From ed8c6edfe2cffbfd665dce42b92053769263aa93 Mon Sep 17 00:00:00 2001
From: Anton Romanov <romanov73@gmail.com>
Date: Wed, 24 Mar 2021 15:22:53 +0400
Subject: [PATCH 01/15] #10 - add table

---
 build.gradle                                  |  1 +
 .../extractor/mvc/GitExtractorController.java | 58 ++++++++++++++++---
 .../extractor/service/CommitService.java      | 40 +++++++++++++
 src/main/resources/templates/filtering.html   | 36 +++++++-----
 src/main/resources/templates/newRepo.html     |  2 -
 5 files changed, 111 insertions(+), 26 deletions(-)
 create mode 100644 src/main/java/ru/ulstu/extractor/service/CommitService.java

diff --git a/build.gradle b/build.gradle
index 4cd6c5e..0d2a506 100644
--- a/build.gradle
+++ b/build.gradle
@@ -48,6 +48,7 @@ dependencies {
     compile group: 'org.springframework.boot', name: 'spring-boot-starter-jetty'
     compile group: 'org.springframework.boot', name: 'spring-boot-starter-thymeleaf'
     compile group: 'nz.net.ultraq.thymeleaf', name: 'thymeleaf-layout-dialect'
+    compile group: 'org.springframework.data', name: 'spring-data-commons'
     compile group: 'com.fasterxml.jackson.module', name: 'jackson-module-afterburner'
     compile group: 'com.fasterxml.jackson.datatype', name: 'jackson-datatype-hibernate5'
     compile group: 'org.springframework.boot', name: 'spring-boot-starter-jdbc'
diff --git a/src/main/java/ru/ulstu/extractor/mvc/GitExtractorController.java b/src/main/java/ru/ulstu/extractor/mvc/GitExtractorController.java
index 676e7f2..77b4c1f 100644
--- a/src/main/java/ru/ulstu/extractor/mvc/GitExtractorController.java
+++ b/src/main/java/ru/ulstu/extractor/mvc/GitExtractorController.java
@@ -1,5 +1,8 @@
 package ru.ulstu.extractor.mvc;
 
+import org.eclipse.jgit.api.errors.GitAPIException;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.PageRequest;
 import org.springframework.stereotype.Controller;
 import org.springframework.ui.Model;
 import org.springframework.web.bind.annotation.GetMapping;
@@ -7,23 +10,34 @@ import org.springframework.web.bind.annotation.ModelAttribute;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestMethod;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.servlet.mvc.support.RedirectAttributes;
 import ru.ulstu.extractor.model.Branch;
+import ru.ulstu.extractor.model.Commit;
 import ru.ulstu.extractor.mvc.model.FilterForm;
 import ru.ulstu.extractor.mvc.model.RepoForm;
+import ru.ulstu.extractor.service.CommitService;
 import ru.ulstu.extractor.service.FilteringService;
 import ru.ulstu.extractor.service.GitRepositoryService;
 
+import java.io.IOException;
 import java.util.List;
+import java.util.Optional;
+import java.util.stream.Collectors;
+import java.util.stream.IntStream;
 
 @Controller
 public class GitExtractorController {
     private final FilteringService filteringService;
     private final GitRepositoryService gitRepositoryService;
+    private final CommitService commitService;
 
     public GitExtractorController(FilteringService filteringService,
-                                  GitRepositoryService gitRepositoryService) {
+                                  GitRepositoryService gitRepositoryService,
+                                  CommitService commitService) {
         this.filteringService = filteringService;
         this.gitRepositoryService = gitRepositoryService;
+        this.commitService = commitService;
     }
 
     @GetMapping("/newRepo")
@@ -32,14 +46,16 @@ public class GitExtractorController {
         return "newRepo";
     }
 
-    @GetMapping("/filtering")
-    public String filter(Model model) {
-        model.addAttribute("filterForm", new FilterForm());
-        return "filtering";
-    }
+//    @GetMapping("/filtering")
+//    public String filter(Model model) {
+//        model.addAttribute("filterForm", new FilterForm());
+//        return "filtering";
+//    }
 
     @PostMapping("/sendFilter")
-    public String sendFilter(@ModelAttribute FilterForm filterForm, Model model) {
+    public String sendFilter(@ModelAttribute FilterForm filterForm, Model model) throws GitAPIException, IOException {
+        List<Commit> list = gitRepositoryService.getCommits(filterForm.getUrl());
+        model.addAttribute("commits", list);
         if (filterForm.getFilter() == null || filterForm.getFilter().isEmpty()) {
             model.addAttribute("error", "'Строка' не должно быть пустым");
             return "filtering";
@@ -61,12 +77,36 @@ public class GitExtractorController {
     }
 
     @RequestMapping(value = "/newRepo", method = RequestMethod.POST, params = "next")
-    public String setBranch(@ModelAttribute RepoForm repoForm, Model model) {
+    public String setBranch(@ModelAttribute RepoForm repoForm, Model model, RedirectAttributes redirectAttributes) {
         model.addAttribute("filterForm", new FilterForm(repoForm.getRepo()));
         if (repoForm.getBranch() == null) {
             return "newRepo";
         } else {
-            return "filtering";
+            redirectAttributes.addAttribute("url", repoForm.getRepo());
+            redirectAttributes.addAttribute("branch", repoForm.getBranch());
+            return "redirect:/filtering";
         }
     }
+
+    @RequestMapping(value = "/filtering", method = RequestMethod.GET)
+    public String listCommits(
+            Model model,
+            @ModelAttribute FilterForm filterForm,
+            @RequestParam("page") Optional<Integer> page,
+            @RequestParam("size") Optional<Integer> size,
+            @RequestParam String url,
+            @RequestParam String branch) throws GitAPIException, IOException {
+        int currentPage = page.orElse(1);
+        int pageSize = size.orElse(5);
+        Page<Commit> commitPage = commitService.findPaginated(PageRequest.of(currentPage - 1, pageSize), url);
+        model.addAttribute("commitPage", commitPage);
+        int totalPages = commitPage.getTotalPages();
+        if (totalPages > 0) {
+            List<Integer> pageNumbers = IntStream.rangeClosed(1, totalPages)
+                    .boxed()
+                    .collect(Collectors.toList());
+            model.addAttribute("pageNumbers", pageNumbers);
+        }
+        return "filtering";
+    }
 }
diff --git a/src/main/java/ru/ulstu/extractor/service/CommitService.java b/src/main/java/ru/ulstu/extractor/service/CommitService.java
new file mode 100644
index 0000000..4f7b143
--- /dev/null
+++ b/src/main/java/ru/ulstu/extractor/service/CommitService.java
@@ -0,0 +1,40 @@
+package ru.ulstu.extractor.service;
+
+import org.eclipse.jgit.api.errors.GitAPIException;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.PageImpl;
+import org.springframework.data.domain.PageRequest;
+import org.springframework.data.domain.Pageable;
+import org.springframework.stereotype.Service;
+import ru.ulstu.extractor.model.Commit;
+
+import java.io.IOException;
+import java.util.Collections;
+import java.util.List;
+
+@Service
+public class CommitService {
+    private final GitRepositoryService gitRepositoryService;
+
+    public CommitService(GitRepositoryService gitRepositoryService) {
+        this.gitRepositoryService = gitRepositoryService;
+    }
+
+    public Page<Commit> findPaginated(Pageable pageable, String url) throws GitAPIException, IOException {
+        int pageSize = pageable.getPageSize();
+        int currentPage = pageable.getPageNumber();
+        int startItem = currentPage * pageSize;
+        List<Commit> commits = gitRepositoryService.getCommits(url);
+        ;
+
+        if (commits.size() < startItem) {
+            commits = Collections.emptyList();
+        } else {
+            int toIndex = Math.min(startItem + pageSize, commits.size());
+            commits = commits.subList(startItem, toIndex);
+        }
+        return new PageImpl<>(commits, PageRequest.of(currentPage, pageSize), commits.size());
+    }
+}
+
+
diff --git a/src/main/resources/templates/filtering.html b/src/main/resources/templates/filtering.html
index 0899636..88676d5 100644
--- a/src/main/resources/templates/filtering.html
+++ b/src/main/resources/templates/filtering.html
@@ -7,7 +7,6 @@
     <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
 </head>
 <div class="container" layout:fragment="content">
-    <body>
     <form action="#" th:action="@{/sendFilter}" th:object="${filterForm}" method="post">
         <p><b>Фильтровать данные:</b><Br></p>
         По автору
@@ -30,23 +29,30 @@
             <input type="hidden" th:field="*{url}">
         </p>
         <p style="color:red" th:text="${error}"></p>
-        <!--        <table>-->
-        <!--            <tr>-->
-        <!--                <th>Author</th>-->
-        <!--                <th>Date</th>-->
-        <!--                <th>Commit</th>-->
-        <!--            </tr>-->
-        <!--            <tr th:each="commit : ${commits}">-->
-        <!--                <td th:text="${commit.author}">Onions</td>-->
-        <!--                <td th:text="${commit.date}">2.41</td>-->
-        <!--                <td th:text="${commit.message}">yes</td>-->
-        <!--            </tr>-->
-        <!--        </table>-->
+        <table border="1">
+            <thead>
+            <tr>
+                <th>Author</th>
+                <th>Date</th>
+                <th>Commit</th>
+            </tr>
+            </thead>
+            <tbody>
+            <tr th:each="commit: ${commits}">
+                <td th:text="${commit.author}"></td>
+                <td th:text="${commit.date}"></td>
+                <td th:text="${commit.message}"></td>
+            </tr>
+            </tbody>
+        </table>
         <p>
             <input type="submit" value="Отправить"/>
         </p>
     </form>
-    </body>
-
+</div>
+<div th:if="${commitPage.totalPages > 0}" class="pagination"
+     th:each="pageNumber : ${pageNumbers}">
+    <a th:href="@{/filtering.html(size=${commitPage.size}, page=${pageNumber})}"
+       th:class="${pageNumber==commitPage.number + 1} ? active"></a>
 </div>
 </html>
diff --git a/src/main/resources/templates/newRepo.html b/src/main/resources/templates/newRepo.html
index 39d5457..5406ca6 100644
--- a/src/main/resources/templates/newRepo.html
+++ b/src/main/resources/templates/newRepo.html
@@ -7,7 +7,6 @@
     <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
 </head>
 <div class="container" layout:fragment="content">
-    <body>
     <form action="#" th:action="@{/newRepo}" th:object="${repoForm}" method="post">
         <p style="color:red" th:text="${error}"></p>
         <p><b>Ваш git репозиторий:</b><br>
@@ -28,7 +27,6 @@
             <input type="submit" name="next" value="Продолжить"/>
         </p>
     </form>
-    </body>
 </div>
 <script>
     $('#select-branch').selectpicker('refresh');

From 4d74000c96740e462355adc8b398425b19ea46c6 Mon Sep 17 00:00:00 2001
From: Anton Romanov <romanov73@gmail.com>
Date: Thu, 25 Mar 2021 16:18:00 +0400
Subject: [PATCH 02/15] #10 - change table

---
 .../java/ru/ulstu/extractor/mvc/GitExtractorController.java | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/src/main/java/ru/ulstu/extractor/mvc/GitExtractorController.java b/src/main/java/ru/ulstu/extractor/mvc/GitExtractorController.java
index 77b4c1f..463c468 100644
--- a/src/main/java/ru/ulstu/extractor/mvc/GitExtractorController.java
+++ b/src/main/java/ru/ulstu/extractor/mvc/GitExtractorController.java
@@ -46,12 +46,6 @@ public class GitExtractorController {
         return "newRepo";
     }
 
-//    @GetMapping("/filtering")
-//    public String filter(Model model) {
-//        model.addAttribute("filterForm", new FilterForm());
-//        return "filtering";
-//    }
-
     @PostMapping("/sendFilter")
     public String sendFilter(@ModelAttribute FilterForm filterForm, Model model) throws GitAPIException, IOException {
         List<Commit> list = gitRepositoryService.getCommits(filterForm.getUrl());

From c9385b82a36953bc848ca1828ad1c17693a4e32d Mon Sep 17 00:00:00 2001
From: Anton Romanov <romanov73@gmail.com>
Date: Fri, 26 Mar 2021 17:35:28 +0400
Subject: [PATCH 03/15] #7 - create-changelog

---
 .../db/changelog-20210326_170000-schema.xml   | 73 +++++++++++++++++++
 src/main/resources/db/changelog-master.xml    |  1 +
 2 files changed, 74 insertions(+)
 create mode 100644 src/main/resources/db/changelog-20210326_170000-schema.xml

diff --git a/src/main/resources/db/changelog-20210326_170000-schema.xml b/src/main/resources/db/changelog-20210326_170000-schema.xml
new file mode 100644
index 0000000..08700ab
--- /dev/null
+++ b/src/main/resources/db/changelog-20210326_170000-schema.xml
@@ -0,0 +1,73 @@
+<?xml version="1.1" encoding="UTF-8" standalone="no"?>
+<databaseChangeLog xmlns="http://www.liquibase.org/xml/ns/dbchangelog"
+                   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+                   xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-3.1.xsd">
+    <changeSet author="barmina" id="20210326-170000-1">
+        <createTable tableName="repository">
+            <column name="id" type="integer">
+                <constraints nullable="false"/>
+            </column>
+            <column name="url" type="text"/>
+        </createTable>
+        <addPrimaryKey columnNames="id" constraintName="pk_repository" tableName="repository"/>
+
+        <createTable tableName="branch">
+            <column name="id" type="integer">
+                <constraints nullable="false"/>
+            </column>
+            <column name="name" type="text"/>
+            <column name="repository_id" type="integer"/>
+        </createTable>
+        <addPrimaryKey columnNames="id" constraintName="pk_branch" tableName="branch"/>
+        <addForeignKeyConstraint baseTableName="branch" baseColumnNames="repository_id" constraintName="fk_repository"
+                                 referencedTableName="repository"
+                                 referencedColumnNames="id"/>
+
+        <createTable tableName="author">
+            <column name="id" type="integer">
+                <constraints nullable="false"/>
+            </column>
+            <column name="name" type="text"/>
+        </createTable>
+        <addPrimaryKey columnNames="id" constraintName="pk_author" tableName="author"/>
+
+        <createTable tableName="file_change">
+            <column name="id" type="integer">
+                <constraints nullable="false"/>
+            </column>
+            <column name="file" type="text"/>
+            <column name="commit_id" type="integer"/>
+        </createTable>
+        <addPrimaryKey columnNames="id" constraintName="pk_file_change" tableName="file_change"/>
+        <addForeignKeyConstraint baseTableName="file_change" baseColumnNames="commit_id" constraintName="fk_commit"
+                                 referencedTableName="commit"
+                                 referencedColumnNames="id"/>
+
+        <createTable tableName="line_change">
+            <column name="id" type="integer">
+                <constraints nullable="false"/>
+            </column>
+            <column name="line_from" type="text"/>
+            <column name="line_to" type="text"/>
+            <column name="file_change_id" type="integer"/>
+        </createTable>
+        <addPrimaryKey columnNames="id" constraintName="pk_line_change" tableName="line_change"/>
+        <addForeignKeyConstraint baseTableName="line_change" baseColumnNames="file_change_id"
+                                 constraintName="fk_file_change" referencedTableName="file_change"
+                                 referencedColumnNames="id"/>
+
+        <dropColumn tableName="commit" columnName="author"/>
+        <addColumn tableName="commit">
+            <column name="author_id" type="integer"/>
+        </addColumn>
+        <addColumn tableName="commit">
+            <column name="branch_id" type="integer"/>
+        </addColumn>
+        <addForeignKeyConstraint baseTableName="commit" baseColumnNames="author_id" constraintName="fk_author"
+                                 referencedTableName="author"
+                                 referencedColumnNames="id"/>
+        <addForeignKeyConstraint baseTableName="commit" baseColumnNames="branch_id" constraintName="fk_branch"
+                                 referencedTableName="branch"
+                                 referencedColumnNames="id"/>
+    </changeSet>
+</databaseChangeLog>
\ No newline at end of file
diff --git a/src/main/resources/db/changelog-master.xml b/src/main/resources/db/changelog-master.xml
index b135ee0..90a3c94 100644
--- a/src/main/resources/db/changelog-master.xml
+++ b/src/main/resources/db/changelog-master.xml
@@ -4,4 +4,5 @@
                    xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog
                         http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-3.1.xsd">
     <include file="db/changelog-20210317_140000-schema.xml"/>
+    <include file="db/changelog-20210326_170000-schema.xml"/>
 </databaseChangeLog>

From 5bc65ea8d95eb3e9d135ce7d370e2d661719eee0 Mon Sep 17 00:00:00 2001
From: Anton Romanov <romanov73@gmail.com>
Date: Sat, 27 Mar 2021 10:08:24 +0400
Subject: [PATCH 04/15] #15 -- Fix bootstrap buttons, align inputs

---
 src/main/resources/templates/default.html |  6 +--
 src/main/resources/templates/newRepo.html | 57 +++++++++++++++--------
 2 files changed, 39 insertions(+), 24 deletions(-)

diff --git a/src/main/resources/templates/default.html b/src/main/resources/templates/default.html
index c6c1237..8497859 100644
--- a/src/main/resources/templates/default.html
+++ b/src/main/resources/templates/default.html
@@ -19,14 +19,10 @@
             aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
         <span class="navbar-toggler-icon"></span>
     </button>
-
     <div class="collapse navbar-collapse" id="navbarSupportedContent">
         <ul class="navbar-nav mr-auto">
-            <li class="nav-item active">
-                <a class="nav-link" href="/" th:text="#{messages.menu.home}">Home</a>
-            </li>
             <li class="nav-item">
-                <a class="nav-link" href="#" th:text="#{messages.menu.new-repo}">Link</a>
+                <a class="nav-link" href="/" th:text="#{messages.menu.new-repo}">Link</a>
             </li>
             <li class="nav-item">
                 <a class="nav-link" href="#" th:text="#{messages.menu.indexed-repos}">Link</a>
diff --git a/src/main/resources/templates/newRepo.html b/src/main/resources/templates/newRepo.html
index 5406ca6..8d0e811 100644
--- a/src/main/resources/templates/newRepo.html
+++ b/src/main/resources/templates/newRepo.html
@@ -3,32 +3,51 @@
       xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout"
       layout:decorate="~{default}">
 <head>
-    <title>Простая обработка формы на Spring MVC</title>
+    <title>Индексировать новый репозиторий</title>
     <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
 </head>
 <div class="container" layout:fragment="content">
     <form action="#" th:action="@{/newRepo}" th:object="${repoForm}" method="post">
         <p style="color:red" th:text="${error}"></p>
-        <p><b>Ваш git репозиторий:</b><br>
-            <input type="text" size="40" th:field="*{repo}">
-        </p>
-        <p>
-            <input type="submit" name="send" value="Отправить"/>
-        </p>
-        <p>Ветки:<br>
-            <select id="select-branch" class="selectpicker" data-live-search="true" th:field="*{branch}">
-                <option th:each="branch : ${branches}"
-                        th:value="${branch.name}"
-                        th:utext="${branch.name}"/>
-                </option>
-            </select>
-        </p>
-        <p>
-            <input type="submit" name="next" value="Продолжить"/>
-        </p>
+        <div class="form-group">
+            <label for="repoUrl">Ваш git репозиторий (https url):</label>
+            <div class="row">
+                <div class="col-md-8 col-sm-12">
+                    <input id="repoUrl" type="text" class="form-control" aria-label="Ваш git репозиторий (https url)"
+                           th:field="*{repo}">
+                </div>
+                <div class="col-md-4 col-sm-12">
+                    <input type="submit" class="btn btn-outline-primary  w-100" name="send" value="Индексировать"/>
+                </div>
+            </div>
+        </div>
+        <div class="form-group" th:if="${repoForm.repo != null}">
+            <label for="select-branch">Ветки:</label>
+            <div class="row">
+                <div class="col-md-8 col-sm-12">
+                    <select id="select-branch" class="selectpicker" data-live-search="true" th:field="*{branch}"
+                            data-width="90%">
+                        <option th:each="branch : ${branches}"
+                                th:value="${branch.name}"
+                                th:utext="${branch.name}"/>
+                        </option>
+                    </select>
+                </div>
+                <div class="col-md-4 col-sm-12">
+                    <input type="submit" class="btn btn-outline-success w-100" name="next" value="Продолжить"/>
+                </div>
+            </div>
+        </div>
     </form>
 </div>
-<script>
+<script language="JavaScript">
     $('#select-branch').selectpicker('refresh');
+
+
+
+
+
+
+
 </script>
 </html>

From 11f3b93b9d12086f628a42dceaf528d3439b5a4e Mon Sep 17 00:00:00 2001
From: Anton Romanov <romanov73@gmail.com>
Date: Sat, 27 Mar 2021 11:13:42 +0400
Subject: [PATCH 05/15] #15 -- Fix collapsible

---
 .../ulstu/extractor/mvc/model/RepoForm.java   |  4 +-
 src/main/resources/templates/newRepo.html     | 65 ++++++++++++-------
 2 files changed, 44 insertions(+), 25 deletions(-)

diff --git a/src/main/java/ru/ulstu/extractor/mvc/model/RepoForm.java b/src/main/java/ru/ulstu/extractor/mvc/model/RepoForm.java
index 72b2b11..73a6b8a 100644
--- a/src/main/java/ru/ulstu/extractor/mvc/model/RepoForm.java
+++ b/src/main/java/ru/ulstu/extractor/mvc/model/RepoForm.java
@@ -2,7 +2,6 @@ package ru.ulstu.extractor.mvc.model;
 
 public class RepoForm {
     private String repo;
-
     private String branch;
 
     public String getRepo() {
@@ -24,7 +23,8 @@ public class RepoForm {
     @Override
     public String toString() {
         return "RepoForm{" +
-                "subject='" + repo +
+                "repo='" + repo + '\'' +
+                ", branch='" + branch + '\'' +
                 '}';
     }
 }
diff --git a/src/main/resources/templates/newRepo.html b/src/main/resources/templates/newRepo.html
index 8d0e811..b2a2062 100644
--- a/src/main/resources/templates/newRepo.html
+++ b/src/main/resources/templates/newRepo.html
@@ -9,32 +9,49 @@
 <div class="container" layout:fragment="content">
     <form action="#" th:action="@{/newRepo}" th:object="${repoForm}" method="post">
         <p style="color:red" th:text="${error}"></p>
-        <div class="form-group">
-            <label for="repoUrl">Ваш git репозиторий (https url):</label>
-            <div class="row">
-                <div class="col-md-8 col-sm-12">
-                    <input id="repoUrl" type="text" class="form-control" aria-label="Ваш git репозиторий (https url)"
-                           th:field="*{repo}">
-                </div>
-                <div class="col-md-4 col-sm-12">
-                    <input type="submit" class="btn btn-outline-primary  w-100" name="send" value="Индексировать"/>
+        <button class="btn btn-outline-dark dropdown-toggle" type="button" data-toggle="collapse"
+                data-target="#collapseOne" aria-expanded="false" aria-controls="collapseExample"
+                th:if="${repoForm.repo != null}"
+                th:text="${repoForm.repo == null ? 'Репозиторий' : repoForm.repo}">
+            Button with data-target
+        </button>
+        <div id="collapseOne" th:class="${repoForm.repo == null ? 'collapse show' : 'collapse'}"
+             aria-labelledby="headingOne">
+            <div class="card-body">
+                <div class="form-group">
+                    <label for="repoUrl">Ваш git репозиторий (https url):</label>
+                    <div class="row">
+                        <div class="col-md-8 col-sm-12">
+                            <input id="repoUrl" type="text" class="form-control"
+                                   aria-label="Ваш git репозиторий (https url)"
+                                   th:field="*{repo}">
+                        </div>
+                        <div class="col-md-4 col-sm-12">
+                            <input type="submit" class="btn btn-outline-primary  w-100" name="send"
+                                   value="Индексировать"/>
+                        </div>
+                    </div>
                 </div>
             </div>
         </div>
-        <div class="form-group" th:if="${repoForm.repo != null}">
-            <label for="select-branch">Ветки:</label>
-            <div class="row">
-                <div class="col-md-8 col-sm-12">
-                    <select id="select-branch" class="selectpicker" data-live-search="true" th:field="*{branch}"
-                            data-width="90%">
-                        <option th:each="branch : ${branches}"
-                                th:value="${branch.name}"
-                                th:utext="${branch.name}"/>
-                        </option>
-                    </select>
-                </div>
-                <div class="col-md-4 col-sm-12">
-                    <input type="submit" class="btn btn-outline-success w-100" name="next" value="Продолжить"/>
+        <div id="collapseTwo" class="collapse show" aria-labelledby="headingOne" th:if="${repoForm.repo != null}">
+            <div class="card-body">
+                <div class="form-group">
+                    <label for="select-branch">Ветки:</label>
+                    <div class="row">
+                        <div class="col-md-8 col-sm-12">
+                            <select id="select-branch" class="selectpicker" data-live-search="true" th:field="*{branch}"
+                                    data-width="90%">
+                                <option th:each="branch : ${branches}"
+                                        th:value="${branch.name}"
+                                        th:utext="${branch.name}"/>
+                                </option>
+                            </select>
+                        </div>
+                        <div class="col-md-4 col-sm-12">
+                            <input type="submit" class="btn btn-outline-success w-100" name="next" value="Продолжить"/>
+                        </div>
+                    </div>
                 </div>
             </div>
         </div>
@@ -49,5 +66,7 @@
 
 
 
+
+
 </script>
 </html>

From 4b56058835706a81930ad6f0bfbf0d7ab6a0028b Mon Sep 17 00:00:00 2001
From: Anton Romanov <romanov73@gmail.com>
Date: Sat, 27 Mar 2021 11:58:07 +0400
Subject: [PATCH 06/15] #15 -- Fix filtering table

---
 ...oller.java => GitFilteringController.java} | 39 +------------
 .../extractor/mvc/GitIndexingController.java  | 55 +++++++++++++++++++
 .../extractor/service/CommitService.java      |  1 -
 src/main/resources/templates/filtering.html   | 10 ++--
 4 files changed, 62 insertions(+), 43 deletions(-)
 rename src/main/java/ru/ulstu/extractor/mvc/{GitExtractorController.java => GitFilteringController.java} (64%)
 create mode 100644 src/main/java/ru/ulstu/extractor/mvc/GitIndexingController.java

diff --git a/src/main/java/ru/ulstu/extractor/mvc/GitExtractorController.java b/src/main/java/ru/ulstu/extractor/mvc/GitFilteringController.java
similarity index 64%
rename from src/main/java/ru/ulstu/extractor/mvc/GitExtractorController.java
rename to src/main/java/ru/ulstu/extractor/mvc/GitFilteringController.java
index 463c468..53320f5 100644
--- a/src/main/java/ru/ulstu/extractor/mvc/GitExtractorController.java
+++ b/src/main/java/ru/ulstu/extractor/mvc/GitFilteringController.java
@@ -5,17 +5,13 @@ import org.springframework.data.domain.Page;
 import org.springframework.data.domain.PageRequest;
 import org.springframework.stereotype.Controller;
 import org.springframework.ui.Model;
-import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.ModelAttribute;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestMethod;
 import org.springframework.web.bind.annotation.RequestParam;
-import org.springframework.web.servlet.mvc.support.RedirectAttributes;
-import ru.ulstu.extractor.model.Branch;
 import ru.ulstu.extractor.model.Commit;
 import ru.ulstu.extractor.mvc.model.FilterForm;
-import ru.ulstu.extractor.mvc.model.RepoForm;
 import ru.ulstu.extractor.service.CommitService;
 import ru.ulstu.extractor.service.FilteringService;
 import ru.ulstu.extractor.service.GitRepositoryService;
@@ -27,12 +23,12 @@ import java.util.stream.Collectors;
 import java.util.stream.IntStream;
 
 @Controller
-public class GitExtractorController {
+public class GitFilteringController {
     private final FilteringService filteringService;
     private final GitRepositoryService gitRepositoryService;
     private final CommitService commitService;
 
-    public GitExtractorController(FilteringService filteringService,
+    public GitFilteringController(FilteringService filteringService,
                                   GitRepositoryService gitRepositoryService,
                                   CommitService commitService) {
         this.filteringService = filteringService;
@@ -40,12 +36,6 @@ public class GitExtractorController {
         this.commitService = commitService;
     }
 
-    @GetMapping("/newRepo")
-    public String indexNewRepo(Model model) {
-        model.addAttribute("repoForm", new RepoForm());
-        return "newRepo";
-    }
-
     @PostMapping("/sendFilter")
     public String sendFilter(@ModelAttribute FilterForm filterForm, Model model) throws GitAPIException, IOException {
         List<Commit> list = gitRepositoryService.getCommits(filterForm.getUrl());
@@ -57,31 +47,6 @@ public class GitExtractorController {
         return "resultRepo";
     }
 
-    @RequestMapping(value = "/newRepo", method = RequestMethod.POST, params = "send")
-    public String getBranch(@ModelAttribute RepoForm repoForm, Model model) {
-        try {
-            gitRepositoryService.cloneOrUpdateRepo(repoForm.getRepo());
-            List<Branch> list = gitRepositoryService.getBranches(repoForm.getRepo());
-            model.addAttribute("branches", list);
-            return "newRepo";
-        } catch (Exception ex) {
-            model.addAttribute("error", ex.getMessage());
-            return "newRepo";
-        }
-    }
-
-    @RequestMapping(value = "/newRepo", method = RequestMethod.POST, params = "next")
-    public String setBranch(@ModelAttribute RepoForm repoForm, Model model, RedirectAttributes redirectAttributes) {
-        model.addAttribute("filterForm", new FilterForm(repoForm.getRepo()));
-        if (repoForm.getBranch() == null) {
-            return "newRepo";
-        } else {
-            redirectAttributes.addAttribute("url", repoForm.getRepo());
-            redirectAttributes.addAttribute("branch", repoForm.getBranch());
-            return "redirect:/filtering";
-        }
-    }
-
     @RequestMapping(value = "/filtering", method = RequestMethod.GET)
     public String listCommits(
             Model model,
diff --git a/src/main/java/ru/ulstu/extractor/mvc/GitIndexingController.java b/src/main/java/ru/ulstu/extractor/mvc/GitIndexingController.java
new file mode 100644
index 0000000..bfd61f6
--- /dev/null
+++ b/src/main/java/ru/ulstu/extractor/mvc/GitIndexingController.java
@@ -0,0 +1,55 @@
+package ru.ulstu.extractor.mvc;
+
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.ModelAttribute;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestMethod;
+import org.springframework.web.servlet.mvc.support.RedirectAttributes;
+import ru.ulstu.extractor.model.Branch;
+import ru.ulstu.extractor.mvc.model.FilterForm;
+import ru.ulstu.extractor.mvc.model.RepoForm;
+import ru.ulstu.extractor.service.GitRepositoryService;
+
+import java.util.List;
+
+@Controller
+public class GitIndexingController {
+    private final GitRepositoryService gitRepositoryService;
+
+    public GitIndexingController(GitRepositoryService gitRepositoryService) {
+        this.gitRepositoryService = gitRepositoryService;
+    }
+
+    @GetMapping("/newRepo")
+    public String indexNewRepo(Model model) {
+        model.addAttribute(new RepoForm());
+        return "newRepo";
+    }
+
+    @RequestMapping(value = "/newRepo", method = RequestMethod.POST, params = "send")
+    public String getBranch(@ModelAttribute RepoForm repoForm, Model model) {
+        try {
+            gitRepositoryService.cloneOrUpdateRepo(repoForm.getRepo());
+            List<Branch> branches = gitRepositoryService.getBranches(repoForm.getRepo());
+            model.addAttribute("branches", branches);
+            return "newRepo";
+        } catch (Exception ex) {
+            model.addAttribute("error", ex.getMessage());
+            return "newRepo";
+        }
+    }
+
+    @RequestMapping(value = "/newRepo", method = RequestMethod.POST, params = "next")
+    public String setBranch(@ModelAttribute RepoForm repoForm, Model model, RedirectAttributes redirectAttributes) {
+        model.addAttribute("filterForm", new FilterForm(repoForm.getRepo()));
+        if (repoForm.getBranch() == null) {
+            return "newRepo";
+        } else {
+            redirectAttributes.addAttribute("url", repoForm.getRepo());
+            redirectAttributes.addAttribute("branch", repoForm.getBranch());
+            return "redirect:/filtering";
+        }
+    }
+}
diff --git a/src/main/java/ru/ulstu/extractor/service/CommitService.java b/src/main/java/ru/ulstu/extractor/service/CommitService.java
index 4f7b143..05ec123 100644
--- a/src/main/java/ru/ulstu/extractor/service/CommitService.java
+++ b/src/main/java/ru/ulstu/extractor/service/CommitService.java
@@ -25,7 +25,6 @@ public class CommitService {
         int currentPage = pageable.getPageNumber();
         int startItem = currentPage * pageSize;
         List<Commit> commits = gitRepositoryService.getCommits(url);
-        ;
 
         if (commits.size() < startItem) {
             commits = Collections.emptyList();
diff --git a/src/main/resources/templates/filtering.html b/src/main/resources/templates/filtering.html
index 88676d5..8a8bca1 100644
--- a/src/main/resources/templates/filtering.html
+++ b/src/main/resources/templates/filtering.html
@@ -29,12 +29,12 @@
             <input type="hidden" th:field="*{url}">
         </p>
         <p style="color:red" th:text="${error}"></p>
-        <table border="1">
-            <thead>
+        <table class="table table-striped">
+            <thead class="thead-dark">
             <tr>
-                <th>Author</th>
-                <th>Date</th>
-                <th>Commit</th>
+                <th scope="col">Author</th>
+                <th scope="col" style="width: 30%">Date</th>
+                <th scope="col">Commit</th>
             </tr>
             </thead>
             <tbody>

From 0ab674e36626aacdc09d55876bbfd2a2a5a86c01 Mon Sep 17 00:00:00 2001
From: Anton Romanov <romanov73@gmail.com>
Date: Sat, 27 Mar 2021 11:59:01 +0400
Subject: [PATCH 07/15] #15 -- Fix empty strings

---
 src/main/resources/templates/newRepo.html | 9 ---------
 1 file changed, 9 deletions(-)

diff --git a/src/main/resources/templates/newRepo.html b/src/main/resources/templates/newRepo.html
index b2a2062..8e7a21d 100644
--- a/src/main/resources/templates/newRepo.html
+++ b/src/main/resources/templates/newRepo.html
@@ -59,14 +59,5 @@
 </div>
 <script language="JavaScript">
     $('#select-branch').selectpicker('refresh');
-
-
-
-
-
-
-
-
-
 </script>
 </html>

From 736ee1b3d8f836c217f19f443325cf3850d88500 Mon Sep 17 00:00:00 2001
From: Anton Romanov <romanov73@gmail.com>
Date: Sat, 27 Mar 2021 12:13:07 +0400
Subject: [PATCH 08/15] #15 -- Some classes refactoring

---
 .../{mvc => config}/GlobalDefaultExceptionHandler.java      | 2 +-
 .../ulstu/extractor/{mvc => config}/MvcConfiguration.java   | 2 +-
 .../extractor/{mvc => config}/TemplateConfiguration.java    | 2 +-
 .../{mvc => controller}/GitFilteringController.java         | 4 ++--
 .../{mvc => controller}/GitIndexingController.java          | 6 +++---
 .../extractor/{mvc/model => model/mvc}/FilterForm.java      | 2 +-
 .../ulstu/extractor/{mvc/model => model/mvc}/RepoForm.java  | 2 +-
 .../extractor/{db => repository}/CommitRepository.java      | 2 +-
 8 files changed, 11 insertions(+), 11 deletions(-)
 rename src/main/java/ru/ulstu/extractor/{mvc => config}/GlobalDefaultExceptionHandler.java (96%)
 rename src/main/java/ru/ulstu/extractor/{mvc => config}/MvcConfiguration.java (96%)
 rename src/main/java/ru/ulstu/extractor/{mvc => config}/TemplateConfiguration.java (97%)
 rename src/main/java/ru/ulstu/extractor/{mvc => controller}/GitFilteringController.java (97%)
 rename src/main/java/ru/ulstu/extractor/{mvc => controller}/GitIndexingController.java (93%)
 rename src/main/java/ru/ulstu/extractor/{mvc/model => model/mvc}/FilterForm.java (93%)
 rename src/main/java/ru/ulstu/extractor/{mvc/model => model/mvc}/RepoForm.java (93%)
 rename src/main/java/ru/ulstu/extractor/{db => repository}/CommitRepository.java (97%)

diff --git a/src/main/java/ru/ulstu/extractor/mvc/GlobalDefaultExceptionHandler.java b/src/main/java/ru/ulstu/extractor/config/GlobalDefaultExceptionHandler.java
similarity index 96%
rename from src/main/java/ru/ulstu/extractor/mvc/GlobalDefaultExceptionHandler.java
rename to src/main/java/ru/ulstu/extractor/config/GlobalDefaultExceptionHandler.java
index 7a1ea5b..49f1501 100644
--- a/src/main/java/ru/ulstu/extractor/mvc/GlobalDefaultExceptionHandler.java
+++ b/src/main/java/ru/ulstu/extractor/config/GlobalDefaultExceptionHandler.java
@@ -1,4 +1,4 @@
-package ru.ulstu.extractor.mvc;
+package ru.ulstu.extractor.config;
 
 import org.springframework.http.HttpStatus;
 import org.springframework.web.bind.annotation.ControllerAdvice;
diff --git a/src/main/java/ru/ulstu/extractor/mvc/MvcConfiguration.java b/src/main/java/ru/ulstu/extractor/config/MvcConfiguration.java
similarity index 96%
rename from src/main/java/ru/ulstu/extractor/mvc/MvcConfiguration.java
rename to src/main/java/ru/ulstu/extractor/config/MvcConfiguration.java
index c25a506..2355ca1 100644
--- a/src/main/java/ru/ulstu/extractor/mvc/MvcConfiguration.java
+++ b/src/main/java/ru/ulstu/extractor/config/MvcConfiguration.java
@@ -1,4 +1,4 @@
-package ru.ulstu.extractor.mvc;
+package ru.ulstu.extractor.config;
 
 import org.springframework.context.annotation.Configuration;
 import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
diff --git a/src/main/java/ru/ulstu/extractor/mvc/TemplateConfiguration.java b/src/main/java/ru/ulstu/extractor/config/TemplateConfiguration.java
similarity index 97%
rename from src/main/java/ru/ulstu/extractor/mvc/TemplateConfiguration.java
rename to src/main/java/ru/ulstu/extractor/config/TemplateConfiguration.java
index 7798224..1a638d2 100644
--- a/src/main/java/ru/ulstu/extractor/mvc/TemplateConfiguration.java
+++ b/src/main/java/ru/ulstu/extractor/config/TemplateConfiguration.java
@@ -1,4 +1,4 @@
-package ru.ulstu.extractor.mvc;
+package ru.ulstu.extractor.config;
 
 import nz.net.ultraq.thymeleaf.LayoutDialect;
 import org.springframework.beans.factory.annotation.Value;
diff --git a/src/main/java/ru/ulstu/extractor/mvc/GitFilteringController.java b/src/main/java/ru/ulstu/extractor/controller/GitFilteringController.java
similarity index 97%
rename from src/main/java/ru/ulstu/extractor/mvc/GitFilteringController.java
rename to src/main/java/ru/ulstu/extractor/controller/GitFilteringController.java
index 53320f5..5203c7d 100644
--- a/src/main/java/ru/ulstu/extractor/mvc/GitFilteringController.java
+++ b/src/main/java/ru/ulstu/extractor/controller/GitFilteringController.java
@@ -1,4 +1,4 @@
-package ru.ulstu.extractor.mvc;
+package ru.ulstu.extractor.controller;
 
 import org.eclipse.jgit.api.errors.GitAPIException;
 import org.springframework.data.domain.Page;
@@ -11,7 +11,7 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestMethod;
 import org.springframework.web.bind.annotation.RequestParam;
 import ru.ulstu.extractor.model.Commit;
-import ru.ulstu.extractor.mvc.model.FilterForm;
+import ru.ulstu.extractor.model.mvc.FilterForm;
 import ru.ulstu.extractor.service.CommitService;
 import ru.ulstu.extractor.service.FilteringService;
 import ru.ulstu.extractor.service.GitRepositoryService;
diff --git a/src/main/java/ru/ulstu/extractor/mvc/GitIndexingController.java b/src/main/java/ru/ulstu/extractor/controller/GitIndexingController.java
similarity index 93%
rename from src/main/java/ru/ulstu/extractor/mvc/GitIndexingController.java
rename to src/main/java/ru/ulstu/extractor/controller/GitIndexingController.java
index bfd61f6..964bc4a 100644
--- a/src/main/java/ru/ulstu/extractor/mvc/GitIndexingController.java
+++ b/src/main/java/ru/ulstu/extractor/controller/GitIndexingController.java
@@ -1,4 +1,4 @@
-package ru.ulstu.extractor.mvc;
+package ru.ulstu.extractor.controller;
 
 import org.springframework.stereotype.Controller;
 import org.springframework.ui.Model;
@@ -8,8 +8,8 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestMethod;
 import org.springframework.web.servlet.mvc.support.RedirectAttributes;
 import ru.ulstu.extractor.model.Branch;
-import ru.ulstu.extractor.mvc.model.FilterForm;
-import ru.ulstu.extractor.mvc.model.RepoForm;
+import ru.ulstu.extractor.model.mvc.FilterForm;
+import ru.ulstu.extractor.model.mvc.RepoForm;
 import ru.ulstu.extractor.service.GitRepositoryService;
 
 import java.util.List;
diff --git a/src/main/java/ru/ulstu/extractor/mvc/model/FilterForm.java b/src/main/java/ru/ulstu/extractor/model/mvc/FilterForm.java
similarity index 93%
rename from src/main/java/ru/ulstu/extractor/mvc/model/FilterForm.java
rename to src/main/java/ru/ulstu/extractor/model/mvc/FilterForm.java
index 16e52b8..67f2194 100644
--- a/src/main/java/ru/ulstu/extractor/mvc/model/FilterForm.java
+++ b/src/main/java/ru/ulstu/extractor/model/mvc/FilterForm.java
@@ -1,4 +1,4 @@
-package ru.ulstu.extractor.mvc.model;
+package ru.ulstu.extractor.model.mvc;
 
 public class FilterForm {
     private String filter;
diff --git a/src/main/java/ru/ulstu/extractor/mvc/model/RepoForm.java b/src/main/java/ru/ulstu/extractor/model/mvc/RepoForm.java
similarity index 93%
rename from src/main/java/ru/ulstu/extractor/mvc/model/RepoForm.java
rename to src/main/java/ru/ulstu/extractor/model/mvc/RepoForm.java
index 73a6b8a..e0ca0aa 100644
--- a/src/main/java/ru/ulstu/extractor/mvc/model/RepoForm.java
+++ b/src/main/java/ru/ulstu/extractor/model/mvc/RepoForm.java
@@ -1,4 +1,4 @@
-package ru.ulstu.extractor.mvc.model;
+package ru.ulstu.extractor.model.mvc;
 
 public class RepoForm {
     private String repo;
diff --git a/src/main/java/ru/ulstu/extractor/db/CommitRepository.java b/src/main/java/ru/ulstu/extractor/repository/CommitRepository.java
similarity index 97%
rename from src/main/java/ru/ulstu/extractor/db/CommitRepository.java
rename to src/main/java/ru/ulstu/extractor/repository/CommitRepository.java
index 86a924e..e185761 100644
--- a/src/main/java/ru/ulstu/extractor/db/CommitRepository.java
+++ b/src/main/java/ru/ulstu/extractor/repository/CommitRepository.java
@@ -1,4 +1,4 @@
-package ru.ulstu.extractor.db;
+package ru.ulstu.extractor.repository;
 
 import org.springframework.jdbc.core.JdbcTemplate;
 import org.springframework.jdbc.core.RowMapper;

From 99415a1a22f06d2b329c0c06174fdfc0a36b2f9e Mon Sep 17 00:00:00 2001
From: Anton Romanov <romanov73@gmail.com>
Date: Mon, 29 Mar 2021 11:38:27 +0400
Subject: [PATCH 09/15] #16 -- Add JPA. Create entity classes, repositories and
 database changelogs.

---
 build.gradle                                  |  5 +-
 .../controller/GitFilteringController.java    |  8 +-
 .../controller/GitIndexingController.java     | 12 ++-
 .../extractor/controller/RepoController.java  |  5 +-
 .../java/ru/ulstu/extractor/model/Author.java | 23 +++++
 .../ru/ulstu/extractor/model/BaseEntity.java  | 86 +++++++++++++++++++
 .../java/ru/ulstu/extractor/model/Branch.java | 49 ++++++++++-
 .../java/ru/ulstu/extractor/model/Commit.java | 69 +++++++++++----
 .../ru/ulstu/extractor/model/FileChange.java  | 26 +++++-
 .../ru/ulstu/extractor/model/LineChange.java  | 23 ++++-
 .../ru/ulstu/extractor/model/Repository.java  | 23 +++++
 .../ulstu/extractor/model/mvc/FilterForm.java |  9 ++
 .../repository/BranchRepository.java          | 11 +++
 .../repository/CommitRepository.java          | 39 +--------
 .../repository/RepositoryRepository.java      | 10 +++
 .../extractor/service/CommitService.java      |  4 +-
 .../service/GitRepositoryService.java         | 30 ++++---
 .../ulstu/extractor/service/IndexService.java | 41 +++++++++
 src/main/resources/application.properties     |  3 +
 .../db/changelog-20210329_120000-schema.xml   | 38 ++++++++
 src/main/resources/db/changelog-master.xml    |  1 +
 21 files changed, 437 insertions(+), 78 deletions(-)
 create mode 100644 src/main/java/ru/ulstu/extractor/model/Author.java
 create mode 100644 src/main/java/ru/ulstu/extractor/model/BaseEntity.java
 create mode 100644 src/main/java/ru/ulstu/extractor/model/Repository.java
 create mode 100644 src/main/java/ru/ulstu/extractor/repository/BranchRepository.java
 create mode 100644 src/main/java/ru/ulstu/extractor/repository/RepositoryRepository.java
 create mode 100644 src/main/java/ru/ulstu/extractor/service/IndexService.java
 create mode 100644 src/main/resources/db/changelog-20210329_120000-schema.xml

diff --git a/build.gradle b/build.gradle
index 0d2a506..9ef6c17 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,6 +1,6 @@
 buildscript {
     ext {
-        versionSpringBoot = '2.3.8.RELEASE'
+        versionSpringBoot = '2.3.9.RELEASE'
     }
 
     repositories {
@@ -47,11 +47,10 @@ dependencies {
     compile group: 'org.springframework.boot', name: 'spring-boot-starter-web'
     compile group: 'org.springframework.boot', name: 'spring-boot-starter-jetty'
     compile group: 'org.springframework.boot', name: 'spring-boot-starter-thymeleaf'
+    compile group: 'org.springframework.boot', name: 'spring-boot-starter-data-jpa'
     compile group: 'nz.net.ultraq.thymeleaf', name: 'thymeleaf-layout-dialect'
-    compile group: 'org.springframework.data', name: 'spring-data-commons'
     compile group: 'com.fasterxml.jackson.module', name: 'jackson-module-afterburner'
     compile group: 'com.fasterxml.jackson.datatype', name: 'jackson-datatype-hibernate5'
-    compile group: 'org.springframework.boot', name: 'spring-boot-starter-jdbc'
     compile group: 'org.postgresql', name: 'postgresql', version: '9.4.1212'
     compile group: 'org.liquibase', name: 'liquibase-core', version: '4.3.1'
 
diff --git a/src/main/java/ru/ulstu/extractor/controller/GitFilteringController.java b/src/main/java/ru/ulstu/extractor/controller/GitFilteringController.java
index 5203c7d..f4dcde8 100644
--- a/src/main/java/ru/ulstu/extractor/controller/GitFilteringController.java
+++ b/src/main/java/ru/ulstu/extractor/controller/GitFilteringController.java
@@ -38,7 +38,7 @@ public class GitFilteringController {
 
     @PostMapping("/sendFilter")
     public String sendFilter(@ModelAttribute FilterForm filterForm, Model model) throws GitAPIException, IOException {
-        List<Commit> list = gitRepositoryService.getCommits(filterForm.getUrl());
+        List<Commit> list = gitRepositoryService.getCommits(filterForm.getUrl(), filterForm.getBranch());
         model.addAttribute("commits", list);
         if (filterForm.getFilter() == null || filterForm.getFilter().isEmpty()) {
             model.addAttribute("error", "'Строка' не должно быть пустым");
@@ -53,11 +53,11 @@ public class GitFilteringController {
             @ModelAttribute FilterForm filterForm,
             @RequestParam("page") Optional<Integer> page,
             @RequestParam("size") Optional<Integer> size,
-            @RequestParam String url,
-            @RequestParam String branch) throws GitAPIException, IOException {
+            @RequestParam String repositoryUrl,
+            @RequestParam String branchName) throws GitAPIException, IOException {
         int currentPage = page.orElse(1);
         int pageSize = size.orElse(5);
-        Page<Commit> commitPage = commitService.findPaginated(PageRequest.of(currentPage - 1, pageSize), url);
+        Page<Commit> commitPage = commitService.findPaginated(PageRequest.of(currentPage - 1, pageSize), repositoryUrl, branchName);
         model.addAttribute("commitPage", commitPage);
         int totalPages = commitPage.getTotalPages();
         if (totalPages > 0) {
diff --git a/src/main/java/ru/ulstu/extractor/controller/GitIndexingController.java b/src/main/java/ru/ulstu/extractor/controller/GitIndexingController.java
index 964bc4a..00beb20 100644
--- a/src/main/java/ru/ulstu/extractor/controller/GitIndexingController.java
+++ b/src/main/java/ru/ulstu/extractor/controller/GitIndexingController.java
@@ -11,15 +11,19 @@ import ru.ulstu.extractor.model.Branch;
 import ru.ulstu.extractor.model.mvc.FilterForm;
 import ru.ulstu.extractor.model.mvc.RepoForm;
 import ru.ulstu.extractor.service.GitRepositoryService;
+import ru.ulstu.extractor.service.IndexService;
 
 import java.util.List;
 
 @Controller
 public class GitIndexingController {
     private final GitRepositoryService gitRepositoryService;
+    private final IndexService indexService;
 
-    public GitIndexingController(GitRepositoryService gitRepositoryService) {
+    public GitIndexingController(GitRepositoryService gitRepositoryService,
+                                 IndexService indexService) {
         this.gitRepositoryService = gitRepositoryService;
+        this.indexService = indexService;
     }
 
     @GetMapping("/newRepo")
@@ -47,6 +51,12 @@ public class GitIndexingController {
         if (repoForm.getBranch() == null) {
             return "newRepo";
         } else {
+            try {
+                indexService.index(repoForm.getRepo(), repoForm.getBranch());
+            } catch (Exception ex) {
+                model.addAttribute("error", ex.getMessage());
+                return "newRepo";
+            }
             redirectAttributes.addAttribute("url", repoForm.getRepo());
             redirectAttributes.addAttribute("branch", repoForm.getBranch());
             return "redirect:/filtering";
diff --git a/src/main/java/ru/ulstu/extractor/controller/RepoController.java b/src/main/java/ru/ulstu/extractor/controller/RepoController.java
index 2d30d9a..09ea5d5 100644
--- a/src/main/java/ru/ulstu/extractor/controller/RepoController.java
+++ b/src/main/java/ru/ulstu/extractor/controller/RepoController.java
@@ -29,8 +29,9 @@ public class RepoController {
     }
 
     @GetMapping("commits")
-    public List<Commit> getCommits(@RequestParam("url") String url) throws GitAPIException, IOException {
-        return gitRepositoryService.getCommits(url);
+    public List<Commit> getCommits(@RequestParam("repositoryUrl") String repositoryUrl,
+                                   @RequestParam("branchName") String branchName) throws GitAPIException, IOException {
+        return gitRepositoryService.getCommits(repositoryUrl, branchName);
     }
 
 }
diff --git a/src/main/java/ru/ulstu/extractor/model/Author.java b/src/main/java/ru/ulstu/extractor/model/Author.java
new file mode 100644
index 0000000..2462d5b
--- /dev/null
+++ b/src/main/java/ru/ulstu/extractor/model/Author.java
@@ -0,0 +1,23 @@
+package ru.ulstu.extractor.model;
+
+import javax.persistence.Entity;
+
+@Entity
+public class Author extends BaseEntity {
+    private String name;
+
+    public Author() {
+    }
+
+    public Author(String name) {
+        this.name = name;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+}
diff --git a/src/main/java/ru/ulstu/extractor/model/BaseEntity.java b/src/main/java/ru/ulstu/extractor/model/BaseEntity.java
new file mode 100644
index 0000000..0859807
--- /dev/null
+++ b/src/main/java/ru/ulstu/extractor/model/BaseEntity.java
@@ -0,0 +1,86 @@
+package ru.ulstu.extractor.model;
+
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+import javax.persistence.MappedSuperclass;
+import javax.persistence.Version;
+import java.io.Serializable;
+
+@MappedSuperclass
+public abstract class BaseEntity implements Serializable, Comparable {
+    @Id
+    @GeneratedValue(strategy = GenerationType.TABLE)
+    private Integer id;
+
+    @Version
+    private Integer version;
+
+    public BaseEntity() {
+    }
+
+    public BaseEntity(Integer id, Integer version) {
+        this.id = id;
+        this.version = version;
+    }
+
+    public Integer getId() {
+        return id;
+    }
+
+    public void setId(Integer id) {
+        this.id = id;
+    }
+
+    public Integer getVersion() {
+        return version;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (obj == null) {
+            return false;
+        }
+        if (!getClass().isAssignableFrom(obj.getClass())) {
+            return false;
+        }
+        BaseEntity other = (BaseEntity) obj;
+        if (id == null) {
+            if (other.id != null) {
+                return false;
+            }
+        } else if (!id.equals(other.id)) {
+            return false;
+        }
+        return true;
+    }
+
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        result = prime * result + (id == null ? 0 : id.hashCode());
+        return result;
+    }
+
+    @Override
+    public String toString() {
+        return getClass().getSimpleName() + "{" +
+                "id=" + id +
+                ", version=" + version +
+                '}';
+    }
+
+    @Override
+    public int compareTo(Object o) {
+        return id != null ? id.compareTo(((BaseEntity) o).getId()) : -1;
+    }
+
+    public void reset() {
+        this.id = null;
+        this.version = null;
+    }
+}
diff --git a/src/main/java/ru/ulstu/extractor/model/Branch.java b/src/main/java/ru/ulstu/extractor/model/Branch.java
index 4f751d2..02a6349 100644
--- a/src/main/java/ru/ulstu/extractor/model/Branch.java
+++ b/src/main/java/ru/ulstu/extractor/model/Branch.java
@@ -1,14 +1,61 @@
 package ru.ulstu.extractor.model;
 
-public class Branch {
+import org.hibernate.annotations.Fetch;
+import org.hibernate.annotations.FetchMode;
+
+import javax.persistence.CascadeType;
+import javax.persistence.Entity;
+import javax.persistence.FetchType;
+import javax.persistence.JoinColumn;
+import javax.persistence.ManyToOne;
+import javax.persistence.OneToMany;
+import java.util.List;
+
+@Entity
+public class Branch extends BaseEntity {
     private String name;
 
+    @ManyToOne
+    private Repository repository;
+
+    @OneToMany(cascade = CascadeType.ALL, fetch = FetchType.LAZY)
+    @JoinColumn(name = "branch_id", unique = true)
+    @Fetch(FetchMode.SUBSELECT)
+    private List<Commit> commits;
+
+    public Branch() {
+    }
+
     public Branch(String name) {
         this.name = name;
     }
 
+    public Branch(Repository repository, String branchName) {
+        this.repository = repository;
+        this.name = branchName;
+    }
+
     public String getName() {
         return name;
     }
 
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public Repository getRepository() {
+        return repository;
+    }
+
+    public void setRepository(Repository repository) {
+        this.repository = repository;
+    }
+
+    public List<Commit> getCommits() {
+        return commits;
+    }
+
+    public void setCommits(List<Commit> commits) {
+        this.commits = commits;
+    }
 }
diff --git a/src/main/java/ru/ulstu/extractor/model/Commit.java b/src/main/java/ru/ulstu/extractor/model/Commit.java
index 9e8e6f4..e7d6795 100644
--- a/src/main/java/ru/ulstu/extractor/model/Commit.java
+++ b/src/main/java/ru/ulstu/extractor/model/Commit.java
@@ -1,18 +1,37 @@
 package ru.ulstu.extractor.model;
 
+import org.hibernate.annotations.Fetch;
+import org.hibernate.annotations.FetchMode;
+
+import javax.persistence.CascadeType;
+import javax.persistence.Entity;
+import javax.persistence.FetchType;
+import javax.persistence.JoinColumn;
+import javax.persistence.ManyToOne;
+import javax.persistence.OneToMany;
+import java.util.ArrayList;
 import java.util.Date;
+import java.util.List;
 
-public class Commit {
-    private String message;
+@Entity
+public class Commit extends BaseEntity {
+    private String hash;
     private Date date;
-    private String author;
-    private Changes changes;
+    private String message;
+    @ManyToOne
+    private Author author;
+    @OneToMany(cascade = CascadeType.ALL, fetch = FetchType.LAZY)
+    @JoinColumn(name = "commit_id", unique = true)
+    @Fetch(FetchMode.SUBSELECT)
+    private List<FileChange> fileChanges = new ArrayList<>();
 
-    public Commit(String message, String author, Date date) {
+    public Commit() {
+    }
+
+    public Commit(String message, Author author, Date date) {
         this.message = message;
         this.author = author;
         this.date = date;
-
     }
 
     public String getMessage() {
@@ -23,15 +42,35 @@ public class Commit {
         return date;
     }
 
-    public String getAuthor() {
+    public String getHash() {
+        return hash;
+    }
+
+    public void setHash(String hash) {
+        this.hash = hash;
+    }
+
+    public void setDate(Date date) {
+        this.date = date;
+    }
+
+    public void setMessage(String message) {
+        this.message = message;
+    }
+
+    public void setAuthor(Author author) {
+        this.author = author;
+    }
+
+    public List<FileChange> getFileChanges() {
+        return fileChanges;
+    }
+
+    public void setFileChanges(List<FileChange> fileChanges) {
+        this.fileChanges = fileChanges;
+    }
+
+    public Author getAuthor() {
         return author;
     }
-
-    public Changes getChanges() {
-        return changes;
-    }
-
-    public void setChanges(Changes changes) {
-        this.changes = changes;
-    }
 }
diff --git a/src/main/java/ru/ulstu/extractor/model/FileChange.java b/src/main/java/ru/ulstu/extractor/model/FileChange.java
index fb0ec6b..2493da6 100644
--- a/src/main/java/ru/ulstu/extractor/model/FileChange.java
+++ b/src/main/java/ru/ulstu/extractor/model/FileChange.java
@@ -1,12 +1,28 @@
 package ru.ulstu.extractor.model;
 
+import org.hibernate.annotations.Fetch;
+import org.hibernate.annotations.FetchMode;
+
+import javax.persistence.CascadeType;
+import javax.persistence.Entity;
+import javax.persistence.FetchType;
+import javax.persistence.JoinColumn;
+import javax.persistence.OneToMany;
+import javax.persistence.Transient;
 import java.util.ArrayList;
 import java.util.List;
 
-public class FileChange {
+@Entity
+public class FileChange extends BaseEntity {
     private String file;
+    @Transient
     private boolean removed;
+    @Transient
     private boolean added;
+
+    @OneToMany(cascade = CascadeType.ALL, fetch = FetchType.LAZY)
+    @JoinColumn(name = "file_change_id", unique = true)
+    @Fetch(FetchMode.SUBSELECT)
     private List<LineChange> lineChanges = new ArrayList<>();
 
     public FileChange() {
@@ -47,4 +63,12 @@ public class FileChange {
     public void setLineChanges(List<LineChange> lineChanges) {
         this.lineChanges = lineChanges;
     }
+
+    public boolean isRemoved() {
+        return removed;
+    }
+
+    public boolean isAdded() {
+        return added;
+    }
 }
diff --git a/src/main/java/ru/ulstu/extractor/model/LineChange.java b/src/main/java/ru/ulstu/extractor/model/LineChange.java
index 7f1bab3..7901322 100644
--- a/src/main/java/ru/ulstu/extractor/model/LineChange.java
+++ b/src/main/java/ru/ulstu/extractor/model/LineChange.java
@@ -1,7 +1,13 @@
 package ru.ulstu.extractor.model;
 
-public class LineChange {
+import javax.persistence.Entity;
+import javax.persistence.Transient;
+
+@Entity
+public class LineChange extends BaseEntity {
+    @Transient
     private boolean added;
+    @Transient
     private boolean removed;
     private String lineFrom;
     private String lineTo;
@@ -42,4 +48,19 @@ public class LineChange {
         return lineTo;
     }
 
+    public boolean isAdded() {
+        return added;
+    }
+
+    public void setAdded(boolean added) {
+        this.added = added;
+    }
+
+    public boolean isRemoved() {
+        return removed;
+    }
+
+    public void setRemoved(boolean removed) {
+        this.removed = removed;
+    }
 }
diff --git a/src/main/java/ru/ulstu/extractor/model/Repository.java b/src/main/java/ru/ulstu/extractor/model/Repository.java
new file mode 100644
index 0000000..651bfca
--- /dev/null
+++ b/src/main/java/ru/ulstu/extractor/model/Repository.java
@@ -0,0 +1,23 @@
+package ru.ulstu.extractor.model;
+
+import javax.persistence.Entity;
+
+@Entity
+public class Repository extends BaseEntity {
+    private String url;
+
+    public Repository() {
+    }
+
+    public Repository(String repositoryUrl) {
+        url = repositoryUrl;
+    }
+
+    public String getUrl() {
+        return url;
+    }
+
+    public void setUrl(String url) {
+        this.url = url;
+    }
+}
diff --git a/src/main/java/ru/ulstu/extractor/model/mvc/FilterForm.java b/src/main/java/ru/ulstu/extractor/model/mvc/FilterForm.java
index 67f2194..4946871 100644
--- a/src/main/java/ru/ulstu/extractor/model/mvc/FilterForm.java
+++ b/src/main/java/ru/ulstu/extractor/model/mvc/FilterForm.java
@@ -3,6 +3,7 @@ package ru.ulstu.extractor.model.mvc;
 public class FilterForm {
     private String filter;
     private String url;
+    private String branch;
 
     public FilterForm() {
     }
@@ -27,6 +28,14 @@ public class FilterForm {
         this.url = url;
     }
 
+    public String getBranch() {
+        return branch;
+    }
+
+    public void setBranch(String branch) {
+        this.branch = branch;
+    }
+
     @Override
     public String toString() {
         return "FilterForm{" +
diff --git a/src/main/java/ru/ulstu/extractor/repository/BranchRepository.java b/src/main/java/ru/ulstu/extractor/repository/BranchRepository.java
new file mode 100644
index 0000000..f982d1e
--- /dev/null
+++ b/src/main/java/ru/ulstu/extractor/repository/BranchRepository.java
@@ -0,0 +1,11 @@
+package ru.ulstu.extractor.repository;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import ru.ulstu.extractor.model.Branch;
+import ru.ulstu.extractor.model.Repository;
+
+import java.util.Optional;
+
+public interface BranchRepository extends JpaRepository<Branch, Integer> {
+    Optional<Branch> findByRepositoryAndName(Repository repository, String name);
+}
diff --git a/src/main/java/ru/ulstu/extractor/repository/CommitRepository.java b/src/main/java/ru/ulstu/extractor/repository/CommitRepository.java
index e185761..fd386d4 100644
--- a/src/main/java/ru/ulstu/extractor/repository/CommitRepository.java
+++ b/src/main/java/ru/ulstu/extractor/repository/CommitRepository.java
@@ -1,42 +1,7 @@
 package ru.ulstu.extractor.repository;
 
-import org.springframework.jdbc.core.JdbcTemplate;
-import org.springframework.jdbc.core.RowMapper;
-import org.springframework.stereotype.Repository;
+import org.springframework.data.jpa.repository.JpaRepository;
 import ru.ulstu.extractor.model.Commit;
 
-import java.sql.ResultSet;
-import java.sql.SQLException;
-import java.util.List;
-
-@Repository
-public class CommitRepository {
-    private final static String SQL_SELECT_COMMITS = "SELECT * FROM commit";
-    private final static String SQL_INSERT_COMMITS = "INSERT INTO commit (hash, date, author, message) " +
-            "VALUES (?, ?, ?, ?)";
-    private final JdbcTemplate jdbcTemplate;
-
-    public CommitRepository(JdbcTemplate jdbcTemplate) {
-        this.jdbcTemplate = jdbcTemplate;
-    }
-
-    private static class CommitRowMapper implements RowMapper<Commit> {
-
-        @Override
-        public Commit mapRow(ResultSet rs, int rowNum) throws SQLException {
-            return new Commit(rs.getString("message"),
-                    rs.getString("author"),
-                    rs.getDate("date"));
-        }
-    }
-
-    public List<Commit> getCommits() {
-        return jdbcTemplate.query(SQL_SELECT_COMMITS, new CommitRowMapper());
-    }
-
-    public void saveCommit(Commit commit) {
-        jdbcTemplate.update(SQL_INSERT_COMMITS, "", commit.getDate(),
-                commit.getAuthor(),
-                commit.getMessage());
-    }
+public interface CommitRepository extends JpaRepository<Commit, Integer> {
 }
diff --git a/src/main/java/ru/ulstu/extractor/repository/RepositoryRepository.java b/src/main/java/ru/ulstu/extractor/repository/RepositoryRepository.java
new file mode 100644
index 0000000..cedaa75
--- /dev/null
+++ b/src/main/java/ru/ulstu/extractor/repository/RepositoryRepository.java
@@ -0,0 +1,10 @@
+package ru.ulstu.extractor.repository;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import ru.ulstu.extractor.model.Repository;
+
+import java.util.Optional;
+
+public interface RepositoryRepository extends JpaRepository<Repository, Integer> {
+    Optional<Repository> findByUrl(String url);
+}
diff --git a/src/main/java/ru/ulstu/extractor/service/CommitService.java b/src/main/java/ru/ulstu/extractor/service/CommitService.java
index 05ec123..62073d6 100644
--- a/src/main/java/ru/ulstu/extractor/service/CommitService.java
+++ b/src/main/java/ru/ulstu/extractor/service/CommitService.java
@@ -20,11 +20,11 @@ public class CommitService {
         this.gitRepositoryService = gitRepositoryService;
     }
 
-    public Page<Commit> findPaginated(Pageable pageable, String url) throws GitAPIException, IOException {
+    public Page<Commit> findPaginated(Pageable pageable, String repositoryUrl, String branchName) throws GitAPIException, IOException {
         int pageSize = pageable.getPageSize();
         int currentPage = pageable.getPageNumber();
         int startItem = currentPage * pageSize;
-        List<Commit> commits = gitRepositoryService.getCommits(url);
+        List<Commit> commits = gitRepositoryService.getCommits(repositoryUrl, branchName);
 
         if (commits.size() < startItem) {
             commits = Collections.emptyList();
diff --git a/src/main/java/ru/ulstu/extractor/service/GitRepositoryService.java b/src/main/java/ru/ulstu/extractor/service/GitRepositoryService.java
index 1d20e44..93c9aab 100644
--- a/src/main/java/ru/ulstu/extractor/service/GitRepositoryService.java
+++ b/src/main/java/ru/ulstu/extractor/service/GitRepositoryService.java
@@ -1,16 +1,18 @@
 package ru.ulstu.extractor.service;
 
+import org.eclipse.jgit.api.CreateBranchCommand;
 import org.eclipse.jgit.api.Git;
 import org.eclipse.jgit.api.ListBranchCommand;
 import org.eclipse.jgit.api.errors.GitAPIException;
 import org.eclipse.jgit.diff.DiffFormatter;
 import org.eclipse.jgit.internal.storage.file.FileRepository;
+import org.eclipse.jgit.lib.Ref;
 import org.eclipse.jgit.lib.Repository;
 import org.eclipse.jgit.revwalk.RevCommit;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Service;
+import ru.ulstu.extractor.model.Author;
 import ru.ulstu.extractor.model.Branch;
-import ru.ulstu.extractor.model.Changes;
 import ru.ulstu.extractor.model.Commit;
 import ru.ulstu.extractor.model.FileChange;
 import ru.ulstu.extractor.model.LineChange;
@@ -68,13 +70,19 @@ public class GitRepositoryService {
         return file.exists();
     }
 
-    public List<Commit> getCommits(String url) throws GitAPIException, IOException {
-        cloneOrUpdateRepo(url);
-        Repository localRepo = new FileRepository(getProjectGitDirectory(url));
+    public List<Commit> getCommits(String repositoryUrl, String branchName) throws GitAPIException, IOException {
+        cloneOrUpdateRepo(repositoryUrl);
+        Repository localRepo = new FileRepository(getProjectGitDirectory(repositoryUrl));
         Git git = new Git(localRepo);
         git.pull().call();
+        Ref ref = git.checkout().
+                setCreateBranch(true).
+                setName(branchName).
+                setUpstreamMode(CreateBranchCommand.SetupUpstreamMode.TRACK).
+                setStartPoint("origin/" + branchName).
+                call();
+
         List<RevCommit> commits = new ArrayList<>();
-        //TODO: сделать преобразование в коллекцию "наших объектов"
         git.log().call().forEach(commits::add);
 
         List<Commit> list = new ArrayList<>();
@@ -82,10 +90,10 @@ public class GitRepositoryService {
         for (RevCommit revCommit : commits) {
             Commit commit = new Commit(
                     revCommit.getFullMessage(),
-                    revCommit.getAuthorIdent().getName(),
+                    new Author(revCommit.getAuthorIdent().getName()),
                     Date.from(Instant.ofEpochSecond(revCommit.getCommitTime())));
             if (prevCommit != null) {
-                commit.setChanges(findDiffBetweenTwoRevisions(revCommit, prevCommit, localRepo));
+                commit.setFileChanges(findDiffBetweenTwoRevisions(revCommit, prevCommit, localRepo));
             }
             list.add(commit);
             prevCommit = revCommit;
@@ -93,7 +101,7 @@ public class GitRepositoryService {
         return list;
     }
 
-    public Changes findDiffBetweenTwoRevisions(RevCommit laterCommit, RevCommit earlierCommit, Repository localRepo) {
+    public List<FileChange> findDiffBetweenTwoRevisions(RevCommit laterCommit, RevCommit earlierCommit, Repository localRepo) {
         if (laterCommit == null || earlierCommit == null) {
             return null;
         }
@@ -109,8 +117,8 @@ public class GitRepositoryService {
         return parseOutputDiff(output);
     }
 
-    private Changes parseOutputDiff(String output) {
-        Changes changes = new Changes();
+    private List<FileChange> parseOutputDiff(String output) {
+        List<FileChange> changes = new ArrayList<>();
         String[] strings = output.split("\n");
         FileChange fileChange = new FileChange();
         int stringsLength = strings.length - 1;
@@ -121,7 +129,7 @@ public class GitRepositoryService {
                     fileChange = new FileChange();
                     fileChange.setFile(maybeFileName.get());
                     /// вытащить другие изменения из коммита
-                    changes.getFileChanges().add(fileChange);
+                    changes.add(fileChange);
                 }
                 LineChange lineChange = new LineChange();
                 if (strings[i].startsWith("-")) {
diff --git a/src/main/java/ru/ulstu/extractor/service/IndexService.java b/src/main/java/ru/ulstu/extractor/service/IndexService.java
new file mode 100644
index 0000000..113a70b
--- /dev/null
+++ b/src/main/java/ru/ulstu/extractor/service/IndexService.java
@@ -0,0 +1,41 @@
+package ru.ulstu.extractor.service;
+
+import com.sun.istack.NotNull;
+import org.eclipse.jgit.api.errors.GitAPIException;
+import org.springframework.stereotype.Service;
+import ru.ulstu.extractor.model.Branch;
+import ru.ulstu.extractor.model.Commit;
+import ru.ulstu.extractor.model.Repository;
+import ru.ulstu.extractor.repository.BranchRepository;
+import ru.ulstu.extractor.repository.CommitRepository;
+import ru.ulstu.extractor.repository.RepositoryRepository;
+
+import java.io.IOException;
+import java.util.List;
+
+@Service
+public class IndexService {
+    private final GitRepositoryService gitRepositoryService;
+    private final RepositoryRepository repositoryRepository;
+    private final BranchRepository branchRepository;
+    private final CommitRepository commitRepository;
+
+    public IndexService(GitRepositoryService gitRepositoryService,
+                        RepositoryRepository repositoryRepository,
+                        BranchRepository branchRepository,
+                        CommitRepository commitRepository) {
+        this.gitRepositoryService = gitRepositoryService;
+        this.repositoryRepository = repositoryRepository;
+        this.branchRepository = branchRepository;
+        this.commitRepository = commitRepository;
+    }
+
+    public void index(@NotNull String repositoryUrl, @NotNull String branchName) throws GitAPIException, IOException {
+        Repository repository = repositoryRepository.findByUrl(repositoryUrl)
+                .orElse(repositoryRepository.save(new Repository(repositoryUrl)));
+        Branch branch = branchRepository.findByRepositoryAndName(repository, branchName)
+                .orElse(branchRepository.save(new Branch(repository, branchName)));
+        List<Commit> commits = gitRepositoryService.getCommits(repositoryUrl, branchName);
+        branch.setCommits(commits);
+    }
+}
diff --git a/src/main/resources/application.properties b/src/main/resources/application.properties
index f061be5..938472e 100644
--- a/src/main/resources/application.properties
+++ b/src/main/resources/application.properties
@@ -11,6 +11,9 @@ spring.datasource.url=jdbc:postgresql://localhost:5432/repo
 spring.datasource.username=postgres
 spring.datasource.password=postgres
 spring.datasource.driverclassName=org.postgresql.Driver
+spring.jpa.hibernate.ddl-auto=validate
+spring.jpa.database-platform=org.hibernate.dialect.PostgreSQLDialect
+spring.jpa.properties.hibernate.temp.use_jdbc_metadata_defaults=false
 # Liquibase Settings
 spring.liquibase.drop-first=false
 spring.liquibase.enabled=true
diff --git a/src/main/resources/db/changelog-20210329_120000-schema.xml b/src/main/resources/db/changelog-20210329_120000-schema.xml
new file mode 100644
index 0000000..78b1cc4
--- /dev/null
+++ b/src/main/resources/db/changelog-20210329_120000-schema.xml
@@ -0,0 +1,38 @@
+<?xml version="1.1" encoding="UTF-8" standalone="no"?>
+<databaseChangeLog xmlns="http://www.liquibase.org/xml/ns/dbchangelog"
+                   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+                   xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-3.1.xsd">
+    <changeSet author="orion" id="20210329-120000-1">
+        <addColumn tableName="repository">
+            <column name="version" type="integer"/>
+        </addColumn>
+        <addColumn tableName="branch">
+            <column name="version" type="integer"/>
+        </addColumn>
+        <addColumn tableName="commit">
+            <column name="version" type="integer"/>
+        </addColumn>
+        <addColumn tableName="author">
+            <column name="version" type="integer"/>
+        </addColumn>
+    </changeSet>
+    <changeSet author="orion" id="20210329-120000-2">
+        <addColumn tableName="file_change">
+            <column name="version" type="integer"/>
+        </addColumn>
+        <addColumn tableName="line_change">
+            <column name="version" type="integer"/>
+        </addColumn>
+    </changeSet>
+    <changeSet author="orion" id="20210329-120000-3" objectQuotingStrategy="QUOTE_ALL_OBJECTS">
+        <createTable tableName="hibernate_sequences">
+            <column name="sequence_name" type="VARCHAR(255)">
+                <constraints nullable="false"/>
+            </column>
+            <column name="sequence_next_hi_value" type="BIGINT"/>
+            <column name="next_val" type="bigint"/>
+        </createTable>
+        <addPrimaryKey columnNames="sequence_name" constraintName="hibernate_sequences_pkey"
+                       tableName="hibernate_sequences"/>
+    </changeSet>
+</databaseChangeLog>
\ No newline at end of file
diff --git a/src/main/resources/db/changelog-master.xml b/src/main/resources/db/changelog-master.xml
index 90a3c94..0ddc390 100644
--- a/src/main/resources/db/changelog-master.xml
+++ b/src/main/resources/db/changelog-master.xml
@@ -5,4 +5,5 @@
                         http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-3.1.xsd">
     <include file="db/changelog-20210317_140000-schema.xml"/>
     <include file="db/changelog-20210326_170000-schema.xml"/>
+    <include file="db/changelog-20210329_120000-schema.xml"/>
 </databaseChangeLog>

From 14a7983f49cb8aaaf0d6f6f08705fbd7094f8880 Mon Sep 17 00:00:00 2001
From: Anton Romanov <romanov73@gmail.com>
Date: Mon, 29 Mar 2021 12:04:52 +0400
Subject: [PATCH 10/15] #16 -- Checkout specific branch

---
 .../java/ru/ulstu/extractor/service/GitRepositoryService.java  | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/main/java/ru/ulstu/extractor/service/GitRepositoryService.java b/src/main/java/ru/ulstu/extractor/service/GitRepositoryService.java
index 93c9aab..e99e700 100644
--- a/src/main/java/ru/ulstu/extractor/service/GitRepositoryService.java
+++ b/src/main/java/ru/ulstu/extractor/service/GitRepositoryService.java
@@ -32,6 +32,7 @@ import static org.apache.logging.log4j.util.Strings.isBlank;
 
 @Service
 public class GitRepositoryService {
+    private static final String BRANCH_PREFIX = "refs/remotes/origin/";
     @Value("${extractor.custom-projects-dir}")
     private String customProjectsDir;
 
@@ -207,7 +208,7 @@ public class GitRepositoryService {
         return git.branchList().setListMode(ListBranchCommand.ListMode.REMOTE)
                 .call()
                 .stream()
-                .map(r -> new Branch(r.getName()))
+                .map(r -> new Branch(r.getName().replace(BRANCH_PREFIX, "")))
                 .collect(Collectors.toList());
     }
 }

From cf9f4ea82b4f4d4f2ff23166614470a349b62d79 Mon Sep 17 00:00:00 2001
From: Anton Romanov <romanov73@gmail.com>
Date: Mon, 29 Mar 2021 14:40:20 +0400
Subject: [PATCH 11/15] #16 -- Save commits to DB

---
 .../controller/GitIndexingController.java      |  4 ++--
 .../java/ru/ulstu/extractor/model/Commit.java  |  5 +++--
 .../extractor/repository/BranchRepository.java |  4 +---
 .../repository/RepositoryRepository.java       |  4 +---
 .../service/GitRepositoryService.java          | 18 ++++++++++--------
 .../ulstu/extractor/service/IndexService.java  | 13 +++++++++----
 6 files changed, 26 insertions(+), 22 deletions(-)

diff --git a/src/main/java/ru/ulstu/extractor/controller/GitIndexingController.java b/src/main/java/ru/ulstu/extractor/controller/GitIndexingController.java
index 00beb20..18ddb48 100644
--- a/src/main/java/ru/ulstu/extractor/controller/GitIndexingController.java
+++ b/src/main/java/ru/ulstu/extractor/controller/GitIndexingController.java
@@ -57,8 +57,8 @@ public class GitIndexingController {
                 model.addAttribute("error", ex.getMessage());
                 return "newRepo";
             }
-            redirectAttributes.addAttribute("url", repoForm.getRepo());
-            redirectAttributes.addAttribute("branch", repoForm.getBranch());
+            redirectAttributes.addAttribute("repositoryUrl", repoForm.getRepo());
+            redirectAttributes.addAttribute("branchName", repoForm.getBranch());
             return "redirect:/filtering";
         }
     }
diff --git a/src/main/java/ru/ulstu/extractor/model/Commit.java b/src/main/java/ru/ulstu/extractor/model/Commit.java
index e7d6795..916f81f 100644
--- a/src/main/java/ru/ulstu/extractor/model/Commit.java
+++ b/src/main/java/ru/ulstu/extractor/model/Commit.java
@@ -18,7 +18,7 @@ public class Commit extends BaseEntity {
     private String hash;
     private Date date;
     private String message;
-    @ManyToOne
+    @ManyToOne(cascade = CascadeType.ALL, fetch = FetchType.LAZY)
     private Author author;
     @OneToMany(cascade = CascadeType.ALL, fetch = FetchType.LAZY)
     @JoinColumn(name = "commit_id", unique = true)
@@ -28,10 +28,11 @@ public class Commit extends BaseEntity {
     public Commit() {
     }
 
-    public Commit(String message, Author author, Date date) {
+    public Commit(String message, Author author, Date date, String hash) {
         this.message = message;
         this.author = author;
         this.date = date;
+        this.hash = hash;
     }
 
     public String getMessage() {
diff --git a/src/main/java/ru/ulstu/extractor/repository/BranchRepository.java b/src/main/java/ru/ulstu/extractor/repository/BranchRepository.java
index f982d1e..f893bb6 100644
--- a/src/main/java/ru/ulstu/extractor/repository/BranchRepository.java
+++ b/src/main/java/ru/ulstu/extractor/repository/BranchRepository.java
@@ -4,8 +4,6 @@ import org.springframework.data.jpa.repository.JpaRepository;
 import ru.ulstu.extractor.model.Branch;
 import ru.ulstu.extractor.model.Repository;
 
-import java.util.Optional;
-
 public interface BranchRepository extends JpaRepository<Branch, Integer> {
-    Optional<Branch> findByRepositoryAndName(Repository repository, String name);
+    Branch findByRepositoryAndName(Repository repository, String name);
 }
diff --git a/src/main/java/ru/ulstu/extractor/repository/RepositoryRepository.java b/src/main/java/ru/ulstu/extractor/repository/RepositoryRepository.java
index cedaa75..21263f4 100644
--- a/src/main/java/ru/ulstu/extractor/repository/RepositoryRepository.java
+++ b/src/main/java/ru/ulstu/extractor/repository/RepositoryRepository.java
@@ -3,8 +3,6 @@ package ru.ulstu.extractor.repository;
 import org.springframework.data.jpa.repository.JpaRepository;
 import ru.ulstu.extractor.model.Repository;
 
-import java.util.Optional;
-
 public interface RepositoryRepository extends JpaRepository<Repository, Integer> {
-    Optional<Repository> findByUrl(String url);
+    Repository findByUrl(String url);
 }
diff --git a/src/main/java/ru/ulstu/extractor/service/GitRepositoryService.java b/src/main/java/ru/ulstu/extractor/service/GitRepositoryService.java
index e99e700..ef26349 100644
--- a/src/main/java/ru/ulstu/extractor/service/GitRepositoryService.java
+++ b/src/main/java/ru/ulstu/extractor/service/GitRepositoryService.java
@@ -76,13 +76,14 @@ public class GitRepositoryService {
         Repository localRepo = new FileRepository(getProjectGitDirectory(repositoryUrl));
         Git git = new Git(localRepo);
         git.pull().call();
-        Ref ref = git.checkout().
-                setCreateBranch(true).
-                setName(branchName).
-                setUpstreamMode(CreateBranchCommand.SetupUpstreamMode.TRACK).
-                setStartPoint("origin/" + branchName).
-                call();
-
+        if (!localRepo.getBranch().equals(branchName)) {
+            Ref ref = git.checkout().
+                    setCreateBranch(true).
+                    setName(branchName).
+                    setUpstreamMode(CreateBranchCommand.SetupUpstreamMode.TRACK).
+                    setStartPoint("origin/" + branchName).
+                    call();
+        }
         List<RevCommit> commits = new ArrayList<>();
         git.log().call().forEach(commits::add);
 
@@ -92,7 +93,8 @@ public class GitRepositoryService {
             Commit commit = new Commit(
                     revCommit.getFullMessage(),
                     new Author(revCommit.getAuthorIdent().getName()),
-                    Date.from(Instant.ofEpochSecond(revCommit.getCommitTime())));
+                    Date.from(Instant.ofEpochSecond(revCommit.getCommitTime())),
+                    revCommit.getName());
             if (prevCommit != null) {
                 commit.setFileChanges(findDiffBetweenTwoRevisions(revCommit, prevCommit, localRepo));
             }
diff --git a/src/main/java/ru/ulstu/extractor/service/IndexService.java b/src/main/java/ru/ulstu/extractor/service/IndexService.java
index 113a70b..413685f 100644
--- a/src/main/java/ru/ulstu/extractor/service/IndexService.java
+++ b/src/main/java/ru/ulstu/extractor/service/IndexService.java
@@ -31,11 +31,16 @@ public class IndexService {
     }
 
     public void index(@NotNull String repositoryUrl, @NotNull String branchName) throws GitAPIException, IOException {
-        Repository repository = repositoryRepository.findByUrl(repositoryUrl)
-                .orElse(repositoryRepository.save(new Repository(repositoryUrl)));
-        Branch branch = branchRepository.findByRepositoryAndName(repository, branchName)
-                .orElse(branchRepository.save(new Branch(repository, branchName)));
+        Repository repository = repositoryRepository.findByUrl(repositoryUrl);
+        if (repository == null) {
+            repositoryRepository.save(new Repository(repositoryUrl));
+        }
+        Branch branch = branchRepository.findByRepositoryAndName(repository, branchName);
+        if (branch == null) {
+            branchRepository.save(new Branch(repository, branchName));
+        }
         List<Commit> commits = gitRepositoryService.getCommits(repositoryUrl, branchName);
         branch.setCommits(commits);
+        branchRepository.save(branch);
     }
 }

From c89a27d49541ab0d5ac218b278b0da59dad6f318 Mon Sep 17 00:00:00 2001
From: Anton Romanov <romanov73@gmail.com>
Date: Mon, 29 Mar 2021 15:38:54 +0400
Subject: [PATCH 12/15] #16 -- Show commits page

---
 build.gradle                                  |  1 +
 .../controller/GitFilteringController.java    | 34 ++++---
 .../java/ru/ulstu/extractor/model/Commit.java | 10 ++
 .../model/OffsetablePageRequest.java          | 93 +++++++++++++++++++
 .../ulstu/extractor/model/mvc/FilterForm.java | 12 +++
 .../repository/AuthorRepository.java          | 14 +++
 .../repository/CommitRepository.java          |  7 ++
 .../extractor/service/FilteringService.java   | 25 +----
 .../service/GitRepositoryService.java         |  4 +
 .../ulstu/extractor/service/IndexService.java | 19 +++-
 src/main/resources/templates/filtering.html   |  6 +-
 11 files changed, 181 insertions(+), 44 deletions(-)
 create mode 100644 src/main/java/ru/ulstu/extractor/model/OffsetablePageRequest.java
 create mode 100644 src/main/java/ru/ulstu/extractor/repository/AuthorRepository.java

diff --git a/build.gradle b/build.gradle
index 9ef6c17..c356675 100644
--- a/build.gradle
+++ b/build.gradle
@@ -53,6 +53,7 @@ dependencies {
     compile group: 'com.fasterxml.jackson.datatype', name: 'jackson-datatype-hibernate5'
     compile group: 'org.postgresql', name: 'postgresql', version: '9.4.1212'
     compile group: 'org.liquibase', name: 'liquibase-core', version: '4.3.1'
+    implementation group: 'commons-io', name: 'commons-io', version: '2.6'
 
     compile group: 'io.springfox', name: 'springfox-boot-starter', version: '3.0.0'
 
diff --git a/src/main/java/ru/ulstu/extractor/controller/GitFilteringController.java b/src/main/java/ru/ulstu/extractor/controller/GitFilteringController.java
index f4dcde8..85ef6aa 100644
--- a/src/main/java/ru/ulstu/extractor/controller/GitFilteringController.java
+++ b/src/main/java/ru/ulstu/extractor/controller/GitFilteringController.java
@@ -1,22 +1,18 @@
 package ru.ulstu.extractor.controller;
 
-import org.eclipse.jgit.api.errors.GitAPIException;
 import org.springframework.data.domain.Page;
-import org.springframework.data.domain.PageRequest;
 import org.springframework.stereotype.Controller;
 import org.springframework.ui.Model;
 import org.springframework.web.bind.annotation.ModelAttribute;
-import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestMethod;
 import org.springframework.web.bind.annotation.RequestParam;
 import ru.ulstu.extractor.model.Commit;
+import ru.ulstu.extractor.model.OffsetablePageRequest;
 import ru.ulstu.extractor.model.mvc.FilterForm;
-import ru.ulstu.extractor.service.CommitService;
 import ru.ulstu.extractor.service.FilteringService;
-import ru.ulstu.extractor.service.GitRepositoryService;
+import ru.ulstu.extractor.service.IndexService;
 
-import java.io.IOException;
 import java.util.List;
 import java.util.Optional;
 import java.util.stream.Collectors;
@@ -25,18 +21,15 @@ import java.util.stream.IntStream;
 @Controller
 public class GitFilteringController {
     private final FilteringService filteringService;
-    private final GitRepositoryService gitRepositoryService;
-    private final CommitService commitService;
+    private final IndexService indexService;
 
     public GitFilteringController(FilteringService filteringService,
-                                  GitRepositoryService gitRepositoryService,
-                                  CommitService commitService) {
+                                  IndexService indexService) {
         this.filteringService = filteringService;
-        this.gitRepositoryService = gitRepositoryService;
-        this.commitService = commitService;
+        this.indexService = indexService;
     }
 
-    @PostMapping("/sendFilter")
+   /* @PostMapping("/sendFilter")
     public String sendFilter(@ModelAttribute FilterForm filterForm, Model model) throws GitAPIException, IOException {
         List<Commit> list = gitRepositoryService.getCommits(filterForm.getUrl(), filterForm.getBranch());
         model.addAttribute("commits", list);
@@ -45,7 +38,7 @@ public class GitFilteringController {
             return "filtering";
         }
         return "resultRepo";
-    }
+    }*/
 
     @RequestMapping(value = "/filtering", method = RequestMethod.GET)
     public String listCommits(
@@ -54,18 +47,23 @@ public class GitFilteringController {
             @RequestParam("page") Optional<Integer> page,
             @RequestParam("size") Optional<Integer> size,
             @RequestParam String repositoryUrl,
-            @RequestParam String branchName) throws GitAPIException, IOException {
+            @RequestParam String branchName) {
         int currentPage = page.orElse(1);
         int pageSize = size.orElse(5);
-        Page<Commit> commitPage = commitService.findPaginated(PageRequest.of(currentPage - 1, pageSize), repositoryUrl, branchName);
-        model.addAttribute("commitPage", commitPage);
-        int totalPages = commitPage.getTotalPages();
+
+        Page<Commit> commitsPage = indexService.getCommits(repositoryUrl, branchName, new OffsetablePageRequest(currentPage, pageSize));
+        int totalPages = commitsPage.getTotalPages();
         if (totalPages > 0) {
             List<Integer> pageNumbers = IntStream.rangeClosed(1, totalPages)
                     .boxed()
                     .collect(Collectors.toList());
             model.addAttribute("pageNumbers", pageNumbers);
         }
+        filterForm = new FilterForm();
+        filterForm.setCommitsPage(commitsPage);
+        filterForm.setBranch(branchName);
+        filterForm.setUrl(repositoryUrl);
+        model.addAttribute("filterForm", filterForm);
         return "filtering";
     }
 }
diff --git a/src/main/java/ru/ulstu/extractor/model/Commit.java b/src/main/java/ru/ulstu/extractor/model/Commit.java
index 916f81f..1bbe22f 100644
--- a/src/main/java/ru/ulstu/extractor/model/Commit.java
+++ b/src/main/java/ru/ulstu/extractor/model/Commit.java
@@ -24,6 +24,8 @@ public class Commit extends BaseEntity {
     @JoinColumn(name = "commit_id", unique = true)
     @Fetch(FetchMode.SUBSELECT)
     private List<FileChange> fileChanges = new ArrayList<>();
+    @ManyToOne(cascade = CascadeType.ALL, fetch = FetchType.LAZY)
+    private Branch branch;
 
     public Commit() {
     }
@@ -74,4 +76,12 @@ public class Commit extends BaseEntity {
     public Author getAuthor() {
         return author;
     }
+
+    public Branch getBranch() {
+        return branch;
+    }
+
+    public void setBranch(Branch branch) {
+        this.branch = branch;
+    }
 }
diff --git a/src/main/java/ru/ulstu/extractor/model/OffsetablePageRequest.java b/src/main/java/ru/ulstu/extractor/model/OffsetablePageRequest.java
new file mode 100644
index 0000000..e96673b
--- /dev/null
+++ b/src/main/java/ru/ulstu/extractor/model/OffsetablePageRequest.java
@@ -0,0 +1,93 @@
+package ru.ulstu.extractor.model;
+
+import org.springframework.data.domain.Pageable;
+import org.springframework.data.domain.Sort;
+
+import java.io.Serializable;
+
+public class OffsetablePageRequest implements Pageable, Serializable {
+    private final int offset;
+    private final int count;
+    private final Sort sort;
+
+    public OffsetablePageRequest(int page, long pageSize) {
+        this(pageSize * page, pageSize, Sort.by("id"));
+    }
+
+    public OffsetablePageRequest(long offset, long count, Sort sort) {
+        if (offset < 0) {
+            throw new IllegalArgumentException("Offset value must not be less than zero!");
+        }
+        if (count < 1) {
+            throw new IllegalArgumentException("Count value must not be less than one!");
+        }
+        this.offset = (int) offset;
+        this.count = (int) count;
+        this.sort = sort;
+    }
+
+    @Override
+    public Sort getSort() {
+        return sort;
+    }
+
+    @Override
+    public int getPageSize() {
+        return count;
+    }
+
+    @Override
+    public int getPageNumber() {
+        return offset / count;
+    }
+
+    @Override
+    public long getOffset() {
+        return offset;
+    }
+
+    @Override
+    public boolean hasPrevious() {
+        return offset > 0;
+    }
+
+    @Override
+    public Pageable next() {
+        return new OffsetablePageRequest(getOffset() + getPageSize(), getPageSize(), getSort());
+    }
+
+    @Override
+    public Pageable previousOrFirst() {
+        return hasPrevious() ? previous() : first();
+    }
+
+    public Pageable previous() {
+        return getOffset() == 0 ? this : new OffsetablePageRequest(getOffset() - getPageSize(), getPageSize(), getSort());
+    }
+
+    @Override
+    public Pageable first() {
+        return new OffsetablePageRequest(0, getPageSize(), getSort());
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (obj == null || getClass() != obj.getClass()) {
+            return false;
+        }
+        final OffsetablePageRequest other = (OffsetablePageRequest) obj;
+        return this.offset == other.offset && this.count == other.count;
+    }
+
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        result = prime * result + offset;
+        result = prime * result + count;
+        return result;
+    }
+}
diff --git a/src/main/java/ru/ulstu/extractor/model/mvc/FilterForm.java b/src/main/java/ru/ulstu/extractor/model/mvc/FilterForm.java
index 4946871..6180b13 100644
--- a/src/main/java/ru/ulstu/extractor/model/mvc/FilterForm.java
+++ b/src/main/java/ru/ulstu/extractor/model/mvc/FilterForm.java
@@ -1,9 +1,13 @@
 package ru.ulstu.extractor.model.mvc;
 
+import org.springframework.data.domain.Page;
+import ru.ulstu.extractor.model.Commit;
+
 public class FilterForm {
     private String filter;
     private String url;
     private String branch;
+    private Page<Commit> commitsPage;
 
     public FilterForm() {
     }
@@ -36,6 +40,14 @@ public class FilterForm {
         this.branch = branch;
     }
 
+    public Page<Commit> getCommitsPage() {
+        return commitsPage;
+    }
+
+    public void setCommitsPage(Page<Commit> commitsPage) {
+        this.commitsPage = commitsPage;
+    }
+
     @Override
     public String toString() {
         return "FilterForm{" +
diff --git a/src/main/java/ru/ulstu/extractor/repository/AuthorRepository.java b/src/main/java/ru/ulstu/extractor/repository/AuthorRepository.java
new file mode 100644
index 0000000..504aaf2
--- /dev/null
+++ b/src/main/java/ru/ulstu/extractor/repository/AuthorRepository.java
@@ -0,0 +1,14 @@
+package ru.ulstu.extractor.repository;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.data.repository.query.Param;
+import ru.ulstu.extractor.model.Author;
+import ru.ulstu.extractor.model.Repository;
+
+import java.util.List;
+
+public interface AuthorRepository extends JpaRepository<Author, Integer> {
+    @Query("SELECT a FROM Commit c, Repository r, Branch b, Author a WHERE c.author = a AND c.branch = b AND r = b.repository AND r = :repository AND b.name = :branchName")
+    List<Author> findByRepositoryAndBranch(@Param("repository") Repository repository, @Param("branchName") String branchName);
+}
diff --git a/src/main/java/ru/ulstu/extractor/repository/CommitRepository.java b/src/main/java/ru/ulstu/extractor/repository/CommitRepository.java
index fd386d4..3c32439 100644
--- a/src/main/java/ru/ulstu/extractor/repository/CommitRepository.java
+++ b/src/main/java/ru/ulstu/extractor/repository/CommitRepository.java
@@ -1,7 +1,14 @@
 package ru.ulstu.extractor.repository;
 
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.Pageable;
 import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.data.repository.query.Param;
 import ru.ulstu.extractor.model.Commit;
+import ru.ulstu.extractor.model.Repository;
 
 public interface CommitRepository extends JpaRepository<Commit, Integer> {
+    @Query("SELECT c FROM Commit c, Repository r, Branch b WHERE c.branch = b AND r = b.repository AND r = :repository AND b.name = :branchName")
+    Page<Commit> findByRepositoryAndBranch(Pageable pageable, @Param("repository") Repository repository, @Param("branchName") String branchName);
 }
diff --git a/src/main/java/ru/ulstu/extractor/service/FilteringService.java b/src/main/java/ru/ulstu/extractor/service/FilteringService.java
index 254437d..b6b7cf7 100644
--- a/src/main/java/ru/ulstu/extractor/service/FilteringService.java
+++ b/src/main/java/ru/ulstu/extractor/service/FilteringService.java
@@ -1,32 +1,13 @@
 package ru.ulstu.extractor.service;
 
 import org.springframework.stereotype.Service;
-import ru.ulstu.extractor.model.Commit;
-
-import java.util.List;
-import java.util.stream.Collectors;
 
 @Service
 public class FilteringService {
 
-    private final GitRepositoryService gitRepositoryService;
+    private final IndexService indexService;
 
-    public FilteringService(GitRepositoryService gitRepositoryService) {
-        this.gitRepositoryService = gitRepositoryService;
-    }
-
-    public List<Commit> getCommits(String urlRepo) {
-        return getCommits(urlRepo, null);
-    }
-
-    public List<Commit> getCommits(String urlRepo, String filterCommitMessage) {
-        if (filterCommitMessage != null) {
-            return getCommits(urlRepo)
-                    .stream()
-                    .filter(commit -> commit.getMessage().contains(filterCommitMessage))
-                    .collect(Collectors.toList());
-        } else {
-            return getCommits(urlRepo);
-        }
+    public FilteringService(IndexService indexService) {
+        this.indexService = indexService;
     }
 }
diff --git a/src/main/java/ru/ulstu/extractor/service/GitRepositoryService.java b/src/main/java/ru/ulstu/extractor/service/GitRepositoryService.java
index ef26349..63082d0 100644
--- a/src/main/java/ru/ulstu/extractor/service/GitRepositoryService.java
+++ b/src/main/java/ru/ulstu/extractor/service/GitRepositoryService.java
@@ -213,4 +213,8 @@ public class GitRepositoryService {
                 .map(r -> new Branch(r.getName().replace(BRANCH_PREFIX, "")))
                 .collect(Collectors.toList());
     }
+
+    public void remove(String repositoryUrl) throws IOException {
+        //FileUtils.deleteDirectory(getProjectDirectoryFile(repositoryUrl));
+    }
 }
diff --git a/src/main/java/ru/ulstu/extractor/service/IndexService.java b/src/main/java/ru/ulstu/extractor/service/IndexService.java
index 413685f..581921e 100644
--- a/src/main/java/ru/ulstu/extractor/service/IndexService.java
+++ b/src/main/java/ru/ulstu/extractor/service/IndexService.java
@@ -2,10 +2,14 @@ package ru.ulstu.extractor.service;
 
 import com.sun.istack.NotNull;
 import org.eclipse.jgit.api.errors.GitAPIException;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.Pageable;
 import org.springframework.stereotype.Service;
+import ru.ulstu.extractor.model.Author;
 import ru.ulstu.extractor.model.Branch;
 import ru.ulstu.extractor.model.Commit;
 import ru.ulstu.extractor.model.Repository;
+import ru.ulstu.extractor.repository.AuthorRepository;
 import ru.ulstu.extractor.repository.BranchRepository;
 import ru.ulstu.extractor.repository.CommitRepository;
 import ru.ulstu.extractor.repository.RepositoryRepository;
@@ -19,15 +23,19 @@ public class IndexService {
     private final RepositoryRepository repositoryRepository;
     private final BranchRepository branchRepository;
     private final CommitRepository commitRepository;
+    private final AuthorRepository authorRepository;
+
 
     public IndexService(GitRepositoryService gitRepositoryService,
                         RepositoryRepository repositoryRepository,
                         BranchRepository branchRepository,
-                        CommitRepository commitRepository) {
+                        CommitRepository commitRepository,
+                        AuthorRepository authorRepository) {
         this.gitRepositoryService = gitRepositoryService;
         this.repositoryRepository = repositoryRepository;
         this.branchRepository = branchRepository;
         this.commitRepository = commitRepository;
+        this.authorRepository = authorRepository;
     }
 
     public void index(@NotNull String repositoryUrl, @NotNull String branchName) throws GitAPIException, IOException {
@@ -42,5 +50,14 @@ public class IndexService {
         List<Commit> commits = gitRepositoryService.getCommits(repositoryUrl, branchName);
         branch.setCommits(commits);
         branchRepository.save(branch);
+        gitRepositoryService.remove(repositoryUrl);
+    }
+
+    public List<Author> getRepositoryAuthors(@NotNull String repositoryUrl, @NotNull String branchName) {
+        return authorRepository.findByRepositoryAndBranch(repositoryRepository.findByUrl(repositoryUrl), branchName);
+    }
+
+    public Page<Commit> getCommits(@NotNull String repositoryUrl, @NotNull String branchName, Pageable pageable) {
+        return commitRepository.findByRepositoryAndBranch(pageable, repositoryRepository.findByUrl(repositoryUrl), branchName);
     }
 }
diff --git a/src/main/resources/templates/filtering.html b/src/main/resources/templates/filtering.html
index 8a8bca1..365ac17 100644
--- a/src/main/resources/templates/filtering.html
+++ b/src/main/resources/templates/filtering.html
@@ -38,8 +38,8 @@
             </tr>
             </thead>
             <tbody>
-            <tr th:each="commit: ${commits}">
-                <td th:text="${commit.author}"></td>
+            <tr th:each="commit: ${filterForm.commitsPage.content}">
+                <td th:text="${commit.author.name}"></td>
                 <td th:text="${commit.date}"></td>
                 <td th:text="${commit.message}"></td>
             </tr>
@@ -50,7 +50,7 @@
         </p>
     </form>
 </div>
-<div th:if="${commitPage.totalPages > 0}" class="pagination"
+<div th:if="${filterForm.commitPage.totalPages > 0}" class="pagination"
      th:each="pageNumber : ${pageNumbers}">
     <a th:href="@{/filtering.html(size=${commitPage.size}, page=${pageNumber})}"
        th:class="${pageNumber==commitPage.number + 1} ? active"></a>

From 014af08531910d6fdac4bd5ce027e466365740aa Mon Sep 17 00:00:00 2001
From: Anton Romanov <romanov73@gmail.com>
Date: Mon, 29 Mar 2021 17:01:04 +0400
Subject: [PATCH 13/15] #16 -- Remove repo after indexing

---
 .../extractor/service/GitRepositoryService.java    | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/src/main/java/ru/ulstu/extractor/service/GitRepositoryService.java b/src/main/java/ru/ulstu/extractor/service/GitRepositoryService.java
index 63082d0..558b179 100644
--- a/src/main/java/ru/ulstu/extractor/service/GitRepositoryService.java
+++ b/src/main/java/ru/ulstu/extractor/service/GitRepositoryService.java
@@ -1,5 +1,6 @@
 package ru.ulstu.extractor.service;
 
+import org.apache.commons.io.FileUtils;
 import org.eclipse.jgit.api.CreateBranchCommand;
 import org.eclipse.jgit.api.Git;
 import org.eclipse.jgit.api.ListBranchCommand;
@@ -42,14 +43,14 @@ public class GitRepositoryService {
             Repository localRepo = new FileRepository(getProjectGitDirectory(url));
             git = new Git(localRepo);
             git.pull().call();
+            localRepo.close();
         } else {
             git = Git.cloneRepository()
                     .setURI(url)
                     .setDirectory(getProjectDirectoryFile(url))
                     .call();
         }
-        Iterable<RevCommit> commits = git.log().call();
-        //commits.forEach(c -> System.out.println(c.getFullMessage()));
+        git.close();
     }
 
     private String getProjectDirectory(String url) {
@@ -101,6 +102,8 @@ public class GitRepositoryService {
             list.add(commit);
             prevCommit = revCommit;
         }
+        git.close();
+        localRepo.close();
         return list;
     }
 
@@ -207,14 +210,17 @@ public class GitRepositoryService {
         cloneOrUpdateRepo(url);
         Repository localRepo = new FileRepository(getProjectGitDirectory(url));
         Git git = new Git(localRepo);
-        return git.branchList().setListMode(ListBranchCommand.ListMode.REMOTE)
+        List<Branch> branches = git.branchList().setListMode(ListBranchCommand.ListMode.REMOTE)
                 .call()
                 .stream()
                 .map(r -> new Branch(r.getName().replace(BRANCH_PREFIX, "")))
                 .collect(Collectors.toList());
+        git.close();
+        localRepo.close();
+        return branches;
     }
 
     public void remove(String repositoryUrl) throws IOException {
-        //FileUtils.deleteDirectory(getProjectDirectoryFile(repositoryUrl));
+        FileUtils.deleteDirectory(getProjectDirectoryFile(repositoryUrl));
     }
 }

From 50bc8aee9e00c33a555544a62a99dfaaf044db04 Mon Sep 17 00:00:00 2001
From: Anton Romanov <romanov73@gmail.com>
Date: Mon, 29 Mar 2021 17:10:47 +0400
Subject: [PATCH 14/15] #16 -- Fix npe

---
 src/main/java/ru/ulstu/extractor/model/Branch.java | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/main/java/ru/ulstu/extractor/model/Branch.java b/src/main/java/ru/ulstu/extractor/model/Branch.java
index 02a6349..5c39ce9 100644
--- a/src/main/java/ru/ulstu/extractor/model/Branch.java
+++ b/src/main/java/ru/ulstu/extractor/model/Branch.java
@@ -9,6 +9,7 @@ import javax.persistence.FetchType;
 import javax.persistence.JoinColumn;
 import javax.persistence.ManyToOne;
 import javax.persistence.OneToMany;
+import java.util.ArrayList;
 import java.util.List;
 
 @Entity
@@ -21,7 +22,7 @@ public class Branch extends BaseEntity {
     @OneToMany(cascade = CascadeType.ALL, fetch = FetchType.LAZY)
     @JoinColumn(name = "branch_id", unique = true)
     @Fetch(FetchMode.SUBSELECT)
-    private List<Commit> commits;
+    private List<Commit> commits = new ArrayList<>();
 
     public Branch() {
     }

From fb068f7b2a676239e7f6e4df0fa3c9334cc0df2a Mon Sep 17 00:00:00 2001
From: Anton Romanov <romanov73@gmail.com>
Date: Mon, 29 Mar 2021 17:11:07 +0400
Subject: [PATCH 15/15] #16 -- Clear previous commits

---
 src/main/java/ru/ulstu/extractor/service/IndexService.java | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/main/java/ru/ulstu/extractor/service/IndexService.java b/src/main/java/ru/ulstu/extractor/service/IndexService.java
index 581921e..332a3e1 100644
--- a/src/main/java/ru/ulstu/extractor/service/IndexService.java
+++ b/src/main/java/ru/ulstu/extractor/service/IndexService.java
@@ -48,6 +48,8 @@ public class IndexService {
             branchRepository.save(new Branch(repository, branchName));
         }
         List<Commit> commits = gitRepositoryService.getCommits(repositoryUrl, branchName);
+        commitRepository.deleteAll(branch.getCommits());
+        branch.getCommits().clear();
         branch.setCommits(commits);
         branchRepository.save(branch);
         gitRepositoryService.remove(repositoryUrl);