#20 -- some improvements

src/main/java/ru/ulstu/extractor/controller/BranchController.java

@@ -13,6 +13,7 @@ import ru.ulstu.extractor.repository.BranchRepository;
 import ru.ulstu.extractor.repository.RepositoryRepository;
 import springfox.documentation.annotations.ApiIgnore;
 
+import static ru.ulstu.extractor.controller.Route.DELETE_BRANCH;
 import static ru.ulstu.extractor.controller.Route.LIST_REPOSITORY_BRANCHES;
 
 @Controller
@@ -34,4 +35,14 @@ public class BranchController {
         model.addAttribute("repository", repositoryRepository.findById(repositoryId).get());
         return LIST_REPOSITORY_BRANCHES;
     }
+
+    @GetMapping(DELETE_BRANCH)
+    public String deleteBranch(Model model,
+                               @RequestParam int repositoryId,
+                               @RequestParam Integer id) {
+        branchRepository.deleteById(id);
+        model.addAttribute("branches", branchRepository.findByRepositoryId(repositoryId));
+        model.addAttribute("repository", repositoryRepository.findById(repositoryId).get());
+        return LIST_REPOSITORY_BRANCHES;
+    }
 }

src/main/java/ru/ulstu/extractor/controller/RepoController.java

@@ -44,5 +44,4 @@ public class RepoController {
         indexService.index(repositoryUrl, branchName);
         return true;
     }
-
 }

src/main/java/ru/ulstu/extractor/controller/RepositoryController.java

@@ -8,9 +8,11 @@ package ru.ulstu.extractor.controller;
 import org.springframework.stereotype.Controller;
 import org.springframework.ui.Model;
 import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestParam;
 import ru.ulstu.extractor.repository.RepositoryRepository;
 import springfox.documentation.annotations.ApiIgnore;
 
+import static ru.ulstu.extractor.controller.Route.DELETE_INDEXED_REPOSITORY;
 import static ru.ulstu.extractor.controller.Route.LIST_INDEXED_REPOSITORIES;
 
 @Controller
@@ -27,4 +29,12 @@ public class RepositoryController {
         model.addAttribute("repositories", repositoryRepository.findAll());
         return LIST_INDEXED_REPOSITORIES;
     }
+
+    @GetMapping(DELETE_INDEXED_REPOSITORY)
+    public String deleteRepo(Model model,
+                             @RequestParam Integer id) {
+        repositoryRepository.deleteById(id);
+        model.addAttribute("repositories", repositoryRepository.findAll());
+        return "redirect:/" + LIST_INDEXED_REPOSITORIES;
+    }
 }

src/main/java/ru/ulstu/extractor/controller/Route.java

@@ -10,7 +10,9 @@ import org.springframework.stereotype.Component;
 @Component
 public class Route {
     public static final String LIST_INDEXED_REPOSITORIES = "listRepositories";
+    public static final String DELETE_INDEXED_REPOSITORY = "deleteRepository";
     public static final String LIST_REPOSITORY_BRANCHES = "listBranches";
+    public static final String DELETE_BRANCH = "deleteBranch";
     public static final String INDEXING_NEW_REPOSITORY = "indexNewRepository";
     public static final String FILTER_COMMITS = "filterCommits";
     public static final String STATISTIC = "statistic";

src/main/java/ru/ulstu/extractor/model/Branch.java

@@ -1,12 +1,12 @@
-package ru.ulstu.extractor.model;
+/*
+ * Copyright (C) 2021 Anton Romanov - All Rights Reserved
+ * You may use, distribute and modify this code, please write to: romanov73@gmail.com.
+ */
 
-import org.hibernate.annotations.Fetch;
-import org.hibernate.annotations.FetchMode;
+package ru.ulstu.extractor.model;
 
-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;
@@ -19,9 +19,7 @@ public class Branch extends BaseEntity {
     @ManyToOne
     private Repository repository;
 
-    @OneToMany(cascade = CascadeType.ALL, fetch = FetchType.LAZY)
-    @JoinColumn(name = "branch_id", unique = true)
-    @Fetch(FetchMode.SUBSELECT)
+    @OneToMany(fetch = FetchType.LAZY, mappedBy = "branch")
     private List<Commit> commits = new ArrayList<>();
 
     public Branch() {

src/main/java/ru/ulstu/extractor/model/Changes.java

@@ -1,19 +0,0 @@
-package ru.ulstu.extractor.model;
-
-import java.util.ArrayList;
-import java.util.List;
-
-public class Changes {
-    private List<FileChange> fileChanges = new ArrayList<>();
-
-    public Changes() {
-    }
-
-    public Changes(List<FileChange> fileChanges) {
-        this.fileChanges = fileChanges;
-    }
-
-    public List<FileChange> getFileChanges() {
-        return fileChanges;
-    }
-}

src/main/java/ru/ulstu/extractor/model/Commit.java

@@ -23,13 +23,13 @@ public class Commit extends BaseEntity {
     private String hash;
     private Date date;
     private String message;
-    @ManyToOne(cascade = CascadeType.ALL, fetch = FetchType.LAZY)
+    @ManyToOne(fetch = FetchType.LAZY)
     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<>();
-    @ManyToOne(cascade = CascadeType.ALL, fetch = FetchType.LAZY)
+    @ManyToOne(fetch = FetchType.LAZY)
     private Branch branch;
 
     public Commit() {

src/main/java/ru/ulstu/extractor/model/FileChange.java

@@ -13,17 +13,16 @@ 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;
 
 @Entity
 public class FileChange extends BaseEntity {
     private String file;
-    @Transient
-    private boolean removed;
-    @Transient
-    private boolean added;
+
+    private Boolean removed;
+
+    private Boolean added;
 
     private Boolean containsEntity;
 
@@ -45,11 +44,11 @@ public class FileChange extends BaseEntity {
         return file;
     }
 
-    public boolean getRemoved() {
+    public Boolean getRemoved() {
         return removed;
     }
 
-    public boolean getAdded() {
+    public Boolean getAdded() {
         return added;
     }
 
@@ -73,11 +72,11 @@ public class FileChange extends BaseEntity {
         this.lineChanges = lineChanges;
     }
 
-    public boolean isRemoved() {
+    public Boolean isRemoved() {
         return removed;
     }
 
-    public boolean isAdded() {
+    public Boolean isAdded() {
         return added;
     }
 

src/main/java/ru/ulstu/extractor/model/LineChange.java

@@ -1,14 +1,18 @@
+/*
+ * Copyright (C) 2021 Anton Romanov - All Rights Reserved
+ * You may use, distribute and modify this code, please write to: romanov73@gmail.com.
+ */
+
 package ru.ulstu.extractor.model;
 
 import javax.persistence.Entity;
-import javax.persistence.Transient;
 
 @Entity
 public class LineChange extends BaseEntity {
-    @Transient
-    private boolean added;
-    @Transient
-    private boolean removed;
+
+    private Boolean added;
+
+    private Boolean removed;
     private String lineFrom;
     private String lineTo;
 
@@ -48,19 +52,19 @@ public class LineChange extends BaseEntity {
         return lineTo;
     }
 
-    public boolean isAdded() {
+    public Boolean isAdded() {
         return added;
     }
 
-    public void setAdded(boolean added) {
+    public void setAdded(Boolean added) {
         this.added = added;
     }
 
-    public boolean isRemoved() {
+    public Boolean isRemoved() {
         return removed;
     }
 
-    public void setRemoved(boolean removed) {
+    public void setRemoved(Boolean removed) {
         this.removed = removed;
     }
 }

src/main/java/ru/ulstu/extractor/repository/AuthorRepository.java

@@ -16,4 +16,6 @@ import java.util.List;
 public interface AuthorRepository extends JpaRepository<Author, Integer> {
     @Query("SELECT DISTINCT a.name 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 AND a.name IS NOT NULL AND a.name <> '' ORDER BY a.name")
     List<String> findByRepositoryAndBranch(@Param("repository") Repository repository, @Param("branchName") String branchName);
+
+    List<Author> findByName(String name);
 }

src/main/java/ru/ulstu/extractor/service/AuthorService.java

@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2021 Anton Romanov - All Rights Reserved
+ * You may use, distribute and modify this code, please write to: romanov73@gmail.com.
+ */
+
+package ru.ulstu.extractor.service;
+
+import org.springframework.stereotype.Service;
+import ru.ulstu.extractor.model.Author;
+import ru.ulstu.extractor.repository.AuthorRepository;
+
+import javax.transaction.Transactional;
+import java.util.Optional;
+
+@Service
+public class AuthorService {
+    private final AuthorRepository authorRepository;
+
+    public AuthorService(AuthorRepository authorRepository) {
+        this.authorRepository = authorRepository;
+    }
+
+    @Transactional
+    public Author findOrCreate(Author author) {
+        Optional<Author> newAuthor = authorRepository.findByName(author.getName()).stream().findAny();
+        if (newAuthor.isEmpty()) {
+            return authorRepository.save(author);
+        }
+        return newAuthor.get();
+    }
+}

src/main/java/ru/ulstu/extractor/service/BranchService.java

@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2021 Anton Romanov - All Rights Reserved
+ * You may use, distribute and modify this code, please write to: romanov73@gmail.com.
+ */
+
+package ru.ulstu.extractor.service;
+
+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 javax.transaction.Transactional;
+import java.util.List;
+
+@Service
+public class BranchService {
+    private final BranchRepository branchRepository;
+    private final CommitService commitService;
+
+    public BranchService(BranchRepository branchRepository,
+                         CommitService commitService) {
+        this.branchRepository = branchRepository;
+        this.commitService = commitService;
+    }
+
+    @Transactional
+    public Branch save(Branch branch, List<Commit> commits) {
+        List<Commit> commitsToRemove = branch.getCommits();
+        branch.getCommits().clear();
+        commitService.delete(commitsToRemove);
+        branch.setCommits(commitService.save(commits));
+        return branchRepository.save(branch);
+    }
+
+    public Branch findByRepositoryAndName(Repository repository, String branchName) {
+        return branchRepository.findByRepositoryAndName(repository, branchName);
+    }
+}

src/main/java/ru/ulstu/extractor/service/CommitService.java

@@ -1,3 +1,8 @@
+/*
+ * Copyright (C) 2021 Anton Romanov - All Rights Reserved
+ * You may use, distribute and modify this code, please write to: romanov73@gmail.com.
+ */
+
 package ru.ulstu.extractor.service;
 
 import org.eclipse.jgit.api.errors.GitAPIException;
@@ -7,17 +12,26 @@ import org.springframework.data.domain.PageRequest;
 import org.springframework.data.domain.Pageable;
 import org.springframework.stereotype.Service;
 import ru.ulstu.extractor.model.Commit;
+import ru.ulstu.extractor.repository.CommitRepository;
 
+import javax.transaction.Transactional;
 import java.io.IOException;
 import java.util.Collections;
 import java.util.List;
+import java.util.stream.Collectors;
 
 @Service
 public class CommitService {
     private final GitRepositoryService gitRepositoryService;
+    private final CommitRepository commitRepository;
+    private final AuthorService authorService;
 
-    public CommitService(GitRepositoryService gitRepositoryService) {
+    public CommitService(GitRepositoryService gitRepositoryService,
+                         CommitRepository commitRepository,
+                         AuthorService authorService) {
         this.gitRepositoryService = gitRepositoryService;
+        this.commitRepository = commitRepository;
+        this.authorService = authorService;
     }
 
     public Page<Commit> findPaginated(Pageable pageable, String repositoryUrl, String branchName) throws GitAPIException, IOException {
@@ -34,6 +48,19 @@ public class CommitService {
         }
         return new PageImpl<>(commits, PageRequest.of(currentPage, pageSize), commits.size());
     }
+
+    public void delete(List<Commit> commitsToRemove) {
+        commitRepository.deleteAll(commitsToRemove);
+    }
+
+    @Transactional
+    public List<Commit> save(List<Commit> commits) {
+        return commits.stream()
+                .map(commit -> {
+                    commit.setAuthor(authorService.findOrCreate(commit.getAuthor()));
+                    return commitRepository.save(commit);
+                }).collect(Collectors.toList());
+    }
 }
 
 

src/main/java/ru/ulstu/extractor/service/IndexService.java

@@ -12,7 +12,6 @@ import org.springframework.transaction.annotation.Transactional;
 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;
 
@@ -23,17 +22,20 @@ import java.util.List;
 public class IndexService {
     private final GitRepositoryService gitRepositoryService;
     private final RepositoryRepository repositoryRepository;
-    private final BranchRepository branchRepository;
+    private final BranchService branchService;
     private final CommitRepository commitRepository;
+    private final AuthorService authorService;
 
     public IndexService(GitRepositoryService gitRepositoryService,
                         RepositoryRepository repositoryRepository,
-                        BranchRepository branchRepository,
-                        CommitRepository commitRepository) {
+                        BranchService branchService,
+                        CommitRepository commitRepository,
+                        AuthorService authorService) {
         this.gitRepositoryService = gitRepositoryService;
         this.repositoryRepository = repositoryRepository;
-        this.branchRepository = branchRepository;
+        this.branchService = branchService;
         this.commitRepository = commitRepository;
+        this.authorService = authorService;
     }
 
     @Transactional
@@ -42,15 +44,11 @@ public class IndexService {
         if (repository == null) {
             repository = repositoryRepository.save(new Repository(repositoryUrl));
         }
-        Branch branch = branchRepository.findByRepositoryAndName(repository, branchName);
+        Branch branch = branchService.findByRepositoryAndName(repository, branchName);
         if (branch == null) {
-            branch = branchRepository.save(new Branch(repository, branchName));
+            branch = new Branch(repository, branchName);
         }
         List<Commit> commits = gitRepositoryService.getCommits(repositoryUrl, branchName);
-        List<Commit> commitsToRemove = branch.getCommits();
-        branch.getCommits().clear();
-        commitRepository.deleteAll(commitsToRemove);
-        branch.setCommits(commits);
-        branchRepository.save(branch);
+        branchService.save(branch, commits);
     }
 }

src/main/resources/db/changelog-20210412_100000-schema.xml

@@ -17,4 +17,41 @@
             <column name="contains_business_logic" type="boolean"/>
         </addColumn>
     </changeSet>
+    <changeSet author="orion" id="20210420-100000-1">
+        <addColumn tableName="file_change">
+            <column name="removed" type="boolean"/>
+            <column name="added" type="boolean"/>
+        </addColumn>
+        <addColumn tableName="line_change">
+            <column name="removed" type="boolean"/>
+            <column name="added" type="boolean"/>
+        </addColumn>
+    </changeSet>
+    <changeSet author="orion" id="20210420-100000-2">
+        <dropForeignKeyConstraint baseTableName="branch" constraintName="fk_repository"/>
+        <addForeignKeyConstraint baseTableName="branch" baseColumnNames="repository_id" constraintName="fk_repository"
+                                 referencedTableName="repository" referencedColumnNames="id" onDelete="CASCADE"
+                                 onUpdate="CASCADE"/>
+
+        <dropForeignKeyConstraint baseTableName="file_change" constraintName="fk_commit"/>
+        <addForeignKeyConstraint baseTableName="file_change" baseColumnNames="commit_id" constraintName="fk_commit"
+                                 referencedTableName="commit" referencedColumnNames="id" onDelete="CASCADE"
+                                 onUpdate="CASCADE"/>
+
+        <dropForeignKeyConstraint baseTableName="line_change" constraintName="fk_file_change"/>
+        <addForeignKeyConstraint baseTableName="line_change" baseColumnNames="file_change_id"
+                                 constraintName="fk_file_change" referencedTableName="file_change"
+                                 referencedColumnNames="id" onDelete="CASCADE"
+                                 onUpdate="CASCADE"/>
+
+        <dropForeignKeyConstraint baseTableName="commit" constraintName="fk_author"/>
+        <addForeignKeyConstraint baseTableName="commit" baseColumnNames="author_id" constraintName="fk_author"
+                                 referencedTableName="author" referencedColumnNames="id" onDelete="CASCADE"
+                                 onUpdate="CASCADE"/>
+
+        <dropForeignKeyConstraint baseTableName="commit" constraintName="fk_branch"/>
+        <addForeignKeyConstraint baseTableName="commit" baseColumnNames="branch_id" constraintName="fk_branch"
+                                 referencedTableName="branch" referencedColumnNames="id" onDelete="CASCADE"
+                                 onUpdate="CASCADE"/>
+    </changeSet>
 </databaseChangeLog>

src/main/resources/templates/listBranches.html

@@ -12,13 +12,22 @@
         <thead class="thead-dark">
         <tr>
             <th scope="col">Ветки</th>
+            <th width="10%"></th>
         </tr>
         </thead>
         <tbody>
         <tr th:each="branch: ${branches}">
             <td>
                 <a th:href="@{${@route.FILTER_COMMITS} + '?branchName='+${branch.name}+'&repositoryUrl='+${repository.url}}"
-                   th:text="${branch.name}"/></td>
+                   th:text="${branch.name}"/>
+            </td>
+            <td>
+                <a role="button" class="btn btn-danger"
+                   th:href="@{'deleteBranch?id=' + ${branch.id} + '&repositoryId='+${repository.id}}"
+                   onclick="return confirm('Удалить ветку?')">
+                    <i class="fa fa-times" aria-hidden="true"></i>
+                </a>
+            </td>
         </tr>
         </tbody>
     </table>

src/main/resources/templates/listRepositories.html

@@ -8,18 +8,27 @@
       xmlns:layout="http://www.ultraq.net.nz/thymeleaf/layout"
       layout:decorate="~{default}">
 <div class="container" layout:fragment="content">
-    <table class="table table-striped">
-        <thead class="thead-dark">
-        <tr>
-            <th scope="col">Репозиторий</th>
-        </tr>
-        </thead>
-        <tbody>
-        <tr th:each="repo: ${repositories}">
-            <td><a th:href="@{${@route.LIST_REPOSITORY_BRANCHES} + '?repositoryId=' + ${repo.id}}"
-                   th:text="${repo.url}"></a></td>
-        </tr>
-        </tbody>
-    </table>
+    <form action="#" th:action="${@route.LIST_INDEXED_REPOSITORIES}" method="POST">
+        <table class="table table-striped">
+            <thead class="thead-dark">
+            <tr>
+                <th scope="col">Репозиторий</th>
+                <th></th>
+            </tr>
+            </thead>
+            <tbody>
+            <tr th:each="repo: ${repositories}">
+                <td><a th:href="@{${@route.LIST_REPOSITORY_BRANCHES} + '?repositoryId=' + ${repo.id}}"
+                       th:text="${repo.url}"></a></td>
+                <td>
+                    <a role="button" class="btn btn-danger" th:href="@{'deleteRepository?id=' + ${repo.id}}"
+                       onclick="return confirm('Удалить репозиторий?')">
+                        <i class="fa fa-times" aria-hidden="true"></i>
+                    </a>
+                </td>
+            </tr>
+            </tbody>
+        </table>
+    </form>
 </div>
 </html>