From 0dc4dc46d77aedef9081ee2dfddbd808f1b2cb30 Mon Sep 17 00:00:00 2001
From: Anton Romanov <a.romanov@ulstu.ru>
Date: Thu, 6 Oct 2022 14:40:06 +0400
Subject: [PATCH] #59 -- fix multiple time series generation

---
 build.gradle                                  |  5 ----
 .../extractor/model/TimeSeriesValue.java      | 14 ----------
 .../repository/TimeSeriesValueRepository.java |  4 +++
 .../extractor/service/TimeSeriesService.java  | 26 ++++++++++++++---
 .../ts/AbstractTimeSeriesCreator.java         | 28 +++++++++++++++----
 .../java/ru/ulstu/extractor/ts/AuthorTS.java  | 14 ++++++++--
 .../ulstu/extractor/ts/AuthorsCommentTS.java  | 14 ++++++++--
 .../extractor/ts/AuthorsCompletedIssueTS.java | 14 ++++++++--
 .../ru/ulstu/extractor/ts/AuthorsIssueTS.java | 14 ++++++++--
 .../java/ru/ulstu/extractor/ts/BranchTS.java  | 14 ++++++++--
 .../java/ru/ulstu/extractor/ts/ClassTS.java   | 14 ++++++++--
 .../java/ru/ulstu/extractor/ts/CommitsTS.java | 15 ++++++----
 .../ru/ulstu/extractor/ts/DependenceTS.java   | 14 ++++++++--
 .../java/ru/ulstu/extractor/ts/EntityTS.java  | 14 ++++++++--
 .../java/ru/ulstu/extractor/ts/FileTS.java    | 14 ++++++++--
 .../ru/ulstu/extractor/ts/InterfaceTS.java    | 14 ++++++++--
 .../java/ru/ulstu/extractor/ts/IssuesTS.java  | 16 +++++++++--
 .../java/ru/ulstu/extractor/ts/ProcessTS.java | 14 ++++++++--
 .../java/ru/ulstu/extractor/ts/StarTS.java    | 14 ++++++++--
 .../db/changelog-20220621_120000-schema.xml   |  3 ++
 20 files changed, 219 insertions(+), 60 deletions(-)

diff --git a/build.gradle b/build.gradle
index 04deaca..29c6ed9 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,8 +1,3 @@
-/*
- * Copyright (C) 2021 Anton Romanov - All Rights Reserved
- * You may use, distribute and modify this code, please write to: romanov73@gmail.com.
- */
-
 buildscript {
     ext {
         versionSpringBoot = '2.3.9.RELEASE'
diff --git a/src/main/java/ru/ulstu/extractor/model/TimeSeriesValue.java b/src/main/java/ru/ulstu/extractor/model/TimeSeriesValue.java
index 3efd621..673f156 100644
--- a/src/main/java/ru/ulstu/extractor/model/TimeSeriesValue.java
+++ b/src/main/java/ru/ulstu/extractor/model/TimeSeriesValue.java
@@ -1,28 +1,22 @@
 package ru.ulstu.extractor.model;
 
 import javax.persistence.Entity;
-import javax.persistence.FetchType;
-import javax.persistence.ManyToOne;
 import java.util.Date;
 
 @Entity
 public class TimeSeriesValue extends BaseEntity {
     private Date date;
     private Integer value;
-    @ManyToOne(fetch = FetchType.LAZY)
-    private TimeSeries timeSeries;
 
     public TimeSeriesValue() {
     }
 
     public TimeSeriesValue(Date date, Integer value) {
-        this.timeSeries = timeSeries;
         this.date = date;
         this.value = value;
     }
 
     public TimeSeriesValue(TimeSeries timeSeries, Date date, Integer value) {
-        this.timeSeries = timeSeries;
         this.date = date;
         this.value = value;
     }
@@ -42,12 +36,4 @@ public class TimeSeriesValue extends BaseEntity {
     public void setValue(Integer value) {
         this.value = value;
     }
-
-    public TimeSeries getTimeSeries() {
-        return timeSeries;
-    }
-
-    public void setTimeSeries(TimeSeries timeSeries) {
-        this.timeSeries = timeSeries;
-    }
 }
diff --git a/src/main/java/ru/ulstu/extractor/repository/TimeSeriesValueRepository.java b/src/main/java/ru/ulstu/extractor/repository/TimeSeriesValueRepository.java
index cad99ca..b603ed5 100644
--- a/src/main/java/ru/ulstu/extractor/repository/TimeSeriesValueRepository.java
+++ b/src/main/java/ru/ulstu/extractor/repository/TimeSeriesValueRepository.java
@@ -3,8 +3,12 @@ package ru.ulstu.extractor.repository;
 import org.springframework.data.jpa.repository.JpaRepository;
 import ru.ulstu.extractor.model.TimeSeriesValue;
 
+import java.util.List;
+
 public interface TimeSeriesValueRepository extends JpaRepository<TimeSeriesValue, Integer> {
     //TimeSeriesValue findByTimeSeriesAndName(TimeSeries timeSeries, String name);
 
     //List<TimeSeriesValue> findTimeSeriesValueById(Integer repositoryId);
+
+    void deleteAllByIdIn(List<Integer> ids);
 }
diff --git a/src/main/java/ru/ulstu/extractor/service/TimeSeriesService.java b/src/main/java/ru/ulstu/extractor/service/TimeSeriesService.java
index 644f6aa..9707172 100644
--- a/src/main/java/ru/ulstu/extractor/service/TimeSeriesService.java
+++ b/src/main/java/ru/ulstu/extractor/service/TimeSeriesService.java
@@ -8,15 +8,17 @@ package ru.ulstu.extractor.service;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.stereotype.Service;
-import ru.ulstu.extractor.model.BaseEntity;
 import ru.ulstu.extractor.model.TimeSeries;
 import ru.ulstu.extractor.model.TimeSeriesValue;
 import ru.ulstu.extractor.repository.TimeSeriesRepository;
 import ru.ulstu.extractor.repository.TimeSeriesValueRepository;
 import ru.ulstu.extractor.ts.TimeSeriesDateMapper;
 
+import javax.transaction.Transactional;
+import java.util.ArrayList;
 import java.util.Date;
 import java.util.List;
+import java.util.Map;
 import java.util.Optional;
 import java.util.stream.Collectors;
 
@@ -32,15 +34,31 @@ public class TimeSeriesService {
         this.timeSeriesValueRepository = timeSeriesValueRepository;
     }
 
+    /**
+     * Сохранить список временных рядов
+     *
+     * @param timeSeriesValues
+     * @return
+     */
+    @Transactional
+    public List<TimeSeries> save(Map<String, List<TimeSeriesValue>> timeSeriesValues) {
+        List<TimeSeries> results = new ArrayList<>();
+        for (Map.Entry<String, List<TimeSeriesValue>> entry : timeSeriesValues.entrySet()) {
+            results.add(save(entry.getKey(), entry.getValue()));
+        }
+        return results;
+    }
+
+    @Transactional
     public TimeSeries save(String timeSeriesName, List<TimeSeriesValue> timeSeriesValues) {
         LOG.debug("Start save {} time series with {} time series values ", timeSeriesName, timeSeriesValues.size());
         final TimeSeries timeSeries = findOrCreate(timeSeriesName);
-        List<Integer> timeSeriesValuesToRemoveIds = timeSeries.getValues().stream().map(BaseEntity::getId).collect(Collectors.toList());
-        timeSeriesValues.forEach(v -> v.setTimeSeries(timeSeries));
+        List<TimeSeriesValue> timeSeriesValuesToRemove = timeSeries.getValues();
         timeSeries.setValues(timeSeriesValues);
         LOG.debug("Save time series {} ", timeSeries.getName());
         TimeSeries savedTimeSeries = timeSeriesRepository.save(timeSeries);
-        LOG.debug("Clear {} time series values ", timeSeriesValuesToRemoveIds.size());
+        LOG.debug("Clear {} time series values ", timeSeriesValuesToRemove.size());
+        timeSeriesValueRepository.deleteAll(timeSeriesValuesToRemove);
         return savedTimeSeries;
     }
 
diff --git a/src/main/java/ru/ulstu/extractor/ts/AbstractTimeSeriesCreator.java b/src/main/java/ru/ulstu/extractor/ts/AbstractTimeSeriesCreator.java
index 2cc9f4f..4fde2c8 100644
--- a/src/main/java/ru/ulstu/extractor/ts/AbstractTimeSeriesCreator.java
+++ b/src/main/java/ru/ulstu/extractor/ts/AbstractTimeSeriesCreator.java
@@ -4,19 +4,37 @@ import ru.ulstu.extractor.model.TimeSeriesValue;
 import ru.ulstu.extractor.service.TimeSeriesService;
 
 import java.util.List;
+import java.util.Map;
+
+import static ru.ulstu.extractor.ts.TimeSeriesDateMapper.mapTimeSeriesToInterval;
 
 public abstract class AbstractTimeSeriesCreator {
 
     public abstract String getTimeSeriesName();
 
-    public abstract List<TimeSeriesValue> getTimeSeriesValues(Integer repositoryId, String branchName);
+    /**
+     * Извлечь список точек временных рядов
+     *
+     * @param repositoryId
+     * @param branchName
+     * @return
+     */
+    public abstract Map<String, List<TimeSeriesValue>> getTimeSeriesValues(Integer repositoryId, String branchName);
 
     public abstract TimeSeriesService getTimeSeriesService();
 
+    /**
+     * Сохранить извлеченные временные ряды
+     *
+     * @param repositoryId
+     * @param branchName
+     */
     public void addTimeSeries(Integer repositoryId, String branchName) {
-        getTimeSeriesService().save(
-                String.format("%s %s %s", getTimeSeriesName(), repositoryId, branchName),
-                TimeSeriesDateMapper.mapTimeSeriesToInterval(getTimeSeriesService().getTimeSeriesInterval(),
-                        getTimeSeriesValues(repositoryId, branchName)));
+        // извлеченные точки временных рядов
+        Map<String, List<TimeSeriesValue>> timeSeriesValues = getTimeSeriesValues(repositoryId, branchName);
+
+        // сгруппированные по временным интервалам точки временных рядов
+        timeSeriesValues.replaceAll((k, v) -> mapTimeSeriesToInterval(getTimeSeriesService().getTimeSeriesInterval(), v));
+        getTimeSeriesService().save(timeSeriesValues);
     }
 }
diff --git a/src/main/java/ru/ulstu/extractor/ts/AuthorTS.java b/src/main/java/ru/ulstu/extractor/ts/AuthorTS.java
index a25a835..a6d01dc 100644
--- a/src/main/java/ru/ulstu/extractor/ts/AuthorTS.java
+++ b/src/main/java/ru/ulstu/extractor/ts/AuthorTS.java
@@ -1,10 +1,15 @@
 package ru.ulstu.extractor.ts;
 
 import org.springframework.stereotype.Component;
+import ru.ulstu.extractor.model.TimeSeriesValue;
 import ru.ulstu.extractor.service.TimeSeriesService;
 
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
 @Component
-public class AuthorTS extends AbstractTSExtractor {
+public class AuthorTS extends AbstractTimeSeriesCreator {
     private final TimeSeriesService timeSeriesService;
 
     public AuthorTS(TimeSeriesService timeSeriesService) {
@@ -12,10 +17,15 @@ public class AuthorTS extends AbstractTSExtractor {
     }
 
     @Override
-    public String getTSName() {
+    public String getTimeSeriesName() {
         return "Количество Авторов";
     }
 
+    @Override
+    public Map<String, List<TimeSeriesValue>> getTimeSeriesValues(Integer repositoryId, String branchName) {
+        return new HashMap<>();
+    }
+
     @Override
     public TimeSeriesService getTimeSeriesService() {
         return timeSeriesService;
diff --git a/src/main/java/ru/ulstu/extractor/ts/AuthorsCommentTS.java b/src/main/java/ru/ulstu/extractor/ts/AuthorsCommentTS.java
index 0a2feea..62ea9a7 100644
--- a/src/main/java/ru/ulstu/extractor/ts/AuthorsCommentTS.java
+++ b/src/main/java/ru/ulstu/extractor/ts/AuthorsCommentTS.java
@@ -1,10 +1,15 @@
 package ru.ulstu.extractor.ts;
 
 import org.springframework.stereotype.Component;
+import ru.ulstu.extractor.model.TimeSeriesValue;
 import ru.ulstu.extractor.service.TimeSeriesService;
 
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
 @Component
-public class AuthorsCommentTS extends AbstractTSExtractor {
+public class AuthorsCommentTS extends AbstractTimeSeriesCreator {
     private final TimeSeriesService timeSeriesService;
 
     public AuthorsCommentTS(TimeSeriesService timeSeriesService) {
@@ -12,10 +17,15 @@ public class AuthorsCommentTS extends AbstractTSExtractor {
     }
 
     @Override
-    public String getTSName() {
+    public String getTimeSeriesName() {
         return "Количество коммитов авторов";
     }
 
+    @Override
+    public Map<String, List<TimeSeriesValue>> getTimeSeriesValues(Integer repositoryId, String branchName) {
+        return new HashMap<>();
+    }
+
     @Override
     public TimeSeriesService getTimeSeriesService() {
         return timeSeriesService;
diff --git a/src/main/java/ru/ulstu/extractor/ts/AuthorsCompletedIssueTS.java b/src/main/java/ru/ulstu/extractor/ts/AuthorsCompletedIssueTS.java
index d6df385..7453fdb 100644
--- a/src/main/java/ru/ulstu/extractor/ts/AuthorsCompletedIssueTS.java
+++ b/src/main/java/ru/ulstu/extractor/ts/AuthorsCompletedIssueTS.java
@@ -1,10 +1,15 @@
 package ru.ulstu.extractor.ts;
 
 import org.springframework.stereotype.Component;
+import ru.ulstu.extractor.model.TimeSeriesValue;
 import ru.ulstu.extractor.service.TimeSeriesService;
 
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
 @Component
-public class AuthorsCompletedIssueTS extends AbstractTSExtractor {
+public class AuthorsCompletedIssueTS extends AbstractTimeSeriesCreator {
     private final TimeSeriesService timeSeriesService;
 
     public AuthorsCompletedIssueTS(TimeSeriesService timeSeriesService) {
@@ -12,10 +17,15 @@ public class AuthorsCompletedIssueTS extends AbstractTSExtractor {
     }
 
     @Override
-    public String getTSName() {
+    public String getTimeSeriesName() {
         return "Количество выполненных issues авторов";
     }
 
+    @Override
+    public Map<String, List<TimeSeriesValue>> getTimeSeriesValues(Integer repositoryId, String branchName) {
+        return new HashMap<>();
+    }
+
     @Override
     public TimeSeriesService getTimeSeriesService() {
         return timeSeriesService;
diff --git a/src/main/java/ru/ulstu/extractor/ts/AuthorsIssueTS.java b/src/main/java/ru/ulstu/extractor/ts/AuthorsIssueTS.java
index a780b4f..d7318da 100644
--- a/src/main/java/ru/ulstu/extractor/ts/AuthorsIssueTS.java
+++ b/src/main/java/ru/ulstu/extractor/ts/AuthorsIssueTS.java
@@ -1,10 +1,15 @@
 package ru.ulstu.extractor.ts;
 
 import org.springframework.stereotype.Component;
+import ru.ulstu.extractor.model.TimeSeriesValue;
 import ru.ulstu.extractor.service.TimeSeriesService;
 
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
 @Component
-public class AuthorsIssueTS extends AbstractTSExtractor {
+public class AuthorsIssueTS extends AbstractTimeSeriesCreator {
     private final TimeSeriesService timeSeriesService;
 
     public AuthorsIssueTS(TimeSeriesService timeSeriesService) {
@@ -12,10 +17,15 @@ public class AuthorsIssueTS extends AbstractTSExtractor {
     }
 
     @Override
-    public String getTSName() {
+    public String getTimeSeriesName() {
         return "Количество issues авторов";
     }
 
+    @Override
+    public Map<String, List<TimeSeriesValue>> getTimeSeriesValues(Integer repositoryId, String branchName) {
+        return new HashMap<>();
+    }
+
     @Override
     public TimeSeriesService getTimeSeriesService() {
         return timeSeriesService;
diff --git a/src/main/java/ru/ulstu/extractor/ts/BranchTS.java b/src/main/java/ru/ulstu/extractor/ts/BranchTS.java
index 6f6200c..6233909 100644
--- a/src/main/java/ru/ulstu/extractor/ts/BranchTS.java
+++ b/src/main/java/ru/ulstu/extractor/ts/BranchTS.java
@@ -1,10 +1,15 @@
 package ru.ulstu.extractor.ts;
 
 import org.springframework.stereotype.Component;
+import ru.ulstu.extractor.model.TimeSeriesValue;
 import ru.ulstu.extractor.service.TimeSeriesService;
 
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
 @Component
-public class BranchTS extends AbstractTSExtractor {
+public class BranchTS extends AbstractTimeSeriesCreator {
     private final TimeSeriesService timeSeriesService;
 
     public BranchTS(TimeSeriesService timeSeriesService) {
@@ -12,10 +17,15 @@ public class BranchTS extends AbstractTSExtractor {
     }
 
     @Override
-    public String getTSName() {
+    public String getTimeSeriesName() {
         return "Количество веток";
     }
 
+    @Override
+    public Map<String, List<TimeSeriesValue>> getTimeSeriesValues(Integer repositoryId, String branchName) {
+        return new HashMap<>();
+    }
+
     @Override
     public TimeSeriesService getTimeSeriesService() {
         return timeSeriesService;
diff --git a/src/main/java/ru/ulstu/extractor/ts/ClassTS.java b/src/main/java/ru/ulstu/extractor/ts/ClassTS.java
index 4d68d4c..1fdf504 100644
--- a/src/main/java/ru/ulstu/extractor/ts/ClassTS.java
+++ b/src/main/java/ru/ulstu/extractor/ts/ClassTS.java
@@ -1,10 +1,15 @@
 package ru.ulstu.extractor.ts;
 
 import org.springframework.stereotype.Component;
+import ru.ulstu.extractor.model.TimeSeriesValue;
 import ru.ulstu.extractor.service.TimeSeriesService;
 
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
 @Component
-public class ClassTS extends AbstractTSExtractor {
+public class ClassTS extends AbstractTimeSeriesCreator {
     private final TimeSeriesService timeSeriesService;
 
     public ClassTS(TimeSeriesService timeSeriesService) {
@@ -12,10 +17,15 @@ public class ClassTS extends AbstractTSExtractor {
     }
 
     @Override
-    public String getTSName() {
+    public String getTimeSeriesName() {
         return "Количество классов";
     }
 
+    @Override
+    public Map<String, List<TimeSeriesValue>> getTimeSeriesValues(Integer repositoryId, String branchName) {
+        return new HashMap<>();
+    }
+
     @Override
     public TimeSeriesService getTimeSeriesService() {
         return timeSeriesService;
diff --git a/src/main/java/ru/ulstu/extractor/ts/CommitsTS.java b/src/main/java/ru/ulstu/extractor/ts/CommitsTS.java
index 8f7dae0..47f447a 100644
--- a/src/main/java/ru/ulstu/extractor/ts/CommitsTS.java
+++ b/src/main/java/ru/ulstu/extractor/ts/CommitsTS.java
@@ -5,7 +5,9 @@ import ru.ulstu.extractor.commit.service.CommitService;
 import ru.ulstu.extractor.model.TimeSeriesValue;
 import ru.ulstu.extractor.service.TimeSeriesService;
 
+import java.util.HashMap;
 import java.util.List;
+import java.util.Map;
 import java.util.stream.Collectors;
 
 @Component
@@ -25,12 +27,15 @@ public class CommitsTS extends AbstractTimeSeriesCreator {
     }
 
     @Override
-    public List<TimeSeriesValue> getTimeSeriesValues(Integer repositoryId, String branchName) {
+    public Map<String, List<TimeSeriesValue>> getTimeSeriesValues(Integer repositoryId, String branchName) {
         //TODO: добавить постраничное чтение
-        return commitService.findByRepositoryIdAndName(repositoryId, branchName)
-                .stream()
-                .map(c -> new TimeSeriesValue(c.getDate(), 1))
-                .collect(Collectors.toList());
+        Map<String, List<TimeSeriesValue>> result = new HashMap<>();
+        result.put(String.format("%s %s %s", getTimeSeriesName(), repositoryId, branchName),
+                commitService.findByRepositoryIdAndName(repositoryId, branchName)
+                        .stream()
+                        .map(c -> new TimeSeriesValue(c.getDate(), 1))
+                        .collect(Collectors.toList()));
+        return result;
     }
 
     @Override
diff --git a/src/main/java/ru/ulstu/extractor/ts/DependenceTS.java b/src/main/java/ru/ulstu/extractor/ts/DependenceTS.java
index 0df8357..26c0e39 100644
--- a/src/main/java/ru/ulstu/extractor/ts/DependenceTS.java
+++ b/src/main/java/ru/ulstu/extractor/ts/DependenceTS.java
@@ -1,10 +1,15 @@
 package ru.ulstu.extractor.ts;
 
 import org.springframework.stereotype.Component;
+import ru.ulstu.extractor.model.TimeSeriesValue;
 import ru.ulstu.extractor.service.TimeSeriesService;
 
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
 @Component
-public class DependenceTS extends AbstractTSExtractor {
+public class DependenceTS extends AbstractTimeSeriesCreator {
     private final TimeSeriesService timeSeriesService;
 
     public DependenceTS(TimeSeriesService timeSeriesService) {
@@ -12,10 +17,15 @@ public class DependenceTS extends AbstractTSExtractor {
     }
 
     @Override
-    public String getTSName() {
+    public String getTimeSeriesName() {
         return "Количество зависимостей";
     }
 
+    @Override
+    public Map<String, List<TimeSeriesValue>> getTimeSeriesValues(Integer repositoryId, String branchName) {
+        return new HashMap<>();
+    }
+
     @Override
     public TimeSeriesService getTimeSeriesService() {
         return timeSeriesService;
diff --git a/src/main/java/ru/ulstu/extractor/ts/EntityTS.java b/src/main/java/ru/ulstu/extractor/ts/EntityTS.java
index dc687bf..ff6a2d9 100644
--- a/src/main/java/ru/ulstu/extractor/ts/EntityTS.java
+++ b/src/main/java/ru/ulstu/extractor/ts/EntityTS.java
@@ -1,10 +1,15 @@
 package ru.ulstu.extractor.ts;
 
 import org.springframework.stereotype.Component;
+import ru.ulstu.extractor.model.TimeSeriesValue;
 import ru.ulstu.extractor.service.TimeSeriesService;
 
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
 @Component
-public class EntityTS extends AbstractTSExtractor {
+public class EntityTS extends AbstractTimeSeriesCreator {
     private final TimeSeriesService timeSeriesService;
 
     public EntityTS(TimeSeriesService timeSeriesService) {
@@ -12,10 +17,15 @@ public class EntityTS extends AbstractTSExtractor {
     }
 
     @Override
-    public String getTSName() {
+    public String getTimeSeriesName() {
         return "Количество сущностей";
     }
 
+    @Override
+    public Map<String, List<TimeSeriesValue>> getTimeSeriesValues(Integer repositoryId, String branchName) {
+        return new HashMap<>();
+    }
+
     @Override
     public TimeSeriesService getTimeSeriesService() {
         return timeSeriesService;
diff --git a/src/main/java/ru/ulstu/extractor/ts/FileTS.java b/src/main/java/ru/ulstu/extractor/ts/FileTS.java
index 5325dd4..e90ce57 100644
--- a/src/main/java/ru/ulstu/extractor/ts/FileTS.java
+++ b/src/main/java/ru/ulstu/extractor/ts/FileTS.java
@@ -1,10 +1,15 @@
 package ru.ulstu.extractor.ts;
 
 import org.springframework.stereotype.Component;
+import ru.ulstu.extractor.model.TimeSeriesValue;
 import ru.ulstu.extractor.service.TimeSeriesService;
 
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
 @Component
-public class FileTS extends AbstractTSExtractor {
+public class FileTS extends AbstractTimeSeriesCreator {
     private final TimeSeriesService timeSeriesService;
 
     public FileTS(TimeSeriesService timeSeriesService) {
@@ -12,10 +17,15 @@ public class FileTS extends AbstractTSExtractor {
     }
 
     @Override
-    public String getTSName() {
+    public String getTimeSeriesName() {
         return "Количество файлов";
     }
 
+    @Override
+    public Map<String, List<TimeSeriesValue>> getTimeSeriesValues(Integer repositoryId, String branchName) {
+        return new HashMap<>();
+    }
+
     @Override
     public TimeSeriesService getTimeSeriesService() {
         return timeSeriesService;
diff --git a/src/main/java/ru/ulstu/extractor/ts/InterfaceTS.java b/src/main/java/ru/ulstu/extractor/ts/InterfaceTS.java
index 9899c64..7d26f00 100644
--- a/src/main/java/ru/ulstu/extractor/ts/InterfaceTS.java
+++ b/src/main/java/ru/ulstu/extractor/ts/InterfaceTS.java
@@ -1,10 +1,15 @@
 package ru.ulstu.extractor.ts;
 
 import org.springframework.stereotype.Component;
+import ru.ulstu.extractor.model.TimeSeriesValue;
 import ru.ulstu.extractor.service.TimeSeriesService;
 
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
 @Component
-public class InterfaceTS extends AbstractTSExtractor {
+public class InterfaceTS extends AbstractTimeSeriesCreator {
     private final TimeSeriesService timeSeriesService;
 
     public InterfaceTS(TimeSeriesService timeSeriesService) {
@@ -12,10 +17,15 @@ public class InterfaceTS extends AbstractTSExtractor {
     }
 
     @Override
-    public String getTSName() {
+    public String getTimeSeriesName() {
         return "Количество интерфейсов";
     }
 
+    @Override
+    public Map<String, List<TimeSeriesValue>> getTimeSeriesValues(Integer repositoryId, String branchName) {
+        return new HashMap<>();
+    }
+
     @Override
     public TimeSeriesService getTimeSeriesService() {
         return timeSeriesService;
diff --git a/src/main/java/ru/ulstu/extractor/ts/IssuesTS.java b/src/main/java/ru/ulstu/extractor/ts/IssuesTS.java
index e565172..51ecffd 100644
--- a/src/main/java/ru/ulstu/extractor/ts/IssuesTS.java
+++ b/src/main/java/ru/ulstu/extractor/ts/IssuesTS.java
@@ -1,10 +1,15 @@
 package ru.ulstu.extractor.ts;
 
 import org.springframework.stereotype.Component;
+import ru.ulstu.extractor.model.TimeSeriesValue;
 import ru.ulstu.extractor.service.TimeSeriesService;
 
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
 @Component
-public class IssuesTS extends AbstractTSExtractor {
+public class IssuesTS extends AbstractTimeSeriesCreator {
     private final TimeSeriesService timeSeriesService;
 
     public IssuesTS(TimeSeriesService timeSeriesService) {
@@ -12,12 +17,17 @@ public class IssuesTS extends AbstractTSExtractor {
     }
 
     @Override
-    public String getTSName() {
+    public String getTimeSeriesName() {
         return "Количество issues созданных во времени";
     }
 
+    @Override
+    public Map<String, List<TimeSeriesValue>> getTimeSeriesValues(Integer repositoryId, String branchName) {
+        return new HashMap<>();
+    }
+
     @Override
     public TimeSeriesService getTimeSeriesService() {
-        return null;
+        return timeSeriesService;
     }
 }
diff --git a/src/main/java/ru/ulstu/extractor/ts/ProcessTS.java b/src/main/java/ru/ulstu/extractor/ts/ProcessTS.java
index 03198fa..bc4b322 100644
--- a/src/main/java/ru/ulstu/extractor/ts/ProcessTS.java
+++ b/src/main/java/ru/ulstu/extractor/ts/ProcessTS.java
@@ -1,10 +1,15 @@
 package ru.ulstu.extractor.ts;
 
 import org.springframework.stereotype.Component;
+import ru.ulstu.extractor.model.TimeSeriesValue;
 import ru.ulstu.extractor.service.TimeSeriesService;
 
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
 @Component
-public class ProcessTS extends AbstractTSExtractor {
+public class ProcessTS extends AbstractTimeSeriesCreator {
     private final TimeSeriesService timeSeriesService;
 
     public ProcessTS(TimeSeriesService timeSeriesService) {
@@ -12,10 +17,15 @@ public class ProcessTS extends AbstractTSExtractor {
     }
 
     @Override
-    public String getTSName() {
+    public String getTimeSeriesName() {
         return "Количество процессов";
     }
 
+    @Override
+    public Map<String, List<TimeSeriesValue>> getTimeSeriesValues(Integer repositoryId, String branchName) {
+        return new HashMap<>();
+    }
+
     @Override
     public TimeSeriesService getTimeSeriesService() {
         return timeSeriesService;
diff --git a/src/main/java/ru/ulstu/extractor/ts/StarTS.java b/src/main/java/ru/ulstu/extractor/ts/StarTS.java
index 839e039..38455a3 100644
--- a/src/main/java/ru/ulstu/extractor/ts/StarTS.java
+++ b/src/main/java/ru/ulstu/extractor/ts/StarTS.java
@@ -1,10 +1,15 @@
 package ru.ulstu.extractor.ts;
 
 import org.springframework.stereotype.Component;
+import ru.ulstu.extractor.model.TimeSeriesValue;
 import ru.ulstu.extractor.service.TimeSeriesService;
 
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
 @Component
-public class StarTS extends AbstractTSExtractor {
+public class StarTS extends AbstractTimeSeriesCreator {
     private final TimeSeriesService timeSeriesService;
 
     public StarTS(TimeSeriesService timeSeriesService) {
@@ -12,10 +17,15 @@ public class StarTS extends AbstractTSExtractor {
     }
 
     @Override
-    public String getTSName() {
+    public String getTimeSeriesName() {
         return "Количество звезд";
     }
 
+    @Override
+    public Map<String, List<TimeSeriesValue>> getTimeSeriesValues(Integer repositoryId, String branchName) {
+        return new HashMap<>();
+    }
+
     @Override
     public TimeSeriesService getTimeSeriesService() {
         return timeSeriesService;
diff --git a/src/main/resources/db/changelog-20220621_120000-schema.xml b/src/main/resources/db/changelog-20220621_120000-schema.xml
index 2df5c58..aaccfc8 100644
--- a/src/main/resources/db/changelog-20220621_120000-schema.xml
+++ b/src/main/resources/db/changelog-20220621_120000-schema.xml
@@ -8,4 +8,7 @@
     <changeSet author="orion" id="20220621-120000-2">
         <renameTable oldTableName="repository" newTableName="git_repository"/>
     </changeSet>
+    <changeSet author="orion" id="20221006-120000-1">
+        <dropNotNullConstraint tableName="time_series_value" columnName="time_series_id"/>
+    </changeSet>
 </databaseChangeLog>
\ No newline at end of file