reset point before json only in treebuildeer

questions

@@ -10,4 +10,6 @@ when github central server gets pushed send emails, subscribers get emailed, pos
 
 edit time on merge
 
-truncate the input
\ No newline at end of file
+truncate the input
+
+filter comments by time
\ No newline at end of file

src/main/java/git/IssueTreeBuilder.java

 package git;
 
+import com.fasterxml.jackson.databind.ObjectMapper;
 import issueData.Comment;
 import issueData.Issue;
 import org.eclipse.jgit.lib.*;
 
 import java.io.IOException;
-import java.util.Iterator;
 import java.util.List;
-import java.util.Set;
 
 class IssueTreeBuilder {
 
     private final ObjectInserter oi;
+    private ObjectMapper mapper = new ObjectMapper();
 
     IssueTreeBuilder(Repository repository) {
         this.oi = new ObjectInserter(repository);
     }
 
     ObjectId buildIssueTree(Issue issue) throws IOException {
+
         TreeFormatter issueTreeFormatter = new TreeFormatter();
 
-        ObjectId title = oi.insert(Constants.OBJ_BLOB, issue.getTitle().getBytes());
-        ObjectId description = oi.insert(Constants.OBJ_BLOB, issue.getDescription().getBytes());
-        ObjectId creator = oi.insert(Constants.OBJ_BLOB, (issue.getCreator().name + "\n" + issue.getCreator().email).getBytes());
-        ObjectId status = oi.insert(Constants.OBJ_BLOB, String.valueOf(issue.isOpen()).getBytes());
-        ObjectId creationTime = oi.insert(Constants.OBJ_BLOB, String.valueOf(issue.getCreationTime()).getBytes());
-        ObjectId editTime = oi.insert(Constants.OBJ_BLOB, String.valueOf(issue.getEdited()).getBytes());
-        ObjectId tags = oi.insert(Constants.OBJ_BLOB, buildTagString(issue.getTags()).getBytes());
+        byte[] titleJson = mapper.writeValueAsBytes(issue.getTitle());
+        byte[] descriptionJson = mapper.writeValueAsBytes(issue.getDescription());
+        byte[] creatorJson = mapper.writeValueAsBytes(issue.getCreator());
+        byte[] statusJson = mapper.writeValueAsBytes(issue.isOpen());
+        byte[] creationTimeJson = mapper.writeValueAsBytes(issue.getCreationTime());
+        byte[] editTimeJson = mapper.writeValueAsBytes(issue.getEdited());
+        byte[] tagsJsonBytes = mapper.writeValueAsBytes(issue.getTags());
+
+        ObjectId title = oi.insert(Constants.OBJ_BLOB, titleJson);
+        ObjectId description = oi.insert(Constants.OBJ_BLOB, descriptionJson);
+        ObjectId creator = oi.insert(Constants.OBJ_BLOB, creatorJson);
+        ObjectId status = oi.insert(Constants.OBJ_BLOB, statusJson);
+        ObjectId creationTime = oi.insert(Constants.OBJ_BLOB, creationTimeJson);
+        ObjectId editTime = oi.insert(Constants.OBJ_BLOB, editTimeJson);
+        ObjectId tags = oi.insert(Constants.OBJ_BLOB, tagsJsonBytes);
         ObjectId comments = buildCommentTree(issue.getComments());
 
 
@@ -48,9 +57,14 @@ class IssueTreeBuilder {
         for (Comment comment : comments) {
 
             TreeFormatter commentTreeFormatter = new TreeFormatter();
-            ObjectId author = oi.insert(Constants.OBJ_BLOB, (comment.getAuthor().name + "\n" + comment.getAuthor().name).getBytes());
-            ObjectId message = oi.insert(Constants.OBJ_BLOB, comment.getMessage().getBytes());
-            ObjectId commentTime = oi.insert(Constants.OBJ_BLOB, String.valueOf(comment.getCreationTime()).getBytes());
+
+            byte[] authorJson = mapper.writeValueAsBytes(comment.getAuthor());
+            byte[] messageJson = mapper.writeValueAsBytes(comment.getMessage());
+            byte[] commentTimeJson = mapper.writeValueAsBytes(comment.getCreationTime());
+
+            ObjectId author = oi.insert(Constants.OBJ_BLOB, authorJson);
+            ObjectId message = oi.insert(Constants.OBJ_BLOB, messageJson);
+            ObjectId commentTime = oi.insert(Constants.OBJ_BLOB, commentTimeJson);
 
             commentTreeFormatter.append("author", FileMode.REGULAR_FILE, author);
             commentTreeFormatter.append("commentTime", FileMode.REGULAR_FILE, commentTime);
@@ -64,23 +78,5 @@ class IssueTreeBuilder {
 
         return oi.insert(Constants.OBJ_TREE, allCommentTreeFormatter.toByteArray());
     }
-
-    private String buildTagString(Set<String> tags) {
-        StringBuilder stringBuilder = new StringBuilder();
-        Iterator<String> iterator = tags.iterator();
-
-        if (!iterator.hasNext()) {
-            return "";
-        }
-
-        for (; ; ) {
-            stringBuilder.append(iterator.next());
-            if (!iterator.hasNext()) {
-                return stringBuilder.toString();
-            }
-            stringBuilder.append(", ");
-        }
-    }
-
-
+    
 }

src/main/java/issueData/Issue.java

@@ -8,6 +8,8 @@ public class Issue {
 
     private final Set<String> tags;
     private final List<Comment> comments;
+    private List<User> assignees;
+    private List<User> watchers;
     private String title;
     private String description;
     private User creator;
@@ -26,11 +28,15 @@ public class Issue {
         this.originalHash = DigestUtils.sha256Hex(title + description + creationTime);
         this.comments = new ArrayList<>();
         this.tags = new HashSet<>();
+        this.assignees = new ArrayList<>();
+        this.watchers = new ArrayList<>();
     }
 
     public Issue() {
         comments = new ArrayList<>();
         tags = new HashSet<>();
+        assignees = new ArrayList<>();
+        watchers = new ArrayList<>();
     }
 
     public void edited() {
@@ -69,6 +75,30 @@ public class Issue {
         return comments;
     }
 
+    public void addWatcher(User user) {
+        watchers.add(user);
+    }
+
+    public List<User> getWatchers(){
+        return watchers;
+    }
+
+    public void removeWatcher(User user){
+        watchers.remove(user);
+    }
+
+    public void addAssignee(User user) {
+        assignees.add(user);
+    }
+
+    public List<User> getAssignees(){
+        return assignees;
+    }
+
+    public void removeAssignee(User user){
+        assignees.remove(user);
+    }
+    
     public void addTag(String tag) {
         List<String> strings = Arrays.asList(tag.split("\\s*,\\s*"));
         strings.forEach(t -> {