watchers and assignees blobs created, no commands for them yet

src/main/java/git/IssueReader.java

@@ -101,8 +101,16 @@ class IssueReader {
                 buildComment(issue, path, data);
                 break;
             case "tags":
-                issue.setTags(mapper.readValue(data, new TypeReference<Set<User>>(){}));
+                issue.setTags(mapper.readValue(data, new TypeReference<Set<User>>() {
+                }));
                 break;
+            case "watchers":
+                issue.setWatchers(mapper.readValue(data, new TypeReference<Set<User>>() {
+                }));
+                break;
+            case "assignees":
+                issue.setAssignees(mapper.readValue(data, new TypeReference<Set<User>>() {
+                }));
             default:
                 //ignore
                 break;

src/main/java/git/IssueTreeBuilder.java

@@ -22,6 +22,7 @@ class IssueTreeBuilder {
 
         TreeFormatter issueTreeFormatter = new TreeFormatter();
 
+        byte[] assigneesJson = mapper.writeValueAsBytes(issue.getAssignees());
         byte[] creationTimeJson = mapper.writeValueAsBytes(issue.getCreationTime());
         byte[] creatorJson = mapper.writeValueAsBytes(issue.getCreator());
         byte[] descriptionJson = mapper.writeValueAsBytes(issue.getDescription());
@@ -29,7 +30,10 @@ class IssueTreeBuilder {
         byte[] statusJson = mapper.writeValueAsBytes(issue.isOpen());
         byte[] tagsJsonBytes = mapper.writeValueAsBytes(issue.getTags());
         byte[] titleJson = mapper.writeValueAsBytes(issue.getTitle());
+        byte[] watchersJson  = mapper.writeValueAsBytes(issue.getWatchers());
 
+
+        ObjectId assignees = oi.insert(Constants.OBJ_BLOB, assigneesJson);
         ObjectId comments = buildCommentTree(issue.getComments());
         ObjectId creationTime = oi.insert(Constants.OBJ_BLOB, creationTimeJson);
         ObjectId creator = oi.insert(Constants.OBJ_BLOB, creatorJson);
@@ -38,7 +42,9 @@ class IssueTreeBuilder {
         ObjectId status = oi.insert(Constants.OBJ_BLOB, statusJson);
         ObjectId tags = oi.insert(Constants.OBJ_BLOB, tagsJsonBytes);
         ObjectId title = oi.insert(Constants.OBJ_BLOB, titleJson);
+        ObjectId watchers = oi.insert(Constants.OBJ_BLOB, watchersJson);
 
+        issueTreeFormatter.append("assignees", FileMode.REGULAR_FILE, assignees);
         issueTreeFormatter.append("comments", FileMode.TREE, comments);
         issueTreeFormatter.append("creationTime", FileMode.REGULAR_FILE, creationTime);
         issueTreeFormatter.append("creator", FileMode.REGULAR_FILE, creator);
@@ -47,7 +53,7 @@ class IssueTreeBuilder {
         issueTreeFormatter.append("status", FileMode.REGULAR_FILE, status);
         issueTreeFormatter.append("tags", FileMode.REGULAR_FILE, tags);
         issueTreeFormatter.append("title", FileMode.REGULAR_FILE, title);
-
+        issueTreeFormatter.append("watchers", FileMode.REGULAR_FILE, watchers);
 
         return oi.insert(Constants.OBJ_TREE, issueTreeFormatter.toByteArray());
     }

src/main/java/issueData/Issue.java

@@ -6,10 +6,10 @@ import java.util.*;
 
 public class Issue {
 
-    private Set<String> tags;
     private List<Comment> comments;
-    private List<User> assignees;
-    private List<User> watchers;
+    private Set<String> tags;
+    private Set<User> assignees;
+    private Set<User> watchers;
     private String title;
     private String description;
     private User creator;
@@ -28,15 +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<>();
+        this.assignees = new HashSet<>();
+        this.watchers = new HashSet<>();
     }
 
     public Issue() {
         comments = new ArrayList<>();
         tags = new HashSet<>();
-        assignees = new ArrayList<>();
-        watchers = new ArrayList<>();
+        assignees = new HashSet<>();
+        watchers = new HashSet<>();
     }
 
     public void edited() {
@@ -79,26 +79,30 @@ public class Issue {
         watchers.add(user);
     }
 
-    public List<User> getWatchers(){
+    public Set<User> getWatchers() {
         return watchers;
     }
 
-    public void removeWatcher(User user){
+    public void removeWatcher(User user) {
         watchers.remove(user);
     }
 
+    public void setWatchers(Set<User> watchers) {this.watchers = watchers;}
+
     public void addAssignee(User user) {
         assignees.add(user);
     }
 
-    public List<User> getAssignees(){
+    public Set<User> getAssignees() {
         return assignees;
     }
 
-    public void removeAssignee(User user){
+    public void removeAssignee(User user) {
         assignees.remove(user);
     }
 
+    public void setAssignees(Set<User> assignees) {this.assignees = assignees;}
+
     public void addTags(String tag) {
         List<String> strings = Arrays.asList(tag.split("\\s*,\\s*"));
         strings.forEach(t -> {
@@ -108,7 +112,7 @@ public class Issue {
         });
     }
 
-    public void addTag(String tag){
+    public void addTag(String tag) {
         tags.add(tag);
     }
 
@@ -126,7 +130,7 @@ public class Issue {
         return tags;
     }
 
-    public void setTags(Set<String> tags){
+    public void setTags(Set<String> tags) {
         this.tags = tags;
     }
 

src/main/java/issueData/User.java

@@ -12,7 +12,8 @@ public class User {
         this.email = email;
     }
 
-    public User(){}
+    public User() {
+    }
 
     @Override
     public boolean equals(Object o) {