Add new endpoint to get bug details as JSON.

dashboard/dashboard/services/issue_tracker_service.py

Index: dashboard/dashboard/services/issue_tracker_service.py
diff --git a/dashboard/dashboard/services/issue_tracker_service.py b/dashboard/dashboard/services/issue_tracker_service.py
index 887b0da159cb2169b315250ad439ad4137ca3f8e..a4c3f51301c7bf5182ed103f34bf8893423b9ff8 100644
--- a/dashboard/dashboard/services/issue_tracker_service.py
+++ b/dashboard/dashboard/services/issue_tracker_service.py
@@ -170,6 +170,26 @@ class IssueTrackerService(object):
     logging.error('Failed to create new bug; response %s', response)
     return None
 
+  def GetIssueComments(self, bug_id):
+    """Gets all the comments for the given bug.
+
+    Args:
+      bug_id: Bug ID of the issue to update.
+
+    Returns:
+      A list of comments
+    """
+    if not bug_id or bug_id < 0:
+      return None
+    response = self._MakeGetCommentsRequest(bug_id)
+    if not response:
+      return None
+    return [{
+        'author': r['author'].get('name'),
+        'content': r['content'],
+        'published': r['published']
+        } for r in response.get('items')]
+
   def GetLastBugCommentsAndTimestamp(self, bug_id):
     """Gets last updated comments and timestamp in the given bug.