2 files changed, 70 insertions, 2 deletions
diff --git a/pygithub3/resources/base.py b/pygithub3/resources/base.py
index 7045529..4c65b8b 100644
--- a/pygithub3/resources/base.py
+++ b/pygithub3/resources/base.py
@@ -1,8 +1,12 @@
 #!/usr/bin/env python
 # -*- encoding: utf-8 -*-
 
+from datetime import datetime
+
 from pygithub3.core.utils import json
 
+GITHUB_DATE_FORMAT = '%Y-%m-%dT%H:%M:%SZ'
+
 
 class Resource(object):
 
@@ -44,9 +48,8 @@ class Resource(object):
             return wrapper
 
         def parse_date(string_date):
-            from datetime import datetime
             try:
-                date = datetime.strptime(string_date, '%Y-%m-%dT%H:%M:%SZ')
+                date = datetime.strptime(string_date, GITHUB_DATE_FORMAT)
             except TypeError:
                 date = None
             return date
diff --git a/pygithub3/resources/issues.py b/pygithub3/resources/issues.py
new file mode 100644
index 0000000..b2301a6
--- /dev/null
+++ b/pygithub3/resources/issues.py
@@ -0,0 +1,65 @@
+#!/usr/bin/env python
+# -*- encoding: utf-8 -*-
+
+import re
+
+from .base import Resource
+from .users import User
+from .pull_requests import PullRequest
+
+
+class Label(Resource):
+
+    @staticmethod
+    def is_valid_color(color):
+        valid_color = re.compile(r'[0-9abcdefABCDEF]{6}')
+        match = valid_color.match(color)
+        if match is None:
+            return False
+        return match.start() == 0 and match.end() == len(color)
+
+    def __str__(self):
+        return '<Label (%s)>' % getattr(self, 'name', '')
+
+
+class Milestone(Resource):
+
+    _dates = ('created_at', 'due_on')
+    _maps = {'creator': User}
+
+    def __str__(self):
+        return '<Milestone (%s)>' % getattr(self, 'title', '')
+
+
+class Issue(Resource):
+
+    _dates = ('created_at', 'updated_at', 'closed_at')
+    _maps = {
+        'assignee': User,
+        'user': User,
+        'milestone': Milestone,
+        'pull_request': PullRequest
+    }
+
+    _collection_maps = {'labels': Label}
+
+    def __str__(self):
+        return '<Issue (%s)>' % getattr(self, 'number', '')
+
+
+class Comment(Resource):
+
+    _dates = ('created_at', 'updated_at')
+    _maps = {'user': User}
+
+    def __str__(self):
+        return '<Comment (%s)>' % (getattr(self, 'user', ''))
+
+
+class Event(Resource):
+
+    _dates = ('created_at', )
+    _maps = {'actor': User, 'issue': Issue}
+
+    def __str__(self):
+        return '<Event (%s)>' % (getattr(self, 'commit_id', ''))