Fixed group not found error not reporting according to issue 118 on G…

…itHub.

graphs/templates/graphs/help_programmers.html

@@ -66,7 +66,7 @@ <h3>REST API calls</h3>
 <li><a href="#create_group">Create group</a></li>
 <li><a href="#remove_group">Remove group</a></li>
 <li><a href="#get_group">Get group</a></li>
- --><li><a href="#get_user_groups">Get groups a user belongs to</a></li>
+<li><a href="#get_user_groups">Get groups a user belongs to</a></li>
 <li><a href="#add_user_to_group">Add user to group</a></li>
 <li><a href="#remove_user_from_group">Remove user from group</a></li>
 <li><a href="#share_graph">Share a graph with a group</a></li>

graphs/util/db.py

@@ -3126,6 +3126,12 @@ def share_graph_with_group(owner, graph, groupId, groupOwner):
 	if graph_exists == None:
 		return "Graph does not exist"
 
+	# Check to see if the group exists
+	group_exists = get_group(groupOwner, groupId)
+
+	if group_exists == None:
+		return "Group does not exist"
+
 	# Create database connection
 	db_session = data_connection.new_session()
 
@@ -3169,6 +3175,12 @@ def unshare_graph_with_group(owner, graph, groupId, groupOwner):
 	if graph_exists == None:
 		return "Graph does not exist!"
 
+	# Check to see if the group exists
+	group_exists = get_group(groupOwner, groupId)
+
+	if group_exists == None:
+		return "Group does not exist"
+
 	# Create database connection
 	db_session = data_connection.new_session()