Changed serverside mention parsing to support usernames containing periods

api/post.go

@@ -432,20 +432,38 @@ func sendNotificationsAndForget(c *Context, post *model.Post, team *model.Team,
 				splitF := func(c rune) bool {
 					return model.SplitRunes[c]
 				}
-				splitMessage := strings.FieldsFunc(post.Message, splitF)
+				splitMessage := strings.Fields(post.Message)
 				for _, word := range splitMessage {
+					var userIds []string
 
 					// Non-case-sensitive check for regular keys
-					userIds1, keyMatch := keywordMap[strings.ToLower(word)]
+					if ids, match := keywordMap[strings.ToLower(word)]; match {
+						userIds = append(userIds, ids...)
+					}
 
 					// Case-sensitive check for first name
-					userIds2, firstNameMatch := keywordMap[word]
+					if ids, match := keywordMap[word]; match {
+						userIds = append(userIds, ids...)
+					}
 
-					userIds := append(userIds1, userIds2...)
+					if len(userIds) == 0 {
+						// No matches were found with the string split just on whitespace so try further splitting
+						// the message on punctuation
+						splitWords := strings.FieldsFunc(word, splitF)
+
+						for _, splitWord := range splitWords {
+							// Non-case-sensitive check for regular keys
+							if ids, match := keywordMap[strings.ToLower(splitWord)]; match {
+								userIds = append(userIds, ids...)
+							}
+
+							// Case-sensitive check for first name
+							if ids, match := keywordMap[splitWord]; match {
+								userIds = append(userIds, ids...)
+							}
+						}
+					}
 
-					// If one of the non-case-senstive keys or the first name matches the word
-					//  then we add en entry to the sendEmail map
-					if keyMatch || firstNameMatch {
 					for _, userId := range userIds {
 						if post.UserId == userId {
 							continue
@@ -461,7 +479,6 @@ func sendNotificationsAndForget(c *Context, post *model.Post, team *model.Team,
 						}
 					}
 				}
-				}
 
 				for id := range toEmailMap {
 					updateMentionCountAndForget(post.ChannelId, id)