1 files changed, 100 insertions, 0 deletions
diff --git a/web/react/components/suggestion/at_mention_provider.jsx b/web/react/components/suggestion/at_mention_provider.jsx
new file mode 100644
index 000000000..8c2893448
--- /dev/null
+++ b/web/react/components/suggestion/at_mention_provider.jsx
@@ -0,0 +1,100 @@
+// Copyright (c) 2015 Mattermost, Inc. All Rights Reserved.
+// See License.txt for license information.
+
+import SuggestionStore from '../../stores/suggestion_store.jsx';
+import UserStore from '../../stores/user_store.jsx';
+import * as Utils from '../../utils/utils.jsx';
+
+class AtMentionSuggestion extends React.Component {
+    render() {
+        const {item, isSelection, onClick} = this.props;
+
+        let username;
+        let description;
+        let icon;
+        if (item.username === 'all') {
+            username = 'all';
+            description = 'Notifies everyone in the team';
+            icon = <i className='mention-img fa fa-users fa-2x' />;
+        } else if (item.username === 'channel') {
+            username = 'channel';
+            description = 'Notifies everyone in the channel';
+            icon = <i className='mention-img fa fa-users fa-2x' />;
+        } else {
+            username = item.username;
+            description = Utils.getFullName(item);
+            icon = (
+                <img
+                    className='mention-img'
+                    src={'/api/v1/users/' + item.id + '/image?time=' + item.update_at + '&' + Utils.getSessionIndex()}
+                />
+            );
+        }
+
+        let className = 'mentions-name';
+        if (isSelection) {
+            className += ' suggestion--selected';
+        }
+
+        return (
+            <div
+                className={className}
+                onClick={onClick}
+            >
+                <div className='pull-left'>
+                    {icon}
+                </div>
+                <div className='pull-left mention-align'>
+                    <span>
+                        {'@' + username}
+                    </span>
+                    <span className='mention-fullname'>
+                        {description}
+                    </span>
+                </div>
+            </div>
+        );
+    }
+}
+
+AtMentionSuggestion.propTypes = {
+    item: React.PropTypes.object.isRequired,
+    isSelection: React.PropTypes.bool,
+    onClick: React.PropTypes.func
+};
+
+export default class AtMentionProvider {
+    handlePretextChanged(suggestionId, pretext) {
+        const captured = (/@([a-z0-9\-\._]*)$/i).exec(pretext);
+        if (captured) {
+            const usernamePrefix = captured[1];
+
+            const users = UserStore.getProfiles();
+            let filtered = [];
+
+            for (const id of Object.keys(users)) {
+                const user = users[id];
+
+                if (user.username.startsWith(usernamePrefix)) {
+                    filtered.push(user);
+                }
+            }
+
+            // add dummy users to represent the @all and @channel special mentions
+            if ('all'.startsWith(usernamePrefix)) {
+                filtered.push({username: 'all'});
+            }
+
+            if ('channel'.startsWith(usernamePrefix)) {
+                filtered.push({username: 'channel'});
+            }
+
+            filtered = filtered.sort((a, b) => a.username.localeCompare(b.username));
+
+            const mentions = filtered.map((user) => '@' + user.username);
+
+            SuggestionStore.setMatchedPretext(suggestionId, captured[0]);
+            SuggestionStore.addSuggestions(suggestionId, mentions, filtered, AtMentionSuggestion);
+        }
+    }
+}