1 files changed, 71 insertions, 0 deletions
diff --git a/web/react/components/search_channel_provider.jsx b/web/react/components/search_channel_provider.jsx
new file mode 100644
index 000000000..5c7ffac2e
--- /dev/null
+++ b/web/react/components/search_channel_provider.jsx
@@ -0,0 +1,71 @@
+// Copyright (c) 2015 Mattermost, Inc. All Rights Reserved.
+// See License.txt for license information.
+
+import ChannelStore from '../stores/channel_store.jsx';
+import Constants from '../utils/constants.jsx';
+import SuggestionStore from '../stores/suggestion_store.jsx';
+
+class SearchChannelSuggestion extends React.Component {
+    render() {
+        const {item, isSelection, onClick} = this.props;
+
+        let className = 'search-autocomplete__item';
+        if (isSelection) {
+            className += ' selected';
+        }
+
+        return (
+            <div
+                onClick={onClick}
+                className={className}
+            >
+                {item.name}
+            </div>
+        );
+    }
+}
+
+SearchChannelSuggestion.propTypes = {
+    item: React.PropTypes.object.isRequired,
+    isSelection: React.PropTypes.bool,
+    onClick: React.PropTypes.func
+};
+
+class SearchChannelProvider {
+    handlePretextChanged(suggestionId, pretext) {
+        const captured = (/\b(?:in|channel):\s*(\S*)$/i).exec(pretext);
+        if (captured) {
+            const channelPrefix = captured[1];
+
+            const channels = ChannelStore.getAll();
+            const publicChannels = [];
+            const privateChannels = [];
+
+            for (const id of Object.keys(channels)) {
+                const channel = channels[id];
+
+                // don't show direct channels
+                if (channel.type !== Constants.DM_CHANNEL && channel.name.startsWith(channelPrefix)) {
+                    if (channel.type === Constants.OPEN_CHANNEL) {
+                        publicChannels.push(channel);
+                    } else {
+                        privateChannels.push(channel);
+                    }
+                }
+            }
+
+            publicChannels.sort((a, b) => a.name.localeCompare(b.name));
+            const publicChannelNames = publicChannels.map((channel) => channel.name);
+
+            privateChannels.sort((a, b) => a.name.localeCompare(b.name));
+            const privateChannelNames = privateChannels.map((channel) => channel.name);
+
+            SuggestionStore.setMatchedPretext(suggestionId, channelPrefix);
+
+            SuggestionStore.addSuggestions(suggestionId, publicChannelNames, publicChannels, SearchChannelSuggestion);
+            SuggestionStore.addSuggestions(suggestionId, privateChannelNames, privateChannels, SearchChannelSuggestion);
+        }
+    }
+}
+
+export default new SearchChannelProvider();
+\ No newline at end of file