Move widget utility functions in to their own file.

src/utils/widgets.js

@@ -0,0 +1,56 @@
+import MatrixClientPeg from '../MatrixClientPeg';
+
+/**
+ * Get all widgets (user and room) for the current user
+ * @param  {object} room The room to get widgets for
+ * @return {[object]} Array containing current / active room and user widget state events
+ */
+function getWidgets(room) {
+    const widgets = getRoomWidgets(room);
+    widgets.concat(getUserWidgets());
+    return widgets;
+}
+
+/**
+ * Get room specific widgets
+ * @param  {object} room The room to get widgets force
+ * @return {[object]} Array containing current / active room widgets
+ */
+function getRoomWidgets(room) {
+    const appsStateEvents = room.currentState.getStateEvents('im.vector.modular.widgets');
+    if (!appsStateEvents) {
+        return [];
+    }
+
+    return appsStateEvents.filter((ev) => {
+        return ev.getContent().type && ev.getContent().url;
+    });
+}
+
+/**
+ * Get user specific widgets (not linked to a specific room)
+ * @return {[object]} Array containing current / active user widgets
+ */
+function getUserWidgets() {
+    const client = MatrixClientPeg.get();
+    if (!client) {
+        throw new Error('User not logged in');
+    }
+    const userWidgets = client.getAccountData('m.widgets').getContent() || {};
+    return Object.keys(userWidgets).map((key) => userWidgets[key]);
+}
+
+/**
+ * Get active stickerpack widgets (stickerpacks are user widgets by nature)
+ * @return {[object]} Array containing current / active stickerpack widgets
+ */
+function getStickerpackWidgets() {
+    return getUserWidgets().filter((widget) => widget.type='stickerpack');
+}
+
+export default {
+    getWidgets,
+    getRoomWidgets,
+    getUserWidgets,
+    getStickerpackWidgets,
+};