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gaia/apps/communications/contacts/js/fb_resolver.js

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+'use strict';
+/* global contacts */
+/* global LazyLoader */
+
+var fb = window.fb || {};
+
+fb.resolver = function(item, loader) {
+  var FB_SCRIPTS_NEEDED = [
+    '/shared/js/fb/fb_request.js',
+    '/shared/js/fb/fb_data_reader.js',
+    '/shared/js/fb/fb_reader_utils.js'
+  ];
+
+  var status = item.dataset.status;
+  var isFbContact = 'fbUid' in item.dataset;
+  var EMPTY_OBJ = {};
+
+  if (isFbContact && status !== 'pending' && status !== 'loaded') {
+    item.dataset.status = 'pending';
+
+    LazyLoader.load(FB_SCRIPTS_NEEDED, function() {
+      var fbReq = fb.contacts.get(item.dataset.fbUid);
+      fbReq.onsuccess = function() {
+        var fbData = fbReq.result;
+        if (fbData) {
+          var id = item.dataset.uuid;
+          var hasPhoto = contacts.List.hasPhoto(id);
+          var renderPhoto = false;
+          if (!hasPhoto) {
+            renderPhoto = contacts.List.updatePhoto(fbData, id);
+          } else {
+            renderPhoto = true;
+          }
+          if (renderPhoto) {
+            contacts.List.renderPhoto(item, id);
+            document.dispatchEvent(new CustomEvent('onupdate'));
+          }
+
+          item.dataset.status = 'loaded';
+
+          // The organization is also loaded
+          var contactObj = EMPTY_OBJ;
+          // If there is no local org we render the FB org
+          if (!item.querySelector('span.org')) {
+            var org = fbData.org;
+            if (Array.isArray(org)) {
+              contactObj = {
+                org: org
+              };
+            }
+          }
+          contacts.List.renderFbData(contactObj, item);
+        } else {
+          window.console.warn('FB Data could not be retrieved by the resolver',
+                              'for UID: ', item.dataset.fbUid);
+          item.dataset.status = 'loaded';
+        }
+      };
+
+      fbReq.onerror = function() {
+        item.dataset.status = 'error';
+      };
+   });
+  } else if (status === 'loaded' || !isFbContact) {
+    loader.defaultLoad(item);
+  }
+};