Code cleanup part #1: move all the services and directive JS code in the app.js file into its own files

static/js/services/avatar-service.js

@@ -0,0 +1,48 @@
+/**
+ * Service which provides helper methods for retrieving the avatars displayed in the app.
+ */
+angular.module('quay').factory('AvatarService', ['Config', '$sanitize', 'md5',
+    function(Config, $sanitize, md5) {
+  var avatarService = {};
+  var cache = {};
+
+  avatarService.getAvatar = function(hash, opt_size) {
+    var size = opt_size || 16;
+    switch (Config['AVATAR_KIND']) {
+      case 'local':
+        return '/avatar/' + hash + '?size=' + size;
+        break;
+
+      case 'gravatar':
+        return '//www.gravatar.com/avatar/' + hash + '?d=identicon&size=' + size;
+        break;
+    }
+  };
+
+  avatarService.computeHash = function(opt_email, opt_name) {
+    var email = opt_email || '';
+    var name = opt_name || '';
+
+    var cacheKey = email + ':' + name;
+    if (!cacheKey) { return '-'; }
+
+    if (cache[cacheKey]) {
+      return cache[cacheKey];
+    }
+
+    var hash = md5.createHash(email.toString().toLowerCase());
+    switch (Config['AVATAR_KIND']) {
+      case 'local':
+        if (name) {
+          hash = name[0] + hash;
+        } else if (email) {
+          hash = email[0] + hash;
+        }
+        break;
+    }
+
+    return cache[cacheKey] = hash;
+  };
+
+  return avatarService;
+}]);