Added profile model.

js/models/profile.js

@@ -0,0 +1,43 @@
+/* global storage */
+/* global storage: false */
+
+/* eslint-disable more/no-then */
+
+// eslint-disable-next-line func-names
+(function() {
+  'use strict';
+
+  window.Whisper = window.Whisper || {};
+
+  const PROFILE_ID = 'profiles';
+
+  storage.getProfile = number => {
+    const profiles = storage.get(PROFILE_ID, {});
+    return profiles[number] || null;
+  }
+
+  storage.saveProfile = async (number, profile) => {
+    const profiles = storage.get(PROFILE_ID, {});
+    if (profiles[number]) {
+      return;
+    }
+
+    window.log.info('adding profile ', profile, 'for ', number);
+    await storage.put(PROFILE_ID, {
+      ...profiles,
+      number: profile,
+    });
+  }
+
+  storage.removeProfile = async number => {
+    const profiles = storage.get(PROFILE_ID, {});
+    if (!profiles[number]) {
+      return;
+    }
+
+    delete profiles[number];
+
+    window.log.info('removing profile for ', number);
+    await storage.put(PROFILE_ID, profiles);
+  }
+})();