Use Api.js to handle api calls to gitlab

app/assets/javascripts/api.js.coffee

@@ -0,0 +1,53 @@
+@Api =
+  users_path: "/api/:version/users.json"
+  user_path: "/api/:version/users/:id.json"
+  notes_path: "/api/:version/projects/:id/notes.json"
+
+  # Get 20 (depends on api) recent notes 
+  # and sort the ascending from oldest to newest
+  notes: (project_id, callback) ->
+    url = Api.buildUrl(Api.notes_path)
+    url = url.replace(':id', project_id)
+    
+    $.ajax(
+      url: url,
+      data:
+        private_token: gon.api_token
+        gfm: true
+        recent: true
+      dataType: "json"
+    ).done (notes) ->
+      notes.sort (a, b) ->
+        return a.id - b.id
+      callback(notes)
+
+  user: (user_id, callback) ->
+    url = Api.buildUrl(Api.user_path)
+    url = url.replace(':id', user_id)
+
+    $.ajax(
+      url: url
+      data:
+        private_token: gon.api_token
+      dataType: "json"
+    ).done (user) ->
+      callback(user)
+
+  # Return users list. Filtered by query
+  # Only active users retrieved
+  users: (query, callback) ->
+    url = Api.buildUrl(Api.users_path)
+    
+    $.ajax(
+      url: url
+      data:
+        private_token: gon.api_token
+        search: query
+        per_page: 20
+        active: true
+      dataType: "json"
+    ).done (users) ->
+      callback(users)
+
+  buildUrl: (url) ->
+    return url.replace(':version', gon.api_version)