Add mixins.

app/coffee/modules/controllerMixins.coffee

@@ -0,0 +1,45 @@
+###
+# Copyright (C) 2014 Andrey Antukh <niwi@niwi.be>
+# Copyright (C) 2014 Jesús Espino Garcia <jespinog@gmail.com>
+# Copyright (C) 2014 David Barragán Merino <bameda@dbarragan.com>
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as
+# published by the Free Software Foundation, either version 3 of the
+# License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+# File: modules/controllerMixins.coffee
+###
+
+class PageMixin
+    loadUsersAndRoles: ->
+        promise = @q.all([
+            @rs.projects.usersList(@scope.projectId),
+            @rs.projects.rolesList(@scope.projectId)
+        ])
+
+        return promise.then (results) =>
+            [users, roles] = results
+
+            @scope.users = _.sortBy(users, "id")
+            @scope.roles = roles
+
+            @scope.usersById = {}
+            _.each(users, (x) => @scope.usersById[x.id] = x)
+
+            availableRoles = _(@scope.project.memberships).map("role").uniq().value()
+            @scope.computableRoles = _(roles).filter("computable")
+                                             .filter((x) -> _.contains(availableRoles, x.id))
+                                             .value()
+            return results
+
+taiga = @.taiga
+taiga.PageMixin = PageMixin