feat(settings): add settings management (#906)

app/services/api/teamMembershipService.js

@@ -0,0 +1,44 @@
+angular.module('portainer.services')
+.factory('TeamMembershipService', ['$q', 'TeamMemberships', function TeamMembershipFactory($q, TeamMemberships) {
+  'use strict';
+  var service = {};
+
+  service.memberships = function() {
+    var deferred = $q.defer();
+    TeamMemberships.query().$promise
+    .then(function success(data) {
+      var memberships = data.map(function (item) {
+        return new TeamMembershipModel(item);
+      });
+      deferred.resolve(memberships);
+    })
+    .catch(function error(err) {
+      deferred.reject({msg: 'Unable to retrieve team memberships', err: err});
+    });
+    return deferred.promise;
+  };
+
+  service.createMembership = function(userId, teamId, role) {
+    var payload = {
+      UserID: userId,
+      TeamID: teamId,
+      Role: role
+    };
+    return TeamMemberships.create({}, payload).$promise;
+  };
+
+  service.deleteMembership = function(id) {
+    return TeamMemberships.remove({id: id}).$promise;
+  };
+
+  service.updateMembership = function(id, userId, teamId, role) {
+    var payload = {
+      UserID: userId,
+      TeamID: teamId,
+      Role: role
+    };
+    return TeamMemberships.update({id: id}, payload).$promise;
+  };
+
+  return service;
+}]);