This is a sample Angular controller demonstrating a possible way to organize your CRUD operations.

SampleAngularCtrl

'use strict';

angular.module('app.photo')

.controller('EditPhotoCtrl', function($scope, $state, $location, $window,
  UserService, PhotoService, UtilitiesService) {

  /**
   * INIT VALUES
   */

  var ctrl = this;
  var utils = UtilitiesService;

  /**
   * PRIVATE METHODS
   * methods used only in ctrl
   */

  ctrl._resizePhoto = function() { ... }
  
  /**
   * METHODS USED IN VIEW
   */
  
  ctrl.showSomething = function(arg) { ... }
  ctrl.clearForm = function() { ... }
  ctrl.resetForm = function() { ... }

  /**
   * CRUD
   */
   
  ctrl.update = {
    success: function(data) {
      $scope.photo = data;
      $scope.loading = false;
      $location.path('/photo/' + $scope.photo.id);
    },

    error: function(error) {
      $scope.loading = false;
    },

    invoke: function(photo, id) {
      $scope.loading = true;
      var formData = utils.createFormData(photo);

      PhotoService.updatePhoto(formData, id)
        .then(this.success, this.error);
    }
  };

  ctrl.get = {
    success: function(data) {
      $scope.photos = data;
    },

    invoke: function() {
      UserService.getAccount()
        .then(this.success);
    }
  };

  ctrl.get.invoke();
  
  /**
   * WATCHES
   */
  
  $scope.$watch('something', function() { ... });

});