Embed cast custom value data in WP API response

* Update ng work-package-column-directive to render

Signed-off-by: Alex Coles <alex@alexbcoles.com>

app/assets/javascripts/angular/directives/work_packages/work-package-column-directive.js

@@ -51,8 +51,6 @@ angular.module('openproject.workPackages.directives')
           var custom_field = scope.column.custom_field;
 
           scope.displayText = WorkPackagesHelper.getFormattedCustomValue(scope.workPackage, custom_field) || '';
-
-          if (scope.column.meta_data.data_type === 'user') loadUserName();
         } else {
           // custom display types
           if (scope.column.name === 'done_ratio') scope.displayType = 'progress_bar';
@@ -68,20 +66,6 @@ angular.module('openproject.workPackages.directives')
         }
       }
 
-      function loadUserName() {
-        var userId = scope.displayText;
-
-        if(userId) {
-          scope.user = UserService.registerUserId(userId);
-
-          scope.$watch('user.name', function(userName) {
-            // triggered when user data is loaded
-            // TODO replace watcher as soon as data is loaded via a promise chain
-            scope.displayText = userName;
-          });
-        }
-      }
-
       function getLinkFor(link_meta){
         if (link_meta.model_type === 'work_package') {
           return PathHelper.workPackagePath(scope.workPackage.id);

app/assets/javascripts/angular/helpers/components/custom-field-helper.js

@@ -54,10 +54,10 @@ angular.module('openproject.helpers')
         case 'user':
           if (users && users[value]) {
             // try to look up users
-            return users[value].name;
+            return users.name;
           } else {
             // return user id
-            return value;
+            return value.name;
           }
           break;
         case 'int':

app/controllers/api/v3/work_packages_controller.rb

@@ -26,8 +26,6 @@
 # See doc/COPYRIGHT.rdoc for more details.
 #++
 
-
-
 module Api
   module V3
 
@@ -186,7 +184,7 @@ module Api
           work_packages.map do |work_package|
             custom_value = work_package.custom_values.find_by_custom_field_id($1)
             if display
-              work_package.custom_value_display(custom_value)
+              work_package.get_cast_custom_value_with_meta(custom_value)
             else
               custom_field.cast_value custom_value.try(:value)
             end

app/models/work_package.rb

@@ -713,6 +713,18 @@ class WorkPackage < ActiveRecord::Base
     return allowed
   end
 
+
+  def get_cast_custom_value_with_meta(custom_value, custom_field=nil)
+    return unless custom_value
+
+    custom_field ||= custom_value.custom_field
+    {
+      custom_field_id: custom_field.id,
+      field_format: custom_field.field_format, # TODO just return the cast value
+      value: custom_field.field_format == 'user' ? custom_field.cast_value(custom_value.value).as_json(methods: :name) : custom_field.cast_value(custom_value.value)
+    }
+  end
+
   # Begin Custom Value Display Helper Methods
   # TODO RS: This probably isn't the right place for display helpers. It's convenient though to have
   #          the method on the model so that it can be used in the rabl template.
@@ -722,20 +734,9 @@ class WorkPackage < ActiveRecord::Base
 
   def custom_values_display_data(field_names)
     field_names.map do |field_name|
-      custom_value_display(custom_values.find_by_custom_field_id(field_name.to_s.gsub('cf_','')))
-    end
-  end
-
-  def custom_value_display(custom_value)
-    if !custom_value.nil?
-      {
-        custom_field_id: custom_value.custom_field.id,
-        field_format: custom_value.custom_field.field_format,
-        value: custom_value.value
-      }
+      get_cast_custom_value_with_meta(custom_values.find_by_custom_field_id(field_name.to_s.gsub('cf_','')))
     end
   end
-  # End Custom Value Display Helper Methods
 
   protected