Add preset dropdown for tags

assets/javascripts/discourse/components/wizard-custom-field.js.es6

@@ -21,6 +21,9 @@ export default Ember.Component.extend({
       },{
         id: 'groups',
         name: I18n.t('admin.wizard.field.choices_preset.groups')
+      },{
+        id: 'tags',
+        name: I18n.t('admin.wizard.field.choices_preset.tags')
       }
     ];
   },

config/locales/client.en.yml

@@ -99,6 +99,7 @@ en:
             label: "Preset"
             categories: "Categories"
             groups: "Groups"
+            tags: "Tags"
             filter: "Preset Filter"
           choice:
             value: "Value"

lib/builder.rb

@@ -1,3 +1,5 @@
+TagStruct = Struct.new(:id, :name)
+
 class CustomWizard::Builder
 
   attr_accessor :wizard, :updater, :submissions
@@ -237,7 +239,8 @@ class CustomWizard::Builder
       end
     elsif field_template['choices_preset'] && field_template['choices_preset'].length > 0
       objects = []
-      site = Site.new(Guardian.new(@wizard.user))
+      guardian = Guardian.new(@wizard.user)
+      site = Site.new(guardian)
 
       if field_template['choices_preset'] === 'categories'
         objects = site.categories
@@ -247,6 +250,10 @@ class CustomWizard::Builder
         objects = site.groups
       end
 
+      if field_template['choices_preset'] === 'tags'
+        objects = Tag.top_tags(guardian: guardian).map { |tag| TagStruct.new(tag,tag) }
+      end
+
       if field_template['choices_filters'] && field_template['choices_filters'].length > 0
         field_template['choices_filters'].each do |f|
           objects.reject! do |o|