Updated some controllers to inherit from EmptyController

• Updated:
- some controllers to inherit from EmptyController

app/controllers/api/v1/account_by_username_controller.rb

@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-class Api::V1::AccountByUsernameController < Api::BaseController
+class Api::V1::AccountByUsernameController < EmptyController
   before_action :set_account
   before_action :check_account_suspension
   before_action :check_account_local

app/controllers/api/v1/custom_emojis_controller.rb

@@ -1,13 +1,8 @@
 # frozen_string_literal: true
 
-class Api::V1::CustomEmojisController < Api::BaseController
-  respond_to :json
-
-  skip_before_action :set_cache_headers
-
+class Api::V1::CustomEmojisController < EmptyController
   def index
-    render_cached_json('api:v1:custom_emojis', expires_in: 1.minute) do
-      ActiveModelSerializers::SerializableResource.new(CustomEmoji.local.where(disabled: false), each_serializer: REST::CustomEmojiSerializer)
-    end
+    data = ActiveModelSerializers::SerializableResource.new(CustomEmoji.local.where(disabled: false), each_serializer: REST::CustomEmojiSerializer)
+    render json: data.to_json, content_type: 'application/json'
   end
 end

app/controllers/api/v1/gab_trends_controller.rb

@@ -1,10 +1,6 @@
 # frozen_string_literal: true
 
-class Api::V1::GabTrendsController < Api::BaseController
-  respond_to :json
-
-  skip_before_action :set_cache_headers
-
+class Api::V1::GabTrendsController < EmptyController
   def index
     if Rails.env != 'development'
       render json: nil

app/controllers/api/v1/group_categories_controller.rb

@@ -1,15 +1,10 @@
 # frozen_string_literal: true
 
-class Api::V1::GroupCategoriesController < Api::BaseController
-  # respond_to :json
-
-  before_action :require_user!
-  skip_before_action :set_cache_headers
+class Api::V1::GroupCategoriesController < EmptyController
 
   def index
-    render_cached_json('api:v1:group_categories', expires_in: 1.minute) do
-      ActiveModelSerializers::SerializableResource.new(GroupCategories.all, each_serializer: REST::GroupCategoriesSerializer)
-    end
+    data = ActiveModelSerializers::SerializableResource.new(GroupCategories.all, each_serializer: REST::GroupCategoriesSerializer)
+    render json: data.to_json, content_type: 'application/json'
   end
 
 end

app/controllers/api/v1/shop_controller.rb

@@ -1,13 +1,11 @@
 # frozen_string_literal: true
 
-class Api::V1::ShopController < Api::BaseController
-  before_action :require_user!
-
-  respond_to :json
-
-  skip_before_action :set_cache_headers
-
+class Api::V1::ShopController < EmptyController
   def index
+    if Rails.env != 'development'
+      render json: nil
+    end
+    
     type = params[:type]
     if type == 'featured_products'
       body = Redis.current.get("gabstore:featuredproducts")

app/controllers/manifests_controller.rb

@@ -1,7 +1,6 @@
 # frozen_string_literal: true
 
-class ManifestsController < ApplicationController
-  skip_before_action :store_current_location
+class ManifestsController < EmptyController
 
   def show
     render json: InstancePresenter.new, serializer: ManifestSerializer