From 9c5a5d94921afc875700aefd747dafe80152b38f Mon Sep 17 00:00:00 2001
From: wvengen <dev-voko@willem.engen.nl>
Date: Sat, 13 Oct 2018 15:18:55 +0200
Subject: [PATCH] API v1 config endpoint

---
 app/controllers/api/v1/configs_controller.rb |  7 ++++
 app/serializers/config_serializer.rb         | 39 ++++++++++++++++++++
 config/routes.rb                             |  1 +
 lib/foodsoft_config.rb                       |  3 ++
 4 files changed, 50 insertions(+)
 create mode 100644 app/controllers/api/v1/configs_controller.rb
 create mode 100644 app/serializers/config_serializer.rb

diff --git a/app/controllers/api/v1/configs_controller.rb b/app/controllers/api/v1/configs_controller.rb
new file mode 100644
index 000000000..3ba0ed4b3
--- /dev/null
+++ b/app/controllers/api/v1/configs_controller.rb
@@ -0,0 +1,7 @@
+class Api::V1::ConfigsController < Api::V1::BaseController
+
+  def show
+    render json: FoodsoftConfig, serializer: ConfigSerializer, root: 'config'
+  end
+
+end
diff --git a/app/serializers/config_serializer.rb b/app/serializers/config_serializer.rb
new file mode 100644
index 000000000..a196a372d
--- /dev/null
+++ b/app/serializers/config_serializer.rb
@@ -0,0 +1,39 @@
+class ConfigSerializer < ActiveModel::Serializer
+
+  # details
+  attributes :name, :homepage, :contact
+
+  # settings
+  attributes :currency_unit, :currency_space, :default_locale, :price_markup,
+             :tolerance_is_costly, :use_apple_points, :use_tolerance
+
+  # layout
+  attributes :page_footer_html, :webstats_tracking_code_html
+
+  # help and version
+  attributes :applepear_url, :help_url, :foodsoft
+
+
+  def foodsoft
+    {
+      version: Foodsoft::VERSION,
+      revision: Foodsoft::REVISION,
+      url: object[:foodsoft_url]
+    }
+  end
+
+  def page_footer_html
+    # also see footer layout
+    if FoodsoftConfig[:page_footer].present?
+      FoodsoftConfig[:page_footer]
+    elsif FoodsoftConfig[:homepage].present?
+      ActionController::Base.helpers.link_to(FoodsoftConfig[:name], FoodsoftConfig[:homepage])
+    else
+      FoodsoftConfig[:name]
+    end
+  end
+
+  def webstats_tracking_code_html
+    FoodsoftConfig[:webstats_tracking_code].presence
+  end
+end
diff --git a/config/routes.rb b/config/routes.rb
index 0dc225965..0f9dd5f25 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -246,6 +246,7 @@
     namespace :api do
       namespace :v1 do
         resource :user, only: [:show]
+        resource :config, only: [:show]
       end
     end
 
diff --git a/lib/foodsoft_config.rb b/lib/foodsoft_config.rb
index 688872ce3..c4d4a3eba 100644
--- a/lib/foodsoft_config.rb
+++ b/lib/foodsoft_config.rb
@@ -180,6 +180,9 @@ def to_hash
       Hash[keys.map {|k| [k, self[k]]} ]
     end
 
+    # for using active_model_serializer in the api/v1/configs controller
+    alias :read_attribute_for_serialization :[]
+
     protected
 
     # @!attribute default_config