lib/wcc/contentful/app.rb in wcc-contentful-app-0.4.0.pre.rc vs lib/wcc/contentful/app.rb in wcc-contentful-app-1.0.0.pre.rc1

@@ -1,19 +1,62 @@
 # frozen_string_literal: true
 
 require 'wcc/contentful/rails'
 
+require_relative './app/rails'
 require_relative './app/exceptions'
-require_relative './app/model_validators'
-require_relative './ext/model'
+require_relative './app/configuration'
 
 module WCC::Contentful::App
+  class << self
+    attr_reader :initialized
+
+    # Gets the current configuration, after calling WCC::Contentful::App.configure
+    attr_reader :configuration
+  end
+
+  def self.configure
+    if initialized || WCC::Contentful.initialized
+      raise WCC::Contentful::InitializationError, 'Cannot configure after initialization'
+    end
+
+    WCC::Contentful.configure do |wcc_contentful_config|
+      if @configuration&.wcc_contentful_config != wcc_contentful_config
+        @configuration = Configuration.new(wcc_contentful_config)
+      end
+      yield(configuration)
+    end
+
+    configuration.validate!
+
+    configuration
+  end
+
   def self.init!
-    raise ArgumentError, 'Please first call WCC::Contentful.init!' unless WCC::Contentful.types
+    raise ArgumentError, 'Please first call WCC::Contentful::App.configure' if configuration.nil?
 
+    WCC::Contentful.init!
+
     # Extend all model types w/ validation & extra fields
     WCC::Contentful.types.each_value do |t|
       file = File.dirname(__FILE__) + "/model/#{t.name.underscore}.rb"
       require file if File.exist?(file)
     end
+
+    @db_connected =
+      begin
+        ::ActiveRecord::Base.connection_pool.with_connection(&:active?)
+      rescue StandardError
+        false
+      end
+
+    @configuration = WCC::Contentful::App::Configuration::FrozenConfiguration.new(
+      configuration,
+      WCC::Contentful.configuration
+    )
+    @initialized = true
+  end
+
+  def self.db_connected?
+    @db_connected
   end
 end