lib/panda_pal.rb in panda_pal-5.4.0.beta7 vs lib/panda_pal.rb in panda_pal-5.4.0.beta8

@@ -11,10 +11,11 @@
   @@lti_navigation = {}
   @@lti_options = {}
   @@lti_properties = {}
   @@lti_environments = {}
   @@lti_custom_params = {}
+  @@extensions = {}
   @@lti_private_key = nil
 
   def self.lti_options= lti_options
     @@lti_options = lti_options
   end
@@ -68,12 +69,34 @@
 
   def self.lti_private_key=(v)
     @@lti_private_key = k
   end
 
+  def self.register_extension(type, modul)
+    type = normalize_ext_type(type)
+    @@extensions[type] ||= []
+    @@extensions[type] << modul
+  end
+
+  def self.extensions_for(type)
+    (@@extensions[normalize_ext_type(type)] || []).uniq
+  end
+
+  def self.resolved_extensions_for(type)
+    extensions_for(type).map do |ext|
+      ext.to_s.safe_constantize
+    end.compact
+  end
+
   private
 
+  def self.normalize_ext_type(type)
+    type = type.to_s
+    type = "#{self.to_s}::#{type}" unless type.starts_with?('::') || type.starts_with?(self.to_s)
+    type
+  end
+
   def self.validate_pandapal_config!
     errors = []
     validate_lti_navigation(errors)
     if errors.present?
       lines = errors.map { |e| " - #{e}" }
@@ -87,5 +110,7 @@
       errors << "lti navigation '#{k}' does not have a Route!" unless (LaunchUrlHelpers.launch_url(k) rescue nil)
     end
     errors
   end
 end
+
+PandaPal.register_extension 'Organization', '::OrganizationExtension'