Module: Lettr::ObjectConverter

Included in:
ApiMailing
Defined in:
lib/lettr/object_converter.rb

Instance Method Summary collapse

Instance Method Details

#evaluate_collections ⇒ Object 



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# File 'lib/lettr/object_converter.rb', line 56

def evaluate_collections
  @collections.each do |key, collection|
    collection.evaluate
  end
end

#handle_collection_variable(variable_name, full_variable_name) ⇒ Object 



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# File 'lib/lettr/object_converter.rb', line 66

def handle_collection_variable variable_name, full_variable_name
  @collections[variable_name].add_variable(full_variable_name)
end

#handle_methods(methods, hash) ⇒ Object 



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# File 'lib/lettr/object_converter.rb', line 14

def handle_methods methods, hash
  method_call = methods.last
  context = hash
  object_context = @delivery_options
  methods.each_with_index do |method, index|
    case method
      # collection variable
    when /(\w+)\[([\w\.]+)\]/
      collection_name = $1
      variable_name = $2
      if method == method_call
        handle_new_collection context, object_context, collection_name, variable_name
      else
        if is_collection_variable? methods[index+1]
          handle_collection_variable( methods[index+1], methods.join('.') )
          break
        end
      end

      # methoden aufruf (letztes element in der kette)
    when method_call
      if object_context.class.respond_to? :is_whitelisted?
        raise SecurityError, "method #{method_call} in class #{object_context.class} not whitelisted" unless object_context.class.is_whitelisted?(method)
      else
        warn "no whitelist in class #{object_context.class}"
      end
      context[method] = object_context.send(method)
      # zwischenaufruf
    else
      context[method] = {} unless context[method]
      context = context[method]
      object_context = index == 0 ? object_context[method] : object_context.send(method)
    end
  end
end

#handle_new_collection(context, object_context, collection_name, variable_name) ⇒ Object 



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# File 'lib/lettr/object_converter.rb', line 50

def handle_new_collection context, object_context, collection_name, variable_name
  collection = object_context.send(collection_name)
  context[collection_name] = []
  @collections[variable_name] = Lettr::Collection.new collection, context[collection_name]
end

#is_collection_variable?(variable_name) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/lettr/object_converter.rb', line 62

def is_collection_variable? variable_name
  @collections.has_key?( variable_name )
end

#options_to_hash(name) ⇒ Object 



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# File 'lib/lettr/object_converter.rb', line 3

def options_to_hash name
  hash = {}
  @collections = {}
  @vars[name.to_s].each do |var|
    methods = var.split('.')
    handle_methods(methods, hash)
  end
  evaluate_collections
  hash
end