Module: Restfulie::Server::Controller

Defined in:
lib/restfulie/server/controller.rb

Overview

Controller which adds default CRUD + search + other operations. TODO: move these actions to controller/base.rb (maybe using InheritedResources, maybe not)

Instance Method Summary collapse

Instance Method Details

#create ⇒ Object

creates a model based on the request media-type extracted from its content-type



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# File 'lib/restfulie/server/controller.rb', line 7

def create
  type = model_type
  return head 415 unless fits_content(type, request.headers['CONTENT_TYPE'])

  @model = type.from_xml request.body.string
  if @model.save
    render_created @model
  else
    render :xml => @model.errors, :status => :unprocessable_entity
  end
end

#destroy ⇒ Object

destroys this resource



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# File 'lib/restfulie/server/controller.rb', line 31

def destroy
  @model = model_type.find(params[:id])
  @model.destroy
  head :ok
end

#fits_content(type, content_type) ⇒ Object 



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# File 'lib/restfulie/server/controller.rb', line 66

def fits_content(type, content_type)
  Restfulie::MediaType.supports?(content_type) &&
          (type.respond_to?(:media_type_representations) ?
          type.media_type_representations.include?(content_type) :
          Restfulie::MediaType.default_representations.include?(content_type))
end

#model_name ⇒ Object

retrieves the model name



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# File 'lib/restfulie/server/controller.rb', line 62

def model_name
  self.class.name[/(.*)Controller/,1].singularize.underscore
end

#model_type ⇒ Object

returns the model for this controller



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# File 'lib/restfulie/server/controller.rb', line 57

def model_type
  self.class.name[/(.*)Controller/,1].singularize.constantize
end

#model_variable_name ⇒ Object 



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# File 'lib/restfulie/server/controller.rb', line 26

def model_variable_name
  ("@" + model_type.to_s.downcase).to_sym
end

#show ⇒ Object

renders this resource



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# File 'lib/restfulie/server/controller.rb', line 20

def show
  @model = model_type.find(params[:id])
  instance_variable_set(model_variable_name, @model)
  render_resource(@model)
end

#update ⇒ Object

updates a resouce



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# File 'lib/restfulie/server/controller.rb', line 38

def update
  type = model_type

  @loaded = type.find(params[:id])
  return head(:status => 405) unless @loaded.can? :update

  return head(415) unless fits_content(type, request.headers['CONTENT_TYPE'])

  @model = Hash.from_xml(request.body.string)[model_name]
  pre_update(@model) if self.respond_to?(:pre_update)
  
  if @loaded.update_attributes(@model)
    render_resource @loaded
  else
    render :xml => @loaded.errors, :status => :unprocessable_entity
  end
end