Class: Toast::RootCollection

Inherits:
Resource show all
Defined in:
lib/toast/root_collection.rb

Instance Attribute Summary collapse

Attributes inherited from Resource

#media_type

Instance Method Summary collapse

Methods inherited from Resource

#apply, build, get_class_by_resource_name

Constructor Details

#initialize(model, subresource_name, params) ⇒ RootCollection

Returns a new instance of RootCollection.



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# File 'lib/toast/root_collection.rb', line 6

def initialize model, subresource_name, params
  
  subresource_name ||= "all"
  
  unless model.toast_config.collections.include? subresource_name
    raise ResourceNotFound
  end

  @model = model
  @collection = subresource_name
  @params = params
  @format = params[:format]
end

Instance Attribute Details

#model ⇒ Object (readonly)

Returns the value of attribute model.



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# File 'lib/toast/root_collection.rb', line 4

def model
  @model
end

Instance Method Details

#delete ⇒ Object

Raises:



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# File 'lib/toast/root_collection.rb', line 87

def delete
  raise MethodNotAllowed
end

#get ⇒ Object 



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# File 'lib/toast/root_collection.rb', line 20

def get
  if @model.toast_config.in_collection.disallow_methods.include? "get"
    raise MethodNotAllowed 
  end
   
  records = if @model.toast_config.pass_params_to.include?(@collection) 
              @model.send(@collection, @params)
            else
              @model.send(@collection)
            end

  case @format
  when "html"
    {
      :template => "resources/#{model.to_s.pluralize.underscore}",
      :locals => { model.to_s.pluralize.underscore.to_sym => records } 
    }
  when "json"        
    {
      :json => records.map{|r| r.exposed_attributes(:in_collection => true)},
      :status => :ok
    }
  else
    raise ResourceNotFound
  end
end

#post(payload) ⇒ Object 



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# File 'lib/toast/root_collection.rb', line 51

def post payload
  if @model.toast_config.in_collection.disallow_methods.include? "post"
    raise MethodNotAllowed
  end
    
  if @collection != "all"
    raise MethodNotAllowed
  end

  if self.media_type != @model.toast_config.media_type
    raise UnsupportedMediaType
  end

  unless payload.is_a? Hash
    raise PayloadFormatError
  end

  if payload.keys.to_set != (@model.toast_config.exposed_attributes.to_set - @model.toast_config.auto_fields.to_set)
    raise PayloadInvalid
  end
  

  begin
    record = @model.create! payload              

    {
      :json => record.exposed_attributes,
      :location => record.uri,
      :status => :created
    }

  rescue ActiveRecord::RecordInvalid => e
    raise PayloadInvalid.new(e.message)
  end
end

#put ⇒ Object

Raises:



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# File 'lib/toast/root_collection.rb', line 47

def put
  raise MethodNotAllowed
end