Class: ThumbleMonks::AssociativeModelLoader

Inherits:
ModelLoader
  • Object
show all
Defined in:
lib/thumblemonks/model_loader.rb

Overview

ModelLoader

Direct Known Subclasses

ThroughModelLoader

Instance Attribute Summary collapse

Attributes inherited from ModelLoader

#assigns_to, #except, #only, #requires

Instance Method Summary collapse

Methods inherited from ModelLoader

#action_allowed?, #action_required?

Constructor Details

#initialize(name, opts = {}) ⇒ AssociativeModelLoader

Returns a new instance of AssociativeModelLoader.



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# File 'lib/thumblemonks/model_loader.rb', line 44

def initialize(name, opts={})
  super
  config = {:parameter_key => :id, :foreign_key => :id, :class => name}.merge(opts)
  @load_through = config[:class].to_s.classify.constantize
  @parameter_key = config[:parameter_key].to_s
  @foreign_key = config[:foreign_key].to_s
end

Instance Attribute Details

#foreign_key ⇒ Object (readonly)

:nodoc



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# File 'lib/thumblemonks/model_loader.rb', line 42

def foreign_key
  @foreign_key
end

#load_through ⇒ Object (readonly)

:nodoc



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# File 'lib/thumblemonks/model_loader.rb', line 42

def load_through
  @load_through
end

#parameter_key ⇒ Object (readonly)

:nodoc



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# File 'lib/thumblemonks/model_loader.rb', line 42

def parameter_key
  @parameter_key
end

Instance Method Details

#load_model(controller) ⇒ Object 



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# File 'lib/thumblemonks/model_loader.rb', line 52

def load_model(controller)
  begin
    lookup = parameter_value(controller)
    source(controller).send("find_by_#{foreign_key}", lookup) unless lookup.blank?
  rescue ActiveRecord::StatementInvalid
    nil
  end
end