Class: Thwart::ActionsStore

Inherits:
Object
  • Object
show all
Includes:
ActiveSupport::Callbacks
Defined in:
lib/thwart/actions_store.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ ActionsStore

Returns a new instance of ActionsStore.



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# File 'lib/thwart/actions_store.rb', line 8

def initialize
  @actions = {}
end

Instance Attribute Details

#actions ⇒ Object (readonly)

Returns the value of attribute actions.



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# File 'lib/thwart/actions_store.rb', line 5

def actions
  @actions
end

#last_action ⇒ Object

Returns the value of attribute last_action.



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# File 'lib/thwart/actions_store.rb', line 4

def last_action
  @last_action
end

Instance Method Details

#add_crud! ⇒ Object

Add the CRUD methods to the Thwart actions (create, read, update, destroy)



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# File 'lib/thwart/actions_store.rb', line 81

def add_crud!
  if @crud.nil? || @crud == false      
    Thwart::CrudActions.each do |(k,v)|
      self.create_action(k, v)
    end
    @crud = true  
  end
end

#can_from_able(able) ⇒ Object

Finds the corresponding can from an able. 

@param [Symbol] able_method The name of the [action-able]_by? method.



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# File 'lib/thwart/actions_store.rb', line 31

def can_from_able(able)
  pair = self.actions.find {|k, v| v == able}
  pair.first if pair
end

#create_action(can, able = nil) ⇒ Object

Adds an action to actions and the correct methods to can and able modules.

@param [Symbol] can_method The name of the can_[action]? method.
@param [Symbol] resource_method The name of the [action-able]_by? method.



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# File 'lib/thwart/actions_store.rb', line 40

def create_action(can, able = nil)
  if able.nil?
    if can.respond_to?(:each) 
      can.each {|c,a| self.create_action(c,a)} 
    else
      raise ArgumentError, "able can't be nil"
    end
  else
    run_callbacks :add do
      @actions[can] = able
      @last_action = can
    end
  end
end

#find_able(name) ⇒ Object

Finds the able name of the action from a [action-able]_by? style method.

@param [Symbol] resource_method The name of the [action-able]_by? method.

Adds an action to actions and the correct methods to can and able modules.



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# File 'lib/thwart/actions_store.rb', line 59

def find_able(name)
  md = name.to_s.match(/(.+)_by\?/)
  if md != nil && self.has_able?(md[1].intern)
    md[1].intern
  else
    false
  end
end

#find_can(name) ⇒ Object

Finds the can name of the action from a can_? style method.

@param [Symbol] can_method The name of the can_[action]? method.



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# File 'lib/thwart/actions_store.rb', line 71

def find_can(name)
  md = name.to_s.match(/can_(.+)\?/)
  if md != nil && self.has_can?(md[1].intern)
    md[1].intern
  else
    false
  end
end

#has_able?(able) ⇒ Boolean

Returns true if Thwart is providing methods for the [action-able]_by? style action identifier, false otherwise. 

@param [Symbol] able_method The name of the [action-able]_by? method to check for.

Returns:

  • (Boolean) 


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# File 'lib/thwart/actions_store.rb', line 16

def has_able?(able)
  self.actions.has_value?(able.to_sym)
end

#has_can?(can) ⇒ Boolean

Returns true if Thwart is providing methods for the can_? style action identifer, false otherwise. 

@param [Symbol] able_method The name of the can_[action]? method to check for.

Returns:

  • (Boolean) 


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# File 'lib/thwart/actions_store.rb', line 24

def has_can?(can)
  self.actions.has_key?(can.to_sym)
end