Module: Plezi::Controller::ClassMethods

Defined in:
lib/plezi/controller/controller_class.rb

Overview

this module extends the controller class with Plezi functions

Constant Summary collapse

RESERVED_METHODS =

This is used internally by Plezi, do not use.

[:delete, :create, :update, :new, :show, :pre_connect, :on_sse, :on_open, :on_close, :on_shutdown, :on_message].freeze

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.extended(base) ⇒ Object

A Ruby callback used to initialize class data for new Controllers.


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# File 'lib/plezi/controller/controller_class.rb', line 6

def self.extended(base)
   base._pl_init_class_data
end

Instance Method Details

#_pl_ad_mapObject

This function is used internally by Plezi, do not call.


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# File 'lib/plezi/controller/controller_class.rb', line 102

def _pl_ad_map
   return @_pl_ad_map if @_pl_ad_map

   @_pl_ad_map = {}
   mths = public_instance_methods false
   mths.delete_if { |m| m.to_s[0] == '_' || ![-2, -1, 1].freeze.include?(instance_method(m).arity) }
   mths.delete :index
   RESERVED_METHODS.each { |m| mths.delete m }
   mths.each { |m| @_pl_ad_map[m.to_s.freeze] = m; @_pl_ad_map[m] = m }

   @_pl_ad_map
end

#_pl_get_mapObject

This function is used internally by Plezi, do not call.


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# File 'lib/plezi/controller/controller_class.rb', line 25

def _pl_get_map
   return @_pl_get_map if @_pl_get_map

   @_pl_get_map = {}
   mths = public_instance_methods false
   mths.delete_if { |mthd| mthd.to_s[0] == '_' || !(-1..0).cover?(instance_method(mthd).arity) }
   @_pl_get_map[nil] = :index if mths.include?(:index)
   RESERVED_METHODS.each { |mthd| mths.delete mthd }
   mths.each { |mthd| @_pl_get_map[mthd.to_s.freeze] = mthd }

   @_pl_get_map
end

#_pl_has_createObject

This function is used internally by Plezi, do not call.


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# File 'lib/plezi/controller/controller_class.rb', line 52

def _pl_has_create
   @_pl_has_create
end

#_pl_has_deleteObject

This function is used internally by Plezi, do not call.


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# File 'lib/plezi/controller/controller_class.rb', line 40

def _pl_has_delete
   @_pl_has_delete
end

#_pl_has_newObject

This function is used internally by Plezi, do not call.


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# File 'lib/plezi/controller/controller_class.rb', line 58

def _pl_has_new
   @_pl_has_new
end

#_pl_has_showObject

This function is used internally by Plezi, do not call.


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# File 'lib/plezi/controller/controller_class.rb', line 64

def _pl_has_show
   @_pl_has_show
end

#_pl_has_updateObject

This function is used internally by Plezi, do not call.


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# File 'lib/plezi/controller/controller_class.rb', line 46

def _pl_has_update
   @_pl_has_update
end

#_pl_init_class_dataObject

This function is used internally by Plezi, do not call.


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# File 'lib/plezi/controller/controller_class.rb', line 145

def _pl_init_class_data
   @auto_dispatch ||= nil
   @_pl_get_map = @_pl_ad_map = @_pl_ws_map = nil
   @_pl_has_show = public_instance_methods(false).include?(:show)
   @_pl_has_new = public_instance_methods(false).include?(:new)
   @_pl_has_create = public_instance_methods(false).include?(:create)
   @_pl_has_update = public_instance_methods(false).include?(:update)
   @_pl_has_delete = public_instance_methods(false).include?(:delete)
   @_pl_is_websocket = (instance_variable_defined?(:@auto_dispatch) && instance_variable_get(:@auto_dispatch)) || instance_methods(false).include?(:on_message)
   @_pl_is_sse = instance_methods(false).include?(:on_sse)
   _pl_get_map
   _pl_ad_map
   _pl_ws_map
end

#_pl_is_ad?Boolean

This function is used internally by Plezi, do not call.

Returns:

  • (Boolean)

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# File 'lib/plezi/controller/controller_class.rb', line 82

def _pl_is_ad?
   @auto_dispatch
end

#_pl_is_sse?Boolean

This function is used internally by Plezi, do not call.

Returns:

  • (Boolean)

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# File 'lib/plezi/controller/controller_class.rb', line 76

def _pl_is_sse?
   @_pl_is_sse
end

#_pl_is_websocket?Boolean

This function is used internally by Plezi, do not call.

Returns:

  • (Boolean)

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# File 'lib/plezi/controller/controller_class.rb', line 70

def _pl_is_websocket?
   @_pl_is_websocket
end

#_pl_params2method(params, env) ⇒ Object

This function is used internally by Plezi, do not call.


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# File 'lib/plezi/controller/controller_class.rb', line 117

def _pl_params2method(params, env)
   par_id = params['id'.freeze]
   meth_id = _pl_get_map[par_id]
   return meth_id if par_id && meth_id
   # puts "matching against #{params}"
   case params['_method'.freeze]
   when :get # since this is common, it's pushed upwards.
      if env['rack.upgrade?'.freeze]
         if (env['rack.upgrade?'.freeze] == :websocket && _pl_is_websocket?) || (env['rack.upgrade?'.freeze] == :sse && _pl_is_sse?)
            @_pl_init_global_data ||= ::Plezi.plezi_initialize # why did we do this?
            return :preform_upgrade
         end
      end
      return :new if _pl_has_new && par_id == 'new'.freeze
      return meth_id || (_pl_has_show && :show) || nil
   when :put, :patch
      return :create if _pl_has_create && (par_id.nil? || par_id == 'new'.freeze)
      return :update if _pl_has_update
   when :post
      return :create if _pl_has_create
   when :delete
      return :delete if _pl_has_delete
   end
   meth_id || (_pl_has_show && :show) || nil
end

#_pl_ws_mapObject

This function is used internally by Plezi, do not call.


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# File 'lib/plezi/controller/controller_class.rb', line 88

def _pl_ws_map
   return @_pl_ws_map if @_pl_ws_map

   @_pl_ws_map = {}
   mths = instance_methods false
   mths.delete :index
   RESERVED_METHODS.each { |mthd| mths.delete mthd }
   mths.each { |mthd| @_pl_ws_map[mthd.to_s.freeze] = mthd; @_pl_ws_map[mthd] = mthd }

   @_pl_ws_map
end

#publish(*args) ⇒ Object

Publishes a message to a channel.


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# File 'lib/plezi/controller/controller_class.rb', line 11

def publish(*args)
   Iodine.publish *args
end

#url_for(func, params = {}) ⇒ Object

Returns a relative URL for the controller, placing the requested parameters in the URL (inline, where possible and as query data when not possible).


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# File 'lib/plezi/controller/controller_class.rb', line 16

def url_for(func, params = {})
   ::Plezi::Base::Router.url_for self, func, params
end