Module: ActiveParams::Controller

Defined in:
lib/active_params/controller.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.included(base) ⇒ Object 



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# File 'lib/active_params/controller.rb', line 5

def self.included(base)
  add_before_method =
    (base.methods.include?(:before_action) && :before_action) ||
    (base.methods.include?(:before_filter) && :before_filter)

  if add_before_method
    base.class_eval do
      send add_before_method, :active_params_write, if: :active_params_writing?
      send add_before_method, :active_params_apply
    end
  end
end

Instance Method Details

#active_params_apply(global_json: active_params_json) ⇒ Object 



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# File 'lib/active_params/controller.rb', line 51

def active_params_apply(global_json: active_params_json)
  # e.g. POST users#update
  scoped_json = global_json[active_params_scope] ||= {}
  params.each do |k,v|
    if result = scoped_json[k]
      params[k] = params.require(k).permit(result)
    end
  end
end

#active_params_json ⇒ Object 



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# File 'lib/active_params/controller.rb', line 26

def active_params_json
  @@active_params_json ||= (File.exists?(active_params_path) ? JSON.parse(IO.read active_params_path) : {})
rescue JSON::ParserError
  return {}
ensure
  # undo cache in development mode
  @@active_params_json = nil if active_params_writing?
end

#active_params_path ⇒ Object 



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# File 'lib/active_params/controller.rb', line 22

def active_params_path
  active_params_options[:path] || ActiveParams.path
end

#active_params_scope ⇒ Object 



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# File 'lib/active_params/controller.rb', line 35

def active_params_scope
  scope = active_params_options[:scope] || ActiveParams.scope
  scope.respond_to?(:call) ? scope.(self) : scope
end

#active_params_write(global_json: active_params_json) ⇒ Object 



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# File 'lib/active_params/controller.rb', line 40

def active_params_write(global_json: active_params_json)
  scoped_json = global_json[active_params_scope] ||= {}
  params.each do |k,v|
    case result = ActiveParams::Parser.strong_params_definition_for(v)
    when Array, Hash
      scoped_json[k] = result
    end
  end
  open(active_params_path, "wb") {|f| f.write(JSON.pretty_generate(global_json)) }
end

#active_params_writing? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/active_params/controller.rb', line 18

def active_params_writing?
  active_params_options[:writing] || ActiveParams.writing
end