Module: MCP::Rails::Parameters

Extended by:
ActiveSupport::Concern
Defined in:
app/controllers/concerns/mcp/rails/parameters.rb

Defined Under Namespace

Classes: ParamsBuilder

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.included(base) ⇒ Object 



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# File 'app/controllers/concerns/mcp/rails/parameters.rb', line 4

def self.included(base)
  base.extend ClassMethods
  base.class_eval do
    # Initialize instance variables for each class
    @shared_params_defs = {}
    @action_params_defs = {}

    # Define class-level accessors
    def self.shared_params_defs
      @shared_params_defs ||= {}
    end

    def self.action_params_defs
      @action_params_defs ||= {}
    end

    # Optionally, define setters if needed
    def self.shared_params_defs=(value)
      @shared_params_defs = value
    end

    def self.action_params_defs=(value)
      @action_params_defs = value
    end

    # Ensure subclasses get their own fresh instances
    def self.inherited(subclass)
      super
      subclass.instance_variable_set(:@shared_params_defs, {})
      subclass.instance_variable_set(:@action_params_defs, {})
    end
  end

  def mcp_invocation?
    bypass_key = request.headers["X-Bypass-CSRF"]
    stored_key = File.read(MCP::Rails.configuration.bypass_key_path).strip rescue nil
    bypass_key.present? && bypass_key == stored_key
  end
end

Instance Method Details

#mcp_invocation? ⇒ Boolean 



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# File 'app/controllers/concerns/mcp/rails/parameters.rb', line 37

def mcp_invocation?
  bypass_key = request.headers["X-Bypass-CSRF"]
  stored_key = File.read(MCP::Rails.configuration.bypass_key_path).strip rescue nil
  bypass_key.present? && bypass_key == stored_key
end

#resource_params ⇒ Object

Instance method to get strong parameters, keeping controller clean



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# File 'app/controllers/concerns/mcp/rails/parameters.rb', line 99

def resource_params
  permitted = extract_permitted_keys(self.class.permitted_params(action_name))
  if (model_hash = permitted.select { |p| p.is_a?(Hash) }) && model_hash.length == 1
    params.require(model_hash.first.keys.first).permit(*model_hash.first.values)
  else
    params.permit(permitted)
  end
end