Method: CommandModel::Model.execute

Defined in:
lib/command_model/model.rb

.execute(attributes_or_command, dependencies = {}, &block) ⇒ Object

Executes a block of code if the command model is valid.

Accepts either a command model or a hash of attributes with which to create a new command model.

Examples

RenameUserCommand.execute(login: "john") do |command|
  if allowed_to_rename_user?
    self. = command.
  else
    command.errors.add :base, "not allowed to rename"
  end
end



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# File 'lib/command_model/model.rb', line 137

def self.execute(attributes_or_command, dependencies={}, &block)
  command = if attributes_or_command.kind_of? self
    raise ArgumentError, "cannot pass dependencies with already initialized command" if dependencies.present?
    attributes_or_command
  else
    new(attributes_or_command, dependencies)
  end

  command.call &block
end