Class: Cogs::Command

Inherits:
Discordrb::Commands::Command
  • Object
show all
Defined in:
lib/commands.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(bot, name, attributes = {}, &block) ⇒ Command

Returns a new instance of Command.



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# File 'lib/commands.rb', line 5

def initialize(bot, name, attributes = {}, &block)
  super(name=name, attributes=attributes, &block=block)
  @bot = bot
  @cog = attributes[:cog] || "None"
end

Instance Attribute Details

#cog ⇒ Object (readonly)

Returns the value of attribute cog.



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# File 'lib/commands.rb', line 11

def cog
  @cog
end

Instance Method Details

#call(event, arguments, chained = false, check_permissions = true) ⇒ Object 



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# File 'lib/commands.rb', line 13

def call(event, arguments, chained = false, check_permissions = true)
  return unless @bot::cached_cogs.include?(@cog) || @cog == "None"
  if arguments.length < @attributes[:min_args]
    response = "Too few arguments for command `#{name}`!"
    response += "\nUsage: `#{@attributes[:usage]}`" if @attributes[:usage]
    event.respond(response)
    return
  end
  if @attributes[:max_args] >= 0 && arguments.length > @attributes[:max_args]
    response = "Too many arguments for command `#{name}`!"
    response += "\nUsage: `#{@attributes[:usage]}`" if @attributes[:usage]
    event.respond(response)
    return
  end
  unless @attributes[:chain_usable]
    if chained
      event.respond "Command `#{name}` cannot be used in a command chain!"
      return
    end
  end

  if check_permissions
    rate_limited = event.bot.rate_limited?(@attributes[:bucket], event.author)
    if @attributes[:bucket] && rate_limited
      event.respond @attributes[:rate_limit_message].gsub('%time%', rate_limited.round(2).to_s) if @attributes[:rate_limit_message]
      return
    end
  end

  result = @block.call(event, *arguments)
  event.drain_into(result)
rescue LocalJumpError => e # occurs when breaking

  result = e.exit_value
  event.drain_into(result)
rescue StandardError => e # Something went wrong inside our @block!

  rescue_value = @attributes[:rescue] || event.bot.attributes[:rescue]
  if rescue_value
    event.respond(rescue_value.gsub('%exception%', e.message)) if rescue_value.is_a?(String)
    rescue_value.call(event, e) if rescue_value.respond_to?(:call)
  end

  raise e
end