class SlackRubyBot::Commands::Base

Public Class Methods

command(*values, &block) click to toggle source
# File lib/slack-ruby-bot/commands/base.rb, line 48
def self.command(*values, &block)
  values.each do |value|
    escaped = Regexp.escape(value)
    match Regexp.new("^(?<bot>[[:alnum:][:punct:]@<>]*)[\\s]+(?<command>#{escaped})$", Regexp::IGNORECASE), &block
    match Regexp.new("^(?<bot>[[:alnum:][:punct:]@<>]*)[\\s]+(?<command>#{escaped})[\\s]+(?<expression>.*)$", Regexp::IGNORECASE), &block
  end
end
default_command_name() click to toggle source
# File lib/slack-ruby-bot/commands/base.rb, line 38
def self.default_command_name
  name && name.split(':').last.downcase
end
invoke(client, data) click to toggle source
# File lib/slack-ruby-bot/commands/base.rb, line 56
def self.invoke(client, data)
  self.finalize_routes!
  expression, text = parse(client, data)
  called = false
  routes.each_pair do |route, method|
    match = route.match(expression)
    match ||= route.match(text) if text
    next unless match
    next if match.names.include?('bot') && !client.name?(match['bot'])
    called = true
    if method
      method.call(client, data, match)
    elsif self.respond_to?(:call)
      send(:call, client, data, match)
    else
      fail NotImplementedError, data.text
    end
    break
  end
  called
end
logger() click to toggle source
# File lib/slack-ruby-bot/commands/base.rb, line 31
def self.logger
  @logger ||= begin
    $stdout.sync = true
    Logger.new(STDOUT)
  end
end
match(match, &block) click to toggle source
# File lib/slack-ruby-bot/commands/base.rb, line 78
def self.match(match, &block)
  self.routes ||= {}
  self.routes[match] = block
end
operator(*values, &block) click to toggle source
# File lib/slack-ruby-bot/commands/base.rb, line 42
def self.operator(*values, &block)
  values.each do |value|
    match Regexp.new("^(?<operator>\\#{value})(?<expression>.*)$", Regexp::IGNORECASE), &block
  end
end
send_gif(client, channel, keywords, options = {}) click to toggle source
# File lib/slack-ruby-bot/commands/base.rb, line 23
def self.send_gif(client, channel, keywords, options = {})
  get_gif_and_send({
    client: client,
    channel: channel,
    keywords: keywords
  }.merge(options))
end
send_message(client, channel, text, options = {}) click to toggle source
# File lib/slack-ruby-bot/commands/base.rb, line 6
def self.send_message(client, channel, text, options = {})
  if text && text.length > 0
    send_client_message(client, { channel: channel, text: text }.merge(options))
  else
    send_message_with_gif client, channel, 'Nothing to see here.', 'nothing', options
  end
end
send_message_with_gif(client, channel, text, keywords, options = {}) click to toggle source
# File lib/slack-ruby-bot/commands/base.rb, line 14
def self.send_message_with_gif(client, channel, text, keywords, options = {})
  get_gif_and_send({
    client: client,
    channel: channel,
    text: text,
    keywords: keywords
  }.merge(options))
end

Private Class Methods

finalize_routes!() click to toggle source
# File lib/slack-ruby-bot/commands/base.rb, line 96
def self.finalize_routes!
  return if self.routes && self.routes.any?
  command default_command_name
end
get_gif_and_send(options = {}) click to toggle source
# File lib/slack-ruby-bot/commands/base.rb, line 101
def self.get_gif_and_send(options = {})
  options = options.dup
  keywords = options.delete(:keywords)
  client = options.delete(:client)
  gif = begin
    Giphy.random(keywords)
  rescue StandardError => e
    logger.warn "Giphy.random: #{e.message}"
    nil
  end if SlackRubyBot::Config.send_gifs? && client.send_gifs?
  text = options.delete(:text)
  text = [text, gif && gif.image_url.to_s].compact.join("\n")
  send_client_message(client, { text: text }.merge(options))
end
parse(client, data) click to toggle source
# File lib/slack-ruby-bot/commands/base.rb, line 85
def self.parse(client, data)
  text = data.text
  return text unless data.channel && data.channel[0] == 'D' && data.user && data.user != SlackRubyBot.config.user_id
  client.names.each do |name|
    text.downcase.tap do |td|
      return text if td == name || td.starts_with?("#{name} ")
    end
  end
  ["#{client.name} #{text}", text]
end
send_client_message(client, data) click to toggle source
# File lib/slack-ruby-bot/commands/base.rb, line 116
def self.send_client_message(client, data)
  client.message(data)
end