Class: Discorb::Client

Inherits:
Object
  • Object
show all
Includes:
ApplicationCommand::Handler, Gateway::Handler
Defined in:
lib/discorb/client.rb

Overview

Class for connecting to the Discord server.

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from ApplicationCommand::Handler

#clear_commands, #message_command, #setup_commands, #slash, #slash_group, #user_command

Constructor Details

#initialize(allowed_mentions: nil, intents: nil, message_caches: 1000, logger: nil, wait_until_ready: true, fetch_member: false, title: nil) ⇒ Client

Initializes a new client.

Parameters:

  • allowed_mentions (Discorb::AllowedMentions) (defaults to: nil)

    The allowed mentions that the client is using.

  • intents (Discorb::Intents) (defaults to: nil)

    The intents that the client is currently using.

  • message_caches (Integer) (defaults to: 1000)

    The number of messages to cache.

  • logger (Logger) (defaults to: nil)

    The IO object to use for logging.

  • log_level (:debug, :info, :warn, :error, :critical)

    The log level.

  • wait_until_ready (Boolean) (defaults to: true)

    Whether to delay event dispatch until ready.

  • fetch_member (Boolean) (defaults to: false)

    Whether to fetch member on ready. This may slow down the client. Default to false.

  • title (String) (defaults to: nil)

    The title of the process. false to default of ruby, nil to discorb: User#0000. Default to nil.


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# File 'lib/discorb/client.rb', line 87

def initialize(
  allowed_mentions: nil, intents: nil, message_caches: 1000,
  logger: nil,
  wait_until_ready: true, fetch_member: false,
  title: nil
)
  @allowed_mentions = allowed_mentions || AllowedMentions.new(everyone: true, roles: true, users: true)
  @intents = (intents or Intents.default)
  @events = {}
  @api_version = nil
  @logger = logger || Logger.new(
    $stdout,
    progname: "discorb",
    level: Logger::ERROR,
  )
  @user = nil
  @users = Discorb::Dictionary.new
  @channels = Discorb::Dictionary.new
  @guilds = Discorb::Dictionary.new(sort: ->(k) { k[0].to_i })
  @emojis = Discorb::Dictionary.new
  @messages = Discorb::Dictionary.new(limit: message_caches)
  @application = nil
  @last_s = nil
  @identify_presence = nil
  @wait_until_ready = wait_until_ready
  @ready = false
  @tasks = []
  @conditions = {}
  @commands = []
  @bottom_commands = []
  @status = :initialized
  @fetch_member = fetch_member
  @title = title
  @extensions = {}
  @mutex = {}
  @shards = {}
  set_default_events
end

Instance Attribute Details

#allowed_mentionsDiscorb::AllowedMentions (readonly)

Returns The allowed mentions that the client is using.

Returns:


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# File 'lib/discorb/client.rb', line 30

def allowed_mentions
  @allowed_mentions
end

#api_versionInteger? (readonly)

Returns:

  • (Integer)

    The API version of the Discord gateway.

  • (nil)

    If not connected to the gateway.


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# File 'lib/discorb/client.rb', line 26

def api_version
  @api_version
end

#applicationDiscorb::Application? (readonly)

Returns:


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# File 'lib/discorb/client.rb', line 19

def application
  @application
end

#channelsDiscorb::Dictionary{Discorb::Snowflake => Discorb::Channel} (readonly)

Returns A dictionary of channels.

Returns:


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# File 'lib/discorb/client.rb', line 38

def channels
  @channels
end

#commandsArray<Discorb::ApplicationCommand::Command> (readonly)

Returns The commands that the client is using.

Returns:


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# File 'lib/discorb/client.rb', line 44

def commands
  @commands
end

#emojisDiscorb::Dictionary{Discorb::Snowflake => Discorb::Emoji} (readonly)

Returns A dictionary of emojis.

Returns:


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# File 'lib/discorb/client.rb', line 40

def emojis
  @emojis
end

#extensionsHash{String => Discorb::Extension} (readonly)

Returns The loaded extensions.

Returns:


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# File 'lib/discorb/client.rb', line 52

def extensions
  @extensions
end

#guildsDiscorb::Dictionary{Discorb::Snowflake => Discorb::Guild} (readonly)

Returns A dictionary of guilds.

Returns:


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# File 'lib/discorb/client.rb', line 34

def guilds
  @guilds
end

#heartbeat_intervalInteger (readonly)

Returns The heartbeat interval.

Returns:

  • (Integer)

    The heartbeat interval.


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# File 'lib/discorb/client.rb', line 23

def heartbeat_interval
  @heartbeat_interval
end

#httpDiscorb::HTTP (readonly)

Returns The http client.

Returns:

  • (Discorb::HTTP)

    The http client.


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# File 'lib/discorb/client.rb', line 21

def http
  @http
end

#intentsDiscorb::Intents

Returns The intents that the client is currently using.

Returns:


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# File 'lib/discorb/client.rb', line 16

def intents
  @intents
end

#loggerLogger (readonly)

Returns The logger.

Returns:

  • (Logger)

    The logger.


# File 'lib/discorb/client.rb', line 62

#messagesDiscorb::Dictionary{Discorb::Snowflake => Discorb::Message} (readonly)

Returns A dictionary of messages.

Returns:


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# File 'lib/discorb/client.rb', line 42

def messages
  @messages
end

#pingFloat? (readonly)

Returns:

  • (Float)

    The ping of the client. @note This will be calculated from heartbeat and heartbeat_ack.

  • (nil)

    If not connected to the gateway.


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# File 'lib/discorb/client.rb', line 48

def ping
  @ping
end

#session_idString?

Returns:

  • (String)

    The session ID of the client or current shard.

  • (nil)

    If not connected to the gateway.


# File 'lib/discorb/client.rb', line 62

#shardDiscorb::Shard? (readonly)

Returns:

  • (Discorb::Shard)

    The current shard. This is implemented with Thread variables.

  • (nil)

    If client has no shard.


# File 'lib/discorb/client.rb', line 62

#shard_idDiscorb::Shard? (readonly)

Returns:

  • (Discorb::Shard)

    The current shard ID. This is implemented with Thread variables.

  • (nil)

    If client has no shard.


# File 'lib/discorb/client.rb', line 62

#shardsHash{Integer => Discorb::Shard} (readonly)

Returns The shards of the client.

Returns:


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# File 'lib/discorb/client.rb', line 54

def shards
  @shards
end

#status:initialized, ... (readonly)

Returns The status of the client.

Returns:

  • (:initialized, :running, :closed)

    The status of the client.


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# File 'lib/discorb/client.rb', line 50

def status
  @status
end

#tokenString (readonly)

Returns The token of the client.

Returns:

  • (String)

    The token of the client.


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# File 'lib/discorb/client.rb', line 28

def token
  @token
end

#userDiscorb::ClientUser (readonly)

Returns The client user.

Returns:


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# File 'lib/discorb/client.rb', line 32

def user
  @user
end

#usersDiscorb::Dictionary{Discorb::Snowflake => Discorb::User} (readonly)

Returns A dictionary of users.

Returns:


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# File 'lib/discorb/client.rb', line 36

def users
  @users
end

Instance Method Details

#close!Object

Stops the client.


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# File 'lib/discorb/client.rb', line 476

def close!
  if @shards.any?
    @shards.each(&:close!)
  else
    @connection.send_close
  end
  @tasks.each(&:stop)
  @status = :closed
end

#dispatch(event_name, *args) ⇒ Async::Task<void>

Dispatch an event.

Parameters:

  • event_name (Symbol)

    The name of the event.

  • args (Object)

    The arguments to pass to the event.

Returns:

  • (Async::Task<void>)

    The task.


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# File 'lib/discorb/client.rb', line 176

def dispatch(event_name, *args)
  Async do
    if (conditions = @conditions[event_name])
      ids = Set[*conditions.map(&:first).map(&:object_id)]
      conditions.delete_if do |condition|
        next unless ids.include?(condition.first.object_id)

        check_result = condition[1].nil? || condition[1].call(*args)
        if check_result
          condition.first.signal(args)
          true
        else
          false
        end
      end
    end
    events = @events[event_name].dup || []
    if respond_to?("on_" + event_name.to_s)
      event_method = method("on_" + event_name.to_s)
      class << event_method
        def id
          "method"
        end
      end
      events << event_method
    end
    if events.nil?
      logger.debug "Event #{event_name} doesn't have any proc, skipping"
      next
    end
    logger.debug "Dispatching event #{event_name}"
    events.each do |block|
      Async do
        Async(annotation: "Discorb event: #{event_name}") do |_task|
          @events[event_name].delete(block) if block.is_a?(Discorb::EventHandler) && block.[:once]
          block.call(*args)
          logger.debug "Dispatched proc with ID #{block.id.inspect}"
        rescue StandardError, ScriptError => e
          if event_name == :error
            raise e
          else
            dispatch(:error, event_name, args, e)
          end
        end
      end
    end
  end
end

#event_lock(event, timeout = nil, &check) ⇒ Async::Task<Object> Also known as: await

Method to wait for a event.

Parameters:

  • event (Symbol)

    The name of the event.

  • timeout (Integer) (defaults to: nil)

    The timeout in seconds.

  • check (Proc)

    The check to use.

Returns:

  • (Async::Task<Object>)

    The result of the event.

Raises:


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# File 'lib/discorb/client.rb', line 369

def event_lock(event, timeout = nil, &check)
  Async do |task|
    condition = Async::Condition.new
    @conditions[event] ||= []
    @conditions[event] << [condition, check]
    if timeout.nil?
      value = condition.wait
    else
      timeout_task = task.with_timeout(timeout) do
        condition.wait
      rescue Async::TimeoutError
        @conditions[event].delete_if { |c| c.first == condition }
        raise Discorb::TimeoutError, "Timeout waiting for event #{event}", cause: nil
      end
      value = timeout_task
    end
    value.length <= 1 ? value.first : value
  end
end

#fetch_application(force: false) ⇒ Async::Task<Discorb::Application>

Fetch webhook from ID. If application was cached, it will be used.

Parameters:

  • force (Boolean) (defaults to: false)

    Whether to force the fetch.

Returns:


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# File 'lib/discorb/client.rb', line 308

def fetch_application(force: false)
  Async do
    next @application if @application && !force

    _resp, data = @http.request(Route.new("/oauth2/applications/@me", "//oauth2/applications/@me", :get)).wait
    @application = Application.new(self, data)
    @application
  end
end

#fetch_channel(id) ⇒ Async::Task<Discorb::Channel>

Fetch channel from ID.

Parameters:

  • id (#to_s)

    The ID of the channel.

Returns:

Raises:


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# File 'lib/discorb/client.rb', line 252

def fetch_channel(id)
  Async do
    _resp, data = @http.request(Route.new("/channels/#{id}", "//channels/:channel_id", :get)).wait
    Channel.make_channel(self, data)
  end
end

#fetch_guild(id) ⇒ Async::Task<Discorb::Guild>

Fetch guild from ID.

Parameters:

  • id (#to_s)

Returns:

Raises:


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# File 'lib/discorb/client.rb', line 269

def fetch_guild(id)
  Async do
    _resp, data = @http.request(Route.new("/guilds/#{id}", "//guilds/:guild_id", :get)).wait
    Guild.new(self, data, false)
  end
end

#fetch_invite(code, with_count: true, with_expiration: true) ⇒ Async::Task<Discorb::Invite>

Fetch invite from code.

Parameters:

  • code (String)

    The code of the invite.

  • with_count (Boolean) (defaults to: true)

    Whether to include the count of the invite.

  • with_expiration (Boolean) (defaults to: true)

    Whether to include the expiration of the invite.

Returns:


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# File 'lib/discorb/client.rb', line 286

def fetch_invite(code, with_count: true, with_expiration: true)
  Async do
    _resp, data = @http.request(
      Route.new(
        "/invites/#{code}?with_count=#{with_count}&with_expiration=#{with_expiration}",
        "//invites/:code",
        :get
      )
    ).wait
    Invite.new(self, data, false)
  end
end

#fetch_nitro_sticker_packsAsync::Task<Array<Discorb::Sticker::Pack>>

Fetch nitro sticker pack from ID.

Returns:


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# File 'lib/discorb/client.rb', line 324

def fetch_nitro_sticker_packs
  Async do
    _resp, data = @http.request(Route.new("/sticker-packs", "//sticker-packs", :get)).wait
    data[:sticker_packs].map { |pack| Sticker::Pack.new(self, pack) }
  end
end

#fetch_user(id) ⇒ Async::Task<Discorb::User>

Fetch user from ID.

Parameters:

  • id (#to_s)

Returns:

Raises:


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# File 'lib/discorb/client.rb', line 235

def fetch_user(id)
  Async do
    _resp, data = @http.request(Route.new("/users/#{id}", "//users/:user_id", :get)).wait
    User.new(self, data)
  end
end

#inspectObject


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# File 'lib/discorb/client.rb', line 391

def inspect
  "#<#{self.class} user=\"#{user}\">"
end

#load_extension(ext) ⇒ Object

Load the extension.

Parameters:

  • ext (Class, Discorb::Extension)

    The extension to load.

  • ... (Object)

    The arguments to pass to the ext#initialize.


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# File 'lib/discorb/client.rb', line 401

def load_extension(ext, ...)
  case ext
  when Class
    raise ArgumentError, "#{ext} is not a extension" unless ext < Discorb::Extension

    ins = ext.new(self, ...)
  when Discorb::Extension
    ins = ext
  else
    raise ArgumentError, "#{ext} is not a extension"
  end

  @events.each_value do |event|
    event.delete_if { |c| c.[:extension] == ins.class.name }
  end
  ins.events.each do |name, events|
    @events[name] ||= []
    events.each do |event|
      @events[name] << event
    end
  end
  @commands.delete_if do |cmd|
    cmd.respond_to? :extension and cmd.extension == ins.class.name
  end
  ins.class.commands.each do |cmd|
    cmd.define_singleton_method(:extension) { ins.class.name }
    cmd.replace_block(ins)
    cmd.block.define_singleton_method(:self_replaced) { true }
    @commands << cmd
  end

  cls = ins.class
  cls.loaded(self, ...) if cls.respond_to? :loaded
  ins.class.bottom_commands.each do |cmd|
    unless cmd.respond_to? :self_replaced
      cmd.define_singleton_method(:extension) { ins.class.name }
      cmd.replace_block(ins)
      cmd.block.define_singleton_method(:self_replaced) { true }
    end
    @bottom_commands << cmd
  end
  @extensions[ins.class.name] = ins
  ins
end

#on(event_name, id: nil, **metadata, &block) ⇒ Discorb::EventHandler

Registers an event handler.

Parameters:

  • event_name (Symbol)

    The name of the event.

  • id (Symbol) (defaults to: nil)

    Custom ID of the event.

  • metadata (Hash)

    The metadata of the event.

  • block (Proc)

    The block to execute when the event is triggered.

Returns:

See Also:


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# File 'lib/discorb/client.rb', line 137

def on(event_name, id: nil, **, &block)
  ne = EventHandler.new(block, id, )
  @events[event_name] ||= []
  @events[event_name].delete_if { |e| e.[:override] }
  @events[event_name] << ne
  ne
end

#once(event_name, id: nil, **metadata, &block) ⇒ Discorb::EventHandler

Almost same as #on, but only triggers the event once.

Parameters:

  • event_name (Symbol)

    The name of the event.

  • id (Symbol) (defaults to: nil)

    Custom ID of the event.

  • metadata (Hash)

    The metadata of the event.

  • block (Proc)

    The block to execute when the event is triggered.

Returns:


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# File 'lib/discorb/client.rb', line 152

def once(event_name, id: nil, **, &block)
  [:once] = true
  on(event_name, id: id, **, &block)
end

#remove_event(event_name, id) ⇒ Object

Remove event by ID.

Parameters:

  • event_name (Symbol)

    The name of the event.

  • id (Symbol)

    The ID of the event.


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# File 'lib/discorb/client.rb', line 163

def remove_event(event_name, id)
  @events[event_name].delete_if { |e| e.id == id }
end

#run(token = nil, shards: nil, shard_count: nil) ⇒ Object

Note:

This method behavior will change by CLI.

Note:

If the token is nil, you should use discorb run with the -e or --env option.

Starts the client.

Parameters:

  • token (String, nil) (defaults to: nil)

    The token to use.

Raises:

  • (ArgumentError)

See Also:


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# File 'lib/discorb/client.rb', line 458

def run(token = nil, shards: nil, shard_count: nil)
  token ||= ENV.fetch("DISCORB_CLI_TOKEN", nil)
  raise ArgumentError, "Token is not specified, and -e/--env is not specified" if token.nil?

  case ENV.fetch("DISCORB_CLI_FLAG", nil)
  when nil
    start_client(token, shards: shards, shard_count: shard_count)
  when "run"
    before_run(token)
    start_client(token, shards: shards, shard_count: shard_count)
  when "setup"
    run_setup(token)
  end
end

#update_presence(activity = nil, status: nil) ⇒ Object Also known as: change_presence

Update presence of the client.

Parameters:

  • activity (Discorb::Activity) (defaults to: nil)

    The activity to update.

  • status (:online, :idle, :dnd, :invisible) (defaults to: nil)

    The status to update.


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# File 'lib/discorb/client.rb', line 337

def update_presence(activity = nil, status: nil)
  payload = {
    activities: [],
    status: status,
    since: nil,
    afk: nil,
  }
  payload[:activities] = [activity.to_hash] unless activity.nil?
  payload[:status] = status unless status.nil?
  if connection
    Async do
      send_gateway(3, **payload)
    end
  else
    @identify_presence = payload
  end
end