Class: Discorb::Client

Inherits:
Object
  • Object
show all
Includes:
Discorb::Command::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 Discorb::Command::Handler

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

Constructor Details

#initialize(allowed_mentions: nil, intents: nil, message_caches: 1000, log: nil, colorize_log: false, log_level: :info, wait_until_ready: true, overwrite_application_commands: true) -> 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.

  • log (#puts) (defaults to: nil)

    The IO object to use for logging.

  • colorize_log (Boolean) (defaults to: false)

    Whether to colorize the log.

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

    The log level.

  • wait_until_ready (Boolean) (defaults to: true)

    Whether to delay event dispatch until ready.

  • overwrite_application_commands (Boolean) (defaults to: true)

    Whether to overwrite application commands on ready.



65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
# File 'lib/discorb/client.rb', line 65

def initialize(
  allowed_mentions: nil, intents: nil, message_caches: 1000,
  log: nil, colorize_log: false, log_level: :info,
  wait_until_ready: true, overwrite_application_commands: true
)
  @allowed_mentions = allowed_mentions || AllowedMentions.new(everyone: true, roles: true, users: true)
  @intents = (intents or Intents.default)
  @events = {}
  @api_version = nil
  @log = Logger.new(log, colorize_log, log_level)
  @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 = []
  @overwrite_application_commands = overwrite_application_commands
  @status = :initialized
end

Instance Attribute Details

#allowed_mentions -> Discorb::AllowedMentions (readonly)

Returns The allowed mentions that the client is using.

Returns:



29
30
31
# File 'lib/discorb/client.rb', line 29

def allowed_mentions
  @allowed_mentions
end

#api_version -> Integer? (readonly)

Returns:

  • (Integer)

    The API version of the Discord gateway.

  • (nil)

    If not connected to the gateway.



25
26
27
# File 'lib/discorb/client.rb', line 25

def api_version
  @api_version
end

#application -> Discorb::Application? (readonly)

Returns:



18
19
20
# File 'lib/discorb/client.rb', line 18

def application
  @application
end

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

Returns A dictionary of channels.

Returns:



37
38
39
# File 'lib/discorb/client.rb', line 37

def channels
  @channels
end

#commands -> Array<Discorb::Command::Command> (readonly)

Returns The commands that the client is using.

Returns:



45
46
47
# File 'lib/discorb/client.rb', line 45

def commands
  @commands
end

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

Returns A dictionary of emojis.

Returns:



39
40
41
# File 'lib/discorb/client.rb', line 39

def emojis
  @emojis
end

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

Returns A dictionary of guilds.

Returns:



33
34
35
# File 'lib/discorb/client.rb', line 33

def guilds
  @guilds
end

#heartbeat_interval -> Integer (readonly)

Returns The heartbeat interval.

Returns:

  • (Integer)

    The heartbeat interval.



22
23
24
# File 'lib/discorb/client.rb', line 22

def heartbeat_interval
  @heartbeat_interval
end

#http -> Discorb::HTTP (readonly)

Returns The http client.

Returns:



20
21
22
# File 'lib/discorb/client.rb', line 20

def http
  @http
end

#intents -> Discorb::Intents

Returns The intents that the client is currently using.

Returns:



15
16
17
# File 'lib/discorb/client.rb', line 15

def intents
  @intents
end

#log -> Discorb::Logger (readonly)

Returns The logger.

Returns:

  • (Discorb::Logger)

    The logger.



43
44
45
# File 'lib/discorb/client.rb', line 43

def log
  @log
end

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

Returns A dictionary of messages.

Returns:



41
42
43
# File 'lib/discorb/client.rb', line 41

def messages
  @messages
end

#ping -> Float? (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.



49
50
51
# File 'lib/discorb/client.rb', line 49

def ping
  @ping
end

#status -> :initialized, ... (readonly)

Returns The status of the client.

Returns:

  • (:initialized, :running, :closed)

    The status of the client.



51
52
53
# File 'lib/discorb/client.rb', line 51

def status
  @status
end

#token -> String (readonly)

Returns The token of the client.

Returns:

  • (String)

    The token of the client.



27
28
29
# File 'lib/discorb/client.rb', line 27

def token
  @token
end

#user -> Discorb::ClientUser (readonly)

Returns The client user.

Returns:



31
32
33
# File 'lib/discorb/client.rb', line 31

def user
  @user
end

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

Returns A dictionary of users.

Returns:



35
36
37
# File 'lib/discorb/client.rb', line 35

def users
  @users
end

Instance Method Details

#close! -> Object

Stops the client.



410
411
412
413
414
415
# File 'lib/discorb/client.rb', line 410

def close!
  @connection.send_close
  @tasks.each(&:stop)
  @status = :closed
  @close_condition.signal
end

#dispatch(event_name, *args) -> Object

Dispatch an event.

Parameters:

  • event_name (Symbol)

    The name of the event.

  • args (Object)

    The arguments to pass to the event.



142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
# File 'lib/discorb/client.rb', line 142

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?
      @log.debug "Event #{event_name} doesn't have any proc, skipping"
      next
    end
    @log.debug "Dispatching event #{event_name}"
    events.each do |block|
      lambda { |event_args|
        Async(annotation: "Discorb event: #{event_name}") do |task|
          if block.is_a?(Discorb::Event)
            @events[event_name].delete(block) if block.discriminator[:once]
          end
          block.call(*event_args)
          @log.debug "Dispatched proc with ID #{block.id.inspect}"
        rescue StandardError, ScriptError => e
          message = "An error occurred while dispatching proc with ID #{block.id.inspect}\n#{e.full_message}"
          dispatch(:error, event_name, event_args, e)
          if @log.out
            @log.error message
          else
            warn message
          end
        end
      }.call(args)
    end
  end
end

#event_lock(event, timeout = nil, &check) -> 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:

  • (Object)

    The result of the event.

Raises:



335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
# File 'lib/discorb/client.rb', line 335

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

#extend(mod) -> Object

Load the extension.

Parameters:

  • mod (Module)

    The extension to load.



366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
# File 'lib/discorb/client.rb', line 366

def extend(mod)
  if mod.respond_to?(:events)
    @events.each_value do |event|
      event.delete_if { |c| c.discriminator[:extension] == mod.name }
    end
    mod.events.each do |name, events|
      @events[name] = [] if @events[name].nil?
      events.each do |event|
        @events[name] << event
      end
    end
    mod.client = self
  end
  super(mod)
end

#fetch_application(force: false) -> Discorb::Application

Note:

This is an asynchronous method, it will return a Async::Task object. Use Async::Task#wait to get the result.

Note:

This method calls HTTP request.

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

Parameters:

  • force (Boolean) (defaults to: false)

    Whether to force the fetch.

Returns:

Raises:



277
278
279
280
281
282
283
284
285
# File 'lib/discorb/client.rb', line 277

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

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

#fetch_channel(id) -> Discorb::Channel

Note:

This is an asynchronous method, it will return a Async::Task object. Use Async::Task#wait to get the result.

Note:

This method calls HTTP request.

Fetch channel from ID.

Parameters:

  • id (#to_s)

    The ID of the channel.

Returns:

Raises:



224
225
226
227
228
229
# File 'lib/discorb/client.rb', line 224

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

#fetch_guild(id) -> Discorb::Guild

Note:

This is an asynchronous method, it will return a Async::Task object. Use Async::Task#wait to get the result.

Note:

This method calls HTTP request.

Fetch guild from ID.

Parameters:

  • id (#to_s)

    <description>

Returns:

Raises:



242
243
244
245
246
247
# File 'lib/discorb/client.rb', line 242

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

#fetch_invite(code, with_count: false, with_expiration: false) -> Discorb::Invite

Note:

This is an asynchronous method, it will return a Async::Task object. Use Async::Task#wait to get the result.

Note:

This method calls HTTP request.

Fetch invite from code.

Parameters:

  • code (String)

    The code of the invite.

  • with_count (Boolean) (defaults to: false)

    Whether to include the count of the invite.

  • with_expiration (Boolean) (defaults to: false)

    Whether to include the expiration of the invite.

Returns:

Raises:



260
261
262
263
264
265
# File 'lib/discorb/client.rb', line 260

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

#fetch_nitro_sticker_packs -> Array<Discorb::Sticker::Pack>

Note:

This is an asynchronous method, it will return a Async::Task object. Use Async::Task#wait to get the result.

Note:

This method calls HTTP request.

Fetch nitro sticker pack from ID.

Returns:

Raises:



294
295
296
297
298
299
# File 'lib/discorb/client.rb', line 294

def fetch_nitro_sticker_packs
  Async do
    _resp, data = http.get("/stickers-packs").wait
    data.map { |pack| Sticker::Pack.new(self, pack) }
  end
end

#fetch_user(id) -> Discorb::User

Note:

This is an asynchronous method, it will return a Async::Task object. Use Async::Task#wait to get the result.

Note:

This method calls HTTP request.

Fetch user from ID.

Parameters:

  • id (#to_s)

    <description>

Returns:

Raises:



206
207
208
209
210
211
# File 'lib/discorb/client.rb', line 206

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

#inspect -> Object



357
358
359
# File 'lib/discorb/client.rb', line 357

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

#on(event_name, id: nil, **discriminator, &block) -> Discorb::Event

Registers an event handler.

Parameters:

  • event_name (Symbol)

    The name of the event.

  • id (Symbol) (defaults to: nil)

    Custom ID of the event.

  • discriminator (Hash)

    The discriminator of the event.

  • block (Proc)

    The block to execute when the event is triggered.

Returns:

See Also:



104
105
106
107
108
109
# File 'lib/discorb/client.rb', line 104

def on(event_name, id: nil, **discriminator, &block)
  ne = Event.new(block, id, discriminator)
  @events[event_name] ||= []
  @events[event_name] << ne
  ne
end

#once(event_name, id: nil, **discriminator, &block) -> Discorb::Event

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.

  • discriminator (Hash)

    The discriminator of the event.

  • block (Proc)

    The block to execute when the event is triggered.

Returns:



118
119
120
121
122
123
124
# File 'lib/discorb/client.rb', line 118

def once(event_name, id: nil, **discriminator, &block)
  discriminator[:once] = true
  ne = Event.new(block, id, discriminator)
  @events[event_name] ||= []
  @events[event_name] << ne
  ne
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.



132
133
134
# File 'lib/discorb/client.rb', line 132

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

#run(token) -> Object

Starts the client.

Parameters:

  • token (String)

    The token to use.



390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
# File 'lib/discorb/client.rb', line 390

def run(token)
  Async do |task|
    @token = token.to_s
    @close_condition = Async::Condition.new
    main_task = Async do
      @status = :running
      connect_gateway(true).wait
    rescue
      @status = :stopped
      @close_condition.signal
      raise
    end
    @close_condition.wait
    main_task.stop
  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.



307
308
309
310
311
312
313
314
315
316
317
318
319
320
# File 'lib/discorb/client.rb', line 307

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