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This commit refactors the whole package gateway as well as utils/ws (formerly utils/wsutil) and voice/voicegateway. The new refactor utilizes a design pattern involving a concurrent loop and an arriving event channel. An additional change was made to the way gateway events are typed. Before, pretty much any type will satisfy a gateway event type, since the actual type was just interface{}. The new refactor defines a concrete interface that events can implement: type Event interface { Op() OpCode EventType() EventType } Using this interface, the user can easily add custom gateway events independently of the library without relying on string maps. This adds a lot of type safety into the library and makes type-switching on Event types much more reasonable. Gateway error callbacks are also almost entirely removed in favor of custom gateway events. A catch-all can easily be added like this: s.AddHandler(func(err error) { log.Println("gateway error:, err") })
94 lines
2.9 KiB
Go
94 lines
2.9 KiB
Go
package gateway
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import (
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"github.com/diamondburned/arikawa/v3/discord"
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"github.com/diamondburned/arikawa/v3/utils/ws"
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)
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// Intents for the new Discord API feature, documented at
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// https://discord.com/developers/docs/topics/gateway#gateway-intents.
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type Intents uint32
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const (
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IntentGuilds Intents = 1 << iota
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IntentGuildMembers
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IntentGuildBans
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IntentGuildEmojis
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IntentGuildIntegrations
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IntentGuildWebhooks
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IntentGuildInvites
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IntentGuildVoiceStates
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IntentGuildPresences
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IntentGuildMessages
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IntentGuildMessageReactions
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IntentGuildMessageTyping
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IntentDirectMessages
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IntentDirectMessageReactions
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IntentDirectMessageTyping
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)
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// PrivilegedIntents contains a list of privileged intents that Discord requires
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// bots to have these intents explicitly enabled in the Developer Portal.
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var PrivilegedIntents = []Intents{
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IntentGuildPresences,
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IntentGuildMembers,
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}
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// Has returns true if i has the given intents.
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func (i Intents) Has(intents Intents) bool {
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return discord.HasFlag(uint64(i), uint64(intents))
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}
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// IsPrivileged returns true for each of the boolean that indicates the type of
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// the privilege.
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func (i Intents) IsPrivileged() (presences, member bool) {
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// Keep this in sync with PrivilegedIntents.
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return i.Has(IntentGuildPresences), i.Has(IntentGuildMembers)
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}
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// EventIntents maps event types to intents.
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var EventIntents = map[ws.EventType]Intents{
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"GUILD_CREATE": IntentGuilds,
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"GUILD_UPDATE": IntentGuilds,
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"GUILD_DELETE": IntentGuilds,
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"GUILD_ROLE_CREATE": IntentGuilds,
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"GUILD_ROLE_UPDATE": IntentGuilds,
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"GUILD_ROLE_DELETE": IntentGuilds,
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"CHANNEL_CREATE": IntentGuilds,
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"CHANNEL_UPDATE": IntentGuilds,
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"CHANNEL_DELETE": IntentGuilds,
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"CHANNEL_PINS_UPDATE": IntentGuilds | IntentDirectMessages,
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"GUILD_MEMBER_ADD": IntentGuildMembers,
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"GUILD_MEMBER_REMOVE": IntentGuildMembers,
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"GUILD_MEMBER_UPDATE": IntentGuildMembers,
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"GUILD_BAN_ADD": IntentGuildBans,
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"GUILD_BAN_REMOVE": IntentGuildBans,
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"GUILD_EMOJIS_UPDATE": IntentGuildEmojis,
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"GUILD_INTEGRATIONS_UPDATE": IntentGuildIntegrations,
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"WEBHOOKS_UPDATE": IntentGuildWebhooks,
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"INVITE_CREATE": IntentGuildInvites,
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"INVITE_DELETE": IntentGuildInvites,
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"VOICE_STATE_UPDATE": IntentGuildVoiceStates,
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"PRESENCE_UPDATE": IntentGuildPresences,
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"MESSAGE_CREATE": IntentGuildMessages | IntentDirectMessages,
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"MESSAGE_UPDATE": IntentGuildMessages | IntentDirectMessages,
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"MESSAGE_DELETE": IntentGuildMessages | IntentDirectMessages,
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"MESSAGE_DELETE_BULK": IntentGuildMessages,
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"MESSAGE_REACTION_ADD": IntentGuildMessageReactions | IntentDirectMessageReactions,
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"MESSAGE_REACTION_REMOVE": IntentGuildMessageReactions | IntentDirectMessageReactions,
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"MESSAGE_REACTION_REMOVE_ALL": IntentGuildMessageReactions | IntentDirectMessageReactions,
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"MESSAGE_REACTION_REMOVE_EMOJI": IntentGuildMessageReactions | IntentDirectMessageReactions,
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"TYPING_START": IntentGuildMessageTyping | IntentDirectMessageTyping,
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}
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