Merge pull request #36 from DjDeveloperr/main

implement: new Gateway Events, additions to Command Client, message caching

src/gateway/handlers/channelCreate.ts

@@ -1,12 +1,14 @@
 import { Gateway, GatewayEventHandler } from '../index.ts'
 import getChannelByType from '../../utils/getChannelByType.ts'
 import { ChannelPayload } from '../../types/channel.ts'
+import { Guild } from "../../structures/guild.ts"
 
 export const channelCreate: GatewayEventHandler = async (
   gateway: Gateway,
   d: ChannelPayload
 ) => {
-  const channel = getChannelByType(gateway.client, d)
+  const guild: undefined | Guild = (d as any).guild_id !== undefined ? await gateway.client.guilds.get((d as any).guild_id) : undefined
+  const channel = getChannelByType(gateway.client, d, guild)
   if (channel !== undefined) {
     await gateway.client.channels.set(d.id, d)
     gateway.client.emit('channelCreate', channel)

src/gateway/handlers/guildBanAdd.ts

@@ -11,7 +11,7 @@ export const guildBanAdd: GatewayEventHandler = async (
   const user: User = await gateway.client.users.get(d.user.id) ?? new User(gateway.client, d.user)
 
   if (guild !== undefined) {
-    await guild.members.delete(user.id)
+    // We don't have to delete member, already done with guildMemberRemove event
     gateway.client.emit('guildBanAdd', guild, user)
   }
 }

src/gateway/handlers/guildEmojiUpdate.ts

@@ -1,14 +1,53 @@
-import cache from '../../models/cache.ts'
+import { Emoji } from "../../structures/emoji.ts"
 import { Guild } from '../../structures/guild.ts'
+import { EmojiPayload } from "../../types/emoji.ts"
 import { GuildEmojiUpdatePayload } from '../../types/gateway.ts'
 import { Gateway, GatewayEventHandler } from '../index.ts'
 
-export const guildEmojiUpdate: GatewayEventHandler = (
+export const guildEmojiUpdate: GatewayEventHandler = async (
   gateway: Gateway,
   d: GuildEmojiUpdatePayload
 ) => {
-  const guild: Guild = cache.get('guild', d.guild_id)
+  const guild: Guild | undefined = await gateway.client.guilds.get(d.guild_id)
   if (guild !== undefined) {
-    // const emojis = guild.emojis
+    const emojis = await guild.emojis.collection()
+    const deleted: Emoji[] = []
+    const added: Emoji[] = []
+    const updated: Array<{ before: Emoji, after: Emoji }> = []
+    const _updated: EmojiPayload[] = []
+
+    for (const raw of d.emojis) {
+      const has = emojis.get(raw.id)
+      if (has === undefined) {
+        await guild.emojis.set(raw.id, raw)
+        const emoji = await guild.emojis.get(raw.id) as Emoji
+        added.push(emoji)
+      } else _updated.push(raw)
+    }
+
+    for (const emoji of emojis.values()) {
+      const find = _updated.find(e => emoji.id === e.id)
+      if (find === undefined) {
+        await guild.emojis.delete(emoji.id)
+        deleted.push(emoji)
+      } else {
+        const before = await guild.emojis.get(find.id) as Emoji
+        await guild.emojis.set(find.id, find)
+        const after = await guild.emojis.get(find.id) as Emoji
+        updated.push({ before, after })
+      }
+    }
+
+    for (const emoji of deleted) {
+      gateway.client.emit('guildEmojiDelete', emoji)
+    }
+
+    for (const emoji of added) {
+      gateway.client.emit('guildEmojiAdd', emoji)
+    }
+
+    for (const emoji of updated) {
+      gateway.client.emit('guildEmojiUpdate', emoji.before, emoji.after)
+    }
   }
 }

src/gateway/handlers/guildMemberAdd.ts

@@ -0,0 +1,15 @@
+import { Gateway, GatewayEventHandler } from '../index.ts'
+import { Guild } from '../../structures/guild.ts'
+
+export const guildMemberAdd: GatewayEventHandler = async (
+  gateway: Gateway,
+  d: any
+) => {
+  const guild: Guild | undefined = await gateway.client.guilds.get(d.guild_id)
+  // Weird case, shouldn't happen
+  if (guild === undefined) return
+
+  await guild.members.set(d.id, d)
+  const member = await guild.members.get(d.id)
+  gateway.client.emit('guildMemberAdd', member)
+}

src/gateway/handlers/guildMemberRemove.ts

@@ -0,0 +1,21 @@
+import { Gateway, GatewayEventHandler } from '../index.ts'
+import { Guild } from '../../structures/guild.ts'
+import { User } from "../../structures/user.ts"
+
+export const guildMemberRemove: GatewayEventHandler = async (
+  gateway: Gateway,
+  d: any
+) => {
+  const guild: Guild | undefined = await gateway.client.guilds.get(d.guild_id)
+  // Weird case, shouldn't happen
+  if (guild === undefined) return
+
+  const member = await guild.members.get(d.id)
+  await guild.members.delete(d.id)
+
+  if (member !== undefined) gateway.client.emit('guildMemberRemove', member)
+  else {
+    const user = new User(gateway.client, d.user)
+    gateway.client.emit('guildMemberRemoveUncached', user)
+  }
+}

src/gateway/handlers/guildMemberUpdate.ts

@@ -0,0 +1,20 @@
+import { Gateway, GatewayEventHandler } from '../index.ts'
+import { Guild } from '../../structures/guild.ts'
+
+export const guildMemberUpdate: GatewayEventHandler = async (
+  gateway: Gateway,
+  d: any
+) => {
+  const guild: Guild | undefined = await gateway.client.guilds.get(d.guild_id)
+  // Weird case, shouldn't happen
+  if (guild === undefined) return
+
+  const member = await guild.members.get(d.id)
+  await guild.members.set(d.id, d)
+  const newMember = await guild.members.get(d.id)
+
+  if (member !== undefined) gateway.client.emit('guildMemberRemove', member, newMember)
+  else {
+      gateway.client.emit('guildMemberUpdateUncached', newMember)
+  }
+}

src/gateway/handlers/guildRoleCreate.ts

@@ -0,0 +1,16 @@
+import { Gateway, GatewayEventHandler } from '../index.ts'
+import { Guild } from '../../structures/guild.ts'
+import { GuildRoleCreatePayload } from "../../types/gateway.ts"
+
+export const guildRoleCreate: GatewayEventHandler = async (
+  gateway: Gateway,
+  d: GuildRoleCreatePayload
+) => {
+  const guild: Guild | undefined = await gateway.client.guilds.get(d.guild_id)
+  // Weird case, shouldn't happen
+  if (guild === undefined) return
+
+  await guild.roles.set(d.role.id, d.role)
+  const role = await guild.roles.get(d.role.id)
+  gateway.client.emit('guildRoleCreate', role)
+}

src/gateway/handlers/guildRoleDelete.ts

@@ -0,0 +1,18 @@
+import { Gateway, GatewayEventHandler } from '../index.ts'
+import { Guild } from '../../structures/guild.ts'
+import { GuildRoleDeletePayload } from "../../types/gateway.ts"
+
+export const guildRoleDelete: GatewayEventHandler = async (
+  gateway: Gateway,
+  d: GuildRoleDeletePayload
+) => {
+  const guild: Guild | undefined = await gateway.client.guilds.get(d.guild_id)
+  // Weird case, shouldn't happen
+  if (guild === undefined) return
+
+  const role = await guild.roles.get(d.role_id)
+  // Shouldn't happen either
+  if(role === undefined) return
+
+  gateway.client.emit('guildRoleDelete', role)
+}

src/gateway/handlers/guildRoleUpdate.ts

@@ -0,0 +1,21 @@
+import { Gateway, GatewayEventHandler } from '../index.ts'
+import { Guild } from '../../structures/guild.ts'
+import { GuildRoleUpdatePayload } from "../../types/gateway.ts"
+
+export const guildRoleUpdate: GatewayEventHandler = async (
+  gateway: Gateway,
+  d: GuildRoleUpdatePayload
+) => {
+  const guild: Guild | undefined = await gateway.client.guilds.get(d.guild_id)
+  // Weird case, shouldn't happen
+  if (guild === undefined) return
+
+  const role = await guild.roles.get(d.role.id)
+  await guild.roles.set(d.role.id, d.role)
+  const newRole = await guild.roles.get(d.role.id)
+
+  // Shouldn't happen either
+  if(role === undefined) return gateway.client.emit('guildRoleUpdateUncached', newRole)
+
+  gateway.client.emit('guildRoleUpdate', role, newRole)
+}

src/gateway/handlers/index.ts

@@ -13,6 +13,15 @@ import { guildBanRemove } from './guildBanRemove.ts'
 import { messageCreate } from './messageCreate.ts'
 import { resume } from './resume.ts'
 import { reconnect } from './reconnect.ts'
+import { messageDelete } from "./messageDelete.ts"
+import { messageUpdate } from "./messageUpdate.ts"
+import { guildEmojiUpdate } from "./guildEmojiUpdate.ts"
+import { guildMemberAdd } from "./guildMemberAdd.ts"
+import { guildMemberRemove } from "./guildMemberRemove.ts"
+import { guildMemberUpdate } from "./guildMemberUpdate.ts"
+import { guildRoleCreate } from "./guildRoleCreate.ts"
+import { guildRoleDelete } from "./guildRoleDelete.ts"
+import { guildRoleUpdate } from "./guildRoleUpdate.ts"
 
 export const gatewayHandlers: {
   [eventCode in GatewayEvents]: GatewayEventHandler | undefined
@@ -29,20 +38,20 @@ export const gatewayHandlers: {
   GUILD_UPDATE: guildUpdate,
   GUILD_BAN_ADD: guildBanAdd,
   GUILD_BAN_REMOVE: guildBanRemove,
-  GUILD_EMOJIS_UPDATE: undefined,
+  GUILD_EMOJIS_UPDATE: guildEmojiUpdate,
   GUILD_INTEGRATIONS_UPDATE: undefined,
-  GUILD_MEMBER_ADD: undefined,
+  GUILD_MEMBER_ADD: guildMemberAdd,
-  GUILD_MEMBER_REMOVE: undefined,
+  GUILD_MEMBER_REMOVE: guildMemberRemove,
-  GUILD_MEMBER_UPDATE: undefined,
+  GUILD_MEMBER_UPDATE: guildMemberUpdate,
   GUILD_MEMBERS_CHUNK: undefined,
-  GUILD_ROLE_CREATE: undefined,
+  GUILD_ROLE_CREATE: guildRoleCreate,
-  GUILD_ROLE_UPDATE: undefined,
+  GUILD_ROLE_UPDATE: guildRoleUpdate,
-  GUILD_ROLE_DELETE: undefined,
+  GUILD_ROLE_DELETE: guildRoleDelete,
   INVITE_CREATE: undefined,
   INVITE_DELETE: undefined,
   MESSAGE_CREATE: messageCreate,
-  MESSAGE_UPDATE: undefined,
+  MESSAGE_UPDATE: messageUpdate,
-  MESSAGE_DELETE: undefined,
+  MESSAGE_DELETE: messageDelete,
   MESSAGE_DELETE_BULK: undefined,
   MESSAGE_REACTION_ADD: undefined,
   MESSAGE_REACTION_REMOVE: undefined,

src/gateway/handlers/messageCreate.ts

@@ -13,6 +13,7 @@ export const messageCreate: GatewayEventHandler = async (
   if (channel === undefined)
     // eslint-disable-next-line @typescript-eslint/no-unnecessary-type-assertion
     channel = (await gateway.client.channels.fetch(d.channel_id)) as TextChannel
+  await channel.messages.set(d.id, d)
   const user = new User(gateway.client, d.author)
   await gateway.client.users.set(d.author.id, d.author)
   let guild

src/gateway/handlers/messageDelete.ts

@@ -0,0 +1,19 @@
+import { TextChannel } from '../../structures/textChannel.ts'
+import { MessageDeletePayload } from "../../types/gateway.ts"
+import { Gateway, GatewayEventHandler } from '../index.ts'
+
+export const messageDelete: GatewayEventHandler = async (
+  gateway: Gateway,
+  d: MessageDeletePayload
+) => {
+  let channel = await gateway.client.channels.get<TextChannel>(d.channel_id)
+  // Fetch the channel if not cached
+  if (channel === undefined)
+    // eslint-disable-next-line @typescript-eslint/no-unnecessary-type-assertion
+    channel = (await gateway.client.channels.fetch(d.channel_id)) as TextChannel
+
+  const message = await channel.messages.get(d.id)
+  if (message === undefined) return gateway.client.emit('messageDeleteUncached', d)
+  await channel.messages.delete(d.id)
+  gateway.client.emit('messageDelete', message)
+}

src/gateway/handlers/messageUpdate.ts

@@ -0,0 +1,25 @@
+import { Message } from "../../structures/message.ts"
+import { TextChannel } from '../../structures/textChannel.ts'
+import { User } from "../../structures/user.ts"
+import { Gateway, GatewayEventHandler } from '../index.ts'
+
+export const messageUpdate: GatewayEventHandler = async (
+  gateway: Gateway,
+  d: any
+) => {
+  let channel = await gateway.client.channels.get<TextChannel>(d.channel_id)
+  // Fetch the channel if not cached
+  if (channel === undefined)
+    // eslint-disable-next-line @typescript-eslint/no-unnecessary-type-assertion
+    channel = (await gateway.client.channels.fetch(d.channel_id)) as TextChannel
+
+  const message = await channel.messages.get(d.id)
+  const author = message?.author !== undefined ? message.author : new User(gateway.client, d)
+  const newMsg = new Message(gateway.client, d, channel, author)
+  if (message === undefined) {
+    await channel.messages.set(d.id, d)
+    return gateway.client.emit('messageUpdateUncached', newMsg)
+  }
+  await channel.messages.set(d.id, d)
+  gateway.client.emit('messageUpdate', message, newMsg)
+}

src/gateway/handlers/ready.ts

@@ -3,6 +3,7 @@ import { GuildPayload } from '../../types/guild.ts'
 import { Gateway, GatewayEventHandler } from '../index.ts'
 
 export const ready: GatewayEventHandler = async (gateway: Gateway, d: any) => {
+  await gateway.client.guilds.flush()
   gateway.client.user = new User(gateway.client, d.user)
   gateway.sessionID = d.session_id
   gateway.debug(`Received READY. Session: ${gateway.sessionID}`)

src/gateway/index.ts

@@ -115,6 +115,8 @@ class Gateway {
           await this.cache.set('seq', s)
         }
         if (t !== null && t !== undefined) {
+          this.client.emit('raw', t, d)
+          
           const handler = gatewayHandlers[t]
 
           if (handler !== undefined) {

src/managers/memberRoles.ts

@@ -20,7 +20,7 @@ export class MemberRolesManager extends BaseChildManager<
   async get (id: string): Promise<Role | undefined> {
     const res = await this.parent.get(id)
     const mem = await (this.parent as any).guild.members._get(this.member.id) as MemberPayload
-    if (res !== undefined && mem.roles.includes(res.id) === true) return res
+    if (res !== undefined && (mem.roles.includes(res.id) === true || res.id === this.member.guild.id)) return res
     else return undefined
   }
 
@@ -28,7 +28,7 @@ export class MemberRolesManager extends BaseChildManager<
     const arr = (await this.parent.array()) as Role[]
     const mem = await (this.parent as any).guild.members._get(this.member.id) as MemberPayload
     return arr.filter(
-      (c: any) => mem.roles.includes(c.id)
+      (c: any) => mem.roles.includes(c.id) as boolean || c.id === this.member.guild.id
     ) as any
   }
 

src/managers/members.ts

@@ -5,6 +5,7 @@ import { Member } from '../structures/member.ts'
 import { GUILD_MEMBER } from '../types/endpoint.ts'
 import { MemberPayload } from '../types/guild.ts'
 import { BaseManager } from './base.ts'
+import { Permissions } from "../utils/permissions.ts"
 
 export class MembersManager extends BaseManager<MemberPayload, Member> {
   guild: Guild
@@ -18,7 +19,13 @@ export class MembersManager extends BaseManager<MemberPayload, Member> {
     const raw = await this._get(key)
     if (raw === undefined) return
     const user = new User(this.client, raw.user)
-    const res = new this.DataType(this.client, raw, user, this.guild)
+    const roles = await this.guild.roles.array()
+    let permissions = new Permissions(Permissions.DEFAULT)
+    if (roles !== undefined) {
+      const mRoles = roles.filter(r => raw.roles.includes(r.id) as boolean || r.id === this.guild.id)
+      permissions = new Permissions(mRoles.map(r => r.permissions))
+    }
+    const res = new this.DataType(this.client, raw, user, this.guild, permissions)
     return res
   }
 
@@ -27,7 +34,13 @@ export class MembersManager extends BaseManager<MemberPayload, Member> {
       this.client.rest.get(GUILD_MEMBER(this.guild.id, id)).then(async data => {
         await this.set(id, data as MemberPayload)
         const user: User = new User(this.client, data.user)
-        const res = new Member(this.client, data as MemberPayload, user, this.guild)
+        const roles = await this.guild.roles.array()
+        let permissions = new Permissions(Permissions.DEFAULT)
+        if (roles !== undefined) {
+          const mRoles = roles.filter(r => data.roles.includes(r.id) as boolean || r.id === this.guild.id)
+          permissions = new Permissions(mRoles.map(r => r.permissions))
+        }
+        const res = new Member(this.client, data as MemberPayload, user, this.guild, permissions)
         resolve(res)
       }).catch(e => reject(e))
     })

src/managers/messages.ts

@@ -7,8 +7,11 @@ import { CHANNEL_MESSAGE } from '../types/endpoint.ts'
 import { BaseManager } from './base.ts'
 
 export class MessagesManager extends BaseManager<MessagePayload, Message> {
-  constructor (client: Client) {
+  channel: TextChannel
+
+  constructor (client: Client, channel: TextChannel) {
     super(client, 'messages', Message)
+    this.channel = channel
   }
 
   async get (key: string): Promise<Message | undefined> {
@@ -26,18 +29,22 @@ export class MessagesManager extends BaseManager<MessagePayload, Message> {
     return res
   }
 
-  async fetch (channelID: string, id: string): Promise<Message> {
+  async set (key: string, value: MessagePayload): Promise<any> {
+    return this.client.cache.set(this.cacheName, key, value, this.client.messageCacheLifetime)
+  }
+
+  async fetch (id: string): Promise<Message> {
     return await new Promise((resolve, reject) => {
       this.client.rest
-        .get(CHANNEL_MESSAGE(channelID, id))
+        .get(CHANNEL_MESSAGE(this.channel.id, id))
         .then(async data => {
-          this.set(id, data as MessagePayload)
+          await this.set(id, data as MessagePayload)
 
           let channel: any = await this.client.channels.get<TextChannel>(
-            channelID
+            this.channel.id
           )
           if (channel === undefined)
-            channel = await this.client.channels.fetch(channelID)
+            channel = await this.client.channels.fetch(this.channel.id)
 
           const author = new User(this.client, (data as MessagePayload).author)
           await this.client.users.set(

src/models/cacheAdapter.ts

@@ -7,7 +7,7 @@ import {
 
 export interface ICacheAdapter {
   get: (cacheName: string, key: string) => Promise<any> | any
-  set: (cacheName: string, key: string, value: any) => Promise<any> | any
+  set: (cacheName: string, key: string, value: any, expire?: number) => Promise<any> | any
   delete: (cacheName: string, key: string) => Promise<boolean> | boolean
   array: (cacheName: string) => undefined | any[] | Promise<any[] | undefined>
   deleteCache: (cacheName: string) => any
@@ -24,13 +24,16 @@ export class DefaultCacheAdapter implements ICacheAdapter {
     return cache.get(key)
   }
 
-  async set (cacheName: string, key: string, value: any): Promise<any> {
+  async set(cacheName: string, key: string, value: any, expire?: number): Promise<any> {
     let cache = this.data[cacheName]
     if (cache === undefined) {
       this.data[cacheName] = new Collection()
       cache = this.data[cacheName]
     }
-    return cache.set(key, value)
+    cache.set(key, value)
+    if (expire !== undefined) setTimeout(() => {
+      cache.delete(key)
+    }, expire)
   }
 
   async delete(cacheName: string, key: string): Promise<boolean> {
@@ -55,6 +58,8 @@ export class RedisCacheAdapter implements ICacheAdapter {
   _redis: Promise<Redis>
   redis?: Redis
   ready: boolean = false
+  readonly _expireIntervalTimer: number = 5000
+  private _expireInterval?: number
 
   constructor(options: RedisConnectOptions) {
     this._redis = connect(options)
@@ -62,6 +67,7 @@ export class RedisCacheAdapter implements ICacheAdapter {
       redis => {
         this.redis = redis
         this.ready = true
+        this._startExpireInterval()
       },
       () => {
         // TODO: Make error for this
@@ -69,6 +75,26 @@ export class RedisCacheAdapter implements ICacheAdapter {
     )
   }
 
+  private _startExpireInterval(): void {
+    this._expireInterval = setInterval(() => {
+      this.redis?.scan(0, { pattern: '*:expires' }).then(([_, names]) => {
+        for (const name of names) {
+          this.redis?.hvals(name).then(vals => {
+            for (const val of vals) {
+              const expireVal: {
+                name: string,
+                key: string,
+                at: number
+              } = JSON.parse(val)
+              const expired = new Date().getTime() > expireVal.at
+              if (expired) this.redis?.hdel(expireVal.name, expireVal.key)
+            }
+          })
+        }
+      })
+    }, this._expireIntervalTimer)
+  }
+
   async _checkReady(): Promise<void> {
     if (!this.ready) await this._redis
   }
@@ -87,7 +113,8 @@ export class RedisCacheAdapter implements ICacheAdapter {
   async set(
     cacheName: string,
     key: string,
-    value: any
+    value: any,
+    expire?: number
   ): Promise<number | undefined> {
     await this._checkReady()
     const result = await this.redis?.hset(
@@ -95,6 +122,13 @@ export class RedisCacheAdapter implements ICacheAdapter {
       key,
       typeof value === 'object' ? JSON.stringify(value) : value
     )
+    if (expire !== undefined) {
+      await this.redis?.hset(
+        `${cacheName}:expires`,
+        key,
+        JSON.stringify({ name: cacheName, key, at: new Date().getTime() + expire })
+      )
+    }
     return result
   }
 

src/models/client.ts

@@ -7,7 +7,6 @@ import { DefaultCacheAdapter, ICacheAdapter } from './cacheAdapter.ts'
 import { UserManager } from '../managers/users.ts'
 import { GuildManager } from '../managers/guilds.ts'
 import { ChannelsManager } from '../managers/channels.ts'
-import { MessagesManager } from '../managers/messages.ts'
 import {
   ActivityGame,
   ClientActivity,
@@ -31,6 +30,8 @@ export interface ClientOptions {
   bot?: boolean
   /** Force all requests to Canary API */
   canary?: boolean
+  /** Time till which Messages are to be cached, in MS. Default is 3600000 */
+  messageCacheLifetime?: number
 }
 
 /**
@@ -53,11 +54,12 @@ export class Client extends EventEmitter {
   intents?: GatewayIntents[]
   /** Whether to force new session or not */
   forceNewSession?: boolean
+  /** Time till messages to stay cached, in MS. */
+  messageCacheLifetime: number = 3600000
 
   users: UserManager = new UserManager(this)
   guilds: GuildManager = new GuildManager(this)
   channels: ChannelsManager = new ChannelsManager(this)
-  messages: MessagesManager = new MessagesManager(this)
   emojis: EmojisManager = new EmojisManager(this)
   
   /** Whether this client will login as bot user or not */
@@ -80,6 +82,7 @@ export class Client extends EventEmitter {
           : new ClientPresence(options.presence)
     if (options.bot === false) this.bot = false
     if (options.canary === true) this.canary = true
+    if (options.messageCacheLifetime !== undefined) this.messageCacheLifetime = options.messageCacheLifetime
   }
 
   /** Set Cache Adapter */

src/models/command.ts

@@ -4,6 +4,7 @@ import { TextChannel } from '../structures/textChannel.ts'
 import { User } from '../structures/user.ts'
 import { Collection } from '../utils/collection.ts'
 import { CommandClient } from './commandClient.ts'
+import { Extension } from "./extensions.ts"
 
 export interface CommandContext {
   /** The Client object */
@@ -35,8 +36,8 @@ export class Command {
   description?: string
   /** Array of Aliases of Command, or only string */
   aliases?: string | string[]
-  /** Category of the Command */
+  /** Extension (Parent) of the Command */
-  category?: string
+  extension?: Extension
   /** Usage of Command, only Argument Names */
   usage?: string | string[]
   /** Usage Example of Command, only Arguments (without Prefix and Name) */
@@ -45,6 +46,16 @@ export class Command {
   args?: number | boolean
   /** Permission(s) required for using Command */
   permissions?: string | string[]
+  /** Permission(s) bot will need in order to execute Command */
+  botPermissions?: string | string[]
+  /** Role(s) user will require in order to use Command. List or one of ID or name */
+  roles?: string | string[]
+  /** Whitelisted Guilds. Only these Guild(s) can execute Command. (List or one of IDs) */
+  whitelistedGuilds?: string | string[]
+  /** Whitelisted Channels. Command can be executed only in these channels. (List or one of IDs) */
+  whitelistedChannels?: string | string[]
+  /** Whitelisted Users. Command can be executed only by these Users (List or one of IDs) */
+  whitelistedUsers?: string | string[]
   /** Whether the Command can only be used in Guild (if allowed in DMs) */
   guildOnly?: boolean
   /** Whether the Command can only be used in Bot's DMs (if allowed) */
@@ -58,13 +69,16 @@ export class Command {
   execute(ctx: CommandContext): any { }
   /** Method executed after executing command, passes on CommandContext and the value returned by execute too. (optional) */
   afterExecute(ctx: CommandContext, executeResult: any): any { }
+
+  toString(): string {
+    return `Command: ${this.name}${this.extension !== undefined ? ` [${this.extension.name}]` : ''}`
+  }
 }
 
 export class CommandsManager {
   client: CommandClient
   list: Collection<string, Command> = new Collection()
   disabled: Set<string> = new Set()
-  disabledCategories: Set<string> = new Set()
 
   constructor(client: CommandClient) {
     this.client = client
@@ -96,7 +110,6 @@ export class CommandsManager {
     const cmd = this.find(name)
     if (cmd === undefined) return
     if (this.isDisabled(cmd) && bypassDisable !== true) return
-    if (cmd.category !== undefined && this.isCategoryDisabled(cmd.category) && bypassDisable !== true) return
     return cmd
   }
 
@@ -121,7 +134,7 @@ export class CommandsManager {
   add(cmd: Command | typeof Command): boolean {
     // eslint-disable-next-line new-cap
     if (!(cmd instanceof Command)) cmd = new cmd()
-    if (this.exists(cmd)) return false
+    if (this.exists(cmd)) throw new Error(`Failed to add Command '${cmd.toString()}' with name/alias already exists.`)
     this.list.set(cmd.name, cmd)
     return true
   }
@@ -133,11 +146,6 @@ export class CommandsManager {
     else return this.list.delete(find.name)
   }
 
-  /** Get all Commands of given Category */
-  category(name: string): Collection<string, Command> {
-    return this.list.filter(c => c.category === name)
-  }
-
   /** Check whether a Command is disabled or not */
   isDisabled(name: string | Command): boolean {
     const cmd = typeof name === "string" ? this.find(name) : name
@@ -155,18 +163,6 @@ export class CommandsManager {
     this.disabled.add(cmd.name)
     return true
   }
-
-  /** Check whether a Category is disabled */
-  isCategoryDisabled(name: string): boolean {
-    return this.disabledCategories.has(name)
-  }
-
-  /** Disable a Category of Commands */
-  disableCategory(name: string): boolean {
-    if (this.isCategoryDisabled(name)) return false
-    this.disabledCategories.add(name)
-    return true
-  }
 }
 
 export interface ParsedCommand {

src/models/commandClient.ts

@@ -1,7 +1,8 @@
-import { Embed, Message } from '../../mod.ts'
+import { Message } from "../../mod.ts"
 import { awaitSync } from "../utils/mixedPromise.ts"
 import { Client, ClientOptions } from './client.ts'
 import { CommandContext, CommandsManager, parseCommand } from './command.ts'
+import { ExtensionsManager } from "./extensions.ts"
 
 type PrefixReturnType = string | string[] | Promise<string | string[]>
 
@@ -21,33 +22,6 @@ export interface CommandClientOptions extends ClientOptions {
   caseSensitive?: boolean
 }
 
-type CommandText = string | Embed
-
-export interface CommandTexts {
-  GUILD_ONLY?: CommandText
-  OWNER_ONLY?: CommandText
-  DMS_ONLY?: CommandText
-  ERROR?: CommandText
-}
-
-export const DefaultCommandTexts: CommandTexts = {
-  GUILD_ONLY: 'This command can only be used in a Server!',
-  OWNER_ONLY: 'This command can only be used by Bot Owners!',
-  DMS_ONLY: "This command can only be used in Bot's DMs!",
-  ERROR: 'An error occured while executing command!'
-}
-
-interface Replaces {
-  [name: string]: string
-}
-
-export const massReplace = (text: string, replaces: Replaces): string => {
-  Object.entries(replaces).forEach(replace => {
-    text = text.replace(new RegExp(`{{${replace[0]}}}`, 'g'), replace[1])
-  })
-  return text
-}
-
 export class CommandClient extends Client implements CommandClientOptions {
   prefix: string | string[]
   mentionPrefix: boolean
@@ -62,8 +36,8 @@ export class CommandClient extends Client implements CommandClientOptions {
   allowBots: boolean
   allowDMs: boolean
   caseSensitive: boolean
+  extensions: ExtensionsManager = new ExtensionsManager(this)
   commands: CommandsManager = new CommandsManager(this)
-  texts: CommandTexts = DefaultCommandTexts
 
   constructor(options: CommandClientOptions) {
     super(options)
@@ -159,31 +133,9 @@ export class CommandClient extends Client implements CommandClientOptions {
 
     if (command === undefined) return
 
-    const baseReplaces: Replaces = {
+    if (command.whitelistedGuilds !== undefined && msg.guild !== undefined && command.whitelistedGuilds.includes(msg.guild.id) === false) return;
-      command: command.name,
+    if (command.whitelistedChannels !== undefined && command.whitelistedChannels.includes(msg.channel.id) === false) return;
-      nameUsed: parsed.name,
+    if (command.whitelistedUsers !== undefined && command.whitelistedUsers.includes(msg.author.id) === false) return;
-      prefix,
-      username: msg.author.username,
-      tag: msg.author.tag,
-      mention: msg.author.mention,
-      id: msg.author.id
-    }
-
-    if (command.guildOnly === true && msg.guild === undefined) {
-      if (this.texts.GUILD_ONLY !== undefined)
-        return this.sendProcessedText(msg, this.texts.GUILD_ONLY, baseReplaces)
-      return
-    }
-    if (command.dmOnly === true && msg.guild !== undefined) {
-      if (this.texts.DMS_ONLY !== undefined)
-        return this.sendProcessedText(msg, this.texts.DMS_ONLY, baseReplaces)
-      return
-    }
-    if (command.ownerOnly === true && !this.owners.includes(msg.author.id)) {
-      if (this.texts.OWNER_ONLY !== undefined)
-        return this.sendProcessedText(msg, this.texts.OWNER_ONLY, baseReplaces)
-      return
-    }
 
     const ctx: CommandContext = {
       client: this,
@@ -198,8 +150,41 @@ export class CommandClient extends Client implements CommandClientOptions {
       guild: msg.guild
     }
 
+    if (command.ownerOnly === true && !this.owners.includes(msg.author.id)) return this.emit('commandOwnerOnly', ctx, command)
+    if (command.guildOnly === true && msg.guild === undefined) return this.emit('commandGuildOnly', ctx, command)
+    if (command.dmOnly === true && msg.guild !== undefined) return this.emit('commandDmOnly', ctx, command)
+    
+    if (command.botPermissions !== undefined && msg.guild !== undefined) {
+      // TODO: Check Overwrites too
+      const me = await msg.guild.me()
+      const missing: string[] = []
+      
+      for (const perm of command.botPermissions) {
+        if (me.permissions.has(perm) === false) missing.push(perm)
+      }
+
+      if (missing.length !== 0) return this.emit('commandBotMissingPermissions', ctx, command, missing)
+    }
+
+    if (command.permissions !== undefined && msg.guild !== undefined) {
+      const missing: string[] = []
+      let perms: string[] = []
+      if (typeof command.permissions === 'string') perms = [command.permissions]
+      else perms = command.permissions
+      for (const perm of perms) {
+        const has = msg.member?.permissions.has(perm)
+        if (has !== true) missing.push(perm)
+      } 
+      if (missing.length !== 0) return this.emit('commandMissingPermissions', command, missing, ctx)
+    }
+
+    if (command.args !== undefined) {
+      if (typeof command.args === 'boolean' && parsed.args.length === 0) return this.emit('commandMissingArgs', ctx, command)
+      else if (typeof command.args === 'number' && parsed.args.length < command.args) this.emit('commandMissingArgs', ctx, command) 
+    }
+
     try {
-      this.emit('commandUsed', { context: ctx })
+      this.emit('commandUsed', ctx, command)
 
       const beforeExecute = await awaitSync(command.beforeExecute(ctx))
       if (beforeExecute === false) return
@@ -207,30 +192,7 @@ export class CommandClient extends Client implements CommandClientOptions {
       const result = await awaitSync(command.execute(ctx))
       command.afterExecute(ctx, result)
     } catch (e) {
-      if (this.texts.ERROR !== undefined)
+      this.emit('commandError', command, ctx, e)
-        this.sendProcessedText(
-          msg,
-          this.texts.ERROR,
-          Object.assign(baseReplaces, { error: e.message })
-        )
-      this.emit('commandError', { command, parsed, error: e })
-    }
-  }
-
-  sendProcessedText(msg: Message, text: CommandText, replaces: Replaces): any {
-    if (typeof text === 'string') {
-      text = massReplace(text, replaces)
-      return msg.channel.send(text)
-    } else {
-      if (text.description !== undefined)
-        text.description = massReplace(text.description, replaces)
-      if (text.title !== undefined)
-        text.description = massReplace(text.title, replaces)
-      if (text.author?.name !== undefined)
-        text.description = massReplace(text.author.name, replaces)
-      if (text.footer?.text !== undefined)
-        text.description = massReplace(text.footer.text, replaces)
-      return msg.channel.send(text)
     }
   }
 }

src/models/extensions.ts

@@ -0,0 +1,112 @@
+import { Collection } from "../utils/collection.ts";
+import { Command } from "./command.ts";
+import { CommandClient } from "./commandClient.ts";
+
+export type ExtensionEventCallback = (ext: Extension, ...args: any[]) => any
+
+export class ExtensionCommands {
+  extension: Extension
+
+  constructor(ext: Extension) {
+    this.extension = ext
+  }
+
+  get list(): Collection<string, Command> {
+    return this.extension.client.commands.list.filter(c => c.extension?.name === this.extension.name)
+  }
+
+  get(cmd: string): Command | undefined {
+    const find = this.extension.client.commands.find(cmd)
+    // linter sucks
+    if (find === undefined) return undefined
+    else if (find.extension === undefined) return undefined
+    else if (find.extension.name !== this.extension.name) return undefined
+    else return find
+  }
+
+  add(Cmd: Command | typeof Command): boolean {
+    const cmd = Cmd instanceof Command ? Cmd : new Cmd()
+    cmd.extension = this.extension
+    return this.extension.client.commands.add(cmd)
+  }
+
+  delete(cmd: Command | string): boolean {
+    const find = this.extension.client.commands.find(typeof cmd === 'string' ? cmd : cmd.name)
+    if (find === undefined) return false
+    if (find.extension !== undefined && find.extension.name !== this.extension.name) return false
+    else return this.extension.client.commands.delete(find)
+  }
+
+  deleteAll(): void {
+    for (const [cmd] of this.list) {
+      this.delete(cmd)
+    }
+  }
+}
+
+export class Extension {
+  client: CommandClient
+  name: string = ''
+  description?: string
+  commands: ExtensionCommands = new ExtensionCommands(this)
+  events: { [name: string]: (...args: any[]) => {} } = {}
+
+  constructor(client: CommandClient) {
+    this.client = client
+  }
+
+  listen(event: string, cb: ExtensionEventCallback): boolean {
+    if (this.events[event] !== undefined) return false
+    else {
+      const fn = (...args: any[]): any => {
+        // eslint-disable-next-line standard/no-callback-literal
+        cb(this, ...args)
+      };
+      this.client.on(event, fn)
+      this.events[event] = fn
+      return true
+    }
+  }
+
+  load(): any {}
+  unload(): any {}
+}
+
+export class ExtensionsManager {
+  client: CommandClient
+  list: Collection<string, Extension> = new Collection()
+
+  constructor(client: CommandClient) {
+    this.client = client
+  }
+
+  get(ext: string): Extension | undefined {
+    return this.list.get(ext)
+  }
+
+  exists(ext: string): boolean {
+    return this.get(ext) !== undefined
+  }
+
+  load(ext: Extension | typeof Extension): void {
+    // eslint-disable-next-line new-cap
+    if (!(ext instanceof Extension)) ext = new ext(this.client)
+    if (this.exists(ext.name)) throw new Error(`Extension with name '${ext.name}' already exists`)
+    this.list.set(ext.name, ext)
+    ext.load()
+  }
+
+  unload(ext: Extension | string): boolean {
+    const name = typeof ext === 'string' ? ext : ext.name
+    const extension = this.get(name)
+    if (extension === undefined) return false
+    extension.commands.deleteAll()
+    for (const [k, v] of Object.entries(extension.events)) {
+      this.client.removeListener(k, v)
+      // eslint-disable-next-line @typescript-eslint/no-dynamic-delete
+      delete extension.events[k]
+    }
+    extension.unload()
+    return this.list.delete(name)
+  }
+}

src/structures/guild.ts

@@ -8,6 +8,7 @@ import { GuildChannelsManager } from '../managers/guildChannels.ts'
 import { MembersManager } from '../managers/members.ts'
 import { Role } from './role.ts'
 import { GuildEmojisManager } from '../managers/guildEmojis.ts'
+import { Member } from "./member.ts"
 
 export class Guild extends Base {
   id: string
@@ -214,4 +215,10 @@ export class Guild extends Base {
   async getEveryoneRole (): Promise<Role> {
     return (await this.roles.array().then(arr => arr?.sort((b, a) => a.position - b.position)[0]) as any) as Role
   }
+
+  async me(): Promise<Member> {
+    const get = await this.members.get(this.client.user?.id as string)
+    if (get === undefined) throw new Error('Guild#me is not cached')
+    return get
+  }
 }

src/structures/member.ts

@@ -1,6 +1,7 @@
 import { MemberRolesManager } from "../managers/memberRoles.ts"
 import { Client } from '../models/client.ts'
 import { MemberPayload } from '../types/guild.ts'
+import { Permissions } from "../utils/permissions.ts"
 import { Base } from './base.ts'
 import { Guild } from "./guild.ts"
 import { User } from './user.ts'
@@ -15,13 +16,12 @@ export class Member extends Base {
   deaf: boolean
   mute: boolean
   guild: Guild
+  permissions: Permissions
 
-  constructor (client: Client, data: MemberPayload, user: User, guild: Guild) {
+  constructor (client: Client, data: MemberPayload, user: User, guild: Guild, perms?: Permissions) {
     super(client)
     this.id = data.user.id
     this.user = user
-    // this.user =
-    //   cache.get('user', data.user.id) ?? new User(this.client, data.user)
     this.nick = data.nick
     this.guild = guild
     this.roles = new MemberRolesManager(this.client, this.guild.roles, this)
@@ -29,8 +29,8 @@ export class Member extends Base {
     this.premiumSince = data.premium_since
     this.deaf = data.deaf
     this.mute = data.mute
-    // TODO: Cache in Gateway Event Code
+    if (perms !== undefined) this.permissions = perms
-    // cache.set('member', this.id, this)
+    else this.permissions = new Permissions(Permissions.DEFAULT)
   }
 
   protected readFromData (data: MemberPayload): void {

src/structures/role.ts

@@ -1,6 +1,7 @@
 import { Client } from '../models/client.ts'
 import { Base } from './base.ts'
 import { RolePayload } from '../types/role.ts'
+import { Permissions } from "../utils/permissions.ts"
 
 export class Role extends Base {
   id: string
@@ -8,7 +9,7 @@ export class Role extends Base {
   color: number
   hoist: boolean
   position: number
-  permissions: string
+  permissions: Permissions
   managed: boolean
   mentionable: boolean
 
@@ -25,11 +26,9 @@ export class Role extends Base {
     this.color = data.color
     this.hoist = data.hoist
     this.position = data.position
-    this.permissions = data.permissions
+    this.permissions = new Permissions(data.permissions)
     this.managed = data.managed
     this.mentionable = data.mentionable
-    // TODO: Cache in Gateway Event Code
-    // cache.set('role', this.id, this)
   }
 
   protected readFromData (data: RolePayload): void {
@@ -38,7 +37,7 @@ export class Role extends Base {
     this.color = data.color ?? this.color
     this.hoist = data.hoist ?? this.hoist
     this.position = data.position ?? this.position
-    this.permissions = data.permissions ?? this.permissions
+    this.permissions = new Permissions(data.permissions) ?? this.permissions
     this.managed = data.managed ?? this.managed
     this.mentionable = data.mentionable ?? this.mentionable
   }

src/structures/textChannel.ts

@@ -1,3 +1,4 @@
+import { MessagesManager } from "../../mod.ts"
 import { Client } from '../models/client.ts'
 import { GuildTextChannelPayload, MessageOption, Overwrite, TextChannelPayload } from '../types/channel.ts'
 import { CHANNEL_MESSAGE, CHANNEL_MESSAGES } from '../types/endpoint.ts'
@@ -11,9 +12,11 @@ type AllMessageOptions = MessageOption | Embed
 export class TextChannel extends Channel {
   lastMessageID?: string
   lastPinTimestamp?: string
+  messages: MessagesManager
 
   constructor (client: Client, data: TextChannelPayload) {
     super(client, data)
+    this.messages = new MessagesManager(this.client, this)
     this.lastMessageID = data.last_message_id
     this.lastPinTimestamp = data.last_pin_timestamp
   }

src/structures/user.ts

@@ -1,5 +1,6 @@
 import { Client } from '../models/client.ts'
 import { UserPayload } from '../types/user.ts'
+import { UserFlagsManager } from "../utils/userFlags.ts"
 import { Base } from './base.ts'
 
 export class User extends Base {
@@ -13,9 +14,9 @@ export class User extends Base {
   locale?: string
   verified?: boolean
   email?: string
-  flags?: number
+  flags?: UserFlagsManager
   premiumType?: 0 | 1 | 2
-  publicFlags?: number
+  publicFlags?: UserFlagsManager
 
   get tag (): string {
     return `${this.username}#${this.discriminator}`
@@ -41,11 +42,9 @@ export class User extends Base {
     this.locale = data.locale
     this.verified = data.verified
     this.email = data.email
-    this.flags = data.flags
+    this.flags = new UserFlagsManager(data.flags)
     this.premiumType = data.premium_type
-    this.publicFlags = data.public_flags
+    this.publicFlags = new UserFlagsManager(data.public_flags)
-    // TODO: Cache in Gateway Event Code
-    // cache.set('user', this.id, this)
   }
 
   protected readFromData (data: UserPayload): void {
@@ -59,9 +58,9 @@ export class User extends Base {
     this.locale = data.locale ?? this.locale
     this.verified = data.verified ?? this.verified
     this.email = data.email ?? this.email
-    this.flags = data.flags ?? this.flags
+    this.flags = new UserFlagsManager(data.flags) ?? this.flags
     this.premiumType = data.premium_type ?? this.premiumType
-    this.publicFlags = data.public_flags ?? this.publicFlags
+    this.publicFlags = new UserFlagsManager(data.public_flags) ?? this.publicFlags
   }
 
   toString (): string {

src/test/cmd.ts

@@ -1,4 +1,11 @@
-import { CommandClient, Intents } from '../../mod.ts'
+import { Command, CommandClient, Intents } from '../../mod.ts'
+import { GuildChannel } from "../managers/guildChannels.ts"
+import { CommandContext } from "../models/command.ts"
+import { Extension } from "../models/extensions.ts"
+import { Member } from "../structures/member.ts"
+import { Message } from "../structures/message.ts"
+import { Role } from "../structures/role.ts"
+import { MessageDeletePayload } from "../types/gateway.ts"
 import { TOKEN } from './config.ts'
 
 const client = new CommandClient({
@@ -13,10 +20,71 @@ client.on('ready', () => {
   console.log(`[Login] Logged in as ${client.user?.tag}!`)
 })
 
+client.on('messageDelete', (msg: Message) => {
+  console.log(`Message Deleted: ${msg.id}, ${msg.author.tag}, ${msg.content}`)
+})
+
+client.on('messageDeleteUncached', (d: MessageDeletePayload) => {
+  console.log(`Uncached Message Deleted: ${d.id} in ${d.channel_id}`)
+})
+
+client.on('messageUpdate', (before: Message, after: Message) => {
+  console.log('Message Update')
+  console.log(`Before: ${before.author.tag}: ${before.content}`)
+  console.log(`After: ${after.author.tag}: ${after.content}`)
+})
+
+client.on('messageUpdateUncached', (msg: Message) => {
+  console.log(`Message: ${msg.author.tag}: ${msg.content}`)
+})
+
+client.on('guildMemberAdd', (member: Member) => {
+  console.log(`Member Join: ${member.user.tag}`)
+})
+
+client.on('guildMemberRemove', (member: Member) => {
+  console.log(`Member Leave: ${member.user.tag}`)
+})
+
+client.on('guildRoleCreate', (role: Role) => {
+  console.log(`Role Create: ${role.name}`)
+})
+
+client.on('guildRoleDelete', (role: Role) => {
+  console.log(`Role Delete: ${role.name}`)
+})
+
+client.on('guildRoleUpdate', (role: Role, after: Role) => {
+  console.log(`Role Update: ${role.name}, ${after.name}`)
+})
+
 // client.on('messageCreate', msg => console.log(`${msg.author.tag}: ${msg.content}`))
 
 client.on("commandError", console.error)
 
+class ChannelLog extends Extension {
+
+  onChannelCreate(ext: Extension, channel: GuildChannel): void {
+    console.log(`Channel Created: ${channel.name}`)
+  }
+
+  load(): void {
+    this.listen('channelCreate', this.onChannelCreate)
+
+    class Pong extends Command {
+      name = 'Pong'
+
+      execute(ctx: CommandContext): any {
+        ctx.message.reply('Ping!')
+      }
+    }
+
+    this.commands.add(Pong)
+  }
+}
+
+client.extensions.load(ChannelLog)
+
 // eslint-disable-next-line @typescript-eslint/no-floating-promises
 ;(async() => {
   const files = Deno.readDirSync('./src/test/cmds')

src/test/cmds/userinfo.ts

@@ -13,6 +13,7 @@ export default class UserinfoCommand extends Command {
         .setAuthor({ name: member.user.tag })
         .addField("ID", member.id)
         .addField("Roles", roles.map(r => r.name).join(", "))
+        .addField('Permissions', JSON.stringify(member.permissions.has('ADMINISTRATOR')))
         .setColor(0xff00ff)
         ctx.channel.send(embed)
     }

src/types/gateway.ts

@@ -186,7 +186,7 @@ export interface GuildBanRemovePayload {
 
 export interface GuildEmojiUpdatePayload {
   guild_id: string
-  emojis: []
+  emojis: EmojiPayload[]
 }
 
 export interface GuildIntegrationsUpdatePayload {

src/types/permissionFlags.ts

@@ -1,43 +1,35 @@
 // https://discord.com/developers/docs/topics/permissions#permissions-bitwise-permission-flags
 
-enum PermissionFlags {
+export const PermissionFlags: { [key: string]: number } = {
-  CREATE_INSTANT_INVITE = 0x00000001,
+  CREATE_INSTANT_INVITE: 1 << 0,
-
+  KICK_MEMBERS: 1 << 1,
-  KICK_MEMBERS = 0x00000002,
+  BAN_MEMBERS: 1 << 2,
-  BAN_MEMBERS = 0x00000004,
+  ADMINISTRATOR: 1 << 3,
-  ADMINISTRATOR = 0x00000008,
+  MANAGE_CHANNELS: 1 << 4,
-  MANAGE_CHANNELS = 0x00000010,
+  MANAGE_GUILD: 1 << 5,
-  MANAGE_GUILD = 0x00000020,
+  ADD_REACTIONS: 1 << 6,
-
+  VIEW_AUDIT_LOG: 1 << 7,
-  ADD_REACTIONS = 0x00000040,
+  PRIORITY_SPEAKER: 1 << 8,
-  VIEW_AUDIT_LOG = 0x00000080,
+  STREAM: 1 << 9,
-  PRIORITY_SPEAKER = 0x00000100,
+  VIEW_CHANNEL: 1 << 10,
-  STREAM = 0x00000200,
+  SEND_MESSAGES: 1 << 11,
-
+  SEND_TTS_MESSAGES: 1 << 12,
-  VIEW_CHANNEL = 0x00000400,
+  MANAGE_MESSAGES: 1 << 13,
-  SEND_MESSAGES = 0x00000800,
+  EMBED_LINKS: 1 << 14,
-  SEND_TTS_MESSAGES = 0x00001000,
+  ATTACH_FILES: 1 << 15,
-  MANAGE_MESSAGES = 0x00002000,
+  READ_MESSAGE_HISTORY: 1 << 16,
-
+  MENTION_EVERYONE: 1 << 17,
-  EMBED_LINKS = 0x00004000,
+  USE_EXTERNAL_EMOJIS: 1 << 18,
-  ATTACH_FILES = 0x00008000,
+  VIEW_GUILD_INSIGHTS: 1 << 19,
-  READ_MESSAGE_HISTORY = 0x00010000,
+  CONNECT: 1 << 20,
-  MENTION_EVERYONE = 0x00020000,
+  SPEAK: 1 << 21,
-  USE_EXTERNAL_EMOJIS = 0x00040000,
+  MUTE_MEMBERS: 1 << 22,
-  VIEW_GUILD_INSIGHTS = 0x00080000,
+  DEAFEN_MEMBERS: 1 << 23,
-
+  MOVE_MEMBERS: 1 << 24,
-  CONNECT = 0x00100000,
+  USE_VAD: 1 << 25,
-  SPEAK = 0x00200000,
+  CHANGE_NICKNAME: 1 << 26,
-  MUTE_MEMBERS = 0x00400000,
+  MANAGE_NICKNAMES: 1 << 27,
-  DEAFEN_MEMBERS = 0x00800000,
+  MANAGE_ROLES: 1 << 28,
-  MOVE_MEMBERS = 0x01000000,
+  MANAGE_WEBHOOKS: 1 << 29,
-  USE_VAD = 0x02000000,
+  MANAGE_EMOJIS: 1 << 30,
-
-  CHANGE_NICKNAME = 0x04000000,
-  MANAGE_NICKNAMES = 0x08000000,
-  MANAGE_ROLES = 0x10000000,
-  MANAGE_WEBHOOKS = 0x20000000,
-  MANAGE_EMOJIS = 0x40000000
 }
-
-export { PermissionFlags }

src/types/userFlags.ts

@@ -0,0 +1,16 @@
+export const UserFlags = {
+  DISCORD_EMPLOYEE: 1 << 0,
+  PARTNERED_SERVER_OWNER: 1 << 1,
+  DISCORD_PARTNER: 1 << 1,
+  HYPESQUAD_EVENTS: 1 << 2,
+  BUGHUNTER_LEVEL_1: 1 << 3,
+  HOUSE_BRAVERY: 1 << 6,
+  HOUSE_BRILLIANCE: 1 << 7,
+  HOUSE_BALANCE: 1 << 8,
+  EARLY_SUPPORTER: 1 << 9,
+  TEAM_USER: 1 << 10,
+  SYSTEM: 1 << 12,
+  BUGHUNTER_LEVEL_2: 1 << 14,
+  VERIFIED_BOT: 1 << 16,
+  EARLY_VERIFIED_DEVELOPER: 1 << 17
+}

src/utils/bitfield.ts

@@ -0,0 +1,86 @@
+// Ported from https://github.com/discordjs/discord.js/blob/master/src/util/BitField.js
+export type BitFieldResolvable = number | BitField | string | BitField[]
+
+export class BitField {
+  flags: { [name: string]: number } = {}
+  bitfield: number
+
+  constructor(flags: { [name: string]: number }, bits: any) {
+    this.flags = flags
+    this.bitfield = BitField.resolve(this.flags, bits)
+  }
+
+  any(bit: BitFieldResolvable): boolean {
+    return (this.bitfield & BitField.resolve(this.flags, bit)) !== 0
+  }
+
+  equals(bit: BitFieldResolvable): boolean {
+    return this.bitfield === BitField.resolve(this.flags, bit)
+  }
+
+  has(bit: BitFieldResolvable, ...args: any[]): boolean {
+    if (Array.isArray(bit)) return bit.every(p => this.has(p))
+    return (this.bitfield & BitField.resolve(this.flags, bit)) === bit
+  }
+
+  missing(bits: any, ...hasParams: any[]): string[] {
+    if (!Array.isArray(bits)) bits = new BitField(this.flags, bits).toArray(false)
+    return bits.filter((p: any) => !this.has(p, ...hasParams))
+  }
+
+  freeze(): Readonly<BitField> {
+    return Object.freeze(this)
+  }
+
+  add(...bits: BitFieldResolvable[]): BitField {
+    let total = 0
+    for (const bit of bits) {
+      total |= BitField.resolve(this.flags, bit)
+    }
+    if (Object.isFrozen(this)) return new BitField(this.flags, this.bitfield | total)
+    this.bitfield |= total
+    return this
+  }
+
+  remove(...bits: BitFieldResolvable[]): BitField {
+    let total = 0
+    for (const bit of bits) {
+      total |= BitField.resolve(this.flags, bit)
+    }
+    if (Object.isFrozen(this)) return new BitField(this.flags, this.bitfield & ~total)
+    this.bitfield &= ~total
+    return this
+  }
+
+  serialize(...hasParams: any[]): { [key: string]: any } {
+    const serialized: { [key: string]: any } = {}
+    for (const [flag, bit] of Object.entries(this.flags)) serialized[flag] = this.has(BitField.resolve(this.flags, bit), ...hasParams)
+    return serialized
+  }
+
+  toArray(...hasParams: any[]): string[] {
+    return Object.keys(this.flags).filter(bit => this.has(BitField.resolve(this.flags, bit), ...hasParams))
+  }
+
+  toJSON(): number {
+    return this.bitfield
+  }
+
+  valueOf(): number {
+    return this.bitfield
+  }
+
+  *[Symbol.iterator](): Iterator<string> {
+    yield* this.toArray()
+  }
+
+  static resolve(flags: any, bit: BitFieldResolvable = 0): number {
+    if (typeof bit === 'string' && !isNaN(parseInt(bit))) return parseInt(bit)
+    if (typeof bit === 'number' && bit >= 0) return bit
+    if (bit instanceof BitField) return this.resolve(flags, bit.bitfield)
+    if (Array.isArray(bit)) return bit.map(p => this.resolve(flags, p)).reduce((prev, p) => prev | p, 0)
+    if (typeof bit === 'string' && typeof flags[bit] !== 'undefined') return flags[bit]
+    const error = new RangeError('BITFIELD_INVALID')
+    throw error
+  }
+}

src/utils/buildInfo.ts

@@ -33,7 +33,7 @@ export const getBuildInfo = (
   if (Deno.build.os === 'darwin') {
     os = 'MacOS'
     os_version = '10.15.6'
-    browser = 'Safari'
+    browser = 'Firefox'
     browser_version = '14.0.1'
     browser_user_agent =
       'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_6) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/14.0.1 Safari/605.1.15'

src/utils/permissions.ts

@@ -0,0 +1,22 @@
+// Ported from https://github.com/discordjs/discord.js/blob/master/src/util/Permissions.js
+import { PermissionFlags } from "../types/permissionFlags.ts"
+import { BitField } from "./bitfield.ts"
+
+export type PermissionResolvable = string | number | Permissions | PermissionResolvable[]
+
+export class Permissions extends BitField {
+  static DEFAULT = 104324673
+  static ALL = Object.values(PermissionFlags).reduce((all, p) => all | p, 0)
+
+  constructor(bits: any) {
+    super(PermissionFlags, bits)
+  }
+
+  any(permission: PermissionResolvable, checkAdmin = true): boolean {
+    return (checkAdmin && super.has(this.flags.ADMINISTRATOR)) || super.any(permission as any)
+  }
+
+  has(permission: PermissionResolvable, checkAdmin = true): boolean {
+    return (checkAdmin && super.has(this.flags.ADMINISTRATOR)) || super.has(permission as any)
+  }
+}

src/utils/userFlags.ts

@@ -0,0 +1,8 @@
+import { UserFlags } from "../types/userFlags.ts";
+import { BitField } from "./bitfield.ts";
+
+export class UserFlagsManager extends BitField {
+    constructor(bits: any) {
+        super(UserFlags, bits)
+    }
+}