Add auto ban feature

src/index.ts

@@ -2,11 +2,12 @@ import 'source-map-support/register';
 import { Client as DiscordClient, GatewayIntentBits, Guild, MessageFlags, Partials } from 'discord.js';
 import { config } from './config';
 import { Handler } from './types';
-import { initIfNecessary, loadHandlersFrom, openRedisClient, refreshCommands } from './utils';
+import { initIfNecessary, loadHandlersFrom, refreshCommands } from './utils';
 import { initializeDiscordJoiner } from './discord-joiner';
 import { Database } from './shared/Database';
 import { handleAuditLogCreate, handleBulkMessageDelete, handleGuildCreate, handleMemberJoin, handleMessageCreate, handleMessageDelete, handleMessageUpdate, handleThreadCreate, handleVoiceStateUpdate } from './events';
 import { ticketCooldownMap } from './shared/ticket-cooldown';
+import { openRedisClient } from './shared/RedisClient';
 
 let ready = false;
 

src/shared/RedisClient.ts

@@ -1,10 +1,10 @@
 import { createClient } from '@redis/client';
-import { Database } from '../shared/Database';
+import { Database } from './Database';
 import { config } from '../config';
 import { APIEmbedField, Client, EmbedAuthorOptions, EmbedBuilder, SendableChannels, TextBasedChannel } from 'discord.js';
-import { humanizeCapitalization } from './string-utils';
-import { Ticket, TicketPhrase, TicketUpdate } from '../types';
-import { shouldAlert } from './ticket-utils';
+import { humanizeCapitalization } from '../utils/string-utils';
+import { BanUpdate, Ticket, TicketPhrase, TicketUpdate } from '../types';
+import { shouldAlert } from '../utils/ticket-utils';
 
 const MAX_DESCRIPTION_LENGTH = 500;
 
@@ -21,10 +21,51 @@ export async function openRedisClient(url: string, discClient: Client) {
 
   console.log('Connected to redis database');
 
-  await client.subscribe('ticket_updates', updateHandler);
+  await client.subscribe(['ticket_updates', 'ban_updates'], updateHandler);
 }
 
-async function updateHandler(update: string, channel: string) {
+function updateHandler(data: string, channel: string) {
+  switch (channel) {
+    case 'ticket_updates':
+      return ticketUpdateHandler(data);
+    case 'ban_updates':
+      return banUpdateHandler(data);
+  }
+}
+
+async function banUpdateHandler(update: string) {
+  const data: BanUpdate = JSON.parse(update);
+
+  if (data.action == 'create') {
+    banDiscordAccounts(data);
+  } else if (data.action == 'delete') {
+    unbanDiscordAccounts(data);
+  }
+}
+
+async function banDiscordAccounts(data: BanUpdate) {
+  const guild = await discordClient.guilds.fetch(config.DISCORD_GUILD_ID!);
+
+  const discordIds = await Database.getDiscordIds(data.ban.user_id);
+
+  for (const id of discordIds) {
+    await guild.bans.create(id, {
+      reason: data.ban.reason
+    });
+  }
+}
+
+async function unbanDiscordAccounts(data: BanUpdate) {
+  const guild = await discordClient.guilds.fetch(config.DISCORD_GUILD_ID!);
+
+  const discordIds = await Database.getDiscordIds(data.ban.user_id);
+
+  for (const id of discordIds) {
+    await guild.bans.remove(id);
+  }
+}
+
+async function ticketUpdateHandler(update: string) {
   const data: TicketUpdate = JSON.parse(update);
 
   if (data.action == 'create') {

src/types/e621-types.ts

@@ -119,10 +119,23 @@ export type Ticket = {
   target?: string
   status: 'pending' | 'partial' | 'approved'
   category: 'blip' | 'comment' | 'dmail' | 'forum' | 'pool' | 'post' | 'set' | 'user' | 'wiki'
-  reason: 'string'
+  reason: string
 };
 
 export type TicketUpdate = {
   action: 'claim' | 'create' | 'unclaim' | 'update'
   ticket: Ticket
+};
+
+export type Ban = {
+  id: number
+  user_id: number
+  banner_id: number
+  expires_at: string
+  reason: string
+};
+
+export type BanUpdate = {
+  action: 'create' | 'update' | 'delete'
+  ban: Ban
 };

src/utils/index.ts

@@ -2,7 +2,6 @@ export * from './array-utils';
 export * from './audit-log-utils';
 export * from './channel-utils';
 export * from './commands';
-export * from './e621-ticket-listener';
 export * from './e621-utils';
 export * from './message-logger';
 export * from './message-utils';