Put role handling in background task scheduled at startup

server/commands/announce.ts

@@ -1,11 +1,14 @@
-import { Guild, GuildMember, GuildScheduledEvent, GuildScheduledEventEditOptions, GuildScheduledEventSetStatusArg, GuildScheduledEventStatus, Message, MessageCreateOptions, MessageEditOptions, TextChannel, messageLink } from 'discord.js'
+import { Guild, GuildMember, Message, MessageCreateOptions, MessageReaction, Role, TextChannel, User } from 'discord.js'
 import { v4 as uuid } from 'uuid'
+import { client } from '../..'
 import { config } from '../configuration'
-import { Emotes } from '../events/guildScheduledEventCreate'
 import { logger } from '../logger'
 import { Command } from '../structures/command'
 import { RunOptions } from '../types/commandTypes'
-import { client } from '../..'
+import { off } from 'process'
+import { ScheduledTask, schedule } from 'node-cron'
+
+let task: ScheduledTask
 
 export default new Command({
     name: 'announce',
@@ -29,14 +32,18 @@ export default new Command({
 })
 
 function isAdmin(member: GuildMember): boolean {
-    return member.roles.cache.find((role, _) => role.id === config.bot.jf_admin_role) != undefined
+    return member.roles.cache.find((role, _) => role.id === config.bot.jf_admin_role) !== undefined
 }
 
 async function sendAnnouncement(guildId: string, requestId: string): Promise<void> {
     logger.info("Sending announcement")
     const announcementChannel: TextChannel = client.getAnnouncementChannelForGuild(guildId)
 
-    const body = `Hey! @everyone! Hier ist der Watchparty Bot vom Hartzarett. 
+    const currentPinnedAnnouncementMessages = (await announcementChannel.messages.fetchPinned()).filter(message => message.cleanContent.includes("[announcement]"))
+    currentPinnedAnnouncementMessages.forEach(async (message) => await message.unpin())
+    currentPinnedAnnouncementMessages.forEach(message => message.delete())
+
+    const body = `[announcement] Hey! @everyone! Hier ist der Watchparty Bot vom Hartzarett. 
     
 Wir machen in Zukunft regelmäßig Watchparties! Falls du mitmachen möchtest, reagiere einfach auf diesen Post mit 🎫, dann bekommst du automatisch eine Rolle zugewiesen und wirst benachrichtigt sobald es in der Zukunft weitere Watchparties und Filme zum abstimmen gibt.
 
@@ -47,5 +54,46 @@ Für eine Erklärung wie das alles funktioniert mach einfach /mitgucken für ein
         content: body
     }
     const message: Message<true> = await announcementChannel.send(options)
-    message.react("🎫")
+    await message.react("🎫")
+    await message.pin()
+
 }
+
+export async function manageAnnouncementRoles(guild: Guild, reaction: MessageReaction, requestId: string) {
+    const guildId = guild.id
+    logger.info("Managing roles", { guildId, requestId })
+
+    const announcementRole: Role | undefined = (await guild.roles.fetch()).find(role => role.id === config.bot.announcement_role)
+    if (!announcementRole) {
+        logger.error(`Could not find announcement role! Aborting! Was looking for role with id: ${config.bot.announcement_role}`, { guildId, requestId })
+        return
+    }
+
+    const usersWhoWantRole: User[] = (await reaction.users.fetch()).filter(user => !user.bot).map(user => user)
+
+    const allUsers = (await guild.members.fetch())
+
+    const usersWhoHaveRole: GuildMember[] = allUsers
+        .filter(member=> member.roles.cache
+            .find(role => role.id === config.bot.announcement_role) !== undefined)
+        .map(member => member)
+
+    const usersWhoNeedRoleRevoked: GuildMember[] = usersWhoHaveRole
+        .filter(userWhoHas => !usersWhoWantRole.map(wanter => wanter.id).includes(userWhoHas.id))
+
+    const usersWhoDontHaveRole: GuildMember[] = allUsers
+        .filter(member => member.roles.cache
+            .find(role=> role.id === config.bot.announcement_role) === undefined)
+        .map(member => member)
+
+    const usersWhoNeedRole: GuildMember[] = usersWhoDontHaveRole
+        .filter(userWhoNeeds => usersWhoWantRole.map(wanter => wanter.id).includes(userWhoNeeds.id))
+
+
+    logger.debug(`Theses users will get the role removed: ${JSON.stringify(usersWhoNeedRoleRevoked)}`, {guildId, requestId})
+    logger.debug(`Theses users will get the role added: ${JSON.stringify(usersWhoNeedRole)}`, {guildId, requestId})
+
+    usersWhoNeedRoleRevoked.forEach(user => user.roles.remove(announcementRole))
+    usersWhoNeedRole.forEach(user => user.roles.add(announcementRole))
+}
+

server/configuration.ts

@@ -23,6 +23,7 @@ export interface Config {
     workaround_token: string
     watcher_role: string
     jf_admin_role: string
+    announcement_role: string
     announcement_channel_id: string
     jf_collection_id: string
   }
@@ -57,6 +58,7 @@ export const config: Config = {
     workaround_token: process.env.TOKEN ?? "",
     watcher_role: process.env.WATCHER_ROLE ?? "",
     jf_admin_role: process.env.ADMIN_ROLE ?? "",
+    announcement_role: process.env.WATCHPARTY_ANNOUNCEMENT_ROLE ?? "",
     announcement_channel_id: process.env.CHANNEL_ID ?? "",
     jf_collection_id: process.env.JELLYFIN_COLLECTION_ID ?? ""
   }

server/structures/client.ts

@@ -4,6 +4,10 @@ import fs from 'fs'
 import { config } from "../configuration";
 import { logger } from "../logger";
 import { JellyfinHandler } from "../jellyfin/handler";
+import { ScheduledTask, schedule } from "node-cron";
+import { manageAnnouncementRoles } from "../commands/announce";
+import { v4 as uuid } from 'uuid'
+import { task } from "../events/guildScheduledEventCreate";
 
 
 
@@ -13,6 +17,7 @@ export class ExtendedClient extends Client {
   private jellyfin: JellyfinHandler
   public commands: Collection<string, CommandType> = new Collection()
   private announcementChannels: Collection<string, TextChannel> = new Collection //guildId to TextChannel
+  private announcementRoleHandlerTask: Collection<string, ScheduledTask> = new Collection //one task per guild
   public constructor(jf: JellyfinHandler) {
     const intents: IntentsBitField = new IntentsBitField()
     intents.add(IntentsBitField.Flags.GuildMembers, IntentsBitField.Flags.MessageContent, IntentsBitField.Flags.Guilds, IntentsBitField.Flags.DirectMessages, IntentsBitField.Flags.GuildScheduledEvents, IntentsBitField.Flags.GuildVoiceStates)
@@ -60,14 +65,15 @@ export class ExtendedClient extends Client {
         this.commands.set(command.name, command)
         slashCommands.push(command)
       }
-      this.on("ready", (client: Client) => {
+      this.on("ready", async (client: Client) => {
         //logger.info(`Ready processing ${JSON.stringify(client)}`)
         logger.info(`SlashCommands: ${JSON.stringify(slashCommands)}`)
         const guilds = client.guilds.cache
 
         this.registerCommands(slashCommands, guilds)
         this.cacheUsers(guilds)
-        this.cacheAnnouncementServer(guilds)
+        await this.cacheAnnouncementServer(guilds)
+        this.startAnnouncementRoleBackgroundTask(guilds)
       })
     } catch (error) {
       logger.info(`Error refreshing slash commands: ${error}`)
@@ -117,4 +123,39 @@ export class ExtendedClient extends Client {
       logger.error(error)
     }
   }
+
+  public async startAnnouncementRoleBackgroundTask(guilds: Collection<string, Guild>) {
+    for (const guild of guilds.values()) {
+      logger.info("Starting background task for announcement role", { guildId: guild.id })
+      const textChannel: TextChannel = this.getAnnouncementChannelForGuild(guild.id)
+      this.announcementRoleHandlerTask.set(guild.id, schedule("*/10 * * * * *", async () => {
+        const requestId = uuid()
+        const messages = (await textChannel.messages.fetchPinned()).filter(message => message.cleanContent.includes("[announcement]"))
+
+        if (messages.size > 1) {
+          logger.error("More than one pinned announcement Messages found. Unable to know which one people react to. Please fix!", { guildId: guild.id, requestId })
+        } else if (messages.size == 0) {
+          logger.error("Could not find any pinned announcement messages. Unable to manage roles!", { guildId: guild.id, requestId })
+        }
+
+        const message = messages.at(0)!
+
+        const reactions = await message.reactions.resolve("🎫")
+        if (reactions) {
+          manageAnnouncementRoles(message.guild, reactions, requestId)
+        } else {
+          logger.error("Did not get reactions! Aborting!", { guildId: guild.id, requestId })
+        }
+      }))
+    }
+  }
+  public stopAnnouncementRoleBackgroundTask(guild: string | Guild, requestId: string) {
+    const guildId: string = guild instanceof Guild ? guild.id : guild
+    const task: ScheduledTask | undefined = guild instanceof Guild ? this.announcementRoleHandlerTask.get(guild.id) : this.announcementRoleHandlerTask.get(guild)
+    if (!task) {
+      logger.error(`No task found for guildID ${guildId}.`, { guildId, requestId })
+      return
+    }
+    task.stop()
+  }
 }