Put role handling in background task scheduled at startup

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()
+  }
 }