move scheduling of pollclose task to startup

Also moved check function to closepoll.ts

server/commands/closepoll.ts

@@ -1,13 +1,13 @@
+import { addDays, format, isAfter, toDate } from 'date-fns'
 import { Guild, GuildScheduledEvent, GuildScheduledEventEditOptions, GuildScheduledEventSetStatusArg, GuildScheduledEventStatus, Message, MessageCreateOptions, TextChannel } from 'discord.js'
 import { v4 as uuid } from 'uuid'
 import { client } from '../..'
 import { config } from '../configuration'
 import { Emotes } from '../events/guildScheduledEventCreate'
+import { Maybe } from '../interfaces'
 import { logger } from '../logger'
 import { Command } from '../structures/command'
 import { RunOptions } from '../types/commandTypes'
-import { format } from 'date-fns'
-import { Maybe } from '../interfaces'
 
 export default new Command({
     name: 'closepoll',
@@ -145,4 +145,32 @@ function extractMovieFromMessageByEmote(message: Message, emote: string): string
     const movie = emoteLines[0].substring(emoteLines[0].indexOf(emote) + emote.length + 2) // plus colon and space
 
     return movie
+}
+
+export async function checkForPollsToClose(guild: Guild): Promise<void> {
+    const requestId = uuid()
+    logger.info(`Automatic check for poll closing.`, { guildId: guild.id, requestId })
+    const events = (await guild.scheduledEvents.fetch()).filter(event => event.name.toLocaleLowerCase().includes("voting offen")).map(event => event)
+    if(events.length > 1) {
+        logger.error("Handling more than one Event is not implemented yet. Found more than one poll to close")
+        return
+    } else if(events.length == 0) {
+        logger.info("Could not find any events. Cancelling", { guildId: guild.id, requestId })
+    }
+
+    const updatedEvent = events[0]             //add two hours because of different timezones in discord api and Date.now()
+    if (!updatedEvent.scheduledStartTimestamp) {
+        logger.error("Event does not have a scheduled start time. Cancelling", { guildId: guild.id, requestId })
+        return
+    }
+
+    const eventDate: Date = toDate(updatedEvent.scheduledStartTimestamp)
+    const closePollDate: Date = addDays(eventDate, -2)
+
+    if (isAfter(Date.now(), closePollDate)) {
+        logger.info("Less than two days until event. Closing poll", { guildId: guild.id, requestId })
+        closePoll(guild, requestId)
+    } else {
+        logger.info(`ScheduledStart: ${closePollDate}. Now: ${toDate(Date.now())}`, { guildId: guild.id, requestId })
+    }
 }