jellyfin-discord-bot/server/events/handleReactionAdd.ts

import { Message, MessageReaction, User } from "discord.js";
import { messageIsVoteMessage } from "../helper/messageIdentifiers";
import { logger, newRequestId, noGuildId } from "../logger";
import { NONE_OF_THAT } from "../constants";
import { client } from "../..";
import { getMembersWithRoleFromGuild } from "../helper/roleFilter";
import { config } from "../configuration";


export const name = 'messageReactionAdd'

export async function execute(messageReaction: MessageReaction, user: User) {
	if (user.id == client.user?.id)
		logger.info('Skipping bot reaction')

	const requestId = newRequestId
	const guildId = messageReaction.message.inGuild() ? messageReaction.message.guildId : noGuildId
	const reactedUponMessage: Message = messageReaction.message.partial ? await messageReaction.message.fetch() : messageReaction.message
	if (!messageReaction.message.guild) return 'No guild'

	logger.info(`Got reaction on message`, { requestId, guildId })
	logger.debug(`reactedUponMessage payload: ${JSON.stringify(reactedUponMessage)}`)

	if (messageIsVoteMessage(reactedUponMessage)) {
		logger.debug(`${reactedUponMessage.id} is vote message`, { requestId, guildId })
		if (messageReaction.message.reactions.cache.find(reaction => reaction.emoji.toString() == NONE_OF_THAT)) {
			const watcherRoleMember = await getMembersWithRoleFromGuild(config.bot.announcement_role, messageReaction.message.guild)
			logger.info("ROLE MEMBERS " + JSON.stringify(watcherRoleMember), { requestId, guildId })
			const watcherRoleMemberCount = watcherRoleMember.size
			logger.info(`MEMBER COUNT: ${watcherRoleMemberCount}`, { requestId, guildId })
			let noneOfThatReactions = messageReaction.message.reactions.cache.get(NONE_OF_THAT)?.users.cache.filter(x => x.id !== client.user?.id).size ?? 0

			const memberThreshold = (watcherRoleMemberCount / 2)
			logger.info(`Reroll ${noneOfThatReactions} > ${memberThreshold} ?`, { requestId, guildId })
			if (noneOfThatReactions > memberThreshold) {
				logger.info('Starting poll reroll', { requestId, guildId })
				messageReaction.message.edit((messageReaction.message.content ?? "").concat('\nDiese Abstimmung muss wiederholt werden.'))
			}
			logger.info(`No reroll`, { requestId, guildId })
		}
	}

	return
}