88 lines
3 KiB
JavaScript
88 lines
3 KiB
JavaScript
// @ts-check
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const Ty = require("../../types")
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const DiscordTypes = require("discord-api-types/v10")
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const passthrough = require("../../passthrough")
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const {discord, sync, select} = passthrough
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/** @type {import("../../m2d/converters/utils")} */
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const utils = sync.require("../../m2d/converters/utils")
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/**
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* @typedef ReactionRemoveRequest
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* @prop {string} eventID
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* @prop {string | null} mxid
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* @prop {BigInt} [hash]
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*/
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/**
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* @param {DiscordTypes.GatewayMessageReactionRemoveDispatchData} data
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* @param {Ty.Pagination<Ty.Event.Outer<Ty.Event.M_Reaction>>} relations
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* @param {string} key
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*/
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function removeReaction(data, relations, key) {
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/** @type {ReactionRemoveRequest[]} */
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const removals = []
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const wantToRemoveMatrixReaction = data.user_id === discord.application.id
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for (const event of relations.chunk) {
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const eventID = event.event_id
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if (event.content["m.relates_to"].key === key) {
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const lookingAtMatrixReaction = !utils.eventSenderIsFromDiscord(event.sender)
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if (lookingAtMatrixReaction && wantToRemoveMatrixReaction) {
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// We are removing a Matrix user's reaction, so we need to redact from the correct user ID (not @_ooye_matrix_bridge).
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// Even though the bridge bot only reacted once on Discord-side, multiple Matrix users may have
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// reacted on Matrix-side. Semantically, we want to remove the reaction from EVERY Matrix user.
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// Also need to clean up the database.
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const hash = utils.getEventIDHash(event.event_id)
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removals.push({eventID, mxid: null, hash})
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}
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if (!lookingAtMatrixReaction && !wantToRemoveMatrixReaction) {
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// We are removing a Discord user's reaction, so we just make the sim user remove it.
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const mxid = select("sim", "mxid", {user_id: data.user_id}).pluck().get()
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if (mxid === event.sender) {
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removals.push({eventID, mxid})
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}
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}
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}
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}
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return removals
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}
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/**
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* @param {DiscordTypes.GatewayMessageReactionRemoveEmojiDispatchData} data
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* @param {Ty.Pagination<Ty.Event.Outer<Ty.Event.M_Reaction>>} relations
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* @param {string} key
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*/
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function removeEmojiReaction(data, relations, key) {
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/** @type {ReactionRemoveRequest[]} */
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const removals = []
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for (const event of relations.chunk) {
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const eventID = event.event_id
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if (event.content["m.relates_to"].key === key) {
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const mxid = utils.eventSenderIsFromDiscord(event.sender) ? event.sender : null
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removals.push({eventID, mxid})
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}
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}
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return removals
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}
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/**
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* @param {DiscordTypes.GatewayMessageReactionRemoveAllDispatchData} data
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* @param {Ty.Pagination<Ty.Event.Outer<Ty.Event.M_Reaction>>} relations
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* @returns {ReactionRemoveRequest[]}
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*/
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function removeAllReactions(data, relations) {
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return relations.chunk.map(event => {
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const eventID = event.event_id
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const mxid = utils.eventSenderIsFromDiscord(event.sender) ? event.sender : null
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return {eventID, mxid}
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})
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}
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module.exports.removeReaction = removeReaction
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module.exports.removeEmojiReaction = removeEmojiReaction
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module.exports.removeAllReactions = removeAllReactions
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