out-of-your-element/d2m/actions/remove-reaction.js

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// @ts-check
const Ty = require("../../types")
const DiscordTypes = require("discord-api-types/v10")
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const passthrough = require("../../passthrough")
const {discord, sync, db, select} = passthrough
/** @type {import("../../matrix/api")} */
const api = sync.require("../../matrix/api")
/** @type {import("../converters/emoji-to-key")} */
const emojiToKey = sync.require("../converters/emoji-to-key")
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/** @type {import("../../m2d/converters/emoji")} */
const emoji = sync.require("../../m2d/converters/emoji")
/** @type {import("../converters/remove-reaction")} */
const converter = sync.require("../converters/remove-reaction")
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/**
* @param {DiscordTypes.GatewayMessageReactionRemoveDispatchData | DiscordTypes.GatewayMessageReactionRemoveEmojiDispatchData | DiscordTypes.GatewayMessageReactionRemoveAllDispatchData} data
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*/
async function removeSomeReactions(data) {
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const roomID = select("channel_room", "room_id", {channel_id: data.channel_id}).pluck().get()
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if (!roomID) return
const eventIDForMessage = select("event_message", "event_id", {message_id: data.message_id, reaction_part: 0}).pluck().get()
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if (!eventIDForMessage) return
/** @type {Ty.Event.Outer<Ty.Event.M_Reaction>[]} */
let reactions = []
/** @type {string | undefined} */
let nextBatch = undefined
do {
/** @type {Ty.Pagination<Ty.Event.Outer<Ty.Event.M_Reaction>>} */
const res = await api.getRelations(roomID, eventIDForMessage, {from: nextBatch}, "m.annotation")
reactions = reactions.concat(res.chunk)
nextBatch = res.next_batch
} while (nextBatch)
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// Run the proper strategy and any strategy-specific database changes
const removals = await
( "user_id" in data ? removeReaction(data, reactions)
: "emoji" in data ? removeEmojiReaction(data, reactions)
: removeAllReactions(data, reactions))
// Redact the events and delete individual stored events in the database
for (const removal of removals) {
await api.redactEvent(roomID, removal.eventID, removal.mxid)
if (removal.hash) db.prepare("DELETE FROM reaction WHERE hashed_event_id = ?").run(removal.hash)
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}
}
/**
* @param {DiscordTypes.GatewayMessageReactionRemoveDispatchData} data
* @param {Ty.Event.Outer<Ty.Event.M_Reaction>[]} reactions
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*/
async function removeReaction(data, reactions) {
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const key = await emojiToKey.emojiToKey(data.emoji)
return converter.removeReaction(data, reactions, key)
}
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/**
* @param {DiscordTypes.GatewayMessageReactionRemoveEmojiDispatchData} data
* @param {Ty.Event.Outer<Ty.Event.M_Reaction>[]} reactions
*/
async function removeEmojiReaction(data, reactions) {
const key = await emojiToKey.emojiToKey(data.emoji)
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const discordPreferredEncoding = emoji.encodeEmoji(key, undefined)
db.prepare("DELETE FROM reaction WHERE message_id = ? AND encoded_emoji = ?").run(data.message_id, discordPreferredEncoding)
return converter.removeEmojiReaction(data, reactions, key)
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}
/**
* @param {DiscordTypes.GatewayMessageReactionRemoveAllDispatchData} data
* @param {Ty.Event.Outer<Ty.Event.M_Reaction>[]} reactions
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*/
async function removeAllReactions(data, reactions) {
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db.prepare("DELETE FROM reaction WHERE message_id = ?").run(data.message_id)
return converter.removeAllReactions(data, reactions)
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}
module.exports.removeSomeReactions = removeSomeReactions