Refactor reaction removals and add tests

This commit is contained in:
Cadence Ember 2023-10-10 14:03:53 +13:00
parent dc92dc0b69
commit bf0691f9bb
6 changed files with 318 additions and 102 deletions

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

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// @ts-check
const {test} = require("supertape")
const removeReaction = require("./remove-reaction")
const BRIDGE_ID = "684280192553844747"
function fakeSpecificReactionRemoval(userID, emoji, emojiID) {
return {
channel_id: "THE_CHANNEL",
message_id: "THE_MESSAGE",
user_id: userID,
emoji: {id: emojiID, name: emoji}
}
}
function fakeEmojiReactionRemoval(emoji, emojiID) {
return {
channel_id: "THE_CHANNEL",
message_id: "THE_MESSAGE",
emoji: {id: emojiID, name: emoji}
}
}
function fakeAllReactionRemoval() {
return {
channel_id: "THE_CHANNEL",
message_id: "THE_MESSAGE"
}
}
function fakeChunk(chunk) {
return {
chunk: chunk.map(({sender, key}, i) => ({
content: {
"m.relates_to": {
rel_type: "m.annotation",
event_id: "$message",
key
}
},
event_id: `$reaction_${i}`,
sender,
type: "m.reaction",
origin_server_ts: 0,
room_id: "!THE_ROOM",
unsigned: null
}))
}
}
test("remove reaction: a specific discord user's reaction is removed", t => {
const removals = removeReaction.removeReaction(
fakeSpecificReactionRemoval("820865262526005258", "🐈", null),
fakeChunk([{key: "🐈", sender: "@_ooye_crunch_god:cadence.moe"}]),
"🐈"
)
t.deepEqual(removals, [{
eventID: "$reaction_0",
mxid: "@_ooye_crunch_god:cadence.moe"
}])
})
test("remove reaction: a specific matrix user's reaction is removed", t => {
const removals = removeReaction.removeReaction(
fakeSpecificReactionRemoval(BRIDGE_ID, "🐈", null),
fakeChunk([{key: "🐈", sender: "@cadence:cadence.moe"}]),
"🐈"
)
t.deepEqual(removals, [{
eventID: "$reaction_0",
mxid: null,
hash: 2842343637291700751n
}])
})
test("remove reaction: a specific discord user's reaction is removed when there are multiple reactions", t => {
const removals = removeReaction.removeReaction(
fakeSpecificReactionRemoval("820865262526005258", "🐈", null),
fakeChunk([
{key: "🐈‍⬛", sender: "@_ooye_crunch_god:cadence.moe"},
{key: "🐈", sender: "@_ooye_crunch_god:cadence.moe"},
{key: "🐈", sender: "@_ooye_extremity:cadence.moe"},
{key: "🐈", sender: "@cadence:cadence.moe"},
{key: "🐈", sender: "@zoe:cadence.moe"}
]),
"🐈"
)
t.deepEqual(removals, [{
eventID: "$reaction_1",
mxid: "@_ooye_crunch_god:cadence.moe"
}])
})
test("remove reaction: a specific reaction leads to all matrix users' reaction of the emoji being removed", t => {
const removals = removeReaction.removeReaction(
fakeSpecificReactionRemoval(BRIDGE_ID, "🐈", null),
fakeChunk([
{key: "🐈", sender: "@_ooye_crunch_god:cadence.moe"},
{key: "🐈", sender: "@cadence:cadence.moe"},
{key: "🐈‍⬛", sender: "@zoe:cadence.moe"},
{key: "🐈", sender: "@zoe:cadence.moe"},
{key: "🐈", sender: "@_ooye_extremity:cadence.moe"}
]),
"🐈"
)
t.deepEqual(removals, [{
eventID: "$reaction_1",
mxid: null,
hash: -8635141960139030904n
}, {
eventID: "$reaction_3",
mxid: null,
hash: 326222869084879263n
}])
})
test("remove reaction: an emoji removes all instances of the emoij from both sides", t => {
const removals = removeReaction.removeEmojiReaction(
fakeEmojiReactionRemoval("🐈", null),
fakeChunk([
{key: "🐈", sender: "@_ooye_crunch_god:cadence.moe"},
{key: "🐈", sender: "@cadence:cadence.moe"},
{key: "🐈‍⬛", sender: "@zoe:cadence.moe"},
{key: "🐈", sender: "@zoe:cadence.moe"},
{key: "🐈", sender: "@_ooye_extremity:cadence.moe"}
]),
"🐈"
)
t.deepEqual(removals, [{
eventID: "$reaction_0",
mxid: "@_ooye_crunch_god:cadence.moe"
}, {
eventID: "$reaction_1",
mxid: null
}, {
eventID: "$reaction_3",
mxid: null
}, {
eventID: "$reaction_4",
mxid: "@_ooye_extremity:cadence.moe"
}])
})
test("remove reaction: remove all removes all from both sides", t => {
const removals = removeReaction.removeAllReactions(
fakeAllReactionRemoval(),
fakeChunk([
{key: "🐈", sender: "@_ooye_crunch_god:cadence.moe"},
{key: "🐈", sender: "@cadence:cadence.moe"},
{key: "🐈‍⬛", sender: "@zoe:cadence.moe"},
{key: "🐈", sender: "@zoe:cadence.moe"},
{key: "🐈", sender: "@_ooye_extremity:cadence.moe"}
])
)
t.deepEqual(removals, [{
eventID: "$reaction_0",
mxid: "@_ooye_crunch_god:cadence.moe"
}, {
eventID: "$reaction_1",
mxid: null
}, {
eventID: "$reaction_2",
mxid: null
}, {
eventID: "$reaction_3",
mxid: null
}, {
eventID: "$reaction_4",
mxid: "@_ooye_extremity:cadence.moe"
}])
})