Original payload
${util.inspect(gatewayMessage.d, false, 4, false)}
`)
await api.sendEvent(roomID, "m.room.message", {
...builder.get(),
"moe.cadence.ooye.error": {
source: "discord",
payload: gatewayMessage
},
"m.mentions": {
user_ids: ["@cadence:cadence.moe"]
}
})
},
/**
* When logging back in, check if we missed any conversations in any channels. Bridge up to 49 missed messages per channel.
* If more messages were missed, only the latest missed message will be posted. TODO: Consider bridging more, or post a warning when skipping history?
* This can ONLY detect new messages, not any other kind of event. Any missed edits, deletes, reactions, etc will not be bridged.
* @param {import("./discord-client")} client
* @param {DiscordTypes.GatewayGuildCreateDispatchData} guild
*/
async checkMissedMessages(client, guild) {
if (guild.unavailable) return
const bridgedChannels = select("channel_room", "channel_id").pluck().all()
const prepared = select("event_message", "event_id", {}, "WHERE message_id = ?").pluck()
for (const channel of guild.channels.concat(guild.threads)) {
if (!bridgedChannels.includes(channel.id)) continue
if (!("last_message_id" in channel) || !channel.last_message_id) continue
const latestWasBridged = prepared.get(channel.last_message_id)
if (latestWasBridged) continue
// Permissions check
const member = guild.members.find(m => m.user?.id === client.user.id)
if (!member) return
if (!("permission_overwrites" in channel)) continue
const permissions = dUtils.getPermissions(member.roles, guild.roles, client.user.id, channel.permission_overwrites)
if (!dUtils.hasAllPermissions(permissions, ["ViewChannel", "ReadMessageHistory"])) continue // We don't have permission to look back in this channel
/** More recent messages come first. */
// console.log(`[check missed messages] in ${channel.id} (${guild.name} / ${channel.name}) because its last message ${channel.last_message_id} is not in the database`)
let messages
try {
messages = await client.snow.channel.getChannelMessages(channel.id, {limit: 50})
} catch (e) {
if (e.message === `{"message": "Missing Access", "code": 50001}`) { // pathetic error handling from SnowTransfer
console.log(`[check missed messages] no permissions to look back in channel ${channel.name} (${channel.id})`)
continue // Sucks.
} else {
throw e // Sucks more.
}
}
let latestBridgedMessageIndex = messages.findIndex(m => {
return prepared.get(m.id)
})
// console.log(`[check missed messages] got ${messages.length} messages; last message that IS bridged is at position ${latestBridgedMessageIndex} in the channel`)
if (latestBridgedMessageIndex === -1) latestBridgedMessageIndex = 1 // rather than crawling the ENTIRE channel history, let's just bridge the most recent 1 message to make it up to date.
for (let i = Math.min(messages.length, latestBridgedMessageIndex)-1; i >= 0; i--) {
const simulatedGatewayDispatchData = {
guild_id: guild.id,
backfill: true,
...messages[i]
}
await module.exports.onMessageCreate(client, simulatedGatewayDispatchData)
}
}
},
/**
* When logging back in, check if the pins on Matrix-side are up to date. If they aren't, update all pins.
* Rather than query every room on Matrix-side, we cache the latest pinned message in the database and compare against that.
* @param {import("./discord-client")} client
* @param {DiscordTypes.GatewayGuildCreateDispatchData} guild
*/
async checkMissedPins(client, guild) {
if (guild.unavailable) return
const member = guild.members.find(m => m.user?.id === client.user.id)
if (!member) return
for (const channel of guild.channels) {
if (!("last_pin_timestamp" in channel) || !channel.last_pin_timestamp) continue // Only care about channels that have pins
if (!("permission_overwrites" in channel)) continue
const lastPin = updatePins.convertTimestamp(channel.last_pin_timestamp)
// Permissions check
const permissions = dUtils.getPermissions(member.roles, guild.roles, client.user.id, channel.permission_overwrites)
if (!dUtils.hasAllPermissions(permissions, ["ViewChannel", "ReadMessageHistory"])) continue // We don't have permission to look up the pins in this channel
const row = select("channel_room", ["room_id", "last_bridged_pin_timestamp"], {channel_id: channel.id}).get()
if (!row) continue // Only care about already bridged channels
if (row.last_bridged_pin_timestamp == null || lastPin > row.last_bridged_pin_timestamp) {
checkMissedPinsSema.request(() => updatePins.updatePins(channel.id, row.room_id, lastPin))
}
}
},
/**
* When logging back in, check if we missed any changes to emojis or stickers. Apply the changes if so.
* @param {DiscordTypes.GatewayGuildCreateDispatchData} guild
*/
async checkMissedExpressions(guild) {
const data = {guild_id: guild.id, ...guild}
createSpace.syncSpaceExpressions(data, true)
},
/**
* Announces to the parent room that the thread room has been created.
* See notes.md, "Ignore MESSAGE_UPDATE and bridge THREAD_CREATE as the announcement"
* @param {import("./discord-client")} client
* @param {DiscordTypes.APIThreadChannel} thread
*/
async onThreadCreate(client, thread) {
const channelID = thread.parent_id || undefined
const parentRoomID = select("channel_room", "room_id", {channel_id: channelID}).pluck().get()
if (!parentRoomID) return // Not interested in a thread if we aren't interested in its wider channel
const threadRoomID = await createRoom.syncRoom(thread.id) // Create room (will share the same inflight as the initial message to the thread)
await announceThread.announceThread(parentRoomID, threadRoomID, thread)
},
/**
* @param {import("./discord-client")} client
* @param {DiscordTypes.GatewayGuildUpdateDispatchData} guild
*/
async onGuildUpdate(client, guild) {
const spaceID = select("guild_space", "space_id", {guild_id: guild.id}).pluck().get()
if (!spaceID) return
await createSpace.syncSpace(guild)
},
/**
* @param {import("./discord-client")} client
* @param {DiscordTypes.GatewayChannelUpdateDispatchData} channelOrThread
* @param {boolean} isThread
*/
async onChannelOrThreadUpdate(client, channelOrThread, isThread) {
const roomID = select("channel_room", "room_id", {channel_id: channelOrThread.id}).pluck().get()
if (!roomID) return // No target room to update the data on
await createRoom.syncRoom(channelOrThread.id)
},
/**
* @param {import("./discord-client")} client
* @param {DiscordTypes.GatewayChannelPinsUpdateDispatchData} data
*/
async onChannelPinsUpdate(client, data) {
const roomID = select("channel_room", "room_id", {channel_id: data.channel_id}).pluck().get()
if (!roomID) return // No target room to update pins in
const convertedTimestamp = updatePins.convertTimestamp(data.last_pin_timestamp)
await updatePins.updatePins(data.channel_id, roomID, convertedTimestamp)
},
/**
* @param {import("./discord-client")} client
* @param {DiscordTypes.GatewayMessageCreateDispatchData} message
*/
async onMessageCreate(client, message) {
if (message.author.username === "Deleted User") return // Nothing we can do for deleted users.
const channel = client.channels.get(message.channel_id)
if (!channel || !("guild_id" in channel) || !channel.guild_id) return // Nothing we can do in direct messages.
const guild = client.guilds.get(channel.guild_id)
assert(guild)
if (message.webhook_id) {
const row = select("webhook", "webhook_id", {webhook_id: message.webhook_id}).pluck().get()
if (row) return // The message was sent by the bridge's own webhook on discord. We don't want to reflect this back, so just drop it.
}
if (dUtils.isEphemeralMessage(message)) return // Ephemeral messages are for the eyes of the receiver only!
const {affected, row} = await speedbump.maybeDoSpeedbump(message.channel_id, message.id)
if (affected) return
// @ts-ignore
await sendMessage.sendMessage(message, channel, guild, row),
await discordCommandHandler.execute(message, channel, guild)
retrigger.messageFinishedBridging(message.id)
},
/**
* @param {import("./discord-client")} client
* @param {DiscordTypes.GatewayMessageUpdateDispatchData} data
*/
async onMessageUpdate(client, data) {
// Based on looking at data they've sent me over the gateway, this is the best way to check for meaningful changes.
// If the message content is a string then it includes all interesting fields and is meaningful.
// Otherwise, if there are embeds, then the system generated URL preview embeds.
if (!(typeof data.content === "string" || "embeds" in data)) return
// Deal with Eventual Consistency(TM)
if (retrigger.eventNotFoundThenRetrigger(data.id, module.exports.onMessageUpdate, client, data)) return
if (data.webhook_id) {
const row = select("webhook", "webhook_id", {webhook_id: data.webhook_id}).pluck().get()
if (row) return // The message was sent by the bridge's own webhook on discord. We don't want to reflect this back, so just drop it.
}
if (dUtils.isEphemeralMessage(data)) return // Ephemeral messages are for the eyes of the receiver only!
// Edits need to go through the speedbump as well. If the message is delayed but the edit isn't, we don't have anything to edit from.
const {affected, row} = await speedbump.maybeDoSpeedbump(data.channel_id, data.id)
if (affected) return
/** @type {DiscordTypes.GatewayMessageCreateDispatchData} */
// @ts-ignore
const message = data
const channel = client.channels.get(message.channel_id)
if (!channel || !("guild_id" in channel) || !channel.guild_id) return // Nothing we can do in direct messages.
const guild = client.guilds.get(channel.guild_id)
assert(guild)
// @ts-ignore
await editMessage.editMessage(message, guild, row)
},
/**
* @param {import("./discord-client")} client
* @param {DiscordTypes.GatewayMessageReactionAddDispatchData} data
*/
async onReactionAdd(client, data) {
if (data.user_id === client.user.id) return // m2d reactions are added by the discord bot user - do not reflect them back to matrix.
discordCommandHandler.onReactionAdd(data)
await addReaction.addReaction(data)
},
/**
* @param {import("./discord-client")} client
* @param {DiscordTypes.GatewayMessageReactionRemoveDispatchData | DiscordTypes.GatewayMessageReactionRemoveEmojiDispatchData | DiscordTypes.GatewayMessageReactionRemoveAllDispatchData} data
*/
async onSomeReactionsRemoved(client, data) {
await removeReaction.removeSomeReactions(data)
},
/**
* @param {import("./discord-client")} client
* @param {DiscordTypes.GatewayMessageDeleteDispatchData} data
*/
async onMessageDelete(client, data) {
speedbump.onMessageDelete(data.id)
if (retrigger.eventNotFoundThenRetrigger(data.id, module.exports.onMessageDelete, client, data)) return
await deleteMessage.deleteMessage(data)
},
/**
* @param {import("./discord-client")} client
* @param {DiscordTypes.GatewayMessageDeleteBulkDispatchData} data
*/
async onMessageDeleteBulk(client, data) {
await deleteMessage.deleteMessageBulk(data)
},
/**
* @param {import("./discord-client")} client
* @param {DiscordTypes.GatewayTypingStartDispatchData} data
*/
async onTypingStart(client, data) {
const roomID = select("channel_room", "room_id", {channel_id: data.channel_id}).pluck().get()
if (!roomID) return
const mxid = from("sim").join("sim_member", "mxid").where({user_id: data.user_id, room_id: roomID}).pluck("mxid").get()
if (!mxid) return
// Each Discord user triggers the notification every 8 seconds as long as they remain typing.
// Discord does not send typing stopped events, so typing only stops if the timeout is reached or if the user sends their message.
// (We have to manually stop typing on Matrix-side when the message is sent. This is part of the send action.)
await api.sendTyping(roomID, true, mxid, 10000)
},
/**
* @param {import("./discord-client")} client
* @param {DiscordTypes.GatewayGuildEmojisUpdateDispatchData | DiscordTypes.GatewayGuildStickersUpdateDispatchData} data
*/
async onExpressionsUpdate(client, data) {
await createSpace.syncSpaceExpressions(data, false)
}
}