out-of-your-element/discord/interactions/bridge.js

115 lines
3.7 KiB
JavaScript

// @ts-check
const DiscordTypes = require("discord-api-types/v10")
const Ty = require("../../types")
const {discord, sync, db, select, from, as} = require("../../passthrough")
const assert = require("assert/strict")
/** @type {import("../../matrix/api")} */
const api = sync.require("../../matrix/api")
/** @type {Map<string, Promise<{name: string, value: string}[]>>} spaceID -> list of rooms */
const cache = new Map()
/** @type {Map<string, string>} roomID -> spaceID */
const reverseCache = new Map()
// Manage clearing the cache
sync.addTemporaryListener(as, "type:m.room.name", /** @param {Ty.Event.StateOuter<Ty.Event.M_Room_Name>} event */ async event => {
if (event.state_key !== "") return
const roomID = event.room_id
const spaceID = reverseCache.get(roomID)
if (!spaceID) return
const childRooms = await cache.get(spaceID)
if (!childRooms) return
if (event.content.name) {
const found = childRooms.find(r => r.value === roomID)
if (!found) return
found.name = event.content.name
} else {
cache.set(spaceID, Promise.resolve(childRooms.filter(r => r.value !== roomID)))
reverseCache.delete(roomID)
}
})
// Manage adding to the cache
async function getCachedHierarchy(spaceID) {
return cache.get(spaceID) || (() => {
const entry = (async () => {
const result = await api.getFullHierarchy(spaceID)
/** @type {{name: string, value: string}[]} */
const childRooms = []
for (const room of result) {
if (room.name) {
childRooms.push({name: room.name, value: room.room_id})
reverseCache.set(room.room_id, spaceID)
}
}
return childRooms
})()
cache.set(spaceID, entry)
return entry
})()
}
/** @param {DiscordTypes.APIApplicationCommandAutocompleteGuildInteraction} interaction */
async function interactAutocomplete({id, token, data, guild_id}) {
const spaceID = select("guild_space", "space_id", {guild_id}).pluck().get()
if (!spaceID) {
return discord.snow.interaction.createInteractionResponse(id, token, {
type: DiscordTypes.InteractionResponseType.ApplicationCommandAutocompleteResult,
data: {
choices: [
{
name: `Error: This server needs to be bridged somewhere first...`,
value: "baby"
}
]
}
})
}
let rooms = await getCachedHierarchy(spaceID)
// @ts-ignore
rooms = rooms.filter(r => r.name.startsWith(data.options[0].value))
await discord.snow.interaction.createInteractionResponse(id, token, {
type: DiscordTypes.InteractionResponseType.ApplicationCommandAutocompleteResult,
data: {
choices: rooms
}
})
}
/** @param {DiscordTypes.APIChatInputApplicationCommandGuildInteraction} interaction */
async function interactSubmit({id, token, data, guild_id}) {
const spaceID = select("guild_space", "space_id", {guild_id}).pluck().get()
if (!spaceID) {
return discord.snow.interaction.createInteractionResponse(id, token, {
type: DiscordTypes.InteractionResponseType.ChannelMessageWithSource,
data: {
content: "Error: This server needs to be bridged somewhere first...",
flags: DiscordTypes.MessageFlags.Ephemeral
}
})
}
return discord.snow.interaction.createInteractionResponse(id, token, {
type: DiscordTypes.InteractionResponseType.ChannelMessageWithSource,
data: {
content: "Valid input. This would do something but it isn't implemented yet.",
flags: DiscordTypes.MessageFlags.Ephemeral
}
})
}
/** @param {DiscordTypes.APIGuildInteraction} interaction */
async function interact(interaction) {
if (interaction.type === DiscordTypes.InteractionType.ApplicationCommandAutocomplete) {
return interactAutocomplete(interaction)
} else if (interaction.type === DiscordTypes.InteractionType.ApplicationCommand) {
// @ts-ignore
return interactSubmit(interaction)
}
}
module.exports.interact = interact