added radio subsystem

packages/server/db_models/radioProfile/index.js

@@ -0,0 +1,22 @@
+export default {
+	name: "RadioProfile",
+	collection: "radio_profiles",
+	schema: {
+		user_id: {
+			type: String,
+			required: true,
+		},
+		created_at: {
+			type: Date,
+			required: true,
+		},
+		token: {
+			type: String,
+			required: true,
+			select: false,
+		},
+		background: {
+			type: String,
+		},
+	},
+}

packages/server/services/music/music.service.js

@@ -1,6 +1,7 @@
 import { Server } from "linebridge"
 
 import DbManager from "@shared-classes/DbManager"
+import SSEManager from "@shared-classes/SSEManager"
 
 import SharedMiddlewares from "@shared-middlewares"
 import LimitsClass from "@shared-classes/Limits"
@@ -12,15 +13,17 @@ export default class API extends Server {
 	static listen_port = process.env.HTTP_LISTEN_PORT ?? 3003
 
 	middlewares = {
-        ...SharedMiddlewares
+		...SharedMiddlewares,
 	}
 
 	contexts = {
 		db: new DbManager(),
-        limits: {},
+		SSEManager: new SSEManager(),
 	}
 
 	async onInitialize() {
+		global.sse = this.contexts.SSEManager
+
 		await this.contexts.db.initialize()
 
 		this.contexts.limits = await LimitsClass.get()

packages/server/services/music/routes/music/radio/[radio_id]/get.js

@@ -0,0 +1,9 @@
+export default async (req, res) => {
+	const radioId = req.params.radio_id
+
+	let redisData = await global.websocket.redis
+		.hgetall(`radio-${radioId}`)
+		.catch(() => null)
+
+	return redisData
+}

packages/server/services/music/routes/music/radio/list/get.js

@@ -0,0 +1,47 @@
+import { RadioProfile } from "@db_models"
+
+async function scanKeysWithPagination(pattern, count = 10, cursor = "0") {
+	const result = await global.websocket.redis.scan(
+		cursor,
+		"MATCH",
+		pattern,
+		"COUNT",
+		count,
+	)
+
+	return result[1]
+}
+
+async function getHashData(hashKey) {
+	const hashData = await global.websocket.redis.hgetall(hashKey)
+	return hashData
+}
+
+export default async (req) => {
+	const { limit = 50, offset = 0 } = req.query
+
+	let result = await scanKeysWithPagination(`radio-*`, limit, String(offset))
+
+	const radioIds = result.map((key) => key.split("radio-")[1])
+
+	const radioProfiles = await RadioProfile.find({
+		_id: { $in: radioIds },
+	})
+
+	result = await Promise.all(
+		result.map(async (key) => {
+			let data = await getHashData(key)
+
+			const profile = radioProfiles
+				.find((profile) => profile._id.toString() === data.radio_id)
+				.toObject()
+
+			data.now_playing = JSON.parse(data.now_playing)
+			data.online = ToBoolean(data.online)
+
+			return { ...data, ...profile }
+		}),
+	)
+
+	return result
+}

packages/server/services/music/routes/music/radio/sse/[channel_id]/get.js

@@ -0,0 +1,16 @@
+export default async (req, res) => {
+	const { channel_id } = req.params
+
+	const radioId = channel_id.split("radio:")[1]
+
+	let redisData = await global.websocket.redis
+		.hgetall(`radio-${radioId}`)
+		.catch(() => null)
+
+	global.sse.connectToChannelStream(channel_id, req, res, {
+		initialData: {
+			event: "update",
+			data: redisData,
+		},
+	})
+}

packages/server/services/music/routes/music/radio/webhook/post.js

@@ -0,0 +1,95 @@
+import { RadioProfile } from "@db_models"
+
+function parseBasicAuth(auth) {
+	if (!auth || typeof auth !== "string") {
+		throw new Error("No or wrong argument")
+	}
+
+	var result = {},
+		parts,
+		decoded,
+		colon
+
+	parts = auth.split(" ")
+
+	result.scheme = parts[0]
+	if (result.scheme !== "Basic") {
+		return result
+	}
+
+	decoded = new Buffer(parts[1], "base64").toString("utf8")
+	colon = decoded.indexOf(":")
+
+	result.username = decoded.substr(0, colon)
+	result.password = decoded.substr(colon + 1)
+
+	return result
+}
+
+export default async (req) => {
+	if (!req.headers["authorization"]) {
+		throw new OperationError(401, "Missing authorization header")
+	}
+
+	if (!req.headers["authorization"].startsWith("Basic")) {
+		throw new OperationError(401, "Invalid authorization type. Use Basic.")
+	}
+
+	const auth = parseBasicAuth(req.headers["authorization"])
+
+	const profile = await RadioProfile.find({
+		_id: auth.username,
+	}).select("+token")
+
+	if (!profile) {
+		throw new OperationError(404, "Profile with this token not exist")
+	}
+
+	if (profile.token !== auth.token) {
+		throw new OperationError(401, "Token missmatch")
+	}
+
+	let data = {
+		radio_id: auth.username,
+		listeners: req.body.listeners.total,
+		station_id: req.body.station.id,
+		name: req.body.station.name,
+		hls_src: req.body.station.hls_url,
+		http_src: req.body.station.listen_url,
+		now_playing: req.body.now_playing,
+		online: ToBoolean(req.body.is_online),
+		background: profile.background,
+	}
+
+	const redis_id = `radio-${data.radio_id}`
+
+	const existMember = await global.websocket.redis.hexists(
+		redis_id,
+		"radio_id",
+	)
+
+	if (data.online) {
+		await global.websocket.redis.hset(redis_id, {
+			...data,
+			now_playing: JSON.stringify(data.now_playing),
+		})
+	}
+
+	if (!data.online && existMember) {
+		await global.websocket.redis.hdel(redis_id)
+	}
+
+	console.log(`Updating Radio`, data, {
+		redis_id,
+		online: data.online,
+		existMember,
+	})
+
+	global.sse.sendToChannel(`radio:${data.radio_id}`, {
+		event: "update",
+		data: data,
+	})
+	global.websocket.io.to(`radio:${data.radio_id}`).emit(`update`, data)
+
+	return data
+}