Files
stats/apps/api/src/controllers/live.controller.ts
Carl-Gerhard Lindesvärd ecf68463c9 🙊 escape sql strings
2024-03-28 15:57:13 +01:00

111 lines
2.8 KiB
TypeScript

import type { FastifyReply, FastifyRequest } from 'fastify';
import { escape } from 'sqlstring';
import type * as WebSocket from 'ws';
import { getSafeJson } from '@openpanel/common';
import type { IServiceCreateEventPayload } from '@openpanel/db';
import { getEvents, getLiveVisitors } from '@openpanel/db';
import { redis, redisPub, redisSub } from '@openpanel/redis';
export function getLiveEventInfo(key: string) {
return key.split(':').slice(2) as [string, string];
}
export async function test(
req: FastifyRequest<{
Params: {
projectId: string;
};
}>,
reply: FastifyReply
) {
const [event] = await getEvents(
`SELECT * FROM events WHERE project_id = ${escape(req.params.projectId)} AND name = 'screen_view' LIMIT 1`
);
if (!event) {
return reply.status(404).send('No event found');
}
redisPub.publish('event', JSON.stringify(event));
redis.set(
`live:event:${event.projectId}:${Math.random() * 1000}`,
'',
'EX',
10
);
reply.status(202).send(event);
}
export function wsVisitors(
connection: {
socket: WebSocket;
},
req: FastifyRequest<{
Params: {
projectId: string;
};
}>
) {
const { params } = req;
redisSub.subscribe('event');
redisSub.psubscribe('__key*:expired');
const message = (channel: string, message: string) => {
if (channel === 'event') {
const event = getSafeJson<IServiceCreateEventPayload>(message);
if (event?.projectId === params.projectId) {
getLiveVisitors(params.projectId).then((count) => {
connection.socket.send(String(count));
});
}
}
};
const pmessage = (pattern: string, channel: string, message: string) => {
const [projectId] = getLiveEventInfo(message);
if (projectId && projectId === params.projectId) {
getLiveVisitors(params.projectId).then((count) => {
connection.socket.send(String(count));
});
}
};
redisSub.on('message', message);
redisSub.on('pmessage', pmessage);
connection.socket.on('close', () => {
redisSub.unsubscribe('event');
redisSub.punsubscribe('__key*:expired');
redisSub.off('message', message);
redisSub.off('pmessage', pmessage);
});
}
export function wsEvents(
connection: {
socket: WebSocket;
},
req: FastifyRequest<{
Params: {
projectId: string;
};
}>
) {
const { params } = req;
redisSub.subscribe('event');
const message = (channel: string, message: string) => {
const event = getSafeJson<IServiceCreateEventPayload>(message);
if (event?.projectId === params.projectId) {
connection.socket.send(JSON.stringify(event));
}
};
redisSub.on('message', message);
connection.socket.on('close', () => {
redisSub.unsubscribe('event');
redisSub.off('message', message);
});
}