1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
|
import { Request, Response } from "express";
import { QueryResult } from "pg";
import { Server } from "socket.io";
import db from "../database/postgres.js";
import redisClient from "../database/redis.js";
import { ErrorResponse } from "../types/error.js";
import { CreateRequest } from "../types/request.js";
import { CreateRobotResponse, Robot } from "../types/robot.js";
const ROBOTS_CACHE_KEY = "allMyRobots";
async function createRobot(req: Request, res: Response) {
const io: Server = req.app.get("io");
const { name } = req.body as CreateRequest;
if (!name || !name.trim()) {
return res.status(400).json({
message: "Robot name is required.",
});
}
try {
const createNewRobotQuery: QueryResult<Robot> = await db.query(
`
INSERT INTO robots
(name, status, lat, lon, robot_positions)
VALUES ($1, $2, $3, $4, $5)
RETURNING
id, name, status, lat, lon, robot_positions, created_at, updated_at;`,
[name.trim(), "idle", 51.340863, 12.375919, JSON.stringify([])]
);
const newRobot = createNewRobotQuery.rows[0];
// Delete old Redis cache, get all robots again and broadcast update to the frontend
await redisClient.del(ROBOTS_CACHE_KEY);
console.log("Redis cache deleted after robot creation.");
const allRobotsQuery: QueryResult<Robot> = await db.query(
"SELECT * FROM robots ORDER BY id;"
);
const allRobots = allRobotsQuery.rows;
io.emit("robots_update", allRobots);
console.log("WebSocket update with newly created robot.");
const createRobotResponse: CreateRobotResponse = {
message: "Robot successfully created.",
robot: newRobot,
};
return res.status(201).json(createRobotResponse);
} catch (error) {
console.error("Error creating the robot: ", error);
const errorResponse: ErrorResponse = {
message: "Internal server error during robot creation.",
error,
};
return res.status(500).json(errorResponse);
}
}
export default createRobot;
|
