2024-11-04 07:19:42 +01:00

358 lines
11 KiB
TypeScript

import * as sqlite3 from "sqlite3";
type User = {
id: string;
github_id: number;
username: string;
displayName: string;
email: string;
role: string | undefined;
isPowerUser: boolean;
};
type Printer = {
id: string;
name: string;
description: string;
status: number;
};
type PrintJob = {
id: string;
printerId: string;
userId: string;
startAt: number;
durationInMinutes: number;
comments: string;
aborted: boolean;
abortReason: string | null;
};
import { faker } from "@faker-js/faker";
import { random, sample } from "lodash";
import { DateTime } from "luxon";
import { open } from "sqlite";
import { v4 as uuidv4 } from "uuid";
const dbPath = "./db/sqlite.db";
// Configurations for test data generation
const startDate = DateTime.fromISO("2024-11-01");
const endDate = DateTime.fromISO("2024-11-30");
const holidays: string[] = []; // Example holidays
const existingJobs: PrintJob[] = [];
// Calendar week usage configs
const weekUsage = {
44: { minJobs: 4, maxJobs: 6 },
45: { minJobs: 10, maxJobs: 15 },
46: { minJobs: 10, maxJobs: 15 },
47: { minJobs: 3, maxJobs: 5 },
48: { minJobs: 10, maxJobs: 15 },
};
const printerUsageBias = {
fastPrints: ["Printer A", "Printer B"],
largePrints: ["Printer C", "Printer D", "Printer E"],
};
const initDB = async () => {
console.log("Initializing database connection...");
return open({
filename: dbPath,
driver: sqlite3.Database,
});
};
const createUser = (isPowerUser = false): User => {
const name = [faker.person.firstName(), faker.person.lastName()];
const user = {
id: uuidv4(),
github_id: faker.number.int(),
username: `${name[0].slice(0, 2)}${name[1].slice(0, 6)}`.toUpperCase(),
displayName: `${name[0]} ${name[1]}`.toUpperCase(),
email: `${name[0]}.${name[1]}@mercedes-benz.com`,
role: sample(["user", "admin"]),
isPowerUser,
};
console.log("Created user:", user);
return user;
};
const createPrinter = (): Printer => {
const printer = {
id: uuidv4(),
name: `Printer ${faker.number.int({ max: 9 })}`,
description: faker.lorem.sentence(),
status: random(0, 2),
};
console.log("Created printer:", printer);
return printer;
};
const isPrinterAvailable = (printer: Printer, startAt: number, duration: number): boolean => {
const endAt = startAt + duration * 60 * 1000; // Convert minutes to milliseconds
return !existingJobs.some((job) => {
const jobStart = job.startAt;
const jobEnd = job.startAt + job.durationInMinutes * 60 * 1000;
return (
printer.id === job.printerId &&
((startAt >= jobStart && startAt < jobEnd) ||
(endAt > jobStart && endAt <= jobEnd) ||
(startAt <= jobStart && endAt >= jobEnd))
);
});
};
const weightedSampleUser = (users: User[]): User | undefined => {
const weights = users.map((user) => (user.isPowerUser ? 3 : 1));
const weightedUsers = users.flatMap((user, index) => Array(weights[index]).fill(user));
return sample(weightedUsers);
};
const normalRandom = (mean: number, stdDev: number): number => {
let u = 0;
let v = 0;
while (u === 0) u = Math.random();
while (v === 0) v = Math.random();
return mean + stdDev * Math.sqrt(-2 * Math.log(u)) * Math.cos(2 * Math.PI * v);
};
const createPrintJob = (users: User[], printers: Printer[], startAt: number): PrintJob | null => {
const user = weightedSampleUser(users) as User;
let printer: Printer;
// Probabilistic determination for large prints
const isLargePrint = random(0, 100) < 30; // 30% chance for a large print
if (isLargePrint) {
printer = sample(printers.filter((p) => printerUsageBias.largePrints.includes(p.name))) as Printer;
} else {
printer = sample(printers.filter((p) => printerUsageBias.fastPrints.includes(p.name))) as Printer;
}
if (!printer) {
printer = sample(printers) as Printer;
}
// Variable duration for print jobs with realistic limits
let duration = Math.round(normalRandom(isLargePrint ? 240 : 75, 30));
const minDuration = 15;
const maxDuration = isLargePrint ? 5760 : 3540; // Maximum duration of 96 hours or 59 minutes in minutes
if (isLargePrint) {
duration = Math.min(duration, maxDuration);
}
duration = Math.max(duration, minDuration);
duration = Math.min(duration, maxDuration);
// Ensure printer availability
if (!isPrinterAvailable(printer, startAt, duration)) {
console.log("Printer not available, skipping job creation.");
return null;
}
// Dynamic error probability based on printer status, duration, and other factors
let aborted = false;
let abortReason = null;
const baseErrorRate = Math.max(0, Math.min(5, 100)); // Ensure error rate is between 0% and 100%
const userErrorModifier = user.isPowerUser ? -2 : 2; // Power users make fewer errors
const timeErrorModifier =
startAt >= DateTime.fromObject({ hour: 14 }).toMillis() && startAt <= DateTime.fromObject({ hour: 17 }).toMillis()
? 1
: 0; // More errors in the afternoon
const errorRate = baseErrorRate + userErrorModifier + timeErrorModifier;
if (random(0, 100) < Math.max(0, Math.min(errorRate, 100))) {
aborted = true;
abortReason = generateDynamicAbortReason();
}
const printJob = {
id: uuidv4(),
printerId: printer.id,
userId: user.id,
startAt,
durationInMinutes: duration,
comments: faker.lorem.sentence(),
aborted,
abortReason,
};
console.log("Created print job:", printJob);
return printJob;
};
const generateDynamicAbortReason = (): string => {
const reasons = [
"Filament gerissen",
"Drucker überhitzt",
"Schichtversatz festgestellt",
"Düse verstopft",
"Kalibrierung fehlgeschlagen",
`E${random(500, 599)}`, // Error codes
];
let reason = sample(reasons) as string;
// Add typos to simulate human variability
if (random(0, 1)) {
reason = reason.replace("e", random(0, 1) ? "é" : "e");
}
return reason;
};
const generatePrintJobsForWeek = async (
users: User[],
printers: Printer[],
weekNumber: number,
// biome-ignore lint/suspicious/noExplicitAny: <explanation>
db: any,
dryRun: boolean,
) => {
console.log(`Generating print jobs for week ${weekNumber}...`);
const weekConfig = weekUsage[weekNumber as keyof typeof weekUsage];
const totalJobs = random(weekConfig.minJobs, weekConfig.maxJobs);
const startOfWeek = startDate.plus({ weeks: weekNumber - 44 });
let jobsRemaining = totalJobs;
for (let day = 0; day < 7; day++) {
const dayDate = startOfWeek.plus({ days: day });
if (dayDate > endDate || jobsRemaining <= 0) break;
if (holidays.includes(dayDate.toISODate() as string) || dayDate.weekday === 6 || dayDate.weekday === 7) {
console.log(`Skipping holiday or weekend: ${dayDate.toISODate()}`);
continue;
}
// Update printer status to simulate maintenance or breakdowns
for (const printer of printers) {
if (random(0, 100) < 5) {
// 5% chance per day that a printer goes out of service
printer.status = 2; // Status 2 means "out of service"
console.log(`Printer ${printer.name} is out of service on ${dayDate.toISODate()}`);
} else if (printer.status === 2) {
printer.status = 0; // Printer becomes available again
}
}
const jobsForDay = Math.min(jobsRemaining, random(1, 3));
jobsRemaining -= jobsForDay;
console.log(`Generating ${jobsForDay} print jobs for day ${dayDate.toISODate()}...`);
for (let i = 0; i < jobsForDay; i++) {
// Simulate peak usage in the morning and after lunch
const timeSlots = [
{ hour: 7, minute: 0 },
{ hour: 11, minute: 0 },
{ hour: 13, minute: 0 },
{ hour: 15, minute: 0 },
];
const selectedSlot = sample(timeSlots) as {
hour: number;
minute: number;
};
const startAt = DateTime.fromISO(
`${dayDate.toISODate()}T${String(selectedSlot.hour).padStart(2, "0")}:${String(selectedSlot.minute + random(0, 30)).padStart(2, "0")}:00`,
);
const printJob = createPrintJob(users, printers, startAt.toMillis());
if (printJob) {
if (!dryRun) {
await db.run(
`INSERT INTO printJob (id, printerId, userId, startAt, durationInMinutes, comments, aborted, abortReason)
VALUES (?, ?, ?, ?, ?, ?, ?, ?)`,
[
printJob.id,
printJob.printerId,
printJob.userId,
printJob.startAt,
printJob.durationInMinutes,
printJob.comments,
printJob.aborted ? 1 : 0,
printJob.abortReason,
],
);
}
existingJobs.push(printJob);
console.log("Inserted print job into database:", printJob.id);
console.log(
JSON.stringify({
event: "PrintJobCreated",
jobId: printJob.id,
printerId: printJob.printerId,
userId: printJob.userId,
startAt: new Date(printJob.startAt).toISOString(),
duration: printJob.durationInMinutes,
aborted: printJob.aborted,
}),
);
}
}
}
};
const generateTestData = async (dryRun = false): Promise<void> => {
console.log("Starting test data generation...");
const db = await initDB();
// Generate users and printers
const users = [
...Array.from({ length: 7 }, () => createUser(false)),
...Array.from({ length: 3 }, () => createUser(true)),
];
const printers = Array.from({ length: 5 }, createPrinter);
if (!dryRun) {
// Insert users into the database
for (const user of users) {
await db.run(
`INSERT INTO user (id, github_id, name, displayName, email, role)
VALUES (?, ?, ?, ?, ?, ?)`,
[user.id, user.github_id, user.username, user.displayName, user.email, user.role],
);
console.log("Inserted user into database:", user.id);
}
// Insert printers into the database
for (const printer of printers) {
await db.run(
`INSERT INTO printer (id, name, description, status)
VALUES (?, ?, ?, ?)`,
[printer.id, printer.name, printer.description, printer.status],
);
console.log("Inserted printer into database:", printer.id);
}
}
const validateData = (printJobs: PrintJob[], users: User[], printers: Printer[]): void => {
for (const job of printJobs) {
const userExists = users.some((user) => user.id === job.userId);
const printerExists = printers.some((printer) => printer.id === job.printerId);
if (!userExists || !printerExists) {
console.error(`Invalid job detected: ${job.id}`);
}
}
};
// Generate print jobs for each week
for (const weekNumber of Object.keys(weekUsage) as unknown as number[]) {
await generatePrintJobsForWeek(users, printers, Number.parseInt(`${weekNumber}`), db, dryRun);
console.log(`======> 📅 Week ${weekNumber}`);
validateData(existingJobs, users, printers);
}
if (!dryRun) {
await db.close();
console.log("Database connection closed. Test data generation complete.");
} else {
console.log("Dry run complete. No data was written to the database.");
}
};
generateTestData(process.argv.includes("--dry-run"))
.then(() => {
console.log("Test data generation script finished.");
})
.catch((err) => {
console.error("Error generating test data:", err);
});