Komplettumstieg auf drizzle

bizmatch-server/src/drizzle/import.ts

@@ -0,0 +1,73 @@
+import 'dotenv/config';
+import { drizzle } from 'drizzle-orm/node-postgres';
+import pkg from 'pg';
+const { Pool } = pkg;
+import * as schema from './schema.js';
+import { readFileSync } from 'fs';
+import { User } from './schema.js';
+
+const connectionString = process.env.DATABASE_URL
+// const pool = new Pool({connectionString})
+const client = new Pool({ connectionString })
+const db = drizzle(client, { schema, logger: true });
+
+//Delete Content
+await db.delete(schema.commercials);
+await db.delete(schema.businesses);
+await db.delete(schema.users);
+
+//Broker
+let filePath = `./data/broker.json`
+let data: string = readFileSync(filePath, 'utf8');
+const userData: User[] = JSON.parse(data); // Erwartet ein Array von Objekten        
+const generatedUserData = []
+console.log(userData.length)
+for (const user of userData) {
+    delete user.id
+    const u = await db.insert(schema.users).values(user).returning({ insertedId: schema.users.id });
+    // console.log(`--> ${u[0].insertedId}`)
+    generatedUserData.push(u[0].insertedId);
+}
+//Business Listings
+filePath = `./data/businesses.json`
+data = readFileSync(filePath, 'utf8');
+const businessJsonData = JSON.parse(data) as schema.BusinessListing[]; // Erwartet ein Array von Objekten        
+
+for (const business of businessJsonData) {
+    delete business.id
+    business.created = new Date(business.created)
+    business.userId = getRandomItem(generatedUserData);
+    await db.insert(schema.businesses).values(business);
+}
+//Corporate Listings
+filePath = `./data/commercials.json`
+data = readFileSync(filePath, 'utf8');
+const commercialJsonData = JSON.parse(data) as schema.CommercialPropertyListing[]; // Erwartet ein Array von Objekten        
+for (const commercial of commercialJsonData) {
+    delete commercial.id
+    commercial.created = getRandomDateWithinLastYear();
+    commercial.userId = getRandomItem(generatedUserData);
+    await db.insert(schema.commercials).values(commercial);
+}
+
+//End
+await client.end()
+
+function getRandomItem<T>(arr: T[]): T {
+    if (arr.length === 0) {
+        throw new Error('The array is empty.');
+    }
+
+    const randomIndex = Math.floor(Math.random() * arr.length);
+    return arr[randomIndex];
+}
+function getRandomDateWithinLastYear(): Date {
+    const currentDate = new Date();
+    const lastYear = new Date(currentDate.getFullYear() - 1, currentDate.getMonth(), currentDate.getDate());
+    
+    const timeDiff = currentDate.getTime() - lastYear.getTime();
+    const randomTimeDiff = Math.random() * timeDiff;
+    const randomDate = new Date(lastYear.getTime() + randomTimeDiff);
+    
+    return randomDate;
+  }