Typescript Bootcamp

Author: jhades

rest-api/package.json

@@ -9,7 +9,9 @@
     "start-dev-server": "tsc-watch --onSuccess \"node dist/server.js\"",
     "dev": "npm-run-all clean build start-dev-server",
     "populate-db": "npm-run-all clean build run-populate-db-script",
-    "run-populate-db-script": "node dist/models/populate-db.js"
+    "run-populate-db-script": "node dist/models/populate-db.js",
+    "delete-db": "npm-run-all clean build run-delete-db-script",
+    "run-delete-db-script": "node dist/models/delete-db.js"
   },
   "author": "",
   "license": "MIT",

rest-api/src/models/delete-db.ts

@@ -0,0 +1,34 @@
+import * as dotenv from "dotenv";
+
+const result = dotenv.config();
+
+import "reflect-metadata";
+import {AppDataSource} from "../data-source";
+import {Lesson} from "./lesson";
+import {Course} from "./course";
+
+async function deleteDb() {
+
+    await AppDataSource.initialize();
+
+    console.log(`Database connection ready.`);
+
+    console.log(`Clearing LESSONS table.`);
+
+    await AppDataSource.getRepository(Lesson).delete({});
+
+    console.log(`Clearing COURSES table.`);
+
+    await AppDataSource.getRepository(Course).delete({});
+
+}
+
+
+deleteDb()
+    .then(() => {
+        console.log(`Finished deleting database, exiting!`);
+        process.exit(0);
+    })
+    .catch(err => {
+        console.error(`Error deleting database.`, err);
+    });