Typescript Bootcamp

Author: jhades

rest-api/src/routes/create-user.ts

@@ -0,0 +1,71 @@
+import {NextFunction, Request, Response} from "express";
+import {logger} from "../logger";
+import {AppDataSource} from "../data-source";
+import {User} from "../models/user";
+import {calculatePasswordHash} from "../utils";
+const crypto = require("crypto");
+
+/**
+ *
+ * curl -X POST http://localhost:9000/api/users -H "Content-Type:application/json" -d '{"email": "new-user@angular-university.io", "pictureUrl":"https://avatars.githubusercontent.com/u/5454709", "password": "test123", "isAdmin": false}'
+ *
+ */
+export async function createUser(
+    request: Request, response: Response, next:NextFunction) {
+
+    try {
+
+        logger.debug(`Called createUser()`);
+
+        const {email, pictureUrl, password, isAdmin} = request.body;
+
+        if (!email) {
+            throw "Could not extract the email from the request, aborting.";
+        }
+
+        if (!password) {
+            throw  "Could not extract the plain text password from the request, aborting."
+        }
+
+        const repository = AppDataSource.getRepository(User);
+
+        const user = await repository.createQueryBuilder("users")
+            .where("email = :email", {email})
+            .getOne();
+
+        if (user) {
+            const message = `User with email ${email} already exists, aborting.`;
+            logger.error(message);
+            response.status(500).json({message});
+            return;
+        }
+
+        const passwordSalt = crypto.randomBytes(64).toString('hex');
+
+        const passwordHash = await calculatePasswordHash(password, passwordSalt);
+
+        const newUser = repository.create({
+            email,
+            pictureUrl,
+            isAdmin,
+            passwordHash,
+            passwordSalt
+        });
+
+        await AppDataSource.manager.save(newUser);
+
+        logger.info(`User ${email} has been created.`);
+
+        response.status(200).json({
+            email,
+            pictureUrl,
+            isAdmin
+        });
+
+    }
+    catch (error) {
+        logger.error(`Error calling createUser()`);
+        return next(error);
+    }
+
+}

rest-api/src/server.ts

@@ -20,6 +20,7 @@ import {findLessonsForCourse} from "./routes/find-lessons-for-course";
 import {updateCourse} from "./routes/update-course";
 import {createCourse} from "./routes/create-course";
 import {deleteCourseAndLessons} from "./routes/delete-course";
+import {createUser} from "./routes/create-user";
 
 const cors = require("cors");
 
@@ -48,6 +49,8 @@ function setupExpress() {
 
     app.route("/api/courses/:courseId").delete(deleteCourseAndLessons);
 
+    app.route("/api/users").post(createUser);
+
     app.use(defaultErrorHandler);
 
 }