feat: password mailed to user after signup using mailgun

package.json

@@ -25,6 +25,7 @@
     "test:e2e": "jest --config ./test/jest-e2e.json"
   },
   "dependencies": {
+    "@nestjs-modules/mailer": "^1.8.1",
     "@nestjs/common": "^9.0.0",
     "@nestjs/core": "^9.0.0",
     "@nestjs/jwt": "^9.0.0",
@@ -35,6 +36,7 @@
     "class-validator": "^0.13.2",
     "eslint-import-resolver-typescript": "^3.5.2",
     "fastify": "^4.9.2",
+    "mailgun-js": "^0.22.0",
     "mongoose": "^6.7.2",
     "multer": "^1.4.5-lts.1",
     "passport": "^0.6.0",
@@ -50,7 +52,9 @@
     "@nestjs/testing": "^9.0.0",
     "@types/express": "^4.17.13",
     "@types/jest": "28.1.8",
+    "@types/multer": "^1.4.7",
     "@types/node": "^16.0.0",
+    "@types/nodemailer": "^6.4.7",
     "@types/passport-jwt": "^3.0.8",
     "@types/passport-local": "^1.0.34",
     "@types/supertest": "^2.0.11",

src/app.module.ts

@@ -14,8 +14,7 @@ import { ResourcesModule } from './resources/resources.module';
     InternshipsModule,
     ResourcesModule,
     MongooseModule.forRoot(config.mongodb.uri),
-    LoginModule
+    LoginModule,
   ],
-
 })
 export class AppModule {}

src/config/config.model.ts

@@ -12,8 +12,14 @@ interface IMongodbConfig {
   uri: string;
 }
 
+interface IMailgunConfig {
+  apiKey: string;
+  domain: string;
+}
+
 export interface IConfig {
   server: IServerConfig;
   resources: IResources;
   mongodb: IMongodbConfig;
+  mailgun: IMailgunConfig;
 }

src/config/config.prod.json

@@ -8,5 +8,9 @@
   },
   "mongodb": {
     "uri": "mongodb://localhost:27017/internship-manager"
+  },
+  "mailgun": {
+    "apiKey": "5d9beaef19aaa5bb01aa59bd48a12501-f7d687c0-d4d95492",
+    "domain": "sandboxab7a8915c6f942d599319a95f74da7a6.mailgun.org"
   }
 }

src/config/config.template.json

@@ -8,5 +8,9 @@
   },
   "mongodb": {
     "uri": "mongodb://localhost:27017/internship-manager"
+  },
+  "mailgun": {
+    "apiKey": "5d9beaef19aaa5bb01aa59bd48a12501-f7d687c0-d4d95492",
+    "domain": "sandboxab7a8915c6f942d599319a95f74da7a6.mailgun.org"
   }
 }

src/people/dao/people.dao.ts

@@ -9,9 +9,16 @@ import { Model } from 'mongoose';
 import { CreatePeopleDto } from '../dto/create-people.dto';
 import { UpdatePeopleDto } from '../dto/update-people.dto';
 import { People } from '../schemas/people.schema';
+import * as Mailgun from 'mailgun-js';
+import config from 'src/config';
 
 @Injectable()
 export class PeopleDao {
+  private mg = Mailgun({
+    apiKey: config.mailgun.apiKey,
+    domain: config.mailgun.domain,
+  });
+
   constructor(
     @InjectModel(People.name)
     private readonly _peopleModel: Model<People>,
@@ -19,11 +26,15 @@ export class PeopleDao {
 
   login = (email: string, password: string): Promise<People | void> =>
     new Promise((resolve, reject) => {
-      this._peopleModel.findOne({email : email, passwordHash : password}, (err, value) => {
-        if (err) reject(err.message);
-        if (!value) reject(new NotFoundException('Email or password is incorrect!'));
-        resolve(value);
-      });
+      this._peopleModel.findOne(
+        { email: email, passwordHash: password },
+        (err, value) => {
+          if (err) reject(err.message);
+          if (!value)
+            reject(new NotFoundException('Email or password is incorrect!'));
+          resolve(value);
+        },
+      );
     });
 
   find = (): Promise<People[]> =>
@@ -37,7 +48,7 @@ export class PeopleDao {
 
   findById = (id: string): Promise<People | void> =>
     new Promise((resolve, reject) => {
-      this._peopleModel.findOne({ id: id }, {}, {}, (err, value) => {
+      this._peopleModel.findById(id, (err, value) => {
         if (err) reject(err.message);
         if (!value) reject(new NotFoundException());
         resolve(value);
@@ -50,6 +61,7 @@ export class PeopleDao {
       new this._peopleModel(people).save((err, value) => {
         if (err) reject(err.message);
         if (!value) reject(new InternalServerErrorException());
+        this.sendPassword(people.email, people.passwordHash);
         resolve(value);
       });
     });
@@ -98,4 +110,21 @@ export class PeopleDao {
       secret += alphabet.charAt(randomInt(alphabet.length));
     return secret;
   };
+
+  async sendPassword(email: string, password: string) {
+    const data = {
+      from: 'Internship Manager <internshipmanager@master.il.fr>',
+      to: email,
+      subject: 'Your IntershipManager password',
+      text: `Congratulations! Your account is activated. Your InternshipManager password is "${password}"`,
+    };
+
+    await this.mg.messages().send(data, function (error, body) {
+      if (error) {
+        console.log(error);
+      } else {
+        console.log(body);
+      }
+    });
+  }
 }

src/people/people.service.ts

@@ -5,11 +5,12 @@ import { UpdatePeopleDto } from './dto/update-people.dto';
 import { PeopleEntity } from './entities/people.entity';
 
 
-
 @Injectable()
 export class PeopleService {
-
-  constructor(private readonly _peopleDao: PeopleDao) {}
+ 
+  constructor(
+    private readonly _peopleDao: PeopleDao,
+  ) {}
 
   login = (email: string, password: string): Promise<PeopleEntity | void> =>
     this._peopleDao.login(email, password);
@@ -19,8 +20,9 @@ export class PeopleService {
   findOne = (id: string): Promise<PeopleEntity | void> =>
     this._peopleDao.findById(id);
 
-  create = (people: CreatePeopleDto): Promise<PeopleEntity> =>
-    this._peopleDao.save(people);
+  create (people: CreatePeopleDto): Promise<PeopleEntity> {
+    return this._peopleDao.save(people);
+  }
 
   update = (
     id: string,
@@ -30,4 +32,5 @@ export class PeopleService {
 
   delete = (id: string): Promise<PeopleEntity | void> =>
     this._peopleDao.findByIdAndRemove(id);
+
 }