feat:integration brancjio dynamic links to junior qr code registration

.env.example

@@ -28,4 +28,13 @@ MAIL_HOST=smtp.gmail.com
 MAIL_USER=aahalhmad@gmail.com
 MAIL_PASSWORD=
 MAIL_PORT=587
-MAIL_FROM=UBA
+MAIL_FROM=UBA
+
+
+BRANCH_IO_URL=https://api2.branch.io/v1/url
+BRANCH_IO_KEY=
+ZOD_BASE_URL=http://localhost:5001
+ANDROID_PACKAGE_NAME=com.zod
+IOS_PACKAGE_NAME=com.zod
+ANDRIOD_JUNIOR_DEEPLINK_PATH=zodbank://juniors/qr-code/validate
+IOS_JUNIOR_DEEPLINK_PATH=zodbank://juniors/qr-code/validate

src/junior/junior.module.ts

@@ -1,3 +1,4 @@
+import { HttpModule } from '@nestjs/axios';
 import { Module } from '@nestjs/common';
 import { TypeOrmModule } from '@nestjs/typeorm';
 import { CustomerModule } from '~/customer/customer.module';
@@ -5,12 +6,19 @@ import { UserModule } from '~/user/user.module';
 import { JuniorController } from './controllers';
 import { Junior, JuniorRegistrationToken, Theme } from './entities';
 import { JuniorRepository, JuniorTokenRepository } from './repositories';
-import { JuniorService, JuniorTokenService, QrcodeService } from './services';
+import { BranchIoService, JuniorService, JuniorTokenService, QrcodeService } from './services';
 
 @Module({
   controllers: [JuniorController],
-  providers: [JuniorService, JuniorRepository, JuniorTokenService, JuniorTokenRepository, QrcodeService],
-  imports: [TypeOrmModule.forFeature([Junior, Theme, JuniorRegistrationToken]), UserModule, CustomerModule],
+  providers: [
+    JuniorService,
+    JuniorRepository,
+    JuniorTokenService,
+    JuniorTokenRepository,
+    QrcodeService,
+    BranchIoService,
+  ],
+  imports: [TypeOrmModule.forFeature([Junior, Theme, JuniorRegistrationToken]), UserModule, CustomerModule, HttpModule],
   exports: [JuniorService, JuniorTokenService],
 })
 export class JuniorModule {}

src/junior/services/branch-io.service.ts

@@ -0,0 +1,43 @@
+import { HttpService } from '@nestjs/axios';
+import { Injectable, Logger } from '@nestjs/common';
+import { ConfigService } from '@nestjs/config';
+
+@Injectable()
+export class BranchIoService {
+  private readonly logger = new Logger(BranchIoService.name);
+  private readonly branchIoKey = this.configService.getOrThrow<string>('BRANCH_IO_KEY');
+  private readonly branchIoUrl = this.configService.getOrThrow<string>('BRANCH_IO_URL');
+  private readonly zodBaseUrl = this.configService.getOrThrow<string>('ZOD_BASE_URL');
+  private readonly andrioPackageName = this.configService.getOrThrow<string>('ANDROID_PACKAGE_NAME');
+  private readonly iosPackageName = this.configService.getOrThrow<string>('IOS_PACKAGE_NAME');
+  private readonly androidDeeplinkPath = this.configService.getOrThrow<string>('ANDRIOD_JUNIOR_DEEPLINK_PATH');
+  private readonly iosDeeplinkPath = this.configService.getOrThrow<string>('IOS_JUNIOR_DEEPLINK_PATH');
+  constructor(private readonly configService: ConfigService, private readonly httpService: HttpService) {}
+
+  async createBranchLink(token: string) {
+    this.logger.log(`Creating branch link`);
+    const payload = {
+      branch_key: this.branchIoKey,
+      channel: 'Website',
+      feature: 'Share',
+      alias: token,
+      data: {
+        $desktop_url: `${this.zodBaseUrl}/juniors/qr-code/${token}/validate`,
+        $android_package: this.andrioPackageName,
+        $ios_package: this.iosPackageName,
+        $android_deeplink_path: this.androidDeeplinkPath,
+        $ios_url: this.iosDeeplinkPath,
+        token: token,
+      },
+    };
+    const response = await this.httpService.axiosRef({
+      url: this.branchIoUrl,
+      method: 'POST',
+      headers: {
+        'Content-Type': 'application/json',
+      },
+      data: payload,
+    });
+    return response.data.url;
+  }
+}

src/junior/services/index.ts

@@ -1,3 +1,4 @@
+export * from './branch-io.service';
 export * from './junior-token.service';
 export * from './junior.service';
 export * from './qrcode.service';

src/junior/services/qrcode.service.ts

@@ -1,11 +1,16 @@
 import { Injectable, Logger } from '@nestjs/common';
 import * as qrcode from 'qrcode';
+import { BranchIoService } from './branch-io.service';
 
 @Injectable()
 export class QrcodeService {
+  constructor(private readonly branchIoService: BranchIoService) {}
   private readonly logger = new Logger(QrcodeService.name);
-  generateQrCode(token: string): Promise<string> {
+  async generateQrCode(token: string): Promise<string> {
     this.logger.log(`Generating QR code for token ${token}`);
-    return qrcode.toDataURL(token);
+
+    const link = await this.branchIoService.createBranchLink(token);
+
+    return qrcode.toDataURL(link);
   }
 }