richard483 · richard483 · Nov 15, 2023 · Oct 30, 2023 · Nov 5, 2023 · Nov 10, 2023
diff --git a/package-lock.json b/package-lock.json
diff --git a/package.json b/package.json
@@ -12,11 +12,11 @@
     "build": "nest build",
     "format": "prettier --write \"src/**/*.ts\" \"test/**/*.ts\"",
     "init:db": "docker compose up -d && npx prisma generate && npx prisma migrate dev && npx prisma db seed",
-    "start": "node dist/main",
+    "start": "node dist/src/main",
     "dev": "nest build --webpack --webpackPath webpack-hmr.config.js --watch",
     "start:dev": "nest start --watch",
     "start:debug": "nest start --debug --watch",
-    "start:prod": "node dist/main",
+    "start:prod": "node dist/src/main",
     "lint": "eslint \"{src,apps,libs,test}/**/*.ts\" --fix",
     "test": "jest",
     "test:watch": "jest --watch",
@@ -36,10 +36,13 @@
     "ajv": "^6.12.6",
     "bcrypt": "^5.1.1",
     "class-validator": "^0.14.0",
+    "handlebars": "^4.7.8",
+    "jspdf": "^2.5.1",
     "passport": "^0.6.0",
     "passport-google-oauth20": "^2.0.0",
     "passport-jwt": "^4.0.1",
     "passport-local": "^1.0.0",
+    "puppeteer": "^21.5.1",
     "reflect-metadata": "^0.1.13",
     "rxjs": "^7.2.0"
   },

diff --git a/src/app.module.ts b/src/app.module.ts
@@ -5,9 +5,16 @@ import { AuthModule } from './auth/auth.module';
 import { UsersModule } from './users/users.module';
 import { ConfigModule } from '@nestjs/config';
 import { JobModule } from './job/job.module';
+import { ContractModule } from './contract/contract.module';
 
 @Module({
-  imports: [ConfigModule.forRoot(), AuthModule, UsersModule, JobModule],
+  imports: [
+    ConfigModule.forRoot(),
+    AuthModule,
+    UsersModule,
+    JobModule,
+    ContractModule,
+  ],
   controllers: [AppController],
   providers: [AppService],
 })

diff --git a/src/contract/assets/template.html b/src/contract/assets/template.html
@@ -0,0 +1,101 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <meta charset="UTF-8">
+    <title>{{title}}</title>
+  <style>
+    html {
+      background-color: rgb(156, 156, 156);
+    }
+    body {
+      size : A4;
+      padding: 2cm;
+      background-color: white;
+    }
+    h1 {
+      text-align: center;
+    }
+    h3 {
+      text-align: center;
+    }
+    table {
+      margin-top: 0.25cm;
+    }
+    table tr td {
+      padding: 5px;
+    }
+    .signature {
+      display: flex;
+      justify-content: space-between;
+      margin-top: 2.5cm;
+    }
+  </style>
+</head>
+<body>
+  <div>
+    <h1>Surat Perjanjian Kerja Lepas</h1>
+    <h3>Nomor: {{id}}</h3>
+    <p>Yang bertanda tangan di bawah ini:</p>
+    <table>
+      <tr>
+        <td>UserId</td>
+        <td>:</td>
+        <td>{{userId}}</td>
+      </tr>
+    </table>
+    <p>Selanjutnya disebut sebagai <b>PEKERJA</b></p>
+    <p>Dengan ini menyatakan bahwa PEKERJA telah sepakat untuk bekerja pada <b>PERUSAHAAN</b> dengan ketentuan sebagai berikut:</p>
+    <table>
+      <tr>
+        <td>Judul lowongan pekerjaan</td>
+        <td>:</td>
+        <td>{{title}}</td>
+      </tr>
+    </table>
+    <p>Selanjutnya disebut sebagai <b>PERUSAHAAN</b></p>
+    <br>
+    <p>PEKERJA akan melakukan pekerjaan <b>{{title}}</b> dengan ketentuan sebagai berikut:</p>
+    <table>
+      <tr>
+        <td>Waktu Kerja</td>
+        <td>:</td>
+        <td>{{contract.work_time}}</td>
+      </tr>
+      <tr>
+        <td>Upah</td>
+        <td>:</td>
+        <td>{{contract.salary}}</td>
+      </tr>
+      <tr>
+        <td>Periode Pembayaran</td>
+        <td>:</td>
+        <td>{{contract.payment_method}}</td>
+      </tr>
+      <tr>
+        <td>Periode Kontrak</td>
+        <td>:</td>
+        <td>{{contract.periode}}</td>
+      </tr>
+    </table>
+    <p>Demikian surat perjanjian ini dibuat dan ditandatangani oleh kedua belah pihak pada tanggal {{contract.createdAt}}.</p>
+    <div class="signature">
+      <p>{{contract.worker.name}}</p>
+      <p>{{contract.company.name}}</p>
+    </div>
+    <br>
+    <br>
+    <table>
+      <tr>
+        <td>Created date</td>
+        <td>:</td>
+        <td>{{createdAt}}</td>
+      </tr>
+      <tr>
+        <td>Description</td>
+        <td>:</td>
+        <td>{{description}}</td>
+      </tr>
+    </table>
+  </div>
+</body>
+</html>
diff --git a/src/contract/assets/template.ts b/src/contract/assets/template.ts
@@ -0,0 +1,95 @@
+export default {
+  name: 'template',
+  template: `
+    <!DOCTYPE html>
+<html>
+<head>
+  <meta charset="UTF-8">
+  <style>
+    html {
+      background-color: rgb(156, 156, 156);
+    }
+    body {
+      size : A4;
+      padding: 2cm;
+      background-color: white;
+    }
+    h1 {
+      text-align: center;
+    }
+    h3 {
+      text-align: center;
+    }
+    table {
+      margin-top: 0.25cm;
+    }
+    table tr td {
+      padding: 5px;
+    }
+    .signature {
+      display: flex;
+      justify-content: space-between;
+      margin-top: 2.5cm;
+    }
+  </style>
+</head>
+<body>
+  <div>
+    <h1>Surat Perjanjian Kerja Lepas</h1>
+    <p>Yang bertanda tangan di bawah ini:</p>
+    <table>
+      <tr>
+        <td>Nama</td>
+        <td>:</td>
+      </tr>
+      <tr>
+        <td>Alamat</td>
+        <td>:</td>
+      </tr>
+      <tr>
+        <td>No. Telepon</td>
+        <td>:</td>
+      </tr>
+    </table>
+    <p>Selanjutnya disebut sebagai <b>PEKERJA</b></p>
+    <p>Dengan ini menyatakan bahwa PEKERJA telah sepakat untuk bekerja pada <b>PERUSAHAAN</b> dengan ketentuan sebagai berikut:</p>
+    <table>
+      <tr>
+        <td>Nama</td>
+        <td>:</td>
+      </tr>
+      <tr>
+        <td>Alamat</td>
+        <td>:</td>
+      </tr>
+      <tr>
+        <td>No. Telepon</td>
+        <td>:</td>
+      </tr>
+    </table>
+    <p>Selanjutnya disebut sebagai <b>PERUSAHAAN</b></p>
+    <br>
+    <table>
+      <tr>
+        <td>Waktu Kerja</td>
+        <td>:</td>
+      </tr>
+      <tr>
+        <td>Upah</td>
+        <td>:</td>
+      </tr>
+      <tr>
+        <td>Periode Pembayaran</td>
+        <td>:</td>
+      </tr>
+      <tr>
+        <td>Periode Kontrak</td>
+        <td>:</td>
+      </tr>
+    </table>
+    <div class="signature">
+    </div>
+  </div>
+</body>
+</html>`,
+};
diff --git a/src/contract/contract.controller.ts b/src/contract/contract.controller.ts
@@ -3,8 +3,12 @@ import {
   Controller,
   HttpStatus,
   Post,
+  Get,
   Res,
   UseGuards,
+  StreamableFile,
+  Header,
+  Param,
 } from '@nestjs/common';
 import { ApiBearerAuth, ApiTags } from '@nestjs/swagger';
 import { Roles } from '../auth/roles/role.decorator';
@@ -13,6 +17,8 @@ import { RoleGuard } from '../auth/roles/role.guard';
 import { Role } from '../auth/roles/role.enum';
 import { ContractService } from './contract.service';
 import { ContractCreateDto } from './dto/contract-create.dto';
+import { createReadStream } from 'fs';
+import { join } from 'path';
 
 @ApiTags('Contract')
 @Controller('contract')
@@ -31,4 +37,31 @@ export class ContractController {
       return res.status(error.status).json({ error: error.message });
     }
   }
+
+  //9432dae7-ba04-410a-a4ff-27d6da87ae63
+  @Get('generate/:contractId')
+  @Roles(Role.USER)
+  @Header('Content-Type', 'application/pdf')
+  async generateContract(
+    @Res({ passthrough: true }) res,
+    @Param() params: any,
+  ) {
+    const contractId = params.contractId;
+    try {
+      await this.contractService.generate(contractId);
+      const file = createReadStream(
+        join(process.cwd(), '/src/contract/temp/', `${params.contractId}.pdf`),
+      );
+      return await new StreamableFile(file);
+    } catch (error) {
+      console.error('#generateContract error caused by: ', error);
+      return res.status(error.status).json({ error: error.message });
+    } finally {
+      this.contractService.removeFile(contractId);
+      console.log(
+        '#generateContract removed residual file for contractId: ',
+        contractId,
+      );
+    }
+  }
 }
diff --git a/src/contract/contract.helper.ts b/src/contract/contract.helper.ts
@@ -0,0 +1,47 @@
+import { Injectable } from '@nestjs/common';
+import { compile } from 'handlebars';
+import { launch } from 'puppeteer';
+import { rm } from 'fs';
+import { join } from 'path';
+import { IContract } from './interface/contract.interface';
+
+@Injectable()
+export class ContractHelper {
+  // eslint-disable-next-line @typescript-eslint/no-empty-function
+  constructor() {}
+
+  async createPdf(contractData: IContract) {
+    const { template, ...data } = contractData;
+
+    const templates = compile(template);
+    const html = templates(data);
+    const pdfPath = join(
+      process.cwd(),
+      '/src/contract/temp/',
+      `${data.id}.pdf`,
+    );
+
+    const browser = await launch({
+      args: ['--no-sandbox'],
+      headless: true,
+    });
+    const page = await browser.newPage();
+
+    await page.goto(`data:text/html;charset=UTF-8,${html}`, {
+      waitUntil: 'networkidle0',
+    });
+    // await page.pdf({ path: pdfPath, format: 'A4' });
+    await page.pdf({ path: pdfPath });
+    await browser.close();
+  }
+
+  removeFile(path) {
+    rm(path, (err) => {
+      if (err) {
+        console.log(err);
+      } else {
+        console.log('#removeFile success');
+      }
+    });
+  }
+}
diff --git a/src/contract/contract.module.ts b/src/contract/contract.module.ts
@@ -3,9 +3,15 @@ import { PrismaService } from '../prisma/prisma.service';
 import { ContractService } from './contract.service';
 import { ContractRepository } from './contract.repository';
 import { ContractController } from './contract.controller';
+import { ContractHelper } from './contract.helper';
 
 @Module({
-  providers: [ContractService, PrismaService, ContractRepository],
+  providers: [
+    ContractService,
+    ContractHelper,
+    PrismaService,
+    ContractRepository,
+  ],
   exports: [ContractService],
   controllers: [ContractController],
 })

diff --git a/src/contract/contract.repository.ts b/src/contract/contract.repository.ts
@@ -1,5 +1,6 @@
 import { Injectable } from '@nestjs/common';
 import { PrismaService } from '../prisma/prisma.service';
+import { IContract } from './interface/contract.interface';
 
 @Injectable()
 export class ContractRepository {
@@ -14,4 +15,11 @@ export class ContractRepository {
       data: contract,
     });
   }
+  async get(id: any): Promise<IContract> {
+    return this.prisma.contract.findUnique({
+      where: {
+        id,
+      },
+    });
+  }
 }