feat - setup ci/cd pipeline for backend deployment

.github/workflows/deploy.yml

@@ -0,0 +1,49 @@
+name: CI/CD Pipeline
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  build-and-deploy:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout Code
+        uses: actions/checkout@v3
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v3
+        with:
+          node-version: '18'
+
+      - name: Install Dependencies
+        run: npm ci
+
+      - name: Run Linter
+        run: npm run lint || true
+
+      - name: Run Tests
+        run: npm run test
+
+      - name: Build Project
+        run: npm run build
+
+      - name: Deploy to Server via SSH
+        if: github.ref == 'refs/heads/main'
+        uses: appleboy/ssh-action@v1.0.0
+        with:
+          host: ${{ secrets.SERVER_HOST }}
+          username: ${{ secrets.SERVER_USER }}
+          key: ${{ secrets.SERVER_SSH_KEY }}
+          port: ${{ secrets.SERVER_PORT }}
+          script: |
+            cd ${{ secrets.SERVER_APP_PATH }}
+            git pull origin main
+            npm ci
+            npm run build
+            pm2 restart all

jest.config.js

@@ -0,0 +1,12 @@
+module.exports = {
+  moduleFileExtensions: ['js', 'json', 'ts'],
+  rootDir: '.',
+  testEnvironment: 'node',
+  testRegex: '.*\\.spec\\.ts$',
+  transform: {
+    '^.+\\.(t|j)s$': 'ts-jest',
+  },
+  moduleNameMapper: {
+    '^src/(.*)$': '<rootDir>/src/$1',
+  },
+};

package.json

@@ -73,22 +73,5 @@
     "tsconfig-paths": "^4.2.0",
     "typescript": "^5.7.3",
     "typescript-eslint": "^8.20.0"
-  },
-  "jest": {
-    "moduleFileExtensions": [
-      "js",
-      "json",
-      "ts"
-    ],
-    "rootDir": "src",
-    "testRegex": ".*\\.spec\\.ts$",
-    "transform": {
-      "^.+\\.(t|j)s$": "ts-jest"
-    },
-    "collectCoverageFrom": [
-      "**/*.(t|j)s"
-    ],
-    "coverageDirectory": "../coverage",
-    "testEnvironment": "node"
   }
 }

src/PuzzleService Logic/puzzle.controller.ts

@@ -1,17 +1,27 @@
-// import { Controller, Post, Param, Body, UseGuards } from '@nestjs/common';
-// import { PuzzleService } from './puzzle.service';
+import { Controller, Post, Param, Body, UseGuards } from '@nestjs/common';
+import { PuzzleService } from './puzzle.service';
+import { AuthGuard } from '@nestjs/passport';
+import { createParamDecorator, ExecutionContext } from '@nestjs/common';
 
-// @Controller('puzzles')
-// // @UseGuards(AuthGuard)
-// export class PuzzleController {
-//   constructor(private readonly puzzleService: PuzzleService) {}
+@Controller('puzzles')
+@UseGuards(AuthGuard)
+export class PuzzleController {
+  constructor(private readonly puzzleService: PuzzleService) {}
 
-//   @Post(':id/submit')
-//   async submitPuzzle(
-//     @UserId() userId: string,
-//     @Param('id') puzzleId: string,
-//     @Body() attemptData: any,
-//   ) {
-//     return this.puzzleService.submitPuzzleSolution(userId, puzzleId, attemptData);
-//   }
-// }
+  @Post(':id/submit')
+  async submitPuzzle(
+    @UserId() userId: string,
+    @Param('id') puzzleId: string,
+    @Body() attemptData: any,
+  ) {
+    return this.puzzleService.submitPuzzleSolution(userId, puzzleId, attemptData);
+  }
+};
+
+export const UserId = createParamDecorator(
+  (data: unknown, ctx: ExecutionContext) => {
+    const request = ctx.switchToHttp().getRequest();
+    // Assumes user object is attached to request by AuthGuard
+    return request.user?.id;
+  },
+);

src/PuzzleService Logic/puzzle.service.spec.ts

@@ -2,18 +2,16 @@ import { Test, TestingModule } from '@nestjs/testing';
 import { getRepositoryToken } from '@nestjs/typeorm';
 import { Repository } from 'typeorm';
 import { PuzzleService } from './puzzle.service';
-import {
-  Puzzle,
-  PuzzleSubmission,
-  PuzzleProgress,
-  User,
-  PuzzleType,
-  PuzzleDifficulty,
-} from './entities';
 import {
   XP_BY_DIFFICULTY,
   TOKENS_BY_DIFFICULTY,
 } from './constants';
+import { PuzzleType } from 'src/puzzle/enums/puzzle-type.enum';
+import { Puzzle } from './puzzle.entity';
+import { PuzzleSubmission } from './puzzle-submission.entity';
+import { PuzzleProgress } from './puzzle-progress.entity';
+import { User } from './user.entity';
+import { PuzzleDifficulty } from 'src/puzzle/enums/puzzle-difficulty.enum';
 
 describe('PuzzleService', () => {
   let service: PuzzleService;
@@ -27,11 +25,15 @@ describe('PuzzleService', () => {
       providers: [
         PuzzleService,
         {
-          provide: getRepositoryToken(Puzzle),
-          useClass: Repository,
+          provide: getRepositoryToken(PuzzleSubmission),
+          useValue: {
+            create: jest.fn(),
+            save: jest.fn(),
+            findOne: jest.fn(),
+          },
         },
         {
-          provide: getRepositoryToken(PuzzleSubmission),
+          provide: getRepositoryToken(Puzzle),
           useClass: Repository,
         },
         {