add server

.gitignore

@@ -7,4 +7,9 @@ package-lock.json
 local.js
 assets/pages.js
 assets/partials.js
-.wrangler
+.wrangler
+
+dist/
+.idea/
+cdk.out/
+.aws-sam/

server/.eslintrc.js

@@ -0,0 +1,47 @@
+module.exports = {
+  parser: '@typescript-eslint/parser',
+  extends: [
+    'eslint:recommended',
+    'plugin:@typescript-eslint/recommended'
+  ],
+  parserOptions: {
+    ecmaVersion: 2020,
+    sourceType: 'module'
+  },
+  env: {
+    es6: true,
+    node: true,
+    browser: true
+  },
+  // Ignore files within the node_modules directory
+  ignorePatterns: ['node_modules/**', 'cdk.out/**'],
+  rules: {
+    'no-duplicate-case': 'error',
+    'no-empty': 'error',
+    'no-extra-semi': 'error',
+    'no-func-assign': 'error',
+    'no-irregular-whitespace': 'error',
+    'no-unreachable': 'error',
+    curly: 'error',
+    'dot-notation': 'error',
+    eqeqeq: 'error',
+    'no-empty-function': 'error',
+    'no-multi-spaces': 'error',
+    'no-mixed-spaces-and-tabs': 'error',
+    'no-trailing-spaces': 'error',
+    'default-case': 'error',
+    'no-fallthrough': 'error',
+    'no-unused-vars': 'error',
+    'no-use-before-define': 'error',
+    'no-redeclare': 'error',
+    'brace-style': 'error',
+    indent: ['error', 2],
+    quotes: ['error', 'single'],
+    semi: ['error', 'always'],
+    radix: 'off',
+    // TypeScript specific rules
+    '@typescript-eslint/no-unused-vars': 'error',
+    '@typescript-eslint/no-use-before-define': 'error',
+    '@typescript-eslint/no-redeclare': 'error'
+  }
+};

server/.github/workflows/bootstrap.yml

@@ -0,0 +1,40 @@
+name: Manual Bootstrap CDK
+
+on:
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v2
+        with:
+          node-version: '20'
+
+      - name: Install AWS CLI
+        run: |
+          curl "https://awscli.amazonaws.com/awscli-exe-linux-x86_64.zip" -o "awscliv2.zip"
+          unzip awscliv2.zip
+          sudo ./aws/install
+
+      - name: Configure AWS CLI
+        env:
+          AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
+          AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
+          AWS_DEFAULT_REGION: 'us-east-1'  # Replace with your preferred AWS region
+        run: |
+          aws configure set aws_access_key_id $AWS_ACCESS_KEY_ID
+          aws configure set aws_secret_access_key $AWS_SECRET_ACCESS_KEY
+          aws configure set region $AWS_DEFAULT_REGION
+          echo "access_key: $AWS_ACCESS_KEY_ID"
+          echo "secret_key: AWS_SECRET_ACCESS_KEY"
+
+      - name: Install dependencies
+        run: npm install
+
+      - name: Run tests
+        run: npm run bootstrap

server/.github/workflows/deploy.yml

@@ -0,0 +1,38 @@
+name: Manual Deploy CDK
+
+on:
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v2
+        with:
+          node-version: '20'
+
+      - name: Install AWS CLI
+        run: |
+          curl "https://awscli.amazonaws.com/awscli-exe-linux-x86_64.zip" -o "awscliv2.zip"
+          unzip awscliv2.zip
+          sudo ./aws/install
+
+      - name: Configure AWS CLI
+        env:
+          AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
+          AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
+          AWS_DEFAULT_REGION: 'us-east-1'  # Replace with your preferred AWS region
+        run: |
+          aws configure set aws_access_key_id $AWS_ACCESS_KEY_ID
+          aws configure set aws_secret_access_key $AWS_SECRET_ACCESS_KEY
+          aws configure set region $AWS_DEFAULT_REGION
+
+      - name: Install dependencies
+        run: npm install
+
+      - name: Run tests
+        run: npm run deploy

server/.github/workflows/test.yml

@@ -0,0 +1,24 @@
+name: Test CDK Stack
+
+on:
+  push:
+    branches:
+      - '*'
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v2
+        with:
+          node-version: '20'
+
+      - name: Install dependencies
+        run: npm install
+
+      - name: Run tests
+        run: npm test

server/.gitignore

@@ -0,0 +1,8 @@
+.env*
+node_modules/
+dist/
+local.js
+.idea/
+package-lock.json
+cdk.out/
+.aws-sam/

server/README.md

@@ -0,0 +1 @@
+# Serverless Backend

server/cdk.json

@@ -0,0 +1,41 @@
+{
+  "app": "npx ts-node --prefer-ts-exts src/index.ts",
+  "watch": {
+    "include": [
+      "**"
+    ],
+    "exclude": [
+      "README.md",
+      "cdk*.json",
+      "**/*.d.ts",
+      "**/*.js",
+      "tsconfig.json",
+      "package*.json",
+      "yarn.lock",
+      "node_modules",
+      "test"
+    ]
+  },
+  "context": {
+    "appName": "MyAwesomeApp",
+    "@aws-cdk/aws-apigateway:usagePlanKeyOrderInsensitiveId": true,
+    "@aws-cdk/core:stackRelativeExports": true,
+    "@aws-cdk/aws-rds:lowercaseDbIdentifier": true,
+    "@aws-cdk/aws-lambda:recognizeVersionProps": true,
+    "@aws-cdk/aws-lambda:recognizeLayerVersion": true,
+    "@aws-cdk/aws-cloudfront:defaultSecurityPolicyTLSv1.2_2021": true,
+    "@aws-cdk-containers/ecs-service-extensions:enableDefaultLogDriver": true,
+    "@aws-cdk/aws-ec2:uniqueImdsv2TemplateName": true,
+    "@aws-cdk/core:checkSecretUsage": true,
+    "@aws-cdk/aws-iam:minimizePolicies": true,
+    "@aws-cdk/aws-ecs:arnFormatIncludesClusterName": true,
+    "@aws-cdk/core:validateSnapshotRemovalPolicy": true,
+    "@aws-cdk/aws-codepipeline:crossAccountKeyAliasStackSafeResourceName": true,
+    "@aws-cdk/aws-s3:createDefaultLoggingPolicy": true,
+    "@aws-cdk/aws-sns-subscriptions:restrictSqsDescryption": true,
+    "@aws-cdk/core:target-partitions": [
+      "aws",
+      "aws-cn"
+    ]
+  }
+}

server/jest.config.js

@@ -0,0 +1,8 @@
+module.exports = {
+  testEnvironment: 'node',
+  roots: ['<rootDir>/src'],
+  testMatch: ['**/*.test.ts'],
+  transform: {
+    '^.+\\.tsx?$': 'ts-jest'
+  }
+};

server/local/api/run.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+
+npm run synth
+
+## sam.cmd for windows regular sam for linux/mac
+sam.cmd build \
+  -t ../../cdk.out/SagaStack-Demo.template.json
+
+sam.cmd local start-api

server/local/lambdas/reserveFLights/env.json

@@ -0,0 +1,4 @@
+{
+  "Parameters": {
+  }
+}

server/local/lambdas/reserveFLights/event.json

@@ -0,0 +1,7 @@
+{
+  "departCity": "Milwaukee",
+  "departTime": "2024-01-01T00:00:00.000Z",
+  "arriveCity": "Abuja",
+  "arriveTime": "2024-01-03T00:00:00.000Z",
+  "requestId": "tripRequest123"
+}

server/local/lambdas/reserveFLights/reserveFlights.md

@@ -0,0 +1,16 @@
+## Local Testing of Lambda Functions
+```
+sam local invoke StateMachinereserveFlightLambdaHandler77D8E840 -t ./cdk.out/CdkServerlessSagaStack.template.json
+``` 
+
+## Local Testing of API
+```
+sam local start-api
+```
+
+[Local Step Functions Testing](https://docs.aws.amazon.com/step-functions/latest/dg/sfn-local-lambda.html)
+
+[Local SAM Testing](https://docs.aws.amazon.com/serverless-application-model/latest/developerguide/serverless-cdk-getting-started.html)
+
+Examples
+-`cdk synth && sam local invoke StateMachinereserveFlightLambdaHandler77D8E840 -t ./cdk.out/CdkServerlessSagaStack.template.json --env-vars ./env.json --event ./event.json`

server/local/lambdas/reserveFLights/run.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+
+npm run synth
+
+# sam.cmd for windows regular sam for linux/mac
+sam.cmd local invoke StateMachinereserveFlightLambdaHandler77D8E840 \
+  -t ../../../cdk.out/SagaStack-Demo.template.json \
+  --env-vars ./env.json \
+  --event ./event.json

server/package.json

@@ -1,12 +1,43 @@
 {
-  "name": "server",
+  "name": "serverless-data-machine",
   "version": "1.0.0",
+  "bin": {
+    "index": "src/index.js"
+  },
   "description": "",
   "main": "index.js",
   "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1"
+    "build": "tsc",
+    "bootstrap": "cdk bootstrap",
+    "deploy": "cdk deploy --all",
+    "dev": "sh -c './develop.sh'",
+    "destroy": "cdk destroy --all",
+    "lint": "eslint **/*.ts",
+    "lint-fix": "eslint **/*.ts --fix",
+    "synth": "cdk synth",
+    "test": "jest",
+    "watch": "tsc -w"
   },
   "keywords": [],
   "author": "",
-  "license": "ISC"
+  "license": "ISC",
+  "dependencies": {
+    "aws-cdk-lib": "^2.147.2",
+    "aws-sdk": "^2.1651.0",
+    "constructs": "^10.3.0",
+    "source-map-support": "^0.5.21",
+    "uuid": "^10.0.0"
+  },
+  "devDependencies": {
+    "@types/jest": "^29.5.12",
+    "@types/uuid": "^10.0.0",
+    "@typescript-eslint/eslint-plugin": "^7.15.0",
+    "@typescript-eslint/parser": "^7.15.0",
+    "aws-cdk": "^2.147.2",
+    "eslint": "^8.57.0",
+    "jest": "^29.7.0",
+    "ts-jest": "^29.1.5",
+    "ts-node": "^10.9.2",
+    "typescript": "^5.5.2"
+  }
 }

server/src/api.ts

@@ -0,0 +1,50 @@
+import { Construct } from "constructs";
+import * as Apigw from 'aws-cdk-lib/aws-apigateway';
+import { IRestApi } from "aws-cdk-lib/aws-apigateway";
+import { IFunction } from 'aws-cdk-lib/aws-lambda';
+
+export const createApiModels = (scope: Construct, api: IRestApi) => {
+  // For POST, PUT, DELETE Requests
+  const requestModel = new Apigw.Model(scope, 'RequestModel', {
+    restApi: api,
+    schema: {
+      type: Apigw.JsonSchemaType.OBJECT,
+      properties: {
+        name: { type: Apigw.JsonSchemaType.STRING },
+        age: { type: Apigw.JsonSchemaType.NUMBER }
+      },
+      required: ['name']
+    }
+  });
+
+  const responseModel = new Apigw.Model(scope, 'ResponseModel', {
+    restApi: api,
+    schema: {
+      type: Apigw.JsonSchemaType.OBJECT,
+      properties: {
+        message: { type: Apigw.JsonSchemaType.STRING },
+        status: { type: Apigw.JsonSchemaType.STRING }
+      }
+    }
+  });
+
+  return {
+    requestModel,
+    responseModel
+  };
+};
+
+export const linkBackendApi = (scope: Construct, api: IRestApi, handler: IFunction, responseModel: any) => {
+  // Create a new resource (API path)
+  const resource = api.root.addResource('start');
+
+  // Add a GET method to the resource with lambda integration to the handler function
+  resource.addMethod('GET', new Apigw.LambdaIntegration(handler), {
+    methodResponses: [{
+      statusCode: '200',
+      responseModels: {
+        'application/json': responseModel
+      }
+    }]
+  });
+};