feat: added EHR service

README.md

@@ -1,6 +1,9 @@
 # Healthcare Appointment Scheduling System
 
-## [Basic System Desin](https://ali-akkas.notion.site/Healthcare-Appointment-Scheduling-System-cf67ead3bb1947f58f505c18fb886280?pvs=4)
+## About
+Building Microservices Architecture using Docker, implementing CI/CD pipelines using GitHub Actions, incorporating asynchronous communication using RabbitMQ and caching with Redis. Additionally, implementing rate limiting, creating a custom API gateway or reverse proxy, and documenting system architecture.
+
+## [Basic System Architecture](https://ali-akkas.notion.site/Healthcare-Appointment-Scheduling-System-cf67ead3bb1947f58f505c18fb886280?pvs=4)
 
 ## Overview
 
@@ -119,3 +122,8 @@ yarn run test .\tests\**\**\*
 ```
 When push the code in the GitHub automatic run the actions
 ```
+
+### Postman `API Testing`
+```bash
+https://api.postman.com/collections/22653708-df253a8d-6b26-4e83-9673-793d1d6c04d5?access_key=PMAT-01HWT700T6H22BASWVF2E3HK9R
+```

api-gateway/src/app.ts

@@ -21,7 +21,7 @@ const limiter = rateLimit({
   },
 });
 
-app.use('/api', limiter);
+app.use('/api/v1', limiter);
 
 app.use([express.json(), cors(), morgan('dev')]);
 

docker-compose.yaml

@@ -41,6 +41,8 @@ services:
       - healthcare-appointment-system-network
     depends_on:
       - postgres
+      - user
+      - email
 
   # User Service --------------------------------
   user:
@@ -68,6 +70,8 @@ services:
     environment:
       - DATABASE_URL=postgresql://admin:password@postgres:5432/appointment_db?schema=public
       - RABBITMQ_URL=amqp://guest:guest@rabbitmq:5672
+      - REDIS_HOST=redis-stack
+      - REDIS_PORT=6379
     volumes:
       - ./services/appointment:/app
     networks:
@@ -76,6 +80,28 @@ services:
       - postgres
       - email
       - rabbitmq
+      - redis-stack
+
+  # EHR Service --------------------------------
+  ehr:
+    build:
+      context: ./services/EHR
+      dockerfile: Dockerfile
+    ports:
+      - '4002:8080'
+    environment:
+      - DATABASE_URL=postgresql://admin:password@postgres:5432/ehr_db?schema=public
+      - RABBITMQ_URL=amqp://guest:guest@rabbitmq:5672
+      - REDIS_HOST=redis-stack
+      - REDIS_PORT=6379
+    volumes:
+      - ./services/ehr:/app
+    networks:
+      - healthcare-appointment-system-network
+    depends_on:
+      - postgres
+      - rabbitmq
+      - redis-stack
 
   # Notification Service -------------------------------
   notification:

services/EHR/.dockerignore

@@ -0,0 +1 @@
+node_modules

services/EHR/.env.example

@@ -0,0 +1,4 @@
+DATABASE_URL='postgresql://admin:password@postgres:5432/ehr_db?schema=public'
+RABBITMQ_URL='amqp://guest:guest@rabbitmq:5672'
+REDIS_HOST='redis-stack'
+REDIS_PORT='6379'

services/EHR/.gitignore

@@ -0,0 +1,130 @@
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+lerna-debug.log*
+.pnpm-debug.log*
+
+# Diagnostic reports (https://nodejs.org/api/report.html)
+report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+*.lcov
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (https://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+jspm_packages/
+
+# Snowpack dependency directory (https://snowpack.dev/)
+web_modules/
+
+# TypeScript cache
+*.tsbuildinfo
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional stylelint cache
+.stylelintcache
+
+# Microbundle cache
+.rpt2_cache/
+.rts2_cache_cjs/
+.rts2_cache_es/
+.rts2_cache_umd/
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variable files
+.env
+.env.development.local
+.env.test.local
+.env.production.local
+.env.local
+
+# parcel-bundler cache (https://parceljs.org/)
+.cache
+.parcel-cache
+
+# Next.js build output
+.next
+out
+
+# Nuxt.js build / generate output
+.nuxt
+dist
+
+# Gatsby files
+.cache/
+# Comment in the public line in if your project uses Gatsby and not Next.js
+# https://nextjs.org/blog/next-9-1#public-directory-support
+# public
+
+# vuepress build output
+.vuepress/dist
+
+# vuepress v2.x temp and cache directory
+.temp
+.cache
+
+# Docusaurus cache and generated files
+.docusaurus
+
+# Serverless directories
+.serverless/
+
+# FuseBox cache
+.fusebox/
+
+# DynamoDB Local files
+.dynamodb/
+
+# TernJS port file
+.tern-port
+
+# Stores VSCode versions used for testing VSCode extensions
+.vscode-test
+
+# yarn v2
+.yarn/cache
+.yarn/unplugged
+.yarn/build-state.yml
+.yarn/install-state.gz
+.pnp.*

services/EHR/Dockerfile

@@ -0,0 +1,20 @@
+FROM node:18-alpine
+
+WORKDIR /app
+
+COPY package.json  yarn.lock ./
+
+RUN yarn install --frozen-lockfile
+
+COPY . .
+
+RUN npx prisma generate
+
+ENV PORT 8080
+
+EXPOSE 8080
+
+CMD ["yarn", "dev"]
+
+
+

services/EHR/package.json

@@ -0,0 +1,40 @@
+{
+  "name": "user",
+  "version": "1.0.0",
+  "main": "index.js",
+  "license": "MIT",
+  "scripts": {
+    "dev": "ts-node-dev -r tsconfig-paths/register ./src/index.ts",
+    "test": "npx jest",
+    "build": "tsc && tsc-alias",
+    "migrate:dev": "prisma migrate dev",
+    "migrate:prod": "prisma migrate deploy"
+  },
+  "dependencies": {
+    "@prisma/client": "^5.12.1",
+    "amqplib": "^0.10.4",
+    "cors": "^2.8.5",
+    "dotenv": "^16.4.5",
+    "express": "^4.19.2",
+    "ioredis": "^5.4.1",
+    "morgan": "^1.10.0",
+    "zod": "^3.22.4"
+  },
+  "devDependencies": {
+    "@types/amqplib": "^0.10.5",
+    "@types/cors": "^2.8.17",
+    "@types/express": "^4.17.21",
+    "@types/ioredis": "^5.0.0",
+    "@types/jest": "^29.5.12",
+    "@types/morgan": "^1.9.9",
+    "@types/node": "^20.12.6",
+    "jest": "^29.7.0",
+    "prisma": "^5.12.1",
+    "ts-jest": "^29.1.2",
+    "ts-node-dev": "^2.0.0",
+    "tsc": "^2.0.4",
+    "tsc-alias": "^1.8.8",
+    "tsconfig-paths": "^4.2.0",
+    "typescript": "^5.4.4"
+  }
+}

services/EHR/prisma/migrations/20240501120311_init/migration.sql

@@ -0,0 +1,90 @@
+-- CreateEnum
+CREATE TYPE "Gender" AS ENUM ('MALE', 'FEMALE', 'OTHER');
+
+-- CreateTable
+CREATE TABLE "EHR" (
+    "id" TEXT NOT NULL,
+    "patientId" TEXT NOT NULL,
+    "medicalHistories" TEXT[],
+    "allergies" TEXT[],
+
+    CONSTRAINT "EHR_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "Patient" (
+    "id" TEXT NOT NULL,
+    "userId" TEXT NOT NULL,
+    "patientName" TEXT NOT NULL,
+    "dateOfBirth" TIMESTAMP(3) NOT NULL,
+    "gender" "Gender" NOT NULL DEFAULT 'MALE',
+    "medicalHistory" TEXT NOT NULL,
+    "insuranceInformation" TEXT NOT NULL,
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updatedAt" TIMESTAMP(3) NOT NULL,
+
+    CONSTRAINT "Patient_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "Medication" (
+    "id" TEXT NOT NULL,
+    "name" TEXT NOT NULL,
+    "dosage" TEXT NOT NULL,
+    "start_date" TIMESTAMP(3) NOT NULL,
+    "end_date" TIMESTAMP(3) NOT NULL,
+
+    CONSTRAINT "Medication_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "DiagnosticReport" (
+    "id" TEXT NOT NULL,
+    "title" TEXT NOT NULL,
+    "date" TIMESTAMP(3) NOT NULL,
+    "findings" TEXT NOT NULL,
+
+    CONSTRAINT "DiagnosticReport_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "_EHRToMedication" (
+    "A" TEXT NOT NULL,
+    "B" TEXT NOT NULL
+);
+
+-- CreateTable
+CREATE TABLE "_DiagnosticReportToEHR" (
+    "A" TEXT NOT NULL,
+    "B" TEXT NOT NULL
+);
+
+-- CreateIndex
+CREATE UNIQUE INDEX "Patient_userId_key" ON "Patient"("userId");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "_EHRToMedication_AB_unique" ON "_EHRToMedication"("A", "B");
+
+-- CreateIndex
+CREATE INDEX "_EHRToMedication_B_index" ON "_EHRToMedication"("B");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "_DiagnosticReportToEHR_AB_unique" ON "_DiagnosticReportToEHR"("A", "B");
+
+-- CreateIndex
+CREATE INDEX "_DiagnosticReportToEHR_B_index" ON "_DiagnosticReportToEHR"("B");
+
+-- AddForeignKey
+ALTER TABLE "EHR" ADD CONSTRAINT "EHR_patientId_fkey" FOREIGN KEY ("patientId") REFERENCES "Patient"("id") ON DELETE RESTRICT ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "_EHRToMedication" ADD CONSTRAINT "_EHRToMedication_A_fkey" FOREIGN KEY ("A") REFERENCES "EHR"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "_EHRToMedication" ADD CONSTRAINT "_EHRToMedication_B_fkey" FOREIGN KEY ("B") REFERENCES "Medication"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "_DiagnosticReportToEHR" ADD CONSTRAINT "_DiagnosticReportToEHR_A_fkey" FOREIGN KEY ("A") REFERENCES "DiagnosticReport"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "_DiagnosticReportToEHR" ADD CONSTRAINT "_DiagnosticReportToEHR_B_fkey" FOREIGN KEY ("B") REFERENCES "EHR"("id") ON DELETE CASCADE ON UPDATE CASCADE;

services/EHR/prisma/migrations/20240501164038_added_patient_email/migration.sql

@@ -0,0 +1,8 @@
+/*
+  Warnings:
+
+  - Added the required column `patientEmail` to the `EHR` table without a default value. This is not possible if the table is not empty.
+
+*/
+-- AlterTable
+ALTER TABLE "EHR" ADD COLUMN     "patientEmail" TEXT NOT NULL;

services/EHR/prisma/migrations/migration_lock.toml

@@ -0,0 +1,3 @@
+# Please do not edit this file manually
+# It should be added in your version-control system (i.e. Git)
+provider = "postgresql"