Spring Boot gRPC Project - Health Care Application

Link youtube:

1. How to run Postgre Admin with Docker: https://www.youtube.com/watch?v=qECVC6t_2mU
2. How to run grpc with Java: https://youtu.be/cMzernb2Q3k?si=e1OorvQBZKmeiK_Y&t=953

Setup

mvn clean compile

Go to common-proto/target/generated-sources/protobuf/grpc-java and common-proto/target/generated-sources/protobuf/java => Mark directory as Generated Sources Root.

Run docker-compose file, or use Postgre Admin in your local machine.

Run Docker

docker compose up

Install grpcurl and grpcui

brew install grpcurl

brew install grpcui

Patient Service GRPC Calls

List Services

grpcurl -plaintext localhost:9090 list

gRPC UI

grpcui -plaintext localhost:9090

Register Patient

grpcurl -plaintext -d '{
  "first_name": "John",
  "last_name": "Thomas",
  "email": "john.thomas@example.com",
  "phone": "123-456-7890",
  "address": "123 Main St"
}' localhost:9090 com.codewiz.patient.PatientService/RegisterPatient

Get Patient

grpcurl -plaintext -d '{
  "patient_id": 1
}' localhost:9090 com.codewiz.patient.PatientService/GetPatientDetails

Doctor Service

List Services

grpcurl -plaintext localhost:9091 list

Register Doctor

grpcurl -d '{
  "first_name": "Tim",
  "last_name": "Jacob",
  "email": "tim.jacob@example.com",
  "phone": "123-456-7890",
  "specialty": "Cardiology",
  "centre_name": "Health Centre",
  "location": "New York"
}' -plaintext localhost:9091 com.codewiz.doctor.DoctorService/RegisterDoctor

Get Doctor

grpcurl -plaintext -d '{
  "doctor_id": 1
}' localhost:9091 com.codewiz.doctor.DoctorService/GetDoctorDetails

List Services

grpcurl -plaintext localhost:9092 list

Get Appointment Availability - Server Streaming

grpcurl -plaintext -d '{
  "doctor_id": 1
}' localhost:9092 com.codewiz.appointment.AppointmentService/GetAppointmentAvailability

Book Appointment

grpcurl -plaintext -d '{
  "doctor_id": 1,
  "patient_id": 1,
  "appointment_date": "2025-02-15",
  "appointment_time": "10:00",
  "reason": "Routine check-up"
}' localhost:9092 com.codewiz.appointment.AppointmentService/BookAppointment

Stream Patients - Client Streaming

grpcurl -d @ -plaintext localhost:9090 com.codewiz.patient.PatientService/StreamPatients <<EOM
{
  "first_name": "John",
  "last_name": "Smith",
  "email": "john.smith@example.com",
  "phone": "1234567890",
  "address": "123 Main St"
}
{
  "first_name": "Jane",
  "last_name": "Smith",
  "email": "jane.smith@example.com",
  "phone": "0987654321",
  "address": "456 Elm St"
}
EOM

Chat with Doctor - Bidirectional Streaming

grpcurl -d @ -plaintext localhost:9091 com.codewiz.doctor.DoctorService/Chat <<EOM
{
  "message": "Hello, Doctor!",
  "from": "Patient",
  "to": "Doctor",
  "timestamp": "2023-10-01T12:00:00Z"
}
{
  "message": "How are you?",
  "from": "Patient",
  "to": "Doctor",
  "timestamp": "2023-10-01T12:01:00Z"
}
EOM