( claim it _ Micro service )
### 1. Define the Microservices
- **Question Service**: Handles the posting of questions.
- **Claim Service**: Handles the claiming of questions by users.
- **Answer Service**: Handles the submission of answers.
- **User Service**: Manages user information and authentication.
### 2. Technology Stack
- **Spring Boot**: For building the microservices.
- **Spring Cloud**: For managing microservice communication.
- **Eureka**: For service discovery.
- **Zuul**: For API Gateway.
- **RabbitMQ**: For messaging between services.
- **MySQL**: For database.
### 3. Example Code Snippets
#### Question Service
```java
@RestController
@RequestMapping("/questions")
public class QuestionController {
@Autowired
private QuestionService questionService;
@PostMapping
public ResponseEntity<Question> postQuestion(@RequestBody Question question) {
Question savedQuestion = questionService.saveQuestion(question);
return ResponseEntity.status(HttpStatus.CREATED).body(savedQuestion);
}
@GetMapping("/{id}")
public ResponseEntity<Question> getQuestion(@PathVariable Long id) {
Question question = questionService.getQuestionById(id);
return ResponseEntity.ok(question);
}
}
```
#### Claim Service
```java
@RestController
@RequestMapping("/claims")
public class ClaimController {
@Autowired
private ClaimService claimService;
@PostMapping
public ResponseEntity<Claim> claimQuestion(@RequestBody Claim claim) {
Claim savedClaim = claimService.saveClaim(claim);
return ResponseEntity.status(HttpStatus.CREATED).body(savedClaim);
}
@GetMapping("/{questionId}")
public ResponseEntity<List<Claim>> getClaimsByQuestionId(@PathVariable Long questionId) {
List<Claim> claims = claimService.getClaimsByQuestionId(questionId);
return ResponseEntity.ok(claims);
}
}
```
#### Answer Service
```java
@RestController
@RequestMapping("/answers")
public class AnswerController {
@Autowired
private AnswerService answerService;
@PostMapping
public ResponseEntity<Answer> submitAnswer(@RequestBody Answer answer) {
Answer savedAnswer = answerService.saveAnswer(answer);
return ResponseEntity.status(HttpStatus.CREATED).body(savedAnswer);
}
@GetMapping("/{questionId}")
public ResponseEntity<List<Answer>> getAnswersByQuestionId(@PathVariable Long questionId) {
List<Answer> answers = answerService.getAnswersByQuestionId(questionId);
return ResponseEntity.ok(answers);
}
}
```
### 4. Communication Between Services
Use RabbitMQ for messaging between services. For example, when a question is posted, the Question Service can send a message to the Claim Service to notify users about the new question.
### 5. Security
Use Spring Security for authentication and authorization. Ensure that users can only claim and answer questions anonymously.
### 6. Database Schema
- **Question Table**: Stores questions.
- **Claim Table**: Stores claims.
- **Answer Table**: Stores answers.
- **User Table**: Stores user information.
This should give you a good starting point for your "Claim_IT" application. If you need more detailed code or have specific questions, feel free to ask!
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