feat(ReadUser): implementada funcionalidad de leer usuarios

src/main/java/com/example/apprecetas/user/application/ReadUserUseCase.java

+package com.example.apprecetas.user.application;
+
+import com.example.apprecetas.user.infrastructure.controller.dto.UserOutputDto;
+
+import java.util.List;
+
+public interface ReadUserUseCase {
+
+    UserOutputDto readById(Long id);
+    List<UserOutputDto> readAll();
+
+}

src/main/java/com/example/apprecetas/user/application/impl/ReadUserUseCaseImpl.java

+package com.example.apprecetas.user.application.impl;
+
+import com.example.apprecetas.exceptions.EntityNotFoundException;
+import com.example.apprecetas.user.application.ReadUserUseCase;
+import com.example.apprecetas.user.domain.repository.ReadUserRepository;
+import com.example.apprecetas.user.infrastructure.controller.dto.UserOutputDto;
+import com.example.apprecetas.user.infrastructure.mapper.UserMapper;
+import com.example.apprecetas.user.infrastructure.repository.jpa.UserJpa;
+import lombok.RequiredArgsConstructor;
+import org.mapstruct.factory.Mappers;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+
+@Service
+@RequiredArgsConstructor
+public class ReadUserUseCaseImpl implements ReadUserUseCase {
+
+    private final ReadUserRepository repository;
+    private final UserMapper mapper = Mappers.getMapper(UserMapper.class);
+
+
+    @Override
+    public UserOutputDto readById(Long id) {
+        UserJpa userJpa = repository.readById(id)
+                .orElseThrow(() -> new EntityNotFoundException("Usuario con id " + id + " no encontrado"));
+        return mapper.map(mapper.mapJpa(userJpa));
+    }
+
+    @Override
+    public List<UserOutputDto> readAll() {
+        return repository.readAll().stream()
+                .map(mapper::mapJpa)
+                .map(mapper::map)
+                .toList();
+    }
+}

src/main/java/com/example/apprecetas/user/domain/repository/ReadUserRepository.java

+package com.example.apprecetas.user.domain.repository;
+
+import com.example.apprecetas.user.infrastructure.repository.jpa.UserJpa;
+
+import java.util.List;
+import java.util.Optional;
+
+public interface ReadUserRepository {
+
+    Optional<UserJpa> readById(Long id);
+    List<UserJpa> readAll();
+
+}

src/main/java/com/example/apprecetas/user/infrastructure/controller/ReadUserController.java

+package com.example.apprecetas.user.infrastructure.controller;
+
+import com.example.apprecetas.user.application.ReadUserUseCase;
+import com.example.apprecetas.user.infrastructure.controller.dto.UserOutputDto;
+import lombok.RequiredArgsConstructor;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.List;
+
+@RestController
+@RequestMapping("/user")
+@RequiredArgsConstructor
+public class ReadUserController {
+
+    private final ReadUserUseCase service;
+
+    @GetMapping("/{id}")
+    public ResponseEntity<UserOutputDto> readById(@PathVariable Long id) {
+        return ResponseEntity.ok().body(service.readById(id));
+    }
+
+    @GetMapping
+    public ResponseEntity<List<UserOutputDto>> readAll() {
+        if(service.readAll().isEmpty())
+            return ResponseEntity.noContent().build();
+        return ResponseEntity.ok().body(service.readAll());
+    }
+
+}

src/main/java/com/example/apprecetas/user/infrastructure/repository/impl/ReadUserRepositoryImpl.java

+package com.example.apprecetas.user.infrastructure.repository.impl;
+
+import com.example.apprecetas.user.domain.repository.ReadUserRepository;
+import com.example.apprecetas.user.infrastructure.repository.jpa.UserJpa;
+import com.example.apprecetas.user.infrastructure.repository.jpa.UserRepositoryJpa;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Repository;
+
+import java.util.List;
+import java.util.Optional;
+
+@Repository
+@RequiredArgsConstructor
+public class ReadUserRepositoryImpl implements ReadUserRepository {
+
+    private final UserRepositoryJpa repositoryJpa;
+
+    @Override
+    public Optional<UserJpa> readById(Long id) {
+        return repositoryJpa.findById(id);
+    }
+
+    @Override
+    public List<UserJpa> readAll() {
+        return repositoryJpa.findAll();
+    }
+}