feat : #18 Model 레포지토리, dto, 서비스 생성

src/main/java/com/backend/soullive_a/dto/request/ModelRequest.java

@@ -0,0 +1,4 @@
+package com.backend.soullive_a.dto.request;
+
+public record ModelRequest(Long modelId) {
+}

src/main/java/com/backend/soullive_a/dto/response/ModelResponse.java

@@ -0,0 +1,18 @@
+package com.backend.soullive_a.dto.response;
+
+import com.backend.soullive_a.entity.ModelIntroduction;
+import lombok.Builder;
+
+import java.time.LocalDateTime;
+
+@Builder
+public record ModelResponse(
+        Long modelId,
+        String modelName,
+        LocalDateTime birth,
+        String job,
+        String info,
+        String agency,
+        Float aiRate
+
+) {}

src/main/java/com/backend/soullive_a/service/ModelService.java

@@ -0,0 +1,8 @@
+package com.backend.soullive_a.service;
+
+import com.backend.soullive_a.dto.request.ModelRequest;
+import com.backend.soullive_a.dto.response.ModelResponse;
+
+public interface ModelService {
+    public ModelResponse getModel(ModelRequest request);
+}

src/main/java/com/backend/soullive_a/service/impl/ModelServiceImpl.java

@@ -0,0 +1,33 @@
+package com.backend.soullive_a.service.impl;
+
+import com.backend.soullive_a.dto.request.ModelRequest;
+import com.backend.soullive_a.dto.response.ModelResponse;
+import com.backend.soullive_a.entity.Model;
+import com.backend.soullive_a.repository.ModelRepository;
+import com.backend.soullive_a.service.ModelService;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+@Service
+@RequiredArgsConstructor
+public class ModelServiceImpl implements ModelService {
+
+    private final ModelRepository modelRepository;
+
+    @Override
+    public ModelResponse getModel(ModelRequest request) {
+         Model model = modelRepository.findById(request.modelId())
+                .orElseThrow(() -> new RuntimeException("존재하지 않는 아이디"));
+
+        return ModelResponse.builder()
+                .modelId(model.getId())
+                .modelName(model.getModelName())
+                .birth(model.getBirth())
+                .job(model.getJob())
+                .info(model.getInfo())
+                .agency(model.getAgency())
+                .aiRate(model.getAiRate())
+                .build();
+    }
+
+}