feat: dalle-3를 이용한 이미지 생성 추가

src/main/java/com/easylead/easylead/domain/gpt/business/GptBusiness.java

@@ -30,4 +30,9 @@ public ResponseDTO getEasyToReadCustom(String text) throws JsonProcessingExcepti
         HttpRequest request = gptService.requestGPTCustom(text);
         return gptConverter.toResponseDTO(gptService.responseGPT(request));
     }
+
+    public ResponseDTO getImage(String keyword) throws JsonProcessingException {
+        HttpRequest request = gptService.requestGPTImage(keyword);
+        return gptConverter.toResponseDTO(gptService.responseDalle(request));
+    }
 }

src/main/java/com/easylead/easylead/domain/gpt/controller/GptController.java

@@ -47,5 +47,11 @@ public ResponseEntity<ResponseDTO> easyLeadCustom(@RequestParam String text)
 
     }
 
+    @GetMapping("/image")
+    public ResponseEntity<ResponseDTO> ImageGenerate(@RequestParam String keyword)
+        throws JsonProcessingException {
+        return ResponseEntity.ok(gptBusiness.getImage(keyword));
+    }
+
 
 }

src/main/java/com/easylead/easylead/domain/gpt/dto/DalleRequestDTO.java

@@ -0,0 +1,22 @@
+package com.easylead.easylead.domain.gpt.dto;
+
+import com.fasterxml.jackson.annotation.JsonPropertyOrder;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+
+@NoArgsConstructor
+@AllArgsConstructor
+@Getter
+@Setter
+@Builder
+@JsonPropertyOrder({"model", "prompt", "n","size"})
+public class DalleRequestDTO {
+  String model;
+  String prompt;
+  int n;
+  String size;
+
+}

src/main/java/com/easylead/easylead/domain/gpt/dto/DalleResData.java

@@ -0,0 +1,18 @@
+package com.easylead.easylead.domain.gpt.dto;
+
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+
+@NoArgsConstructor
+@AllArgsConstructor
+@Getter
+@Setter
+@Builder
+@JsonIgnoreProperties(ignoreUnknown = true)
+public class DalleResData {
+  String url;
+}

src/main/java/com/easylead/easylead/domain/gpt/dto/DalleResponseDTO.java

@@ -0,0 +1,23 @@
+package com.easylead.easylead.domain.gpt.dto;
+
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+import java.util.List;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+
+@NoArgsConstructor
+@AllArgsConstructor
+@Getter
+@Setter
+@Builder
+@JsonIgnoreProperties(ignoreUnknown = true)
+public class DalleResponseDTO {
+  int created;
+
+
+  List<DalleResData> data;
+
+}

src/main/java/com/easylead/easylead/domain/gpt/service/GptService.java

@@ -221,4 +221,51 @@ public HttpRequest requestGPTCustom(String text) throws JsonProcessingException
 
 
     }
+
+    public HttpRequest requestGPTImage(String keyword) throws JsonProcessingException {
+        ObjectMapper mapper = new ObjectMapper();
+        List<Message> messages = new ArrayList<>();
+
+        messages.add(new Message(keyword, "user"));
+
+        DalleRequestDTO dalleRequest = new DalleRequestDTO("dall-e-3", keyword, 1,"1024x1024");
+        String input = null;
+        input = mapper.writeValueAsString(dalleRequest);
+        System.out.println(input);
+        System.out.println("apikey : " + gptApiCustomkey);
+
+        HttpRequest request = HttpRequest.newBuilder()
+            .uri(URI.create("https://api.openai.com/v1/images/generations"))
+            .header("Content-Type", "application/json")
+            .header("Authorization", "Bearer " + gptApiCustomkey)
+            .POST(HttpRequest.BodyPublishers.ofString(input))
+            .build();
+
+        return request;
+
+    }
+
+    public String responseDalle(HttpRequest request) throws JsonProcessingException {
+        HttpClient client = HttpClient.newHttpClient();
+        HttpResponse<String> response = null;
+        try {
+            response = client.send(request, HttpResponse.BodyHandlers.ofString());
+        } catch (IOException | InterruptedException e) {
+            throw new RuntimeException(e);
+        }
+        System.out.println(response.body());
+        ObjectMapper objectMapper = new ObjectMapper();
+        DalleResponseDTO dalleResponseDTO = objectMapper.readValue(response.body(), DalleResponseDTO.class);
+        if(dalleResponseDTO.getData() ==null){
+            throw new ApiException(ErrorCode.SERVER_ERROR);
+        }
+        List<DalleResData> data = dalleResponseDTO.getData();
+
+        String url = data.get(0).getUrl();
+        String subject = "";
+
+        System.out.println("content = " + url);
+        return url;
+
+    }
 }