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server/src/main/java/server/haengdong/application/EventImageFacadeService.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,88 +1,88 @@ | ||
| package server.haengdong.application; | ||
| package server.haengdong.application; | ||
|
|
||
| import java.util.List; | ||
| import java.util.concurrent.CompletableFuture; | ||
| import java.util.concurrent.CompletionException; | ||
| import java.util.concurrent.ExecutorService; | ||
| import java.util.stream.IntStream; | ||
| import lombok.RequiredArgsConstructor; | ||
| import org.springframework.stereotype.Service; | ||
| import org.springframework.web.multipart.MultipartFile; | ||
| import server.haengdong.application.response.EventImageSaveAppResponse; | ||
| import server.haengdong.exception.HaengdongErrorCode; | ||
| import server.haengdong.exception.HaengdongException; | ||
| import java.util.List; | ||
| import java.util.concurrent.CompletableFuture; | ||
| import java.util.concurrent.CompletionException; | ||
| import java.util.concurrent.ExecutorService; | ||
| import java.util.stream.IntStream; | ||
| import lombok.RequiredArgsConstructor; | ||
| import org.springframework.stereotype.Service; | ||
| import org.springframework.web.multipart.MultipartFile; | ||
| import server.haengdong.application.response.EventImageSaveAppResponse; | ||
| import server.haengdong.exception.HaengdongErrorCode; | ||
| import server.haengdong.exception.HaengdongException; | ||
|
|
||
| @RequiredArgsConstructor | ||
| @Service | ||
| public class EventImageFacadeService { | ||
| @RequiredArgsConstructor | ||
| @Service | ||
| public class EventImageFacadeService { | ||
|
|
||
| private final EventService eventService; | ||
| private final ImageService imageService; | ||
| private final ExecutorService executorService; | ||
| private final EventService eventService; | ||
| private final ImageService imageService; | ||
| private final ExecutorService executorService; | ||
|
|
||
| public void uploadImages(String token, List<MultipartFile> images) { | ||
| List<EventImageSaveAppResponse> imageNames = eventService.saveImages(token, getOriginalNames(images)); | ||
| List<CompletableFuture<String>> futures = createFutures(images, imageNames); | ||
| CompletableFuture<List<String>> allFutures = createAllFutures(token, futures, imageNames); | ||
| public void uploadImages(String token, List<MultipartFile> images) { | ||
| List<EventImageSaveAppResponse> imageNames = eventService.saveImages(token, getOriginalNames(images)); | ||
| List<CompletableFuture<String>> futures = createFutures(images, imageNames); | ||
| CompletableFuture<List<String>> allFutures = createAllFutures(token, futures, imageNames); | ||
|
|
||
| try { | ||
| allFutures.join(); | ||
| } catch (CompletionException e) { | ||
| throw new HaengdongException(HaengdongErrorCode.IMAGE_UPLOAD_FAIL, e); | ||
| } | ||
| try { | ||
| allFutures.join(); | ||
| } catch (CompletionException e) { | ||
| throw new HaengdongException(HaengdongErrorCode.IMAGE_UPLOAD_FAIL, e); | ||
| } | ||
| } | ||
|
|
||
| private List<CompletableFuture<String>> createFutures( | ||
| List<MultipartFile> images, List<EventImageSaveAppResponse> imageNames | ||
| ) { | ||
| return IntStream.range(0, imageNames.size()) | ||
| .mapToObj(i -> CompletableFuture.supplyAsync(() -> { | ||
| imageService.uploadImage(images.get(i), imageNames.get(i).name()); | ||
| return imageNames.get(i).name(); | ||
| }, executorService)) | ||
| .toList(); | ||
| } | ||
| private List<CompletableFuture<String>> createFutures( | ||
| List<MultipartFile> images, List<EventImageSaveAppResponse> imageNames | ||
| ) { | ||
| return IntStream.range(0, imageNames.size()) | ||
| .mapToObj(i -> CompletableFuture.supplyAsync(() -> { | ||
| imageService.uploadImage(images.get(i), imageNames.get(i).name()); | ||
| return imageNames.get(i).name(); | ||
| }, executorService)) | ||
| .toList(); | ||
| } | ||
|
|
||
| private CompletableFuture<List<String>> createAllFutures( | ||
| String token, List<CompletableFuture<String>> futures, List<EventImageSaveAppResponse> imageNames | ||
| ) { | ||
| return CompletableFuture.allOf(futures.toArray(new CompletableFuture[0])) | ||
| .thenApply(v -> applyFutures(futures)) | ||
| .exceptionally(ex -> { | ||
| eventService.deleteImages(token, getImageIds(imageNames)); | ||
| getSuccessUploadImages(futures).forEach(imageService::deleteImage); | ||
| private CompletableFuture<List<String>> createAllFutures( | ||
| String token, List<CompletableFuture<String>> futures, List<EventImageSaveAppResponse> imageNames | ||
| ) { | ||
| return CompletableFuture.allOf(futures.toArray(new CompletableFuture[0])) | ||
| .thenApply(v -> applyFutures(futures)) | ||
| .exceptionally(ex -> { | ||
| eventService.deleteImages(token, getImageIds(imageNames)); | ||
| getSuccessUploadImages(futures).forEach(imageService::deleteImage); | ||
|
|
||
| throw new HaengdongException(HaengdongErrorCode.IMAGE_UPLOAD_FAIL, ex); | ||
| }); | ||
| } | ||
| throw new HaengdongException(HaengdongErrorCode.IMAGE_UPLOAD_FAIL, ex); | ||
| }); | ||
| } | ||
|
|
||
| private List<String> applyFutures(List<CompletableFuture<String>> futures) { | ||
| return futures.stream() | ||
| .map(CompletableFuture::join) | ||
| .toList(); | ||
| } | ||
| private List<String> applyFutures(List<CompletableFuture<String>> futures) { | ||
| return futures.stream() | ||
| .map(CompletableFuture::join) | ||
| .toList(); | ||
| } | ||
|
|
||
| private List<String> getSuccessUploadImages(List<CompletableFuture<String>> futures) { | ||
| return futures.stream() | ||
| .filter(future -> future.isDone() && !future.isCompletedExceptionally()) | ||
| .map(CompletableFuture::join) | ||
| .toList(); | ||
| } | ||
| private List<String> getSuccessUploadImages(List<CompletableFuture<String>> futures) { | ||
| return futures.stream() | ||
| .filter(future -> future.isDone() && !future.isCompletedExceptionally()) | ||
| .map(CompletableFuture::join) | ||
| .toList(); | ||
| } | ||
|
|
||
| private List<String> getOriginalNames(List<MultipartFile> images) { | ||
| return images.stream() | ||
| .map(MultipartFile::getOriginalFilename) | ||
| .toList(); | ||
| } | ||
| private List<String> getOriginalNames(List<MultipartFile> images) { | ||
| return images.stream() | ||
| .map(MultipartFile::getOriginalFilename) | ||
| .toList(); | ||
| } | ||
|
|
||
| private List<Long> getImageIds(List<EventImageSaveAppResponse> imageNames) { | ||
| return imageNames.stream() | ||
| .map(EventImageSaveAppResponse::id) | ||
| .toList(); | ||
| } | ||
| private List<Long> getImageIds(List<EventImageSaveAppResponse> imageNames) { | ||
| return imageNames.stream() | ||
| .map(EventImageSaveAppResponse::id) | ||
| .toList(); | ||
| } | ||
|
|
||
| public void deleteImage(String token, Long imageId) { | ||
| String imageName = eventService.deleteImage(token, imageId); | ||
| imageService.deleteImage(imageName); | ||
| } | ||
| public void deleteImage(String token, Long imageId) { | ||
| String imageName = eventService.deleteImage(token, imageId); | ||
| imageService.deleteImage(imageName); | ||
| } | ||
| } |