性能优化：N+1查询改批量、串行远程调用并发化、紫鸟索引巡检批量回写

backend-java/src/main/java/com/nanri/aiimage/modules/publish/service/PublishTaskService.java

@@ -69,6 +69,7 @@ import java.util.Objects;
 import java.util.Set;
 import java.util.function.Function;
 import java.util.stream.Collectors;
+import java.util.stream.Collectors;
 
 @Slf4j
 @Service
@@ -449,15 +450,24 @@ public class PublishTaskService {
             }
 
             TaskOptions options = readTaskOptions(task);
+            List<Long> successfulFileIds = successfulFiles.stream()
+                    .map(PublishFileEntity::getId)
+                    .toList();
+            Map<Long, List<PublishItemEntity>> itemsByFileId = successfulFileIds.isEmpty()
+                    ? Map.of()
+                    : publishItemMapper.selectList(
+                            new LambdaQueryWrapper<PublishItemEntity>()
+                                    .eq(PublishItemEntity::getTaskId, task.getId())
+                                    .in(PublishItemEntity::getFileId, successfulFileIds)
+                                    .orderByAsc(PublishItemEntity::getRowIndex))
+                    .stream()
+                    .collect(Collectors.groupingBy(PublishItemEntity::getFileId,
+                            LinkedHashMap::new, Collectors.toList()));
             List<PublishWorkbookService.WorkbookInput> inputs = new ArrayList<>();
             int rowCount = 0;
             for (PublishFileEntity file : successfulFiles) {
-                List<PublishItemEntity> items = publishItemMapper.selectList(
-                        new LambdaQueryWrapper<PublishItemEntity>()
-                                .eq(PublishItemEntity::getTaskId, task.getId())
-                                .eq(PublishItemEntity::getFileId, file.getId())
-                                .orderByAsc(PublishItemEntity::getRowIndex));
-                List<PublishRowDto> rows = items.stream().map(this::toRowDto).toList();
+                List<PublishRowDto> rows = itemsByFileId.getOrDefault(file.getId(), List.of())
+                        .stream().map(this::toRowDto).toList();
                 rowCount += rows.size();
                 inputs.add(new PublishWorkbookService.WorkbookInput(
                         file.getSourceFilename(), file.getShopName(), options.publishCountry(), rows));