Finish some move things.

rest/image_cache_service.go

@@ -16,6 +16,7 @@ type ImageCacheService struct {
 	Bean
 	imageCacheDao *ImageCacheDao
 	userDao       *UserDao
+	matterDao     *MatterDao
 }
 
 //初始化方法
@@ -33,6 +34,11 @@ func (this *ImageCacheService) Init() {
 		this.userDao = b
 	}
 
+	b = CONTEXT.GetBean(this.matterDao)
+	if b, ok := b.(*MatterDao); ok {
+		this.matterDao = b
+	}
+
 }
 
 //获取某个文件的详情，会把父级依次倒着装进去。如果中途出错，直接抛出异常。
@@ -234,3 +240,21 @@ func (this *ImageCacheService) cacheImage(writer http.ResponseWriter, request *h
 
 	return imageCache
 }
+
+//删除一个Matter的所有缓存文件。如果matter是文件夹，那么就删除该文件夹下的所有文件的缓存文件。
+func (this *ImageCacheService) Delete(matter *Matter) {
+
+	//目录的话递归删除。
+	if matter.Dir {
+		matters := this.matterDao.List(matter.Uuid, matter.UserUuid, nil)
+
+		for _, f := range matters {
+			this.Delete(f)
+		}
+
+	} else {
+
+		this.imageCacheDao.DeleteByMatterUuid(matter.Uuid)
+
+	}
+}