初始化

server/repository/folder_repo.go

@@ -0,0 +1,94 @@
+package repository
+
+import (
+	"seeyon-filesystem/config"
+	"seeyon-filesystem/model"
+)
+
+// FolderRepository 文件夹数据访问
+type FolderRepository struct{}
+
+// NewFolderRepository 创建文件夹Repository实例
+func NewFolderRepository() *FolderRepository {
+	return &FolderRepository{}
+}
+
+// Create 创建文件夹
+func (r *FolderRepository) Create(folder *model.Folder) error {
+	return config.DB.Create(folder).Error
+}
+
+// FindByID 根据ID查找文件夹
+func (r *FolderRepository) FindByID(id uint64) (*model.Folder, error) {
+	var folder model.Folder
+	err := config.DB.First(&folder, id).Error
+	if err != nil {
+		return nil, err
+	}
+	return &folder, nil
+}
+
+// ListByParent 查询子文件夹列表
+func (r *FolderRepository) ListByParent(parentID uint64, ownerID uint64) ([]model.Folder, error) {
+	var folders []model.Folder
+	err := config.DB.Where("parent_id = ? AND owner_id = ? AND status = 1", parentID, ownerID).
+		Order("name ASC").Find(&folders).Error
+	return folders, err
+}
+
+// FindByPath 根据路径查找文件夹
+func (r *FolderRepository) FindByPath(path string, ownerID uint64) (*model.Folder, error) {
+	var folder model.Folder
+	err := config.DB.Where("path = ? AND owner_id = ? AND status = 1", path, ownerID).First(&folder).Error
+	if err != nil {
+		return nil, err
+	}
+	return &folder, nil
+}
+
+// FindByNameAndParent 根据名称和父文件夹查找(用于判断重名)
+func (r *FolderRepository) FindByNameAndParent(name string, parentID uint64, ownerID uint64) (*model.Folder, error) {
+	var folder model.Folder
+	err := config.DB.Where("name = ? AND parent_id = ? AND owner_id = ? AND status = 1",
+		name, parentID, ownerID).First(&folder).Error
+	if err != nil {
+		return nil, err
+	}
+	return &folder, nil
+}
+
+// ListTrashed 查询回收站文件夹
+func (r *FolderRepository) ListTrashed(ownerID uint64) ([]model.Folder, error) {
+	var folders []model.Folder
+	err := config.DB.Where("owner_id = ? AND status = 0", ownerID).
+		Order("updated_at DESC").Find(&folders).Error
+	return folders, err
+}
+
+// Update 更新文件夹
+func (r *FolderRepository) Update(folder *model.Folder) error {
+	return config.DB.Save(folder).Error
+}
+
+// SoftDelete 软删除
+func (r *FolderRepository) SoftDelete(id uint64) error {
+	return config.DB.Model(&model.Folder{}).Where("id = ?", id).Update("status", 0).Error
+}
+
+// Restore 从回收站恢复
+func (r *FolderRepository) Restore(id uint64) error {
+	return config.DB.Model(&model.Folder{}).Where("id = ?", id).Update("status", 1).Error
+}
+
+// HardDelete 永久删除
+func (r *FolderRepository) HardDelete(id uint64) error {
+	return config.DB.Unscoped().Delete(&model.Folder{}, id).Error
+}
+
+// GetChildrenPath 获取所有子孙文件夹的路径前缀(用于级联操作)
+func (r *FolderRepository) GetChildrenByPath(pathPrefix string, ownerID uint64) ([]model.Folder, error) {
+	var folders []model.Folder
+	err := config.DB.Where("path LIKE ? AND owner_id = ?",
+		pathPrefix+"%", ownerID).Find(&folders).Error
+	return folders, err
+}