public JsonResult Delete(FileNode target) {
if (target == null) throw new ApiArgumentException($"{nameof(target)}不應該為null");
if (!target.HasWriteAuthority(User, Database)) {
throw new AuthorizeException("無權限存取該目錄");
}
if (target.ParentId == null) throw new ApiInvalidOperationException("使用者根目錄不得刪除");
target.Delete(Database);
return new ApiResult();
}
public JsonResult Put(
FileNode target,
FileNode parent,
[FromForm]string name = null,
[FromForm]string description = null,
[FromForm]long? dirMaxSize = null,
[FromForm]Group group = null,
[FromForm]FileNodeAuthority? groupAuthority = null,
[FromForm]FileNodeAuthority? otherAuthority = null
) {
if (!target.HasWriteAuthority(User, Database)) {
throw new AuthorizeException("無權限進行變更");
}
//是目錄，且非擁有者禁止調整
if (!target.IsFile && target.Owner != User) {
throw new AuthorizeException("僅目錄所有者可進行變更");
}
#region 非擁有者僅可變更檔案的名稱與敘述
if (name != null) target.Name = name;
if (description != null) target.Description = description;
if (!target.IsFile && dirMaxSize.HasValue) target.DirMaxSize = dirMaxSize;
#endregion
if (target.Owner == User) {//以下屬性僅擁有者
if (parent != null && target.ParentId != null) {
target.ParentId = parent.Id;//僅非根目錄可移動
}
if (group != null) target.Group = group;
if (groupAuthority.HasValue) target.GroupAuthority = groupAuthority.Value;
if (otherAuthority.HasValue) target.OtherAuthority = otherAuthority.Value;
}
Database.SaveChanges();
return new ApiResult() {
Result = target
};
}
public JsonResult Clear(
FileNode target,
[FromForm]List<FileNodeNullableProperties> properties) {
if (!target.HasWriteAuthority(User, Database)) {
throw new AuthorizeException("無權限進行變更");
}
foreach (var property in properties) {
if (property == FileNodeNullableProperties.Description) {
target.Description = null;
} else if (property == FileNodeNullableProperties.DirMaxSize) {
if (target.IsFile) continue;
} else if (property == FileNodeNullableProperties.Group) {
if (target.OwnerId == User.Id) target.GroupId = null;
}
}
Database.SaveChanges();
return new ApiResult() {
Result = target
};
}
public async Task<JsonResult> Post(
FileNode target = null,
[FromForm]IFormFile[] files = null,
[FromForm]string dirName = "未命名資料夾") {
if (!IsLogin && target == null) throw new ApiInvalidOperationException("未登入狀態必須要指定目錄");
if (target == null) {//預設上傳到目前使用者根目錄
target = User.GetRootFileNode(Database);
}
if (target.IsFile) throw new ApiInvalidOperationException($"目標節點不應該為檔案");
if (!target.HasWriteAuthority(User, Database)) {
throw new AuthorizeException("無權限存取該目錄");
}
if (files != null && files.Count() > 0) {//上傳檔案至指定目錄
return await UploadFile(target, files);
} else if (target.Owner == User) {
return await CreateDir(target, dirName);
}
throw new AuthorizeException("僅目錄擁有者可以建立子系目錄目錄");
}