public JsonResult Info(FileNode target) {
if (!target.HasReadAuthority(User, Database)) {
throw new AuthorizeException("無權限存取該目標");
}
return new ApiResult() {
Result = target
};
}
public JsonResult Children(
FileNode target,
[FromQuery]int index = 0,
[FromQuery]int length = 10,
[FromQuery]OrderTypes order = OrderTypes.DirFirst) {
if (!target.HasReadAuthority(User, Database)) {
throw new AuthorizeException("無權限存取該目標");
}
if (target.IsFile) throw new ApiInvalidOperationException("檔案無子系");
var data = target.GetChildren(Database);
if (order == OrderTypes.DirFirst) {
data = from t in data
orderby t.IsFile, t.Ext, t.Name
select t;
} else if (order == OrderTypes.FileFirst) {
data = from t in data
orderby t.IsFile, t.Ext descending, t.Name
select t;
}
var result = new ApiResult() {
Result = data.Skip(index).Take(length)
};
result.Type.Index = index;
result.Type.Length = length;
result.Type.Count = data.Count();
return result;
}
public FileStreamResult Download(FileNode target) {
if (!target.HasReadAuthority(User, Database)) {
throw new AuthorizeException("無權限存取該目標");
}
target.Download++;
Database.SaveChanges();
if (target.IsFile) {
return File(target.GetFileStream(), target.ContentType, target.FullName);
} else {
var FilePath = target.GetAndCreateDirZipFileRealPath(User, Database);
Response.OnCompleted(async (filePath) => {
System.IO.File.Delete((string)filePath);
},FilePath);
return File(
new FileStream(FilePath, FileMode.Open),
"application/zip",
$"{target.Name}.zip");
}
}
public JsonResult GeneratePreviewKey(FileNode target) {
if (!target.HasReadAuthority(User, Database)) {
throw new AuthorizeException("無權限存取該目標");
}
if (!target.IsFile) throw new ApiInvalidOperationException($"目標節點不應該為目錄");
var ExpireTime = DateTime.Now.AddMinutes(10);
Guid Key = PreviewKeyCheck.Create(target.Id, ExpireTime);
var result = new ApiResult() {
Result = new {
TargetId = target.Id,
Key = Key,
ExpireTime = ExpireTime
}
};
result.Type.Name = "PreviewKey";
return result;
}
public JsonResult Search(
FileNode target = null,
[FromQuery]string keyword = "",
[FromQuery]int index = 0,
[FromQuery]int length = 10,
[FromQuery]OrderTypes order = OrderTypes.DirFirst) {
if (target == null && !IsLogin) throw new AuthorizeException();
if (target == null) {
target = User.GetRootFileNode(Database);
}
if (target.IsFile) throw new ApiInvalidOperationException("檔案無子系");
if (!target.HasReadAuthority(User, Database)) {
throw new AuthorizeException("無權限存取該目標");
}
IQueryable<FileNode> data = Database.FileNode.Where(x => x.OwnerId == User.Id).Where(x => x.Name.Contains(keyword));
if (target != null) {
data = from t in Database.FileNode
where t.ParentId == target.Id && t.Name.Contains(keyword)
select t;
}
if (order == OrderTypes.DirFirst) {
data = from t in data
orderby t.IsFile, t.Ext, t.Name
select t;
} else if (order == OrderTypes.FileFirst) {
data = from t in data
orderby t.IsFile, t.Ext descending, t.Name
select t;
}
var result = new ApiResult() {
Result = data.Skip(index).Take(length)
};
result.Type.Index = index;
result.Type.Length = length;
result.Type.Count = data.Count();
return result;
}