/// <summary>验证</summary>
private async Task <PKSKeyValuePair <TDocument, AppDataSaveResult> > Validate(AppDataSaveRequest request, bool replace)
{
#region 检查键
var doc = new TDocument();
IndexAppData oldDoc = null;
if (request.DataId.IsNullOrEmpty())
{
if (request.ResourceKey.IsNullOrEmpty())
{
ApiServiceExceptionCodes.ResourceKeyNotExists.ThrowUserFriendly("缺少参数！", $"ResourceKey不存在！");
}
request.DataId = request.ResourceKey.ToUpperInvariant().ToMD5();
}
else
{
oldDoc = await Accessor.AsQueryable().FirstAsync(e => e.Id == request.DataId);
}
doc.Id = request.DataId;
doc.DataId = request.DataId;
doc.Name = request.Name;
doc.IsOnline = false;
#endregion
var context = new UploadFileContext();
if (request.ContentType != IndexAppContentType.File)
{
#region 非文件应用数据
if (request.Content == null)
{
if (request.UploadFileId.IsNullOrEmpty())
{
ExceptionCodes.MissingParameterValue.ThrowUserFriendly("缺少参数！", $"Content不存在！");
}
context.UploadFileDoc = await this.UploadFileHandler.GetAsync(request.UploadFileId);
doc.SourceName = context.UploadFileDoc.FileName;
doc.SourceStorageType = IndexStorageType.Url;
doc.SourceContentRef = context.UploadFileDoc.RelativePath.Replace('\\', '/');
context.UploadFileFormat = Path.GetExtension(context.UploadFileDoc.FileName).GetFileFormat();
}
switch (request.ContentType)
{
case IndexAppContentType.Html:
doc.DataType = IndexAppDataType.Html;
if (context.UploadFileDoc != null)
{
if (context.UploadFileFormat.GenerateHtml)
{
request.Content = await GenerateHtmlAsync(context);
}
else
{
request.Content = BuildContent(context);
}
}
break;
case IndexAppContentType.Json:
doc.DataType = IndexAppDataType.Json;
if (context.UploadFileDoc != null)
{
var content = BuildContent(context);
request.Content = content.JsonTo();
}
break;
default:
ExceptionCodes.ParameterParsingFailed.ThrowUserFriendly("参数解析失败！", $"ContentType[{request.ContentType.ToString()}]值无效！");
break;
}
doc.StorageType = IndexStorageType.Content;
doc.Content = JsonUtil.ToObject(request.Content);
#endregion
}
else
{
#region 文件应用数据
if (request.StorageType == FileStorageType.FileSystem && !request.IsOnline)
{
if (request.SourceFile.IsNullOrEmpty())
{
CopyFromOld(doc, oldDoc);
}
else
{
context.UploadFileDoc = await this.UploadFileHandler.OfflineUploadAsync(request.SourceFile);
await BuildUrl(doc, context);
}
}
else
{
if (request.UploadFileId.IsNullOrEmpty())
{
CopyFromOld(doc, oldDoc);
}
else
{
doc.IsOnline = true;
context.UploadFileDoc = await this.UploadFileHandler.GetAsync(request.UploadFileId);
if (request.StorageType == FileStorageType.Mongo)
{
var fileObjectId = await this.UploadFileHandler.InsertMongoAsync(context.UploadFileDoc);
doc.SourceStorageType = IndexStorageType.File;
doc.SourceContentRef = fileObjectId.ToString();
await BuildUploadFile(doc, context);
}
else
{
if (!request.SourceFile.IsNullOrEmpty())
{
await this.UploadFileHandler.OnlineUploadAsync(context.UploadFileDoc, request.SourceFile);
}
await BuildUrl(doc, context);
}
}
}
#endregion
}
#region 检查属性
if (!replace || oldDoc == null)
{
doc.CreateBy = request.Uploader;
doc.CreateDate = DateTime.UtcNow;
}
else
{
doc.CreateBy = oldDoc.CreateBy;
doc.CreateDate = oldDoc.CreateDate;
}
doc.LastUpdatedBy = request.Uploader;
doc.LastUpdatedDate = DateTime.UtcNow;
doc.RawAdapter = request.RawAdapter;
doc.System = request.System;
doc.ResourceType = request.ResourceType;
doc.ResourceKey = request.ResourceKey;
var pair = new PKSKeyValuePair <TDocument, AppDataSaveResult>();
pair.Key = doc;
var result = new AppDataSaveResult();
result.DataId = doc.DataId;
if (request.GenerateThumbnail && context.UploadFileDoc != null && context.UploadFileFormat.GenerateThumbnail)
{
result.Thumbnail = await GenerateThumbnailAsync(context);
}
if (request.GenerateFulltext && context.UploadFileDoc != null && context.UploadFileFormat.GenerateFulltext)
{
result.Fulltext = await GenerateFulltextAsync(context);
}
pair.Value = result;
return(pair);
#endregion
}
/// <summary>根据DataID或FileID获得相关文件流</summary>
public async Task <DownloadResult> DownloadAsync(DownloadRequest request, IndexAppData doc)
{
var result = new DownloadResult();
string ext = null;
if (doc != null)
{
if (request.Source)
{
if (doc.SourceContentRef.IsNullOrEmpty())
{
ExceptionCodes.ParameterParsingFailed.ThrowUserFriendly("下载失败！", $"DataId[{request.DataId}]不存在源文件！");
}
request.StorageType = doc.SourceStorageType.Value;
request.ContentRef = doc.SourceContentRef;
result.FileName = doc.SourceName;
}
else
{
if (doc.ContentRef.IsNullOrEmpty())
{
ExceptionCodes.ParameterParsingFailed.ThrowUserFriendly("下载失败！", $"DataId[{request.DataId}]不存在文件！");
}
request.StorageType = doc.StorageType;
request.ContentRef = doc.ContentRef;
ext = Path.GetExtension(doc.Name);
if (!ext.IsNullOrEmpty())
{
result.FileName = doc.Name;
}
}
}
if (request.StorageType == IndexStorageType.File)
{
var fileObjectId = new ObjectId(request.ContentRef);
var bucketStream = await Bucket.OpenDownloadStreamAsync(fileObjectId);
if (result.FileName.IsNullOrEmpty())
{
result.FileName = bucketStream.FileInfo.Filename;
}
result.Content = bucketStream;
}
else if (request.StorageType == IndexStorageType.Url)
{
var relativePath = request.ContentRef.Replace('/', '\\');
if (result.FileName.IsNullOrEmpty())
{
result.FileName = Path.GetFileName(relativePath);
}
result.Content = File.OpenRead(this.UploadPath + relativePath);
}
else
{
ExceptionCodes.MissingParameterValue.ThrowUserFriendly("下载失败！", $"缺少参数！");
}
if (!request.FileName.IsNullOrEmpty())
{
ext = Path.GetExtension(request.FileName);
}
if (ext.IsNullOrEmpty())
{
ext = Path.GetExtension(result.FileName);
}
result.ContentType = ext.GetMediaType();
return(result);
}
