public DocConvertResultDto CreateConvertTask(OSSObjectDto ossObjectDto)
{
Requires.NotNull(ossObjectDto, nameof(ossObjectDto));
var request = new CreateOfficeConversionTaskRequest
{
AcceptFormat = FormatType.JSON,
Project = m_IMMSetting.Project,
SrcUri = ossObjectDto.OSSPath,
SrcType = ossObjectDto.FileType,
TgtType = m_IMMSetting.ConvertType,
TgtUri = m_IMMSetting.GetTgtUri(ossObjectDto.IMMKey)
};
var task = Request(request);
if (task == null)
{
return(null);
}
var result = new DocConvertResultDto(task);
if (result.Status == DocConvertStatus.Failed)
{
m_Logger.LogWarning($"创建转换任务失败：{JsonConvert.SerializeObject(task)}");
}
return(result);
}
public virtual SimplyResult <OSSObjectDto> GetOSSObject(string ossPath)
{
Requires.NotNullOrEmpty(ossPath, nameof(ossPath));
var ossObject = new OSSObjectDto(ossPath);
var ossObjectMetadata = m_OSSService.GetObjectMetadata(ossObject.Bucket, ossObject.FilePath);
if (ossObjectMetadata == null)
{
return(SimplyResult.Fail <OSSObjectDto>("FileNoExist", "文档不存在"));
}
var ossFileType = string.Empty;
if (!string.IsNullOrEmpty(ossObjectMetadata.ContentDisposition))
{
var fileName = Regexs.ContentDispositionFileNameRegex.Match(ossObjectMetadata.ContentDisposition).Value;
ossFileType = Path.GetExtension(fileName).TrimStart('.');
}
if (string.IsNullOrEmpty(ossFileType))
{
Resources.ContentTypeDict.TryGetValue(ossObjectMetadata.ContentType.Split(';')[0].ToLower(), out ossFileType);
}
if (string.IsNullOrEmpty(ossFileType) || !Resources.IMMFileTypeDict.TryGetValue(ossFileType, out var immFileType))
{
return(SimplyResult.Fail <OSSObjectDto>("UnsupportedFile", "不支持的文件类型"));
}
ossObject.FileType = immFileType;
ossObject.ETag = ossObjectMetadata.ETag;
return(SimplyResult.Ok(ossObject));
}
public override async Task <SimplyResult <DocConvertResultDto> > GenerateAsync(OSSObjectDto ossObjectDto, bool isRegenerate)
{
Requires.NotNull(ossObjectDto, nameof(ossObjectDto));
var token = await GetTokenAsync(ossObjectDto.Bucket, ossObjectDto.FilePath, ossObjectDto.HashPath, isRegenerate);
var generateResult = new DocConvertResultDto
{
PreviewUrl = GetPreviewUrl(ossObjectDto.Bucket, ossObjectDto.FilePath, token),
Status = DocConvertStatus.Finished,
FileType = ossObjectDto.FileType
};
return(SimplyResult.Ok(generateResult));
}
public virtual async Task <SimplyResult <DocConvertResultDto> > GenerateAsync(OSSObjectDto ossObjectDto, bool isRegenerate)
{
Requires.NotNull(ossObjectDto, nameof(ossObjectDto));
var generateResult = await m_PreviewRedisService.GetAsync(ossObjectDto.HashPath);
if ((generateResult?.ETag ?? string.Empty) != ossObjectDto.ETag)
{
isRegenerate = true;
}
if (isRegenerate)
{
generateResult = m_PreviewSetting.IsSyncConvert
? m_IMMService.Convert(ossObjectDto)
: m_IMMService.CreateConvertTask(ossObjectDto);
}
if (generateResult?.Status == DocConvertStatus.Running && m_PreviewSetting.TaskPollingSpend > 0)
{
generateResult = await QueryConvertTaskAsync(generateResult.TaskId);
}
switch (generateResult?.Status)
{
case DocConvertStatus.Running:
case DocConvertStatus.Finished:
generateResult.PreviewUrl = m_IMMSetting.GetPreviewUrl(ossObjectDto.IMMKey);
generateResult.FileType = ossObjectDto.FileType;
await m_PreviewRedisService.SetAsync(ossObjectDto.HashPath, generateResult);
var token = await GetTokenAsync(m_IMMSetting.Bucket,
$"{m_IMMSetting.GetPrefix(ossObjectDto.IMMKey)}/*", ossObjectDto.HashPath, isRegenerate);
generateResult.PreviewUrl = GetFullPreviewUrl(generateResult.PreviewUrl, token);
return(SimplyResult.Ok(generateResult));
default:
await m_PreviewRedisService.DeleteAsync(ossObjectDto.HashPath);
return(SimplyResult.Fail <DocConvertResultDto>("GenerateFail", "文档转换失败"));
}
}
