public async Task <ResultContract <byte[]> > GetBreakpoint(string name, long startPos, long endPos)
{
var result = new ResultContract <byte[]>()
{
Code = 0, Msg = "获取成功"
};
//先获取文件大小
try
{
var newName = Guid.NewGuid() + "-" + name;
long fileLength = AliyunOSSHepler.GetInstance().GetFileLength(name);
string mimeType = MimeHelper.GetMimeMapping(name);
AliyunOSSHepler.GetInstance().Download(downloadPath, startPos, endPos, name, newName);
var file = new byte[endPos - startPos];
using (var fileStream = new FileStream(downloadPath + newName, FileMode.Open))
{
fileStream.Read(file, 0, file.Length);
}
System.IO.File.Delete(downloadPath + newName);
result.Data = file;
}
catch (Exception e)
{
result.Msg = "获取失败";
result.Code = -1;
}
return(result);
}
/// <summary>
/// 删除文件
/// </summary>
/// <param name="fileId"></param>
/// <returns></returns>
public ResultContract <string> DeleteFile(string fileId)
{
var result = new ResultContract <string>()
{
Code = 0, Msg = "删除成功"
};
try
{
//先删除本地数据库
var url = ESAddress + "/document/delete/" + fileId;
var data = HttpHelper.HttpDelete(url);
ResultContract <object> returnResource = JsonConvert.DeserializeObject <ResultContract <object> >(data);
if (returnResource.Code == 200)
{
//删除云端
AliyunOSSHepler.GetInstance().DeleteObject(fileId);
}
else
{
result.Code = -1;
result.Msg = returnResource.Msg;
}
}
catch (Exception e)
{
LogHelper.logError("删除文件失败！" + e.StackTrace);
result.Code = -1;
result.Msg = "删除失败";
result.Data = e.StackTrace;
}
return(result);
}
public async Task <IActionResult> BreakpointDownload(string name)
{
//先获取文件大小
var newName = Guid.NewGuid() + "-" + name;
long fileLength = AliyunOSSHepler.GetInstance().GetFileLength(name);
string mimeType = MimeHelper.GetMimeMapping(name);
int partSize = 1024 * 1024 * 10;
var partCount = AliyunOSSHepler.GetInstance().CalPartCount(fileLength, partSize);
for (var i = 0; i < partCount; i++)
{
var startPos = partSize * i;
var endPos = partSize * i + (partSize < (fileLength - startPos) ? partSize : (fileLength - startPos)) - 1;
AliyunOSSHepler.GetInstance().Download(downloadPath, startPos, endPos, name, newName);
}
var file = new byte[fileLength];
using (var fileStream = new FileStream(downloadPath + newName, FileMode.Open))
{
fileStream.Read(file, 0, file.Length);
}
System.IO.File.Delete(downloadPath + newName);
return(File(file, mimeType, name));
}
public void BigVideo()
{
try
{
AliyunOSSHepler oss = new AliyunOSSHepler();
//获取文件所在路径
string workDir = AppDomain.CurrentDomain.BaseDirectory + ConfigHelper.ReadConfigByName("UploadFilePath");
DirectoryInfo folder = new DirectoryInfo(workDir);
//回写数据库的上云路径
string osspath = "";
//本地全部上云
FileInfo[] list = folder.GetFiles("*");
LogHelper.logError("获取大文件路径：" + workDir);
LogHelper.logError("获取大文件数量：" + list.Length.ToString());
for (int i = 0; i < list.Length; i++)
{
if (!CommonDictionary.GetInstance().KafkaIsOnline)
{
continue;
}
bool returnType = oss.UploadFiles(workDir, list[i].Name, ref osspath);
LogHelper.logError("上云路径：" + osspath);
if (returnType)
{
string fileid = list[i].Name.Split(".")[0];
UploadContract contract = new UploadContract();
contract.FileId = Guid.Parse(fileid);
contract.IsUpload = true;
contract.Url = osspath;
contract.NewFileName = list[i].Name;
KafKaContract kafka = new KafKaContract();
kafka.MsgId = fileid;
kafka.MsgCode = KafkaMsgCodeEnum.Update;
kafka.Msg = SerializeHelper.serializeToString(contract);
KafKaLogic.GetInstance().Push(kafka, KafkaTopic);
}
}
}
catch (Exception e)
{
LogHelper.logError("上云异常:" + e.Message);
}
}
public async Task <ResultContract <long> > GetFileLength(string name)
{
var result = new ResultContract <long>()
{
Code = 0, Msg = "获取成功"
};
try
{
long fileLength = AliyunOSSHepler.GetInstance().GetFileLength(name);
result.Data = fileLength;
}
catch (Exception e)
{
result.Msg = "获取失败";
result.Code = -1;
}
return(result);
}
public async Task <ResultContract <string> > UploadFile(BaseUploadContract data)
{
var result = new ResultContract <string>()
{
Code = 0, Msg = "上传成功"
};
try
{
//验证参数
var orgInfo = new OrganizationContract();
this.CheckParameter(data, ref result, ref orgInfo);
if (result.Code == -1)
{
return(result);
}
List <UploadContract> fileList = new List <UploadContract>();
var files = Request.Form.Files;
var groupId = Guid.NewGuid().ToString();
int order = 1;
foreach (var file in files)
{
var fileModel = new UploadContract()
{
UserId = data.UserId,
OrgId = data.OrgId,
AppId = data.AppId,
Tags = data.Tags,
UploadTime = DateTime.Now,
DisplayName = data.DisplayName,
Remark = data.Remark,
OrgName = orgInfo.OrganizationName,
Order = order,
ThemeType = data.ThemeType
};
//分组id
fileModel.GroupId = groupId;
var fileData = new MultipartFormDataContent();
//判断文件夹是否存在
if (!Directory.Exists(uploadFilePath))
{
Directory.CreateDirectory(uploadFilePath);
}
var imgPath = AppDomain.CurrentDomain.BaseDirectory + ConfigHelper.ReadConfigByName("ImgsPath");
if (!Directory.Exists(imgPath))
{
Directory.CreateDirectory(imgPath);
}
fileModel.FileName = file.FileName;
var lastName = file.FileName.Substring(file.FileName.LastIndexOf(".") + 1, (file.FileName.Length - file.FileName.LastIndexOf(".") - 1)); //扩展名
fileModel.FileId = Guid.NewGuid();
fileModel.NewFileName = fileModel.FileId + "." + lastName;
var fileLocalFullName = uploadFilePath + Path.DirectorySeparatorChar + fileModel.NewFileName;
var stream = file.OpenReadStream();
//文件保存到本地
double fileSize = 0;
//保存文件
FileHelper.SavaFile(fileLocalFullName, stream, ref fileSize);
//文件上传成功 修改model
fileModel.IsUpload = false;
fileModel.Url = fileLocalFullName;
fileModel.FileType = lastName;
//组织名称。后期加上
//判断文件大小
double uploadLimitSize = 0;
double.TryParse(ConfigHelper.ReadConfigByName("UploadLimitSizeM"), out uploadLimitSize);
//如果是视频截取封面
if (CommonDictionary.GetInstance().VideoType.Count(d => d.ToLower() == lastName.ToLower()) > 0)
{
var thumbnailPath = AliyunOSSHepler.GetInstance().GetPicFromVideo(fileLocalFullName, imgPath + Path.DirectorySeparatorChar + fileModel.FileId + ".jpg", "1");
var thumbnailUrl = "";
var isUpload = AliyunOSSHepler.GetInstance().UploadFiles(imgPath, fileModel.FileId + ".jpg", ref
thumbnailUrl, true);
fileModel.ThumbnailUrl = thumbnailPath;
if (isUpload && !string.IsNullOrWhiteSpace(thumbnailUrl))
{
fileModel.ThumbnailUrl = thumbnailUrl;
}
else
{
fileModel.IsFailure = true;
this._uploadHandService.SavaTagsFile(fileModel);
//把文件 移动到错误文件 文件夹
System.IO.File.Move(uploadFilePath + Path.DirectorySeparatorChar + fileModel.NewFileName, FailurePath + Path.DirectorySeparatorChar + fileModel.NewFileName);
result.Code = -1;
result.Msg = "截图失败";
return(result);
}
}
//如果断网把标签和文件都存到本地
if (!CommonDictionary.GetInstance().KafkaIsOnline)
{
this._uploadHandService.SavaTagsFile(fileModel);
}
else
{
//如果文件大小比预设大小 小 直接上云
if (fileSize < uploadLimitSize)
{
var url = "";
fileModel.IsUpload = AliyunOSSHepler.GetInstance().UploadFiles(uploadFilePath, fileModel.NewFileName, ref
url, false);
//如果上传失败 标签存本地
if (!fileModel.IsUpload)
{
fileModel.IsFailure = true;
this._uploadHandService.SavaTagsFile(fileModel);
//把文件 移动到错误文件 文件夹
System.IO.File.Move(uploadFilePath + Path.DirectorySeparatorChar + fileModel.NewFileName, FailurePath + Path.DirectorySeparatorChar + fileModel.NewFileName);
}
else
{
fileModel.Url = url;
}
}
fileList.Add(fileModel);
order++;
}
}
////把标签 推送到总署
KafKaContract kafkaModel = new KafKaContract();
if (fileList.Count > 1) //批量添加
{
kafkaModel.MsgCode = KafkaMsgCodeEnum.AddList;
kafkaModel.Msg = SerializeHelper.serializeToString(fileList);
KafKaLogic.GetInstance().Push(kafkaModel, KafkaTopic);
}
else if (fileList.Count() == 1) //单个文件添加
{
kafkaModel.MsgCode = KafkaMsgCodeEnum.Add;
fileList[0].GroupId = Guid.NewGuid().ToString();
kafkaModel.Msg = SerializeHelper.serializeToString(fileList[0]);
KafKaLogic.GetInstance().Push(kafkaModel, KafkaTopic);
}
}
catch (Exception e)
{
LogHelper.logError("上传文件失败：" + e.StackTrace);
result.Code = -1;
result.Msg = e.Message;
}
return(result);
}
public void FailureVideo()
{
try
{
//获取文件所在路径
string workDir = AppDomain.CurrentDomain.BaseDirectory + ConfigHelper.ReadConfigByName("FailurePath");
if (System.IO.Directory.Exists(workDir))
{
var list = this._dbContext.FileDB.FindAll <FileDbContract>();
LogHelper.logError("读取失败json");
foreach (var entity in list)
{
if (!CommonDictionary.GetInstance().KafkaIsOnline)
{
continue;
}
if (!string.IsNullOrEmpty(entity.Id))
{
LogHelper.logInfo("读取json文件：" + entity.Id);
DirectoryInfo folder = new DirectoryInfo(workDir);
//回写数据库的上云路径
string osspath = "";
//本地全部上云
FileInfo[] fileList = folder.GetFiles(entity.Id + ".*");
for (int i = 0; i < fileList.Length; i++)
{
UploadContract contract = SerializeHelper.deserializeToObject <UploadContract>(entity.data);
bool imgupload = true;
string imgurl = "";
if (contract.IsUpload == true)
{
KafKaContract kafka = new KafKaContract();
kafka.MsgId = entity.Id;
kafka.MsgCode = KafkaMsgCodeEnum.Add;
kafka.Msg = SerializeHelper.serializeToString(contract);
KafKaLogic.GetInstance().Push(kafka, KafkaTopic);
continue;
}
if (CommonDictionary.GetInstance().VideoType.Count(d => d.ToLower() == contract.FileType.ToLower()) > 0)
{
imgurl = AliyunOSSHepler.GetInstance().GetPicFromVideo(workDir + fileList[i].Name, imgPath + Path.DirectorySeparatorChar + contract.FileId + ".jpg", "1");
imgupload = AliyunOSSHepler.GetInstance().UploadFiles(imgPath, contract.FileId + ".jpg", ref imgurl);
}
if (imgupload)
{
bool returnType = AliyunOSSHepler.GetInstance().UploadFiles(workDir, fileList[i].Name, ref osspath);
if (returnType)
{
LogHelper.logInfo("上云封面地址:" + imgurl + "_______上云视频路径：" + osspath);
try
{
contract.IsUpload = true;
contract.Url = osspath;
contract.ThumbnailUrl = imgurl;
entity.data = SerializeHelper.serializeToString(contract);
this._dbContext.FileDB.Save <FileDbContract>(contract.FileId.ToString(), entity);
KafKaContract kafka = new KafKaContract();
kafka.MsgId = entity.Id;
kafka.MsgCode = KafkaMsgCodeEnum.Add;
kafka.Msg = SerializeHelper.serializeToString(contract);
KafKaLogic.GetInstance().Push(kafka, KafkaTopic);
}
catch (Exception e)
{
LogHelper.logError("解析json数据推送kafka异常：文件名-" + fileList[i].Name + "__" + e.ToString());
}
}
}
}
}
}
}
else
{
LogHelper.logError("失败任务无数据,本次不执行");
}
}
catch (Exception e)
{
LogHelper.logError("失败文件推送异常:" + e.Message + "__" + e.ToString());
}
}
