/// <summary>
/// 关联文件到对应的数据，并移动到指定的路径，并保存数据到数据库返回File对象
/// </summary>
/// <param name="interimPath"></param>
/// <param name="categoryId"></param>
/// <param name="categoryType"></param>
/// <param name="currentUserId"></param>
/// <param name="isReplace">是否替换掉之前所有相同类型（categoryType）的文件</param>
/// <param name="customSaveDirPath"></param>
/// <returns></returns>
public Files BindUploadFiles(string interimPath, string categoryId, FileTypesEnum categoryType, long currentUserId, bool isReplace = true, string customSaveDirPath = "")
{
string interimFullPath = WebHelper.GetMapPath(interimPath);
System.IO.FileInfo fi = new System.IO.FileInfo(interimFullPath);
if (fi.Exists)
{
var fileHandler = DealWithUploadFileHelper.GetInstance();
try
{
string fileSourceName = string.Empty; //文件名
string fileName = string.Empty; //文件路径
//当包含]时为新传文件
//var f = fi.Name.IndexOf("]") > -1;
if (fi.Name.IndexOf(']') < 1)
{
return(null);
}
int index = fi.Name.LastIndexOf(']');
fileName = fi.Name.Substring(index + 1);
fileSourceName = fi.Name.Substring(0, index).TrimStart('[');
string oldPath = string.Empty;
bool isCreate = false;
Files model = null;
if (isReplace && categoryId.IsNotNullAndNotEmpty())
{
model = _fileAppService.GetFilesByCategoryIdAndType(categoryId, categoryType.ToString());
if (model != null)
{
if (model.Url == interimPath)
{
return(null);
}
model.SortNo = 0;
oldPath = model.OldUrl;
model.OldUrl = model.Url;
}
}
if (model == null)
{
isCreate = true;
model = new Files();
//model.Id = IdentityCreator.NewGuid;
model.CreationTime = DateTime.Now;
model.RelateId = categoryId;
model.CategoryType = categoryType.ToString();
model.OldUrl = "";
model.SortNo = 0;
model.CreatorUserId = currentUserId;
model.TenantId = 1;
}
model.FileName = fileSourceName.Substring(0, fileSourceName.Length > 100 ? 100 : fileSourceName.Length);
model.FileSize = (int)fi.Length;
string cPath = string.Empty;
if (customSaveDirPath.IsNullOrEmpty())
{
string baseDirPath = DealWithUploadFileHelper.GetInstance().GetFilesSaveDirPath(categoryType.ToString());//保存文件夹路径，路径是从根目录开始
cPath = baseDirPath;
}
else
{
cPath = customSaveDirPath;
}
model.Url = System.IO.Path.Combine(cPath, fileName);
cPath = WebHelper.GetMapPath(cPath);//保存文件夹完整路径
if (!System.IO.Directory.Exists(cPath))
{
System.IO.Directory.CreateDirectory(cPath);
}
if (isCreate)
{
model = _fileAppService.Insert(model);
}
else
{
model = _fileAppService.Update(model);
}
cPath = WebHelper.GetMapPath(model.Url);
if (!System.IO.File.Exists(cPath))
{
fi.MoveTo(cPath);
}
#region 视频的封面处理
string videoCoverImg = string.Empty;
if (System.IO.Path.GetExtension(fi.FullName).ToUpper().Contains("MP4"))
{
string dir = System.IO.Path.GetDirectoryName(interimFullPath);
string videoFileName = System.IO.Path.GetFileNameWithoutExtension(cPath) + ".jpg";
string coverSourceImgPath = string.Concat(dir, "\\", videoFileName);
if (System.IO.File.Exists(coverSourceImgPath))
{
string saveCoverPath = string.Concat(System.IO.Path.GetDirectoryName(cPath), "\\", videoFileName);
new System.IO.FileInfo(coverSourceImgPath).MoveTo(saveCoverPath);
MakeThumbnail(saveCoverPath, categoryType);//封面裁切成指定尺寸
}
}
#endregion
#region 处理上传图片，需要缩略图等多种尺寸
#region 生成缩略图
MakeThumbnail(cPath, categoryType);
#endregion
#endregion
//更新删除旧文件
if (oldPath.IsNotNullAndNotEmpty())
{
MoveToRecycleAsync(oldPath);
}
return(model);
}
catch (Exception ex)
{
throw ex;
}
finally
{
}
}
return(null);
}