public async Task <Models.File> SavePublicFileAsync(IFormFile file)
{
try
{
var fileInfo = new Models.File()
{
Id = 0,
Name = file.FileName,
Path = Config.publicFilePath + DateTime.Now.ToString("yyyyMMddHHmmss") + CodeGenerator.GetCode(10),
Size = file.Length
};
using (var stream = System.IO.File.Create(fileInfo.Path))
{
await file.CopyToAsync(stream);
}
await dbContext.Files.AddAsync(fileInfo);
await dbContext.SaveChangesAsync();
return(fileInfo);
}
catch (Exception e)
{
logger.LogError(e.Message);
throw new Exception("Server Failed to Save File");
}
}
/// <summary>
/// 用户注册
/// </summary>
/// <param name="user">用户信息</param>
/// <returns>注册结果</returns>
public async Task RegistAsync(User user)
{
try
{
await dbContext.Users.AddAsync(user);
await dbContext.SaveChangesAsync();
}
catch (Exception e)
{
logger.LogError(e.Message);
throw new Exception("学号已存在");
}
}
public async Task AddSystemMessageAsync(string title, string content, string userID)
{
try
{
var e = new Event()
{
EventType = EventType.SystemMessage,
RelatedUser = userID,
Time = DateTime.Now,
Content = JsonConvert.SerializeObject(new { Title = title, Content = content })
};
await dbContext.Events.AddAsync(e);
await dbContext.SaveChangesAsync();
}
catch (Exception e)
{
logger.LogError(e.Message);
throw new Exception("Action Failed!");
}
}
public async Task RemoveCourseTeachersAsync(int courseID)
{
try
{
dbContext.UserCourse.RemoveRange(await dbContext.UserCourse.Where(uc => uc.CourseId == courseID).ToArrayAsync());
await dbContext.SaveChangesAsync();
}
catch (Exception e)
{
logger.LogError(e.Message);
throw new Exception("Action Failed!");
}
}