public async Task InitializeUserCourse()
{
await InitializeUser();
await InitializeCourse();
var countusercourse = await _dbContext.UserCourses.CountAsync();
if (countusercourse >= 100)
{
return;
}
var timeStamp = new List <TimeSpan>()
{
TimeSpan.FromHours(3),
TimeSpan.FromHours(4),
TimeSpan.FromSeconds(30),
TimeSpan.FromMinutes(5),
TimeSpan.FromMinutes(10),
TimeSpan.FromMinutes(50),
TimeSpan.FromMinutes(30),
};;
var userId = await _dbContext.Users.Select(a => a.Id).Take(100).ToListAsync();
var courseId = await _dbContext.Courses.Select(a => a.Id).Take(100).ToListAsync();
var userCourse = new Faker <Data.UserCourse>()
.RuleFor(a => a.CourseId, c => c.PickRandom(courseId))
.RuleFor(a => a.UserId, c => c.PickRandom(userId))
.RuleFor(a => a.Duration, c => c.PickRandom(timeStamp))
.Generate(100)
;
await _dbContext.UserCourses.AddRangeAsync(userCourse);
await _dbContext.SaveChangesAsync();
}
public async Task <IActionResult> UploadCourse()
{
var file = Request.Form.Files[0];
string folderName = "UploadedFiles";
string webRootPath = _hostingEnvironment.WebRootPath;
string newPath = Path.Combine(webRootPath, folderName);
if (!Directory.Exists(newPath))
{
Directory.CreateDirectory(newPath);
}
var courses = new List <Course>();
if (file.Length > 0)
{
string sFileExtension = Path.GetExtension(file.FileName)?.ToLower();
ISheet sheet;
string fullPath = Path.Combine(newPath, file.FileName ?? throw new InvalidOperationException());
using (var stream = new FileStream(fullPath, FileMode.Create))
{
file.CopyTo(stream);
stream.Position = 0;
if (sFileExtension == ".xls")
{
HSSFWorkbook hssfwb = new HSSFWorkbook(stream); //This will read the Excel 97-2000 formats
sheet = hssfwb.GetSheetAt(0); //get first sheet from workbook
}
else
{
XSSFWorkbook hssfwb = new XSSFWorkbook(stream); //This will read 2007 Excel format
sheet = hssfwb.GetSheetAt(0); //get first sheet from workbook
}
IRow headerRow = sheet.GetRow(0); //Get Header Row
int cellCount = headerRow.LastCellNum;
for (int i = (sheet.FirstRowNum + 1); i <= sheet.LastRowNum; i++) //Read Excel File
{
IRow row = sheet.GetRow(i);
if (row == null)
{
continue;
}
if (row.Cells.All(d => d.CellType == CellType.Blank))
{
continue;
}
var course = new Course()
{
Title = row.GetCell(1).ToString(),
Description = row.GetCell(2).ToString(),
};
courses.Add(course);
}
await _context.Courses.AddRangeAsync(courses);
await _context.SaveChangesAsync();
return(Ok(new { message = "uploaded successfully" }));
}
}
return(BadRequest("Something went wrong"));
}