Exemplo n.º 1
0
        public async Task <MemoryStream> BuildCSV(AllContactViewModel data)
        {
            string   sWebRootFolder = _hostingEnvironment.WebRootPath;
            string   sFileName      = @"ContactList.xlsx";
            FileInfo file           = new FileInfo(Path.Combine(sWebRootFolder, sFileName));
            var      memory         = new MemoryStream();

            using (var fs = new FileStream(Path.Combine(sWebRootFolder, sFileName), FileMode.Create, FileAccess.Write))
            {
                IWorkbook workbook;
                workbook = new XSSFWorkbook();
                ISheet excelSheet = workbook.CreateSheet("ContactList");

                IRow row = excelSheet.CreateRow(0);

                row.CreateCell(0).SetCellValue("Full Name");
                row.CreateCell(1).SetCellValue("Nick Name");
                row.CreateCell(2).SetCellValue("Phone");
                row.CreateCell(3).SetCellValue("Address");
                row.CreateCell(4).SetCellValue("Website");
                row.CreateCell(5).SetCellValue("Birth Date");

                var i = 1;
                foreach (People person in data.MyContacts)
                {
                    string phones = "";
                    foreach (var phone in person.Phones)
                    {
                        phones += phone.Number.ToString() + " ";
                    }

                    row = excelSheet.CreateRow(i);
                    row.CreateCell(0).SetCellValue(person.FullName);
                    row.CreateCell(1).SetCellValue(person.NickName);
                    row.CreateCell(2).SetCellValue(phones);
                    row.CreateCell(3).SetCellValue(person.Address);
                    row.CreateCell(4).SetCellValue(person.WebSite);
                    row.CreateCell(5).SetCellValue(person.BirthDate.Date.ToString("yyyy/MM/dd"));

                    i++;
                }

                workbook.Write(fs);


                using (var stream = new FileStream(Path.Combine(sWebRootFolder, sFileName), FileMode.Open))
                {
                    await stream.CopyToAsync(memory);
                }
                memory.Position = 0;
            }

            return(memory);

            throw new NotImplementedException();
        }
        public async Task <IActionResult> Index()
        {
            var currentUser = await _userManager.GetUserAsync(User);

            if (currentUser == null)
            {
                return(Challenge());
            }
            var data = await _contactServices.GetAllContactsAsync(currentUser.Id);

            var model = new AllContactViewModel()
            {
                MyContacts = data
            };

            return(View(model));
        }
        public async Task <IActionResult> DownloadCSV()
        {
            var currentUser = await _userManager.GetUserAsync(User);

            if (currentUser == null)
            {
                return(Challenge());
            }
            var data = await _contactServices.GetAllContactsAsync(currentUser.Id);

            var model = new AllContactViewModel()
            {
                MyContacts = data
            };

            var memory = new MemoryStream();

            memory = await _contactServices.BuildCSV(model);

            return(File(memory, "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet", @"ContactList.xlsx"));
        }