VirtualTask/Controllers/TimbratureController.cs

using ClosedXML.Excel;
using Microsoft.AspNetCore.Mvc;
using Newtonsoft.Json;
using VirtualTask.Models;
using X.PagedList;

namespace VirtualTask.Controllers
{
    public class TimbratureController : Controller
    {
        string apiUrl = string.Empty;
        string urlBase = string.Empty;
        string token = string.Empty;
        string tenant = string.Empty;
        string errMes = string.Empty;
        string admin = string.Empty;

        HttpClient client;

        private readonly IConfiguration _configuration;

        public TimbratureController(IConfiguration configuration)
        {
            client = new HttpClient();
            _configuration = configuration;
            var key = _configuration["ApplicationInsights:rootUrlApi"];
            apiUrl = key;
        }

        #region INDEX

        public IActionResult Index(DateTime dataTimb, string commessa, string tecnico, int? page = 1)
        {
            SessionHelper helper = new SessionHelper(this);
            token = helper.GetStringValue("tok");

            if (string.IsNullOrEmpty(token))
            {
                return RedirectToAction("Login2", "Login");
            }

            apiUrl = helper.GetStringValue("apiUrl");
            admin = helper.GetStringValue("admin");
            ViewBag.Admin = admin;
            urlBase = apiUrl + "timbratureList";
            urlBase = urlBase + "?token=" + token;
            Uri baseAddress = new Uri(urlBase);
            client = new HttpClient();
            client.BaseAddress = baseAddress;

            List<Timbratura> modelList = new List<Timbratura>();

            HttpResponseMessage response = client.GetAsync(baseAddress).Result;

            if (response.IsSuccessStatusCode)
            {
                string data = response.Content.ReadAsStringAsync().Result;
                modelList = JsonConvert.DeserializeObject<List<Timbratura>>(data);

                if (dataTimb.Date != DateTime.MinValue)
                {
                    modelList = modelList.Where(x => x.data_timbratura.GetValueOrDefault().Date == dataTimb).ToList();
                }

                if (!string.IsNullOrEmpty(commessa))
                {
                    modelList = modelList.Where(s => s.commessa.ToLower().Contains(commessa.ToLower())).ToList();
                }

                if (!string.IsNullOrEmpty(tecnico))
                {
                    modelList = modelList.Where(s => s.tecnico.ToLower().Contains(tecnico.ToLower())).ToList();

                }
                //if (id != 0)
                //{
                //    modelList = modelList.Where(s => s.id == id).ToList();
                //    ViewData["CurrentFilter"] = id;
                //}
                //else
                //{
                //    ViewData["CurrentFilter"] = null;
                //}
                if (page != null && page < 1)
                {
                    page = 1;
                }

                var pageSize = 10;

                var shortLinks = modelList
                    .OrderByDescending(s => s.id)
                    .ToPagedList(page ?? 1, pageSize);

                return View(shortLinks);
            }
            else
            {
                errMes = response.Content.ReadAsStringAsync().Result;
                helper.SetStringValue("errMsg", errMes);
                return RedirectToAction("Error");
            }
        }

        #endregion INDEX

        #region DETAILS

        public IActionResult Details(int id)
        {
            SessionHelper helper = new SessionHelper(this);


            token = helper.GetStringValue("tok");

            apiUrl = helper.GetStringValue("apiUrl");
            admin = helper.GetStringValue("admin");
            ViewBag.Admin = admin;
            urlBase = apiUrl + "timbratureList";
            urlBase = urlBase + "?token=" + token;
            Uri baseAddress = new Uri(urlBase);
            client = new HttpClient();
            client.BaseAddress = baseAddress;

            Timbratura rapp = new Timbratura();

            List<Timbratura> modelList = new List<Timbratura>();

            HttpResponseMessage response = client.GetAsync(baseAddress).Result;

            if (response.IsSuccessStatusCode)
            {
                string data = response.Content.ReadAsStringAsync().Result;
                modelList = JsonConvert.DeserializeObject<List<Timbratura>>(data);
                rapp = modelList.Where(x => x.id.Equals(id)).First();
            }
            else
            {
                errMes = response.Content.ReadAsStringAsync().Result;
                helper.SetStringValue("errMsg", errMes);
                return RedirectToAction("Error");
            }

            return View(rapp);
        }

        #endregion DETAILS

        #region metodi interni

        public IActionResult ExportExcel(DateTime dataTimb, string commessa, string tecnico)
        {
            SessionHelper helper = new SessionHelper(this);
            token = helper.GetStringValue("tok");
            if (string.IsNullOrEmpty(token))
            {
                return RedirectToAction("Login2", "Login");
            }

            apiUrl = helper.GetStringValue("apiUrl");
            admin = helper.GetStringValue("admin");
            ViewBag.Admin = admin;
            urlBase = apiUrl + "timbratureList";
            urlBase = urlBase + "?token=" + token;
            Uri baseAddress = new Uri(urlBase);
            client = new HttpClient();
            client.BaseAddress = baseAddress;

            List<Timbratura> modelList = new List<Timbratura>();

            HttpResponseMessage response = client.GetAsync(baseAddress).Result;

            if (response.IsSuccessStatusCode)
            {
                string data = response.Content.ReadAsStringAsync().Result;

                modelList = JsonConvert.DeserializeObject<List<Timbratura>>(data);

                if (dataTimb.Date != DateTime.MinValue)
                {
                    modelList = modelList.Where(x => x.data_timbratura.GetValueOrDefault().Date == dataTimb).ToList();
                }

                if (!string.IsNullOrEmpty(commessa))
                {
                    modelList = modelList.Where(s => s.commessa.Contains(commessa)).ToList();
                }

                if (!string.IsNullOrEmpty(tecnico))
                {
                    modelList = modelList.Where(s => s.tecnico.Contains(tecnico)).ToList();

                }

                var workbook = new XLWorkbook();
                workbook.AddWorksheet("sheetName");
                var ws = workbook.Worksheet("sheetName");

                int col = 1;

                //Scrivo intestazioni colonne
                foreach (var item in modelList[0].GetType().GetProperties())
                {
                    ws.Cell(1, col).Style = ws.Cell(1, col).Style.Font.SetBold();
                    ws.Cell(1, col).Value = item.Name.ToString().Replace("_", " ").ToUpper();

                    col++;
                }

                var row = 0;

                foreach (var item in modelList)
                {
                    var colonna = 1;
                    //righe per ogni item nel modelList
                    foreach (var prop in item.GetType().GetProperties())
                    {
                        //controllo se item null assegno stringa vuota
                        //perchè se null da errore quando scrive l'excel
                        if (prop.GetValue(item) != null)
                        {
                            ws.Cell(row + 2, colonna).Value = prop.GetValue(item).ToString();
                        }
                        else
                        {
                            ws.Cell(row + 2, colonna).Value = string.Empty;
                        }
                        colonna++;
                    }

                    row++;
                }

                //Salvo il file Excel
                var anno = DateTime.Now.Year.ToString();
                var mese = DateTime.Now.Month.ToString();
                var giorno = DateTime.Now.Day.ToString();
                var ore = DateTime.Now.Hour.ToString();
                var minuti = DateTime.Now.Minute.ToString();
                var secondi = DateTime.Now.Second.ToString();

                var dateFile = anno + mese + giorno + ore + minuti + secondi;

                //workbook.SaveAs($"C:\\Users\\utente\\Desktop\\ExcelVT\\buoni_{dateFile}.xlsx");
                string contentType = "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet";
                //string fileName = "authors.xlsx";
                string fileName = $"Timbrature_{dateFile}.xlsx";
                using (var stream = new MemoryStream())
                {
                    workbook.SaveAs(stream);
                    var content = stream.ToArray();
                    return File(content, contentType, fileName);
                }
            }
            else
            {
                errMes = response.Content.ReadAsStringAsync().Result;
                helper.SetStringValue("errMsg", errMes);
                return RedirectToAction("Error");
            }
        }

        #endregion metodi interni
    }
}