ibms-dome/FrontendWebApi/ApiControllers/TenantBillController.cs

using FrontendWebApi.Models;
using Microsoft.AspNetCore.Mvc;
using Repository.BackendRepository.Interface;
using Repository.FrontendRepository.Interface;
using System.Collections.Generic;
using System.Threading.Tasks;
using System;
using System.IO;
using static FrontendWebApi.Models.Bill;
using Microsoft.Extensions.Logging;
using System.Text.Json;
using Newtonsoft.Json.Linq;
using System.Security.Cryptography;
using WkHtmlToPdfDotNet.Contracts;
using WkHtmlToPdfDotNet;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.SignalR;
using Microsoft.Extensions.Configuration;
using Serilog.Core;
using static FrontendWebApi.ApiControllers.TenantBillController;
using System.Reflection;




// For more information on enabling Web API for empty projects, visit https://go.microsoft.com/fwlink/?LinkID=397860

namespace FrontendWebApi.ApiControllers
{
    //[Route("api/[controller]")]
    //[ApiController]
    public class TenantBillController
    //public class TenantBillController : MyBaseApiController<TenantBillController>
    {
        private readonly IBackendRepository backendRepository;
        private readonly ILogger<TenantBillController> _logger;
        private readonly IConfiguration Configuration;
        private IWebHostEnvironment _webHostEnvironment;
        private readonly IConverter _converter;


        const string TenantListtable = "archive_electric_meter_tenant_list";
        const string TenantBilltable = "archive_electric_meter_tenant_bill";


        public TenantBillController(IBackendRepository backendRepository, IFrontendRepository frontendRepository, ILogger<TenantBillController> logger,
                       IConfiguration configuration,
                       IWebHostEnvironment webHostEnvironment,
                       IConverter converter)
        {
            this.backendRepository = backendRepository;
            this._logger = logger;
            Configuration = configuration;
            _webHostEnvironment = webHostEnvironment;
            _converter = converter;

        }

        [HttpPost]
        public async Task<ApiResult<List<TenantList>>> GetTenantList()
        {
            ApiResult<List<TenantList>> apiResult = new ApiResult<List<TenantList>>();
            List<TenantList> tenantList = new List<TenantList>();
            try
            {
                var sqlString = $"SELECT tenant_guid,list_id,tenant_name,bill_perKWH,bill_perRCV " +
                    $"from {TenantListtable} order by created_at";

                tenantList = await backendRepository.GetAllAsync<TenantList>(sqlString);


                apiResult.Code = "0000";
                apiResult.Data = tenantList;
            }
            catch (Exception exception)
            {
                apiResult.Code = "9999";
                apiResult.Msg = "系統內部錯誤，請聯絡管理者。" + exception.Message;
                //Logger.LogError("【" + controllerName + "/" + actionName + "】" + exception.Message);
            }

            return apiResult;
        }

        [HttpPost]
        public async Task<ApiResult<string>> AddOneTenantList([FromBody] TenantList tl)
        {
            ApiResult<string> apiResult = new ApiResult<string>();

            try
            {
                var tenant_guid = Guid.NewGuid();
                var tenant_name = tl.tenant_name;
                var bill_perKWH = tl.bill_perKWH;
                var bill_perRCV = tl.bill_perRCV;
                var created_at = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss");

                var sqlString = $"INSERT INTO {TenantListtable} (tenant_guid,list_id,tenant_name, bill_perKWH, bill_perRCV, created_by,created_at) " +
                             $"VALUES ('{tenant_guid}','{tl.list_id}','{tenant_name}', {bill_perKWH}, {bill_perRCV},'{tl.created_by}', '{created_at}')";


                await backendRepository.ExecuteSql(sqlString);
                apiResult.Code = "0000";
                apiResult.Data = "新增成功";
            }
            catch (Exception exception)
            {
                apiResult.Code = "9999";
                apiResult.Msg = "系統內部錯誤，請聯絡管理者。" + exception.Message;
                if (exception.Message.Contains($" for key 'PRIMARY'"))
                {
                    apiResult.Msg = "已有相同使用者。";
                }
                //Logger.LogError("【" + controllerName + "/" + actionName + "】" + exception.Message);
            }

            return apiResult;
        }

        [HttpPost]
        public async Task<ApiResult<string>> UpdateOneTenantList([FromBody] TenantList tl)
        {
            ApiResult<string> apiResult = new ApiResult<string>();

            try
            {
                var updated_at = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss");
                var sqlString = $"UPDATE {TenantListtable} SET " +
                             $"`tenant_name` = '{tl.tenant_name}', " +
                             $"`bill_perKWH` = {tl.bill_perKWH}, " +
                             $"`bill_perRCV` = {tl.bill_perRCV}, " +
                             $"`updated_at` = '{updated_at}' " +
                             $"WHERE `tenant_guid` = '{tl.tenant_guid}'";


                await backendRepository.ExecuteSql(sqlString);
                apiResult.Code = "0000";
                apiResult.Data = "修改成功";
            }
            catch (Exception exception)
            {
                apiResult.Code = "9999";
                apiResult.Msg = "系統內部錯誤，請聯絡管理者。" + exception.Message;
                if (exception.Message.Contains($"a foreign key constraint"))
                {
                    apiResult.Msg = "水電報表仍有該用戶，無法修改名稱。";
                }
                //Logger.LogError("【" + controllerName + "/" + actionName + "】" + exception.Message);
            }

            return apiResult;
        }

        [HttpPost]
        public async Task<ApiResult<string>> DelOneTenantList([FromBody] TenantList tl)
        {
            ApiResult<string> apiResult = new ApiResult<string>();

            try
            {
                var sqlString = $"delete from {TenantListtable} WHERE tenant_guid = '{tl.tenant_guid}' ";

                await backendRepository.ExecuteSql(sqlString);
                apiResult.Code = "0000";
                apiResult.Data = "刪除成功";
            }
            catch (Exception exception)
            {
                apiResult.Code = "9999";
                apiResult.Msg = "系統內部錯誤，請聯絡管理者。" + exception.Message;
                if (exception.Message.Contains($"a foreign key constraint"))
                {
                    apiResult.Msg = "水電報表仍有該用戶，無法刪除。";
                }
                //Logger.LogError("【" + controllerName + "/" + actionName + "】" + exception.Message);
            }

            return apiResult;
        }


        [HttpPost]
        public async Task<ApiResult<List<TenantBill>>> GetTenantBill([FromBody] TenantBill tb)
        {
            ApiResult<List<TenantBill>> apiResult = new ApiResult<List<TenantBill>>();
            List<TenantBill> tenantBill = new List<TenantBill>();
            try
            {
                string tableType = tb.tableType;
                string building_tag = tb.building_tag;
                string ElecOrWater = tableType == "elec" ? "E4" : "W1";
                string sqlString = null;
                if (building_tag == "ALL")
                {
                    sqlString =
                  $"SELECT bill_id,a.device_number,a.full_name,start_timestamp,end_timestamp,result,bill,tenant_name,tenant_guid " +
                  $"from {TenantBilltable} a join device b on a.device_number =b.device_number" +
                  $"where a.device_name_tag = '{ElecOrWater}' ";
                }
                else if (building_tag == "D2")
                {
                    sqlString =
                   $"SELECT bill_id,a.device_number,a.full_name,start_timestamp,end_timestamp,result,bill,tenant_name,tenant_guid " +
                   $"from {TenantBilltable} a join device b on a.device_number =b.device_number " +
                   $"where device_building_tag = 'D1' and a.device_name_tag = '{ElecOrWater}' || device_building_tag = 'D2' and a.device_name_tag = '{ElecOrWater}'";
                }
                else
                {
                    sqlString =
                   $"SELECT bill_id,a.device_number,a.full_name,start_timestamp,end_timestamp,result,bill,tenant_name,tenant_guid " +
                   $"from {TenantBilltable} a join device b on a.device_number =b.device_number " +
                   $"where device_building_tag = '{building_tag}' and a.device_name_tag = '{ElecOrWater}' ";
                }

                
                tenantBill = await backendRepository.GetAllAsync<TenantBill>(sqlString);


                apiResult.Code = "0000";
                apiResult.Data = tenantBill;
            }
            catch (Exception exception)
            {
                apiResult.Code = "9999";
                apiResult.Msg = "系統內部錯誤，請聯絡管理者。" + exception.Message;
                //Logger.LogError("【" + controllerName + "/" + actionName + "】" + exception.Message);
            }

            return apiResult;
        }

        [HttpPost]
        public async Task<ApiResult<string>> UpdateTenantBill([FromBody] TenantBill tb)
        {
            ApiResult<string> apiResult = new ApiResult<string>();

            try
            {
                string bill_per = tb.tableType == "elec" ? "bill_perKWH" : "bill_perRCV";
                var updated_at = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss");
                var start_timestamp = tb.start_timestamp;
                var end_timestamp = tb.end_timestamp;
                string sqlString = null;
                string startMonth = "";
                string endMonth = "";
                if (start_timestamp != "" && end_timestamp != "")
                {
                    startMonth = tb.start_timestamp.Split("-")[0] + tb.start_timestamp.Split("-")[1];
                    endMonth = tb.end_timestamp.Split("-")[0] + tb.end_timestamp.Split("-")[1];
                }
                else
                {
                    apiResult.Code = "9999";
                    apiResult.Msg = "請選擇日期。";
                    return apiResult;
                }

                if (startMonth == endMonth)
                {
                    sqlString =
                        $"UPDATE  {TenantBilltable}  " +
                        $"set tenant_name = (SELECT tenant_name from archive_electric_meter_tenant_list WHERE tenant_guid = '{tb.tenant_guid}'), start_timestamp = '{start_timestamp}',end_timestamp = '{end_timestamp}' , " +
                        $"result= " +
                        $"(select sum(sub_result) " +
                        $"from archive_electric_water_meter_day_{startMonth} " +
                        $"WHERE  device_number = '{tb.device_number}' and start_timestamp BETWEEN  '{start_timestamp}' and '{end_timestamp}' " +
                        $"GROUP BY device_number) ,  " +
                        $"bill = " +
                        $"ROUND(result *(SELECT {bill_per} from {TenantListtable} WHERE tenant_guid = '{tb.tenant_guid}') ), " +
                        $"updated_at = '{updated_at}', " +
                        $"tenant_guid = '{tb.tenant_guid}' " +
                        $"WHERE device_number = '{tb.device_number}'";
                }
                else
                {
                    sqlString =
                        $"UPDATE  {TenantBilltable}  " +
                        $"set tenant_name = (SELECT tenant_name from archive_electric_meter_tenant_list WHERE tenant_guid = '{tb.tenant_guid}'), start_timestamp = '{start_timestamp}',end_timestamp = '{end_timestamp}' , " +
                        $"result= " +
                        $"(SELECT sum(sub_result) " +
                        $"FROM ( " +
                        $"    SELECT start_timestamp,device_number, sub_result " +
                        $"    FROM archive_electric_water_meter_day_{startMonth} " +
                        $"    WHERE device_number = '{tb.device_number}' " +
                        $"    UNION ALL " +
                        $"    SELECT start_timestamp,device_number, sub_result " +
                        $"    FROM archive_electric_water_meter_day_{endMonth} " +
                        $"    WHERE device_number = '{tb.device_number}' " +
                        $")  combined_result " +
                        $"WHERE start_timestamp BETWEEN  '{start_timestamp}' and '{end_timestamp}' " +
                        $"GROUP BY device_number) ," +
                        $"bill = " +
                        $"ROUND(result *(SELECT {bill_per} from {TenantListtable} WHERE tenant_guid = '{tb.tenant_guid}') ), " +
                        $"updated_at = '{updated_at}', " +
                        $"tenant_guid = '{tb.tenant_guid}' " +
                        $"WHERE device_number = '{tb.device_number}'";

                }


                await backendRepository.ExecuteSql(sqlString);


                apiResult.Code = "0000";
                apiResult.Data = "修改成功";
            }
            catch (Exception exception)
            {
                apiResult.Code = "9999";
                apiResult.Msg = "系統內部錯誤，請聯絡管理者。" + exception.Message;
                //Logger.LogError("【" + controllerName + "/" + actionName + "】" + exception.Message);
            }

            return apiResult;
        }


        [HttpPost]
        public async Task<IActionResult> OutputTenantBill()
        {
            List<OutputBill> outputBill = new List<OutputBill>();

            try
            {
                string sqlString =
                    $@"SELECT 
                            a.tenant_name,a.start_timestamp,a.end_timestamp,bill_perKWH,bill_perRCV,
                            SUM(CASE WHEN device_name_tag = 'E4' THEN result ELSE 0 END) AS elec_result,
                            SUM(CASE WHEN device_name_tag = 'W1' THEN result ELSE 0 END) AS water_result,
                            SUM(CASE WHEN device_name_tag = 'E4' THEN bill ELSE 0 END) AS elec_bill,
                            SUM(CASE WHEN device_name_tag = 'W1' THEN bill ELSE 0 END) AS water_bill,
                            SUM(bill) AS total_bill
                        FROM archive_electric_meter_tenant_bill a
                        JOIN archive_electric_meter_tenant_list b on a.tenant_guid = b.tenant_guid 
                        GROUP BY a.tenant_name
						HAVING SUM(bill) != 0";

                outputBill = await backendRepository.GetAllAsync<OutputBill>(sqlString);
                string filePath = CreateOutputForm(outputBill);

                byte[] file = System.IO.File.ReadAllBytes(filePath);


                return new FileContentResult(file, "application/pdf")
                {
                    FileDownloadName = "水電報表.pdf"
                };
            }
            catch (Exception exception)
            {   
                _logger.LogError(exception.ToString());
            }
            return new FileContentResult(new byte[0], "application/pdf")
            {
                FileDownloadName = "Empty.pdf"
            };
        }

        public string CreateOutputForm(List<OutputBill> outputBill)
        {
            try
            {
                string htmlStr = this.getOutputFormHtmlStr(outputBill);

                string filepath = Configuration.GetValue<string>("FilePath:OutputForm");
                if (!Directory.Exists(filepath))
                {
                    Directory.CreateDirectory(filepath);
                    _logger.LogInformation("file CreateOutputForm path: " + filepath);
                }
                var nowString = DateTime.UtcNow.AddHours(8).ToString("yyyyMMdd_HHmmss");

                //Random r1 = new System.Random();
                //string r2 = r1.Next(0, 999).ToString("0000");
                //string r2 = RandomNumberGenerator.GetInt32(0, 999).ToString("0000");

                filepath += $"{nowString}_水電報表.pdf";

                var doc = new HtmlToPdfDocument()
                {
                    GlobalSettings = {
                    ColorMode = ColorMode.Color,
                    //Orientation = Orientation.Landscape,
                    PaperSize = PaperKind.A4,
                    Out = filepath,
                    Margins = new MarginSettings
                    {
                        Unit = Unit.Millimeters,
                        Top = 10,
                        Bottom = 10,
                        Right = 0,
                        Left = 0
                    },
                },
                    Objects = {
                    new ObjectSettings() {
                        HtmlContent=htmlStr,
                        WebSettings = { DefaultEncoding = "utf-8"},
                        FooterSettings = new FooterSettings() {
                            Center = "第 [page] 頁 共 [topage] 頁",
                            FontName = "DFKai-sb",
                        },
                        LoadSettings = new LoadSettings() {
                            JSDelay = 1000,
                            StopSlowScript = false,
                            BlockLocalFileAccess = false,
                            DebugJavascript = true
                        }
                        //HeaderSettings = { FontSize = 9, Right = "Page [page] of [toPage]", Line = true, Spacing = 2.812 }
                    }
                }
                };

                // _converter.Warning += ConvertWarning;

                _converter.Convert(doc);
                //IntPtr converter = _converter.CreateConverter(doc);
                //_converter.Tools.DestroyConverter();
                return filepath;
            }
            catch (Exception ex)
            {
                throw new Exception(ex.ToString());
            }
        }

        private string getOutputFormHtmlStr(List<OutputBill> outputBill)
        {

            try
            {
                string path = Configuration.GetValue<string>("FilePath:OutputFormTemplate");
                //string path = _webHostEnvironment.ContentRootPath + "\\StaticFiles\\import.html";
                if (!File.Exists(path))
                {
                    return "";
                }
                //string cssroot = _webHostEnvironment.ContentRootPath + "\\StaticFiles\\css\\";
                string htmlStr = System.IO.File.ReadAllText(path);
                //string vendorscss = System.IO.File.ReadAllText(cssroot + "vendors.bundle.css");
                //string appBundelCss = System.IO.File.ReadAllText(cssroot + "app.bundle.css");
                //string skinmasterCss = System.IO.File.ReadAllText(cssroot + "skins\\skin-master.css");
                string bill = "";
                foreach (var item in outputBill)
                {
                    bill += $"   <div class=\"container a4-page\"> " +
                        $"        <div class=\"header\"> " +
                        $"            <img src=\"/img/dome.png\" alt=\"Taipei Dome Logo\" width=\"200\"> " +
                        $"            <h2>水電費用明細</h2> " +
                        $"        </div> " +
                        $"        <div class=\"statistics\"> " +
                        $"            <h3>費用資訊</h3> " +
                        $"            <p><strong>用戶: </strong>{item.tenant_name}</p> " +
                        $"            <p><strong>起訖時間: </strong>{item.start_timestamp} ~ {item.end_timestamp}</p> " +
                        $"            <table class=\"br\"> " +
                        $"                <tr> " +
                        $"                    <td><strong>用電量: </strong>{item.elec_result}度</td> " +
                        $"                    <td><strong>單價: </strong>{item.bill_perKWH}元/度</td> " +
                        $"                    <td><strong>電費總計: </strong>{item.elec_bill}元</td> " +
                        $"                </tr> " +
                        $"                <tr> " +
                        $"                    <td><strong>用水量: </strong>{item.water_result}度</td> " +
                        $"                    <td><strong>單價: </strong>{item.bill_perRCV}元/度</td> " +
                        $"                    <td><strong>水費總計: </strong>{item.water_bill}元</td> " +
                        $"                </tr> " +
                        $"            </table> " +
                        $"        </div> " +
                        $"        <div class=\"total\"> " +
                        $"            <div class=\"total-area\"> " +
                        $"                <p>總計金額</p> " +
                        $"                <div class=\"total-box\"> " +
                        $"                    <span class=\"total-money\">{item.total_bill}</span>元 " +
                        $"                </div> " +
                        $"            </div> " +
                        $"        </div> " +
                        $"    </div>";
         
                }


                htmlStr = htmlStr.Replace("{{bill}}", bill);
      

                return htmlStr;
            }
            catch (Exception ex)
            {
                throw new Exception(ex.ToString());
            }

        }
    }
}