laatzen/Common/Service/MeterProcessState/Controllers/FileUpToDateController.cs

using Logic.ProductionToProductMapper.Cordonel;
using Newtonsoft.Json;
using Service.Core;
using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Net;
using System.Net.Http;
using System.Text;
using System.Threading.Tasks;
using System.Web;
using System.Web.Http;
using Xylem.Common.Logic.ProductionOrderCore.File;
using Xylem.Common.Logic.ProductionOrderCore.FW;

namespace Xylem.Common.Service.MeterProcessState.Controllers
{

    [RoutePrefix("api/FileUpToDate")]
    public class FileUpToDateController : ApiController
    {
        public static class GlobalConfig
        {
            public static Lazy<string> connectionString = new Lazy<string>(()
            =>
            System.Configuration.ConfigurationManager.ConnectionStrings["default"].ConnectionString
            );
        }

        private async Task<HttpResponseMessage> InsertFileDb(string FileName, string FileContent = null, bool isForDevloper = true)
        {
            try
            {
                return await Task.Run(() =>
                {
                    return Request.CreateResponse(HttpStatusCode.OK, DbAccessWriteFile(FileName, FileContent, isForDevloper));

                });
            }
            catch (Exception ex)
            {
                return Request.CreateResponse(HttpStatusCode.InternalServerError, ex);
            }
        }

        private string DbAccessWriteFile(string FileName, string FileContent, bool isForDevloper)
        {
            if (string.IsNullOrEmpty(FileName))
            {
                throw new Exception("at FileName requierd");
            }

            using (var dataacces = new SqlDataAccess(GlobalConfig.connectionString.Value))
            {
                var devstring = isForDevloper ? "1" : "0";

                var sb = new StringBuilder();

                sb.AppendLine($" declare @fileName as nvarchar(50) ");
                sb.AppendLine($" set @fileName = '{FileName}' ");

                sb.AppendLine($" update [Auftrag].[dbo].[TextFileStore] set FileIsLatest = 0 ");
                sb.AppendLine($"          where FileIsLatest = 1 and [FileName] =  @fileName and FileIsForDeveloperOnly = {devstring} ");


                sb.AppendLine($"     INSERT INTO [dbo].[TextFileStore]");
                sb.AppendLine($"                ([FileName]");
                sb.AppendLine($"                ,[FileContent]");
                sb.AppendLine($"                ,[FileIsLatest]");
                sb.AppendLine($"                ,[FileDate]");
                sb.AppendLine($"                ,[FileIsForDeveloperOnly])");
                sb.AppendLine($"          VALUES");
                sb.AppendLine($"                (@fileName");
                if (FileContent != null)
                {
                    sb.AppendLine($"                ,'{FileContent.Replace("\'", "\'\'")}'");
                }
                else
                {
                    throw new ApplicationException("No FileContent to update");
                }


                sb.AppendLine($"                ,1");
                sb.AppendLine($"                ,CURRENT_TIMESTAMP");
                sb.AppendLine($"                ,{devstring})");

                sb.AppendLine($" select SCOPE_IDENTITY() ");

                var dbResult = dataacces.ExecuteQuery(sb.ToString());
                if (dbResult.Rows.Count != 1)
                {
                    throw new ApplicationException("Can not insert a TextFile");
                }
                return dbResult.Rows[0][0].ToString();
            }
        }

        /// <summary>
        /// Set TextFile content PostFileJsonContent
        /// </summary>
        /// <returns></returns>
        [Route("PostFileJsonContent"), HttpPost]
        public async Task<HttpResponseMessage> PostFileJsonContent([FromBody] BaseFile file)
        {
            //why file is empty on large files??
            string jsonData = JsonConvert.SerializeObject(file);
            return await InsertFileDb(file.FileName, file.FileContent, file.ForDeveloper ?? true);
        }

        /// <summary>
        /// Set TextFile content PostFileJsonContent
        /// </summary>
        /// <returns></returns>
        [Route("PostFwUpdateReportFile"), HttpPost]
        public async Task<HttpResponseMessage> PostFwUpdateReportFile(int PcbId, int UserId, [FromBody] BaseFile file)
        {
            //why file is empty on large files??
            string jsonData = JsonConvert.SerializeObject(file);
            var a = await InsertFileDb(file.FileName, file.FileContent, file.ForDeveloper ?? true);

            var fileID = 0;

            return await Task.Run(() =>
            {
                try
                {
                    if (int.TryParse(DbAccessWriteFile(file.FileName, file.FileContent, false), out fileID))
                    {
                        using (var dataacces = new SqlDataAccess(GlobalConfig.connectionString.Value))
                        {
                            var sb = new StringBuilder();
                            sb.AppendLine($" insert into [Cordonel_FwUpdateReport] ");
                            sb.AppendLine($" select ");

                            sb.AppendLine($" {PcbId} ");//[CordonelFwUpdateReport_PcbId] [int] NOT NULL,
                            sb.AppendLine($" , {UserId} ");//[CordonelFwUpdateReport_User] [int] NOT NULL,
                            sb.AppendLine($" , {fileID} ");//[CordonelFwUpdateReport_FileId] [int] NOT NULL
                            sb.AppendLine($" select @@IDENTITY ");
                            var retDT = dataacces.ExecuteQuery(sb.ToString());
                            return Request.CreateResponse(HttpStatusCode.OK, retDT.Rows[0][0]);
                        }
                    }
                }
                catch (Exception ex)
                {
                    throw new ApplicationException($"file was not uploaded {ex.Message}");
                }

                throw new ApplicationException("file was not uploaded");
            });

        }





        /// <summary>
        /// Set LUT JSON  content 
        /// </summary>
        /// <returns></returns>
        [Route("PostLutFile"), HttpPost]
        public async Task<HttpResponseMessage> PostLutFile(int DataLength, string version, int crc, int Metersize, string Region)
        {
            var httpFiles = HttpContext.Current.Request.Files;
            var listOfFiles = new List<Tuple<string, byte[]>>();
            foreach (var a in httpFiles)
            {
                try
                {
                    if (HttpContext.Current.Request.Files[a.ToString()] is HttpPostedFile f)
                    {
                        
                        listOfFiles.Add(new Tuple<string, byte[]>(f.FileName, GetFileBytes(f)));
                    }
                }
                catch (Exception)
                {


                }


            }



            var fileID = 0;

            return await Task.Run(() =>
            {
                try
                {
                    int? retId = null;
                    int FileCounter = StoreFiles(out retId, true, listOfFiles.First().Item1, FileCategoryID: 7, listOfFiles: listOfFiles);

                    if (FileCounter == listOfFiles.Count && retId.HasValue)
                    {
                        fileID = retId.Value;
                    }

                    if (fileID != 0)
                    {
                        using (var dataacces = new SqlDataAccess(GlobalConfig.connectionString.Value))
                        {
                            var sb = new StringBuilder();
                            sb.AppendLine($" insert into [Cordonel_Lut] ");
                            sb.AppendLine($" select ");
                            sb.AppendLine($" {fileID} ");
                            sb.AppendLine($" , {DataLength} ");
                            sb.AppendLine($" , '{version}' ");
                            sb.AppendLine($" , '{crc}' ");
                            sb.AppendLine($" , '{Metersize}' ");
                            sb.AppendLine($" , '{Region}' ");
                            sb.AppendLine($" , 0 "); // [CurrentVerionForProd]

                            sb.AppendLine($" select @@IDENTITY ");
                            var retDT = dataacces.ExecuteQuery(sb.ToString());
                            return Request.CreateResponse(HttpStatusCode.OK, retDT.Rows[0][0]);
                        }
                    }
                    else
                    {
                        throw new ApplicationException($"file was not uploaded. Without error");
                    }
                }
                catch (Exception ex)
                {
                    throw new ApplicationException($"file was not uploaded {ex.Message}");
                }

                throw new ApplicationException("file was not uploaded");
            });

        }

        public virtual byte[] GetFileBytes(HttpPostedFile uploadedFile)
        {
            var bytes = new byte[uploadedFile.ContentLength];
            uploadedFile.InputStream.Read(bytes, 0, uploadedFile.ContentLength);
            return bytes;
        }


        /// <summary>
        /// Set LUT JSON  content 
        /// </summary>
        /// <returns></returns>
        [Route("GetLutFiles"), HttpGet]
        public async Task<HttpResponseMessage> GetLutFiles(int? Metersize = null, string Region = null, bool? ForProd = null)
        {


            return await Task.Run(() =>
            {
                try
                {

                    using (var dataacces = new SqlDataAccess(GlobalConfig.connectionString.Value))
                    {
                        var sb = new StringBuilder();

                        sb.AppendLine($"   SELECT [Id]                                                                                   ");
                        sb.AppendLine($"    ,lut.[FileID]                                                                                ");
                        sb.AppendLine($"    ,[DataLength]                                                                                ");
                        sb.AppendLine($"    ,[Version]                                                                                   ");
                        sb.AppendLine($"    ,[FileCrc]                                                                                   ");
                        sb.AppendLine($"    ,[MeterSize]                                                                                 ");
                        sb.AppendLine($"    ,[Region]                                                                                    ");
                        sb.AppendLine($"    ,[CurrentVerionForProd]                                                                      ");
                        sb.AppendLine($"    ,files.[FileName]                                                                            ");
                        sb.AppendLine($"     ,files.FileContent                                                                          ");
                        sb.AppendLine($" FROM [Auftrag].[dbo].[Cordonel_Lut] lut                                                         ");
                        sb.AppendLine($" inner join  [Auftrag].[dbo].[FileClusterStore] fileMaster  on fileMaster.FileId = lut.[FileID]  ");
                        sb.AppendLine($"   inner join [Auftrag].[dbo].[FileMapToCluster] map on fileMaster.FileIsDeleted = 0 and  fileMaster.FileId = map.[FileMapToCluster_FileClusterId]  ");
                        sb.AppendLine($"   inner join [Auftrag].[dbo].[File] files on files.FileId = map.[FileMapToCluster_FileId]   ");


                        var retDT = dataacces.ExecuteQuery(sb.ToString());
                        return Request.CreateResponse(HttpStatusCode.OK, retDT);
                    }

                }
                catch (Exception ex)
                {
                    throw new ApplicationException($"file was not uploaded {ex.Message}");
                }

                throw new ApplicationException("file was not uploaded");
            });

        }

        /// <summary>
        /// Set TextFile content PostFileJsonContent
        /// </summary>
        /// <returns></returns>
        [Route("PostFWFileBinaryContent"), HttpPost]
        public async Task<HttpResponseMessage> PostFWFileBinaryContent(bool IsDevloper, string FWname, MeterSize? meterSize = null, CordonelFWTypeEnum? fWTypeEnum = null, int FileCategoryID = 1, string FileDateString = "CURRENT_TIMESTAMP")
        {
            var httpFiles = HttpContext.Current.Request.Files;
            var listOfFiles = new List<Tuple<string, byte[]>>();
            foreach (var a in httpFiles)
            {
                try
                {
                    if (HttpContext.Current.Request.Files[a.ToString()] is HttpPostedFile f)
                    {
                        listOfFiles.Add(new Tuple<string, byte[]>(a.ToString(), GetFileBytes(f)));
                    }
                }
                catch (Exception)
                {


                }


            }

            return await Task.Run(() =>
            {

                int? retId = null;
                int FileCounter = StoreFiles(out retId, IsDevloper, FWname, meterSize, fWTypeEnum, FileCategoryID, FileDateString, listOfFiles);

                if (FileCounter == listOfFiles.Count && retId.HasValue)
                {
                    return Request.CreateResponse(HttpStatusCode.OK, retId.Value);
                }

                return Request.CreateResponse(HttpStatusCode.InternalServerError, "Not all files where stored!");
            });
        }

        public int StoreFiles(out int? FileClusterStoreId, bool IsDevloper, string FWname, MeterSize? meterSize = null, CordonelFWTypeEnum? fWTypeEnum = null, int FileCategoryID = 1, string FileDateString = "CURRENT_TIMESTAMP", List<Tuple<string, byte[]>> listOfFiles = null)
        {
            //1   Cordonel FW
            //2   Cordonel Configruation File
            //3   Cordonel Logger File
            //4   Cordonel Update Safe
            //5   Cordonel Update Sotware
            //6   Cordonel Release Config
            //7   Cordonel Look up table

            FileClusterStoreId = null;

            using (var dataacces = new SqlDataAccess(GlobalConfig.connectionString.Value))
            {
                var sb = new StringBuilder();

                sb.AppendLine($" INSERT INTO [dbo].[FileClusterStore] ");
                sb.AppendLine($"            ([FileName]               ");
                sb.AppendLine($"            ,[FileIsLatest]           ");
                sb.AppendLine($"            ,[FileDate]               ");
                sb.AppendLine($"            ,[FileIsForDeveloperOnly] ");
                sb.AppendLine($"            ,[FileCategoryID]         ");
                sb.AppendLine($"            ,[FileIsDeleted])         ");
                sb.AppendLine($"      VALUES                          ");
                sb.AppendLine($"            ('{FWname}'               ");
                sb.AppendLine($"            ,0                        ");
                sb.AppendLine($"            ,{FileDateString}         ");
                sb.AppendLine($"            ,{(IsDevloper ? '1' : '0')} ");
                sb.AppendLine($"            ,{FileCategoryID}         ");
                sb.AppendLine($"            ,0)                       ");
                sb.AppendLine($" SELECT  @@IDENTITY ");

                var ret = dataacces.ExecuteQuery(sb.ToString());
                FileClusterStoreId = (int)((decimal)ret.Rows[0][0]);
                if (meterSize.HasValue && fWTypeEnum.HasValue)
                {
                    sb = new StringBuilder();
                    sb.AppendLine($" INSERT INTO[dbo].[CordonelFwFile]");
                    sb.AppendLine($"            ([CordonelFwFile_FileClusterStoreId]");
                    sb.AppendLine($"            ,[CordonelFwFile_Dn]");
                    sb.AppendLine($"            ,[CordonelFwFile_Type])");
                    sb.AppendLine($"      VALUES");
                    sb.AppendLine($"            ({FileClusterStoreId}");
                    sb.AppendLine($"            ,{meterSize.Value.GetHashCode()}");
                    sb.AppendLine($"            ,{fWTypeEnum.Value.GetHashCode()})");
                    sb.AppendLine($" SELECT  @@IDENTITY ");

                    ret = dataacces.ExecuteQuery(sb.ToString());
                    var CordonelFwFileId = (int)((decimal)ret.Rows[0][0]);
                }

            }

            int FileCounter = 0;
            if (listOfFiles.Any())
            {

                //addMapEntrie
                for (int i = 0; i < listOfFiles.Count; i++)
                {

                    var content = listOfFiles[i].Item2;


                    using (var dataacces = new SqlDataAccess(GlobalConfig.connectionString.Value))
                    {
                        var parameters = new List<System.Data.SqlClient.SqlParameter>();
                        var FileContent = new System.Data.SqlClient.SqlParameter("@FileContent", SqlDbType.VarBinary);
                        var FileName = new System.Data.SqlClient.SqlParameter("@FileName", SqlDbType.NVarChar, 150);

                        FileName.Value = listOfFiles[i].Item1;
                        FileContent.Value = content;

                        parameters.Add(FileName);
                        parameters.Add(FileContent);

                        var retDT = dataacces.ExecuteQuery("INSERT INTO [dbo].[File] ([FileContent], [FileName]) VALUES (@FileContent, @FileName) ;SELECT  @@IDENTITY  ", parameters);
                        var FileId = (int)((decimal)retDT.Rows[0][0]);


                        var sb = new StringBuilder();

                        sb.AppendLine($" INSERT INTO [dbo].[FileMapToCluster] ([FileMapToCluster_FileId],[FileMapToCluster_FileClusterId]) ");
                        sb.AppendLine($" VALUES ");

                        sb.AppendLine($" ({FileId}, ");
                        sb.AppendLine($" {FileClusterStoreId}) ");
                        sb.AppendLine($" SELECT  @@IDENTITY");

                        var retDTMap = dataacces.ExecuteQuery(sb.ToString());

                        if (retDTMap != null && retDTMap.Rows.Count > 0 && (int)((decimal)retDTMap.Rows[0][0]) > -1)
                        {
                            FileCounter = FileCounter + 1;
                        }

                    }

                }

            }

            return FileCounter;
        }


        /// <summary>
        /// Returns a list of all Fw Files (FileCategoryID = 1) that match the filters and are not deleted
        /// </summary>
        /// <param name="FileId">null for all</param>
        /// <param name="FileName">"" for all, use a like to serach</param>
        /// <param name="FileIsLatest">null for all</param>
        /// <param name="FileIsForDeveloperOnly">null for all</param>
        /// <param name="CordonelFwFile_Dn">null for all</param>
        /// <param name="CordonelFwFile_Type">null for all</param>
        /// <returns></returns>
        [Route("GetFwFiles"), HttpGet]
        public async Task<HttpResponseMessage> GetFwFiles(int? FileId = null, string FileName = "", bool? FileIsLatest = null, bool? FileIsForDeveloperOnly = null, int? CordonelFwFile_Dn = null, int? CordonelFwFile_Type = null, int? FileCategoryID = 1)
        {
            return await Task.Run(() =>
            {
                using (var dataacces = new SqlDataAccess(GlobalConfig.connectionString.Value))
                {
                    var sb = new StringBuilder();


                    sb.AppendLine(dataacces.GenerateParam("FileId", "int", FileId));
                    sb.AppendLine(dataacces.GenerateParam("FileName", "nvarchar(50)", FileName));
                    sb.AppendLine(dataacces.GenerateParam("FileIsLatest", "bit", FileIsLatest));
                    sb.AppendLine(dataacces.GenerateParam("FileIsForDeveloperOnly", "bit", FileIsForDeveloperOnly));
                    sb.AppendLine(dataacces.GenerateParam("FileCategoryID", "int", FileCategoryID));
                    sb.AppendLine(dataacces.GenerateParam("CordonelFwFile_Dn", "int", CordonelFwFile_Dn));
                    sb.AppendLine(dataacces.GenerateParam("CordonelFwFile_Type", "int", CordonelFwFile_Type));

                    sb.AppendLine($" select * from [Auftrag].[dbo].[FileClusterStore] fileMaster");
                    sb.AppendLine($"  left outer join [Auftrag].[dbo].[CordonelFwFile] fw on fileMaster.FileIsDeleted = 0 and fileMaster.FileId = fw.CordonelFwFile_FileClusterStoreId");
                    sb.AppendLine($" where (@FileIsForDeveloperOnly is null or FileIsForDeveloperOnly =  @FileIsForDeveloperOnly)");
                    sb.AppendLine($" and (@FileId is null or FileId =  @FileId)");
                    sb.AppendLine($" and (@FileName is null or [FileName] like @FileName)");
                    sb.AppendLine($" and (@FileIsLatest   is null or FileIsLatest =  @FileIsLatest)");
                    sb.AppendLine($" and (@FileCategoryID   is null or FileCategoryID =  @FileCategoryID)");
                    sb.AppendLine($" and (@CordonelFwFile_Dn is null or CordonelFwFile_Dn = @CordonelFwFile_Dn )");
                    sb.AppendLine($" and (@CordonelFwFile_Type is null or CordonelFwFile_Type = @CordonelFwFile_Type)");


                    var retDT = dataacces.ExecuteQuery(sb.ToString());
                    return Request.CreateResponse(HttpStatusCode.OK, retDT);
                }
            });

        }


        /// <summary>
        /// Get text file content if client file date is older or empty other wisre return empty string
        /// </summary>
        /// <returns></returns>
        [Route("GetFileParts"), HttpGet]
        public async Task<HttpResponseMessage> GetFileParts(int? ParentFileId = null, int? FileId = null, string FileName = "", bool readContent = false)
        {
            return await Task.Run(() =>
            {
                using (var dataacces = new SqlDataAccess(GlobalConfig.connectionString.Value))
                {

                    var sb = new StringBuilder();


                    sb.AppendLine(dataacces.GenerateParam("ParentFileId", "int", ParentFileId));
                    sb.AppendLine(dataacces.GenerateParam("FileId", "int", FileId));
                    sb.AppendLine(dataacces.GenerateParam("FileName", "nvarchar(50)", FileName));

                    sb.AppendLine($" select ");
                    sb.AppendLine($" fileMaster.FileId as ParentFileId,files.FileId,files.[FileName] ");

                    if (readContent)
                    {
                        sb.AppendLine($" ,files.FileContent ");
                    }

                    sb.AppendLine($" from [Auftrag].[dbo].[FileClusterStore] fileMaster ");
                    sb.AppendLine($" inner join [Auftrag].[dbo].[FileMapToCluster] map on fileMaster.FileIsDeleted = 0 and  fileMaster.FileId = map.[FileMapToCluster_FileClusterId] ");
                    sb.AppendLine($" inner join [Auftrag].[dbo].[File] files on files.FileId = map.[FileMapToCluster_FileId]  ");

                    sb.AppendLine($" where ");
                    sb.AppendLine($"  (@ParentFileId is null or fileMaster.FileId = @ParentFileId)");
                    sb.AppendLine($"   and (@FileId is null or files.FileId  = @FileId)");
                    sb.AppendLine($"   and (@FileName is null or files.[FileName] like @FileName)");
                    sb.AppendLine($"   order by fileMaster.FileId desc");


                    var retDT = dataacces.ExecuteQuery(sb.ToString());
                    return Request.CreateResponse(HttpStatusCode.OK, retDT);
                }
            });

        }

        ///// <summary>
        ///// Get text file content if client file date is older or empty other wisre return empty string
        ///// </summary>
        ///// <returns></returns>
        //[Route("GetFileBinaryContent"), HttpGet]
        //public async Task<HttpResponseMessage> GetFwFiles(string FileName, DateTimeOffset? ClientFileDate = null, bool isDeveloper = false)
        //{

        //}


        /// <summary>
        /// Get text file content if client file date is older or empty other wisre return empty string
        /// </summary>
        /// <returns></returns>
        [Route("GetUpdateFileContent"), HttpGet]
        public async Task<HttpResponseMessage> GetUpdateFileContent(string FileName, DateTimeOffset? ClientFileDate = null, bool isDeveloper = false)
        {
            try
            {
                return await Task.Run(async () =>
                {

                    DateTime? ClientFileDateUtc = null;
                    if (ClientFileDate.HasValue)
                    {
                        ClientFileDateUtc = ClientFileDate.Value.UtcDateTime;
                    }


                    var retList = GetFiles(FileName: FileName, isDeveloper: isDeveloper, latest: true, FileDateIsGreaterThan: ClientFileDateUtc);
                    if (retList.Count != 1)
                    {
                        return Request.CreateResponse(HttpStatusCode.OK, string.Empty);
                    }

                    return Request.CreateResponse(HttpStatusCode.OK, retList[0]);

                });
            }
            catch (Exception ex)
            {
                return Request.CreateResponse(HttpStatusCode.InternalServerError, ex);
            }

        }


        /// <summary>
        /// Get TextFile content
        /// </summary>
        /// <returns></returns>
        [Route("GetFileList"), HttpGet]
        public async Task<HttpResponseMessage> GetFileList(int? FileID = null, string FileName = "", bool? latest = null, bool? isDeveloper = null)
        {
            try
            {
                return await Task.Run(async () =>
                {
                    var retList = GetFiles(FileID, FileName, latest, isDeveloper);
                    return Request.CreateResponse(HttpStatusCode.OK, retList);

                });
            }
            catch (Exception ex)
            {
                return Request.CreateResponse(HttpStatusCode.InternalServerError, ex);
            }


        }

        private List<BaseFile> GetFiles(int? FileID = null, string FileName = "", bool? latest = true, bool? isDeveloper = false, DateTime? FileDateIsGreaterThan = null)
        {
            var ret = new List<BaseFile>();
            using (var dataacces = new SqlDataAccess(GlobalConfig.connectionString.Value))
            {
                var sb = new StringBuilder();
                sb.AppendLine($" SELECT FileId, FileName, FileContent, FileIsLatest, FileDate, FileIsForDeveloperOnly");
                sb.AppendLine($" FROM TextFileStore ");
                sb.AppendLine($" where FileId > 0");
                if (FileID.HasValue)
                {
                    sb.AppendLine($" and FileId = {FileID.Value}");
                }
                else
                {
                    if (!String.IsNullOrEmpty(FileName))
                    {
                        sb.AppendLine($" and FileName like '%{FileName}%' ");
                    }
                    if (latest.HasValue)
                    {
                        if (latest.Value)
                        {
                            sb.AppendLine($" and FileIsLatest = 1 ");
                        }
                        else
                        {
                            sb.AppendLine($" and FileIsLatest = 0 ");
                        }

                    }

                    if (isDeveloper.HasValue)
                    {
                        if (isDeveloper.Value)
                        {
                            //sb.AppendLine($" and FileIsForDeveloperOnly = 1 ");
                        }
                        else
                        {
                            sb.AppendLine($" and FileIsForDeveloperOnly = 0 ");
                        }

                    }

                    if (FileDateIsGreaterThan.HasValue)
                    {
                        sb.AppendLine($" and FileDate > CONVERT(datetime, '{FileDateIsGreaterThan.Value.ToString("yyyy-MM-dd HH:mm:ss:fff")}',120) ");

                    }

                }



                sb.AppendLine($" order by FileId desc ");

                var dbResult = dataacces.ExecuteQuery(sb.ToString());

                foreach (DataRow row in dbResult.Rows)
                {
                    ret.Add(
                    new BaseFile()
                    {
                        FileId = (int)row["FileId"],
                        FileName = (string)row["FileName"],
                        FileContent = (string)row["FileContent"],
                        IsLatest = (bool)row["FileIsLatest"],
                        UploadDate = (DateTime)row["FileDate"],
                        ForDeveloper = (bool)row["FileIsForDeveloperOnly"],
                    });

                }

                return ret;
            }
        }

        /// <summary>
        /// Get TextFile content
        /// </summary>
        /// <returns></returns>
        [Route("GetFileContent"), HttpGet]
        public async Task<HttpResponseMessage> GetFileContent(int? FileID = null, string FileName = "", bool isDeveloper = false)
        {
            try
            {
                return await Task.Run(async () =>
               {
                   bool? islatest = null;
                   if (!String.IsNullOrEmpty(FileName) && !FileID.HasValue)
                   {
                       islatest = true;
                   }
                   var retList = GetFiles(FileID, FileName, isDeveloper);
                   if (retList.Count != 1)
                   {
                       return Request.CreateResponse(HttpStatusCode.InternalServerError, "Can not find a TextFile for your request");
                   }

                   return Request.CreateResponse(HttpStatusCode.OK, retList[0]);

               });
            }
            catch (Exception ex)
            {
                return Request.CreateResponse(HttpStatusCode.InternalServerError, ex);
            }

        }

    }
}