14a0b600fd
Added method RoImageInforList GetByRODbIDFilename to find image files by name. Find ROImages if not attached to the current ROFST. The Export/Import code was not saving ROImage usages properly
513 lines
14 KiB
C#
513 lines
14 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Text;
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using System.Data;
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using System.Data.SqlClient;
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using Csla;
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using Csla.Data;
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using System.IO;
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using System.IO.Compression;
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using Volian.Base.Library;
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namespace VEPROMS.CSLA.Library
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{
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public delegate void ROImageInfoCompressionEvent(object sender, ROImageInfoCompressionEventArgs args);
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public class ROImageInfoCompressionEventArgs
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{
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private int _Total;
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public int Total
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{
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get { return _Total; }
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set { _Total = value; }
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}
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private int _Current;
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public int Current
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{
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get { return _Current; }
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set { _Current = value; }
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}
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private string _FileName;
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public string FileName
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{
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get { return _FileName; }
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set { _FileName = value; }
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}
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private ROImageCompressionEventType _Type;
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public ROImageCompressionEventType Type
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{
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get { return _Type; }
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set { _Type = value; }
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}
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public ROImageInfoCompressionEventArgs(ROImageCompressionEventType type)
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{
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_Type = type;
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}
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public ROImageInfoCompressionEventArgs(int current, string fileName)
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{
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_Current = current;
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_FileName = fileName;
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_Type = ROImageCompressionEventType.Update;
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}
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public ROImageInfoCompressionEventArgs(int total)
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{
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_Type = ROImageCompressionEventType.Initialize;
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_Total = total;
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}
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}
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public enum ROImageCompressionEventType:int {Initialize, Update, Complete};
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public partial class ROImageInfo
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{
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public static event ROImageInfoCompressionEvent CompressAllExistingImages;
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public static void OnCompressAllExistingImages(object sender, ROImageInfoCompressionEventArgs args)
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{
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if (CompressAllExistingImages != null) CompressAllExistingImages(sender, args);
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}
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// put in for debug
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//public static int CacheCountPrimaryKey
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//{ get { return _CacheByPrimaryKey.Count; } }
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//public static int CacheCountList
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//{ get { return _CacheList.Count; } }
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public static ROImageInfo GetByROFstID_FileName(int rOFstID, string fileName)
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{
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//if (!CanGetObject())
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// throw new System.Security.SecurityException("User not authorized to view a ROImage");
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try
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{
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if (fileName.EndsWith("PCX")) fileName = fileName.Replace(".PCX", ".TIF");
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ROImageInfo tmp = DataPortal.Fetch<ROImageInfo>(new ROFstID_FileNameCriteria(rOFstID, fileName));
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if (tmp.ErrorMessage == "No Record Found")
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{
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tmp.Dispose(); // Clean-up ROImage
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tmp = null;
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}
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return tmp;
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}
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catch (Exception ex)
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{
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throw new DbCslaException("Error on ROImage.GetByROFstID_FileName", ex);
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}
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}
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public bool ImagesZipped()
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{
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FolderInfo topFolder = FolderInfo.Get(1);
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FolderConfig fc = topFolder.MyConfig as FolderConfig;
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return fc.Images_zipped;
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}
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public static byte[] Compress(byte[] blob)
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{
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int size = blob.Length;
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using (MemoryStream Source = new MemoryStream(blob))
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{
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using (MemoryStream Destination = new MemoryStream())
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{
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using (DeflateStream Zip = new DeflateStream(Destination, CompressionMode.Compress, true))
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{
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int bytesToRead = 0;
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Source.Position = 0;
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while (Source.Position < Source.Length)
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{
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if (Source.Length > int.MaxValue)
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bytesToRead = int.MaxValue;
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else
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bytesToRead = (int)(Source.Length - Source.Position);
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byte[] buf = new byte[bytesToRead];
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Source.Read(buf, 0, bytesToRead);
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Zip.Write(buf, 0, bytesToRead);
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}
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Zip.Close();
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}
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return Destination.ToArray();
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}
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}
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}
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public static byte[] Decompress(byte[] blob, int bsize)
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{
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if (blob == null) return null;
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using (MemoryStream inputStream = new MemoryStream(blob))
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{
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using (DeflateStream unzip = new DeflateStream(inputStream, CompressionMode.Decompress))
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{
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using (BinaryReader reader = new BinaryReader(unzip))
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{
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byte[] bytes = new byte[bsize];
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reader.Read(bytes, 0, bsize);
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return bytes;
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}
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}
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}
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}
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public static void FlagImagesZipped()
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{
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using (Folder folder = Folder.Get(1))
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{
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FolderConfig cf = folder.MyConfig as FolderConfig;
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cf.Images_zipped = true;
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folder.Config = cf.ToString(); ;
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folder.Save();
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}
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}
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// zip all images in the database. It was decided that images would be zipped in September of 2012
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// for a few reasons: 1) database size will be smaller; 2) transfer from server of images will be faster;
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// 3) database migration wouldn't use as much memory.
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//
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public static void ZipImages()
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{
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FolderInfo fi = FolderInfo.Get(1);
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FolderConfig cf = fi.MyConfig as FolderConfig;
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if (cf.Images_zipped) return;
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// put the ids in a list and process each separately because if we do it any other way, we run
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// into memory issues.
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ROImageInfoList rol = ROImageInfoList.Get();
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List<int> imageIds = new List<int>();
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foreach (ROImageInfo roi in rol) imageIds.Add(roi.ImageID);
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rol.Dispose();
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OnCompressAllExistingImages(null, new ROImageInfoCompressionEventArgs(imageIds.Count));
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int pcount = 1;
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foreach (int id in imageIds)
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{
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using (ROImage ro = ROImage.Get(id))
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{
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string nm = ro.FileName;
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OnCompressAllExistingImages(null, new ROImageInfoCompressionEventArgs(pcount++, nm));
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ROImageConfig rc = new ROImageConfig();
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rc.Image_Size = ro.Content.Length.ToString();
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ro.Content = ROImageInfo.Compress(ro.Content);
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ro.Config = rc.ToString();
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ro.Save();
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}
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}
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OnCompressAllExistingImages(null, new ROImageInfoCompressionEventArgs( ROImageCompressionEventType.Complete));
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using (Folder folder = Folder.Get(1))
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{
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cf.Images_zipped = true;
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folder.Config = cf.ToString();
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folder.Save();
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}
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}
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private void DataPortal_Fetch(ROFstID_FileNameCriteria criteria)
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{
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if (_MyLog.IsDebugEnabled) _MyLog.DebugFormat("[{0}] ROImageInfo.DataPortal_Fetch", GetHashCode());
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try
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{
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using (SqlConnection cn = Database.VEPROMS_SqlConnection)
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{
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ApplicationContext.LocalContext["cn"] = cn;
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using (SqlCommand cm = cn.CreateCommand())
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{
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cm.CommandType = CommandType.StoredProcedure;
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cm.CommandText = "getROImageByROFstID_FileName";
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cm.Parameters.AddWithValue("@ROFstID", criteria.ROFstID);
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cm.Parameters.AddWithValue("@FileName", criteria.FileName);
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cm.CommandTimeout = Database.DefaultTimeout;
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using (SafeDataReader dr = new SafeDataReader(cm.ExecuteReader()))
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{
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if (!dr.Read())
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{
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_ErrorMessage = "No Record Found";
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return;
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}
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ReadData(dr);
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}
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}
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// removing of item only needed for local data portal
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if (ApplicationContext.ExecutionLocation == ApplicationContext.ExecutionLocations.Client)
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ApplicationContext.LocalContext.Remove("cn");
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}
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}
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catch (Exception ex)
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{
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if (_MyLog.IsErrorEnabled) _MyLog.Error("ROImageInfo.DataPortal_Fetch", ex);
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_ErrorMessage = ex.Message;
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throw new DbCslaException("ROImageInfo.DataPortal_Fetch", ex);
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}
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}
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[Serializable()]
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private class ROFstID_FileNameCriteria
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{
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private int _ROFstID;
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public int ROFstID
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{ get { return _ROFstID; } }
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private string _FileName;
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public string FileName
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{ get { return _FileName; } }
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public ROFstID_FileNameCriteria(int rOFstID, string fileName)
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{
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_ROFstID = rOFstID;
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_FileName = fileName;
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}
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}
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}
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public class ROImageFile : IDisposable
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{
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private static readonly log4net.ILog _MyLog = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
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#region Fields
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private bool _IsDisposed;
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//private static string _TemporaryFolder = null;
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#endregion
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#region Properties
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private ROImageInfo _MyROImage = null;
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public ROImageInfo MyROImage
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{
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get { return _MyROImage; }
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set
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{
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TryDelete();
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_MyROImage = value;
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CreateFile();
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}
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}
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private FileInfo _MyFile = null;
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public FileInfo MyFile
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{
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get { return _MyFile; }
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}
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private string _Extension = "TIF";
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public string Extension
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{
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get { return _Extension; }
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set { _Extension = value; }
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}
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#endregion
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#region Private Methods
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private void TryDelete()
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{
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if (_MyROImage == null) return;
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if (_MyFile == null) return;
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if (_MyFile.Exists)
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{
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try
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{
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_MyFile.Delete();
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}
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catch (IOException ex)
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{
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_MyLog.Error("TryDelete", ex);
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}
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finally
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{
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_MyFile = null;
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_MyROImage = null;
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}
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}
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}
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private bool _Created = false;
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private int _Unique = 0;
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private string Unique
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{
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get
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{
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string retval = "";
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if (_Unique != 0) retval = "_" + _Unique.ToString();
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_Unique++;
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return retval;
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}
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}
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private void CreateFile()
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{
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while (!_Created)
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CreateTemporaryFile();
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}
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private void CreateTemporaryFile()
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{
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try
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{
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if (_MyROImage != null)
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{
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_MyFile = new FileInfo(string.Format(@"{0}\tmp_{1}{2}", VlnSettings.TemporaryFolder, Unique, MyROImage.FileName));
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FileStream fs = _MyFile.Create();
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ROImageConfig roicfg = new ROImageConfig(MyROImage);
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int size = Convert.ToInt32(roicfg.Image_Size);
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byte[] tmpb = ROImageInfo.Decompress(MyROImage.Content, size);
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fs.Write(tmpb, 0, tmpb.Length);
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fs.Close();
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_MyFile.CreationTimeUtc = MyROImage.DTS;
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_MyFile.LastWriteTimeUtc = MyROImage.DTS;
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_Created = true;
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}
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}
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catch (Exception ex)
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{
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Console.WriteLine(ex.Message);
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}
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}
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public string FullName
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{
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get { return _MyFile.FullName; }
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set
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{
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if (FullName != value)
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_MyFile = new FileInfo(value);
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}
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}
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public void SaveFile()
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{
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if (_MyROImage == null) return;
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ROImage roImage = _MyROImage.Get();
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FileStream fs = _MyFile.Open(FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
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Byte[] buf = new byte[_MyFile.Length];
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fs.Read(buf, 0, buf.Length);
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fs.Close();
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roImage.Content = buf;
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roImage.UserID = Volian.Base.Library.VlnSettings.UserID;
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roImage.DTS = _MyFile.LastWriteTimeUtc;
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roImage.Save();
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}
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#endregion
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#region Constructors
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public ROImageFile(ROImageInfo myROImage)
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{
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MyROImage = myROImage;
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}
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#endregion
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#region Destructor
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~ROImageFile()
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{
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Dispose(false);
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}
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public void Dispose()
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{
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Dispose(false);
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GC.SuppressFinalize(this);
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}
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protected void Dispose(bool disposing)
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{
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if (!_IsDisposed)
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{
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_IsDisposed = true;
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TryDelete();
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}
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}
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#endregion
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}
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public partial class ROImageInfoList
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{
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public static ROImageInfoList GetByRODbIDNoData(int rODbID)
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{
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try
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{
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ROImageInfoList tmp = DataPortal.Fetch<ROImageInfoList>(new RODbIDNoDataCriteria(rODbID));
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//ROImageInfo.AddList(tmp);
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tmp.AddEvents();
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return tmp;
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}
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catch (Exception ex)
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{
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throw new DbCslaException("Error on ROImageInfoList.GetByRODbID", ex);
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}
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}
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private class RODbIDNoDataCriteria
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{
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public RODbIDNoDataCriteria(int rODbID)
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{
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_RODbID = rODbID;
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}
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private int _RODbID;
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public int RODbID
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{
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get { return _RODbID; }
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set { _RODbID = value; }
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}
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}
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private void DataPortal_Fetch(RODbIDNoDataCriteria criteria)
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{
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this.RaiseListChangedEvents = false;
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if (_MyLog.IsDebugEnabled) _MyLog.DebugFormat("[{0}] ROImageInfoList.DataPortal_FetchRODbID", GetHashCode());
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try
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{
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using (SqlConnection cn = Database.VEPROMS_SqlConnection)
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{
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using (SqlCommand cm = cn.CreateCommand())
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{
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cm.CommandType = CommandType.StoredProcedure;
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cm.CommandText = "getROImagesByRODbIDNoData";
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cm.Parameters.AddWithValue("@RODbID", criteria.RODbID);
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cm.CommandTimeout = Database.DefaultTimeout;
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using (SafeDataReader dr = new SafeDataReader(cm.ExecuteReader()))
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{
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IsReadOnly = false;
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while (dr.Read()) this.Add(new ROImageInfo(dr));
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IsReadOnly = true;
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}
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}
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}
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}
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catch (Exception ex)
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{
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if (_MyLog.IsErrorEnabled) _MyLog.Error("ROImageInfoList.DataPortal_FetchRODbID", ex);
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throw new DbCslaException("ROImageInfoList.DataPortal_Fetch", ex);
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}
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this.RaiseListChangedEvents = true;
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}
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public static ROImageInfoList GetByRODbIDFilename(int rODbID,string filename)
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{
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try
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{
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ROImageInfoList tmp = DataPortal.Fetch<ROImageInfoList>(new RODbIDFilenameCriteria(rODbID,filename));
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//ROImageInfo.AddList(tmp);
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tmp.AddEvents();
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return tmp;
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}
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catch (Exception ex)
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{
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throw new DbCslaException("Error on ROImageInfoList.GetByRODbIDFilename", ex);
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}
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}
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private class RODbIDFilenameCriteria
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{
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public RODbIDFilenameCriteria(int rODbID,string filename)
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{
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_RODbID = rODbID;
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_Filename = filename;
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}
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private int _RODbID;
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public int RODbID
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{
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get { return _RODbID; }
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set { _RODbID = value; }
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}
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private string _Filename;
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public string Filename
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{
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get { return _Filename; }
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set { _Filename = value; }
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}
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}
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private void DataPortal_Fetch(RODbIDFilenameCriteria criteria)
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{
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this.RaiseListChangedEvents = false;
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if (_MyLog.IsDebugEnabled) _MyLog.DebugFormat("[{0}] ROImageInfoList.DataPortal_FetchRODbIDFilename", GetHashCode());
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try
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{
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using (SqlConnection cn = Database.VEPROMS_SqlConnection)
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{
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using (SqlCommand cm = cn.CreateCommand())
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{
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cm.CommandType = CommandType.StoredProcedure;
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cm.CommandText = "getROImagesByRODbID_Filename";
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cm.Parameters.AddWithValue("@RODbID", criteria.RODbID);
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cm.Parameters.AddWithValue("@FileName", criteria.Filename);
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cm.CommandTimeout = Database.DefaultTimeout;
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using (SafeDataReader dr = new SafeDataReader(cm.ExecuteReader()))
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{
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IsReadOnly = false;
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while (dr.Read()) this.Add(new ROImageInfo(dr));
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IsReadOnly = true;
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}
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}
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}
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}
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catch (Exception ex)
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{
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if (_MyLog.IsErrorEnabled) _MyLog.Error("ROImageInfoList.DataPortal_FetchRODbIDFilename", ex);
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throw new DbCslaException("ROImageInfoList.DataPortal_FetchRODbIDFilename", ex);
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}
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this.RaiseListChangedEvents = true;
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}
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}
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}
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