AddHash() static private method

static private AddHash ( string filePath ) : void
filePath string
return void
Esempio n. 1
0
        internal static bool DownloadAndSaveImage(XmlNode xmlNode)
        {
            var fileurl = string.Format("{0}{1}_1920x1080.jpg", Url, xmlNode.SelectSingleNode("urlBase").InnerText);

            if (UrlsRetrieved.Contains(fileurl))
            {
                ConsoleWriter.WriteLine(2, "Already Dowloaded Image URL");
                return(false);
            }

            var filePath       = Path.Combine(Program.SavePath, GetFileName(xmlNode));
            var tempfilename   = Path.Combine(DownloadPath, Guid.NewGuid() + ".jpg");
            var fileWebRequest = WebRequest.Create(fileurl);

            using (var fileWebResponse = fileWebRequest.GetResponse())
            {
                using (var tempStream = File.Create(tempfilename))
                {
                    var buffer = new byte[1024];
                    using (var fileStream = fileWebResponse.GetResponseStream())
                    {
                        int bytesRead;
                        do
                        {
                            bytesRead = fileStream.Read(buffer, 0, buffer.Length);

                            tempStream.Write(buffer, 0, bytesRead);
                        } while (bytesRead > 0);
                    }
                }
            }

            ConsoleWriter.WriteLine(2, "Downloaded Image, Checking If Duplicate");

            var newImage = false;

            if (!ImageHashing.ImageInHash(tempfilename) && !File.Exists(filePath))
            {
                newImage = true;
                ConsoleWriter.WriteLine(3, "Found New Image");
                using (var srcImg = Image.FromFile(tempfilename))
                {
                    ImagePropertyHandling.SetTitleOnImage(xmlNode, srcImg);
                    srcImg.Save(filePath);
                }
                ImageHashing.AddHash(filePath);
            }
            else
            {
                ConsoleWriter.WriteLine(3, "Identical Image Downloaded");
            }

            UrlsRetrieved.Add(fileurl);
            File.Delete(tempfilename);
            return(newImage);
        }
Esempio n. 2
0
        private static void HashExistingImages(int retryCount = 0)
        {
            try
            {
                foreach (var file in Directory.GetFiles(Program.SavePath, "*.jpg").Where(x => !ImageHashing.HaveFilePathInHashTable(x)))
                {
                    ConsoleWriter.WriteLine("Hashing file: {0}", file);
                    ImageHashing.AddHash(file);
                }

                var preventArchiveDupes = bool.Parse(ConfigurationManager.AppSettings["PreventDuplicatesInArchive"]);
                if (preventArchiveDupes)
                {
                    var archivePath = Path.Combine(Program.SavePath, "Archive");
                    if (!Directory.Exists(archivePath))
                    {
                        Directory.CreateDirectory(archivePath);
                    }
                    foreach (var file in Directory.GetFiles(archivePath, "*.jpg").Where(x => !ImageHashing.HaveFilePathInHashTable(x)))
                    {
                        ConsoleWriter.WriteLine("Hashing file: {0}", file);
                        ImageHashing.AddHash(file);
                    }
                }
            }
            catch (Exception)
            {
                if (retryCount < 5)
                {
                    HashExistingImages(retryCount + 1);
                }
                else
                {
                    throw;
                }
            }

            ConsoleWriter.WriteLine("Now have {0} hashed images", ImageHashing.HistogramHashTable.Count);
        }