public static Dictionary<string, PMetaData> LoadCache(string folderPath)
{
Dictionary<string, PMetaData> CacheResult = new Dictionary<string, PMetaData>();
if (System.IO.File.Exists(folderPath + @"\" + GENTLE_FILE ))
{
using (System.IO.StreamReader reader = new System.IO.StreamReader(folderPath + @"\" +GENTLE_FILE))
{
string line;
string filepath = null;
while ((line = reader.ReadLine()) != null)
{
if (line[0] == '[')
{
int index = line.IndexOf(']');
filepath = folderPath + @"\" + line.Substring(1, index - 1);
CacheResult[filepath] = new PMetaData();
}
else if (line.Contains("="))
{
var values = line.Split('=');
string field = values[0].Trim().ToLower();
string fieldvalue = values[1].Trim().ToLower();
if(field == "hash") {
if (fieldvalue.Length == 40)
CacheResult[filepath].Hash = fieldvalue;
}
else if (line.Substring(0, 8) == "keywords")
{
CacheResult[filepath].Keywords = new List<string>(line.Substring(9).Split(','));
}
else if (line.Substring(0, 7) == "updated")
{
try
{
CacheResult[filepath].Updated = Convert.ToInt64(line.Substring(8));
}
catch
{
}
}
}
}
reader.Close();
}
}
return CacheResult;
}
public static Dictionary<string, PMetaData> LoadCache(string folderPath)
{
Dictionary<string, PMetaData> CacheResult = new Dictionary<string, PMetaData>();
if (System.IO.File.Exists(folderPath + @"\" + PICASA_FILE))
{
using (System.IO.StreamReader reader = new System.IO.StreamReader(folderPath + @"\" + PICASA_FILE))
{
string line;
string filepath = null;
while ((line = reader.ReadLine()) != null)
{
if (line[0] == '[')
{
filepath = folderPath + @"\" + line.Substring(1, line.IndexOf(']') - 1);
CacheResult[filepath] = new PMetaData();
}
else if (line.Substring(0, 8) == "keywords")
{
var ptags = new List<string>(line.Substring(9).Split(','));
ptags = ptags.ConvertAll(a => a.Trim());
CacheResult[filepath].Keywords.AddRange(ptags);
}
else
{
if (line.Contains("="))
{
int index = line.IndexOf('=');
CacheResult[filepath].RawData[line.Substring(0, index)] = line.Substring(index + 1);
}
}
}
}
}
return CacheResult;
}
public Dictionary<string, PMetaData> ScanFolder(string folder)
{
Dictionary<string, PMetaData> Results = new Dictionary<string,PMetaData>();
Dictionary<string, PMetaData> DataFromPicasa = PicasaHelper.LoadCache(folder);
Dictionary<string, PMetaData> DataFromGentleman = GHelper.LoadCache(folder);
int index = 0;
foreach (var filepath in System.IO.Directory.GetFiles(folder))
{
string ext = System.IO.Path.GetExtension(filepath).ToLower();
if (!SupportFileExt.Contains(ext)) continue;
index += 1;
Results[filepath] = new PMetaData();
Results[filepath].FilePath = filepath;
Results[filepath].Updated = System.IO.File.GetLastWriteTimeUtc(filepath).Ticks;
// FolderKeywords
var folderpaths = folder.Split('\\');
List<string> folderkeywords = new List<string>();
if(folderpaths.Length > 3) {
folderkeywords.Add("#" + folderpaths[folderpaths.Length - 1]);
folderkeywords.Add("#" + folderpaths[folderpaths.Length - 2]);
}
// Copy Keywords and RawData from Picasa
if (DataFromPicasa.ContainsKey(filepath))
{
Results[filepath].Keywords = DataFromPicasa[filepath].Keywords;
Results[filepath].RawData = DataFromPicasa[filepath].RawData;
}
// Update Keywords from image Raw Data
if ((ext == ".jpg" || ext ==".jpeg") && (!DataFromGentleman.ContainsKey(filepath)
|| DataFromGentleman[filepath].Updated != Results[filepath].Updated))
{
try
{
JpegHelper p = new JpegHelper(filepath);
Results[filepath].Keywords.AddRange(p.Keywords);
}
catch { }
// Update Path Keywords
Results[filepath].Keywords.AddRange(folderkeywords);
}
if (DataFromGentleman.ContainsKey(filepath) && DataFromGentleman[filepath].Hash != null)
{
Results[filepath].Hash = DataFromGentleman[filepath].Hash;
}
else
{
try
{
Results[filepath].Hash = ThumbHelper.ComputeHash(filepath);
}
catch
{
Results.Remove(filepath);
continue;
}
}
Results[filepath].Keywords = Algorithm.TagSet(Results[filepath].Keywords);
Results[filepath].Hash = Results[filepath].Hash.ToUpper();
}
return Results;
}
