public DataManagement()
{
logger = new Logger(Constants.logFolderPath, Constants.logFileName);
fileScanner = new FileScanner();
tagDatabase = new TagDatabase();
photoDatabase = new PhotoDatabase();
}
// tagList gets filled!
internal static Photo FromString(string element, TagDatabase tagDB, HashSet <Tag> emptyTagList)
{
string[] parts = element.Split(Constants.splitChar);
string[] tagIDs = parts[1].Split(Constants.subSplitChar);
for (int i = 0; i < tagIDs.Length; i++)
{
emptyTagList.Add(tagDB.GiveTag(Int32.Parse(tagIDs[i])));
}
return(new Photo(parts[0], DateTime.Parse(parts[2]), emptyTagList));
}
private void createFromFile(string dbFilePath)
{
string[] lines;
try
{
lines = File.ReadAllLines(dbFilePath);
}
catch (Exception e)
{
logger.log("Was not able to read from db-file '" + dbFilePath + " || " + e.ToString());
return;
}
int mode = 0;
List <Tag> tags = new List <Tag>(10);
List <string> scanPaths = new List <string>(10);
List <Photo> photos = new List <Photo>(lines.Length);
List <HashSet <Tag> > tagsOnPhoto = new List <HashSet <Tag> >(photos.Count);
try
{
string element;
for (int i = 0; i < lines.Length; i++)
{
element = lines[i];
if (element == Constants.lineSeparator)
{
switch (mode)
{
case 0:
tagDatabase = new TagDatabase(tags);
break;
case 1:
photoDatabase = new PhotoDatabase(photos, tagsOnPhoto);
break;
case 2:
fileScanner = new FileScanner(scanPaths, photos);
break;
}
mode++;
continue;
}
switch (mode)
{
case 0:
tags.Add(Tag.FromString(element));
break;
case 1:
photos.Add(Photo.FromString(element, tagDatabase, tagsOnPhoto[i]));
break;
case 2:
scanPaths.Add(element);
break;
}
}
}
catch (Exception e)
{
logger.log("db-file is corrupted: '" + dbFilePath + " || " + e.ToString());
}
}
