/*
* Adds a media to the database
*/
private void AddMediaButton_Click(object sender, RoutedEventArgs e)
{
OpenFileDialog openFileDialog = new OpenFileDialog();
openFileDialog.Filter = fileTypeFilter;
if (openFileDialog.ShowDialog() == true)
{
try
{
FileStream file = File.Open(openFileDialog.FileName, FileMode.Open);
using (var db = new mainEntities())
{
string fileExt = Path.GetExtension(file.Name).Remove(0, 1);
string fileType = extensions[fileExt];
Medias newMedia = new Medias
{
Name = Path.GetFileNameWithoutExtension(file.Name),
Ext = fileExt,
ExtID = (from ext in db.MediaExtensions where ext.Extension == fileExt select ext).Single <MediaExtensions>().Id,
Path = file.Name,
Type = fileType,
TypeID = (from type in db.MediaTypes where type.Name == fileType select type).Single <MediaTypes>().Id
};
db.Medias.Add(newMedia);
db.SaveChanges();
Populate();
file.Close();
db.Dispose();
}
} catch (IOException) { }
}
}
/*
* Loads saved medias from database
*/
private void Populate()
{
List <Medias> mediaList = new List <Medias>();
using (var db = new mainEntities())
{
Display((from media in db.Medias select media).ToList());
db.Dispose();
}
}
/*
* Removes every medias from the database
*/
private void RemoveAllButton_Click(object sender, RoutedEventArgs e)
{
using (var db = new mainEntities())
{
db.Medias.RemoveRange(from media in db.Medias select media);
db.SaveChanges();
selectionList.Clear();
Populate();
db.Dispose();
}
}
/*
* Removes the selected medias from the database
*/
private void RemoveButton_Click(object sender, RoutedEventArgs e)
{
using (var db = new mainEntities())
{
foreach (Medias m in selectionList)
{
db.Medias.RemoveRange(from media in db.Medias where media.Id == m.Id select media);
}
db.SaveChanges();
selectionList.Clear();
Populate();
db.Dispose();
}
}
/*
* Loads supported extensions from database
*/
private void LoadExtensions()
{
using (var db = new mainEntities())
{
foreach (MediaTypes mediaType in ((from type in db.MediaTypes select type).ToList()))
{
var extString = "";
foreach (MediaExtensions mediaExt in ((from ext in db.MediaExtensions where ext.MediaTypeID == mediaType.Id select ext).ToList()))
{
extString += "*." + mediaExt.Extension + ";";
extensions.Add(mediaExt.Extension, mediaType.Name);
}
extString = extString.Remove(extString.Length - 1);
fileTypeFilter += "|" + mediaType.Name + " files(" + extString + ")|" + extString;
}
if (fileTypeFilter.Length > 0)
{
fileTypeFilter = fileTypeFilter.Remove(0, 1);
}
db.Dispose();
}
}
