public BandPageVM(){
_bands = Band.getAll();
_genres = Genre.getAll();
NewBand = new Band();
Foto = false;
NewBand = _bands[0];
Console.WriteLine("Check");
}
public static List<Band> GetBands() {
List<Band> lijst = new List<Band>(); string sSQL = "SELECT * FROM [Bands]";
DbDataReader reader = Database.GetData(sSQL, null);
if (reader != null && reader.HasRows)
{
while (reader.Read())
{
Band aNew = new Band();
aNew.ID = reader["ID"].ToString();
aNew.Name = reader["Name"].ToString();
if (!DBNull.Value.Equals(reader["Description"]))
{
aNew.Description = reader["Description"].ToString();
}
else
{
aNew.Description = null;
}
if (!DBNull.Value.Equals(reader["Picture"]))
{
aNew.Picture = (byte[])reader["Picture"];
}
else
{
aNew.Picture = new byte[0];
}
if (!DBNull.Value.Equals(reader["Twitter"]))
{
aNew.Twitter = reader["Twitter"].ToString();
}
else
{
aNew.Twitter = null;
}
if (!DBNull.Value.Equals(reader["Facebook"]))
{
aNew.Facebook = reader["Facebook"].ToString();
}
else
{
aNew.Facebook = null;
}
lijst.Add(aNew);
}
} return lijst;
}
public static void DeleteBandGenre(Band band, Genre genre)
{
String sql = "DELETE FROM BandGenre WHERE BandId = @Band AND GenreId = @Genre";
DbParameter par1 = Database.AddParameter("@Band", band.ID);
DbParameter par2 = Database.AddParameter("@Genre", genre.ID);
if (par1.Value == null) par1.Value = DBNull.Value;
Database.ModifyData(sql, par1, par2);
}
protected async override void OnNavigatedTo(NavigationEventArgs e)
{
// Data ophalen met JSON
//HttpClient client = new HttpClient();
//HttpResponseMessage response = await client.GetAsync("http://api.irail.be/stations/?format=json");
//string result = await response.Content.ReadAsStringAsync();
//Station.Stations = new ObservableCollection<Station>();
//JsonObject obj = JsonObject.Parse(result);
//JsonArray stations = obj["station"].GetArray() as JsonArray;
//foreach (JsonValue val in stations)
//{
// Station s = new Station() {
// ID = val.GetObject().GetNamedString("id"),
// Name = val.GetObject().GetNamedString("name")
// };
// Station.Stations.Add(s);
//}
//stationslist.ItemsSource = Station.Stations;
//Data ophalen met XML
XmlDocument xmlDoc = await XmlDocument.LoadFromUriAsync(new Uri("http://api.irail.be/stations/"));
XmlNodeList stations = xmlDoc.GetElementsByTagName("station");
Band.Bands = new ObservableCollection<Band>();
for (int i = 0; i < stations.Count; i++)
{
Band s = new Band() { ID = stations[i].Attributes[0].InnerText, Name = stations[i].InnerText };
Band.Bands.Add(s);
}
bandslist.ItemsSource = Band.Bands;
}
public static void EditPicture(Band band, Byte[] picture)
{
String sql = "UPDATE Bands Set Picture=@Picture WHERE ID=@Band";
DbParameter par1 = Database.AddParameter("@Band", band._ID);
DbParameter par3 = Database.AddParameter("@Picture", picture);
if (par3.Value == null) par3.Value = DBNull.Value;
Database.ModifyData(sql, par1, par3);
}
public static void NewBandGenre(Band band, Genre genre)
{
String sql = "INSERT INTO BandGenre (BandId, GenreId) VALUES(@Band, @Genre)";
DbParameter par1 = Database.AddParameter("@Band", band.ID);
DbParameter par2 = Database.AddParameter("@Genre", genre.ID);
if (par1.Value == null) par1.Value = DBNull.Value;
Database.ModifyData(sql, par1, par2);
}
public static void EditBand(Band band)
{
String sql = "UPDATE Bands Set Name=@Name, Description=@Description, Twitter=@Twitter, Facebook=@Facebook WHERE ID=@Band";
DbParameter par1 = Database.AddParameter("@Band", band._ID);
DbParameter par2 = Database.AddParameter("@Name", band._Name);
DbParameter par4 = Database.AddParameter("@Description", band._Description);
DbParameter par5 = Database.AddParameter("@Twitter", band._Twitter);
DbParameter par6 = Database.AddParameter("@Facebook", band._Facebook);
if (par4.Value == null) par4.Value = DBNull.Value;
Database.ModifyData(sql, par1, par2, par4, par5, par6);
}
public static void DeleteBand(Band band)
{
String sql = "DELETE FROM Bands WHERE ID = @Band";
DbParameter par1 = Database.AddParameter("@Band", band._ID);
if (par1.Value == null) par1.Value = DBNull.Value;
Database.ModifyData(sql, par1);
}
public static void NewBand(Band band)
{
String sql = "INSERT INTO Bands (Name, Picture, Description, Twitter, Facebook) VALUES(@Name, @Picture, @Description, @Twitter, @Facebook)";
DbParameter par1 = Database.AddParameter("@Name", band._Name);
DbParameter par2 = Database.AddParameter("@Picture", band.Picture);
DbParameter par3 = Database.AddParameter("@Description", band.Description);
DbParameter par4 = Database.AddParameter("@Twitter", band.Twitter);
DbParameter par5 = Database.AddParameter("@Facebook", band.Facebook);
if (par2.Value == null) par2.Value = DBNull.Value;
if (par3.Value == null) par3.Value = DBNull.Value;
Database.ModifyData(sql, par1, par2, par3, par4, par5);
}
public static Band getBand(String id)
{
Band band = new Band();
String sSQL = "SELECT * FROM Bands WHERE ID = @ID";
DbParameter par1 = Database.AddParameter("@ID", id);
if (par1.Value == null) par1.Value = DBNull.Value;
DbDataReader reader = Database.GetData(sSQL, par1);
while (reader.Read())
{
band.Name = reader["Name"].ToString();
band.ID = id;
if (!DBNull.Value.Equals(reader["Description"]))
{
band.Description = reader["Description"].ToString();
}
else
{
band.Description = null;
}
if (!DBNull.Value.Equals(reader["Picture"]))
{
band.Picture = (byte[])reader["Picture"];
}
else
{
band.Picture = null;
}
if (!DBNull.Value.Equals(reader["Twitter"]))
{
band.Twitter = reader["Twitter"].ToString();
}
else
{
band.Twitter = null;
}
if (!DBNull.Value.Equals(reader["Facebook"]))
{
band.Facebook = reader["Facebook"].ToString();
}
else
{
band.Facebook = null;
}
band.Genres = Genre.getByBand(id);
}
return band;
}
//string IDataErrorInfo.Error
//{
// get { return "Model not valid"; }
//}
//string IDataErrorInfo.this[string columnName]
//{
// get
// {
// try
// {
// object value = this.GetType().GetProperty(columnName).GetValue(this);
// Validator.ValidateProperty(value, new ValidationContext(this, null, null)
// {
// MemberName = columnName
// });
// }
// catch (ValidationException ex)
// {
// return ex.Message;
// }
// return String.Empty;
// }
//}
#endregion
public static ObservableCollection<Band> getAll()
{
ObservableCollection<Band> lijst = new ObservableCollection<Band>();
String sSQL = "SELECT * FROM Bands";
DbDataReader reader = Database.GetData(sSQL);
while (reader.Read())
{
Band aNew = new Band();
aNew.ID = reader["ID"].ToString();
aNew.Name = reader["Name"].ToString();
//De reader crasht als hij iets leegs inleest, daarom vangen wij dit op met de if's
if (!DBNull.Value.Equals(reader["Description"]))
{
aNew.Description = reader["Description"].ToString();
}
else
{
aNew.Description = null;
}
if (!DBNull.Value.Equals(reader["Picture"]))
{
aNew.Picture = (byte[])reader["Picture"];
}
else
{
aNew.Picture = new byte[0];
}
if (!DBNull.Value.Equals(reader["Twitter"]))
{
aNew.Twitter = reader["Twitter"].ToString();
}
else
{
aNew.Twitter = null;
}
if (!DBNull.Value.Equals(reader["Facebook"]))
{
aNew.Facebook = reader["Facebook"].ToString();
}
else
{
aNew.Facebook = null;
}
aNew.Genres = Genre.getByBand(aNew.ID);
lijst.Add(aNew);
}
return lijst;
}
