/// <summary>
/// Adds a guest to the database and also adds it's likes and dislikes.
/// </summary>
/// <param name="guest">The Guest.</param>
public void Add(Guest guest, Game game)
{
try {
List<ColumnValue> columns = new List<ColumnValue> ();
columns.Add (new ColumnValue () { Item1 = "name", Item2 = guest.Name });
columns.Add (new ColumnValue () { Item1 = "avatarId", Item2 = guest.AvatarId.ToString() });
columns.Add (new ColumnValue () { Item1 = "gameId", Item2 = game.Id.ToString() });
guest.Id = (int)this.Insert (columns).LastInsertedId;
LikesTable likesTable = new LikesTable (this.entity);
foreach (Theme theme in guest.Likes) {
likesTable.AddLike (guest, theme, true);
}
foreach (Theme theme in guest.Dislikes) {
likesTable.AddLike (guest, theme, false);
}
} catch (MySqlException ex) {
switch (ex.Number) {
case 0:
throw new DatabaseException ("Cannot connect to server. Contact administrator", ex);
case 1045:
throw new DatabaseException ("Invalid username/password, please try again", ex);
default:
throw new DatabaseException (ex.Message, ex);
}
}
}
/// <summary>
/// Saves the specified guest to the database.
/// </summary>
/// <remarks>
/// Also updates it's likes and dislikes (removing old ones and adding new ones)
/// </remarks>
/// <param name="guest">The guest.</param>
public void Save(Guest guest, Game game)
{
try {
if (guest.Id < 0) {
return;
}
List<ColumnValue> columns = new List<ColumnValue> ();
columns.Add (new ColumnValue () { Item1 = "name", Item2 = guest.Name });
columns.Add (new ColumnValue () { Item1 = "avatarId", Item2 = guest.AvatarId.ToString() });
columns.Add (new ColumnValue () { Item1 = "gameId", Item2 = game.Id.ToString() });
StatementValue where = new StatementValue ();
where.Item1 = "id = @StatementValue0";
where.Item2 = new List<string> ();
where.Item2.Add (guest.Id.ToString ());
this.Update (columns, where);
LikesTable likesTable = new LikesTable (this.entity);
List<Tuple<Theme, bool>> likes = likesTable.GetAll (guest);
// Delete removed likes
foreach (Tuple<Theme, bool> like in likes) {
if (!guest.Likes.Contains (like.Item1) && !guest.Dislikes.Contains (like.Item1)) {
likesTable.Delete (guest, like.Item1);
}
}
// Update likes and add new likes
foreach (Theme theme in guest.Likes) {
Tuple<Theme, bool> findTheme = likes.Find (thmeLike => thmeLike.Item1.Equals (theme));
if (findTheme == null) {
likesTable.AddLike (guest, theme, true);
} else {
if (!findTheme.Item2)
likesTable.Save (guest, theme, true);
}
}
foreach (Theme theme in guest.Dislikes) {
Tuple<Theme, bool> findTheme = likes.Find (thmeLike => thmeLike.Item1.Equals (theme));
if (findTheme == null) {
likesTable.AddLike (guest, theme, false);
} else {
if (findTheme.Item2)
likesTable.Save (guest, theme, false);
}
}
} catch (MySqlException ex) {
switch (ex.Number) {
case 0:
throw new DatabaseException ("Cannot connect to server. Contact administrator", ex);
case 1045:
throw new DatabaseException ("Invalid username/password, please try again", ex);
default:
throw new DatabaseException (ex.Message, ex);
}
}
}