/// <summary>
/// Creates a new media object.
/// </summary>
/// <param name="media">The memory stream containing the media.</param>
/// <param name="type">The media type.</param>
/// <param name="rpu">A delegate of type <see cref="StatusMessageReportProgress"/> used to send messages back to the calling object.</param>
/// <param name="caller">The calling object.</param>
/// <returns>The id for the new media object.</returns>
/// <remarks>Documented by Dev03, 2008-08-05</remarks>
/// <remarks>Documented by Dev03, 2009-01-13</remarks>
public int CreateMedia(System.IO.Stream media, MLifter.DAL.Interfaces.EMedia type, MLifter.DAL.Tools.StatusMessageReportProgress rpu, object caller)
{
int newId;
SqlCeCommand cmd = MSSQLCEConn.CreateCommand(Parent.CurrentUser);
cmd.CommandText = "INSERT INTO MediaContent (data, media_type) VALUES (@data, @type); SELECT @@IDENTITY;";
cmd.Parameters.Add("@data", SqlDbType.Image);
cmd.Parameters.Add("@type", SqlDbType.NVarChar, 100);
cmd.Parameters["@data"].Value = GetByteArrayFromStream(media, rpu, caller);
cmd.Parameters["@type"].Value = type.ToString();
newId = Convert.ToInt32(MSSQLCEConn.ExecuteScalar(cmd));
return newId;
}
/// <summary>
/// Sets a single property value for a media object.
/// </summary>
/// <param name="id">The id.</param>
/// <param name="property">The property.</param>
/// <param name="value">The value.</param>
/// <remarks>Documented by Dev02, 2008-08-07</remarks>
/// <remarks>Documented by Dev03, 2009-01-13</remarks>
public void SetPropertyValue(int id, MLifter.DAL.Interfaces.MediaProperty property, string value)
{
SqlCeCommand cmd = MSSQLCEConn.CreateCommand(Parent.CurrentUser);
SqlCeTransaction tran = cmd.Connection.BeginTransaction();
if (GetPropertyValue(id, property) == null)
cmd.CommandText = "INSERT INTO MediaProperties (media_id, property, value) VALUES (@media_id, @property, @value);";
else
cmd.CommandText = "UPDATE MediaProperties SET value=@value WHERE media_id=@media_id AND property=@property;";
Dictionary<MediaProperty, string> properties = Parent.CurrentUser.Cache[ObjectLifetimeIdentifier.GetIdentifier(CacheObject.MediaProperties, id)] as Dictionary<MediaProperty, string>;
if (properties == null)
properties = new Dictionary<MediaProperty, string>();
properties[property] = value;
Parent.CurrentUser.Cache[ObjectLifetimeIdentifier.Create(CacheObject.MediaProperties, id, new TimeSpan(1, 0, 0))] = properties;
cmd.Parameters.Add("@media_id", id);
cmd.Parameters.Add("@property", property.ToString());
cmd.Parameters.Add("@value", value);
MSSQLCEConn.ExecuteNonQuery(cmd);
tran.Commit();
}
public void SetCardMedia(int id, int cardid, MLifter.DAL.Interfaces.Side side, MLifter.DAL.Interfaces.WordType type, bool isDefault, MLifter.DAL.Interfaces.EMedia mediatype)
{
using (SqlCeCommand cmd = MSSQLCEConn.CreateCommand(Parent.CurrentUser))
{
SqlCeTransaction tran = cmd.Connection.BeginTransaction();
ClearCardMedia(cardid, side, type, mediatype);
cmd.CommandText = "INSERT INTO \"Cards_MediaContent\" (media_id, cards_id, side, type, is_default) " +
"VALUES (@mediaid, @cardid, @side, @type, @isdefault);";
cmd.Parameters.Add("@mediaid", id);
cmd.Parameters.Add("@cardid", cardid);
cmd.Parameters.Add("@side", side.ToString());
cmd.Parameters.Add("@type", type.ToString());
cmd.Parameters.Add("@isdefault", isDefault);
MSSQLCEConn.ExecuteNonQuery(cmd);
tran.Commit();
}
Parent.CurrentUser.Cache.Uncache(ObjectLifetimeIdentifier.GetIdentifier(CacheObject.CardMedia, cardid));
}
