/// <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(Stream media, EMedia type, StatusMessageReportProgress rpu, object caller)
{
using (NpgsqlConnection conn = PostgreSQLConn.CreateConnection(Parent.CurrentUser))
{
NpgsqlTransaction tran = conn.BeginTransaction();
LargeObjectManager lbm = new LargeObjectManager(conn);
int noid = lbm.Create(LargeObjectManager.READWRITE);
LargeObject largeObject = lbm.Open(noid, LargeObjectManager.READWRITE);
byte[] buffer = new byte[media.Length];
media.Read(buffer, 0, (int)media.Length);
BufferToLargeObject(buffer, largeObject, rpu, caller);
largeObject.Close();
int newId = 0;
using (NpgsqlCommand cmd = conn.CreateCommand())
{
cmd.CommandText = "INSERT INTO \"MediaContent\" (data, media_type) VALUES (:data, :type) RETURNING id;";
cmd.Parameters.Add("data", noid);
cmd.Parameters.Add("type", type.ToString());
newId = Convert.ToInt32(PostgreSQLConn.ExecuteScalar(cmd, Parent.CurrentUser));
}
tran.Commit();
return(newId);
}
}
protected XmlMedia(XmlDictionary dictionary, EMedia mediaType, string filename, ParentClass parent)
{
this.parent = parent;
m_mediaIdentifier = mediaType;
m_oDictionary = dictionary;
m_filename = filename;
}
protected XmlMedia(XmlDictionary dictionary, EMedia mediaType, string filename, ParentClass parent)
{
this.parent = parent;
m_mediaIdentifier = mediaType;
m_oDictionary = dictionary;
m_filename = filename;
}
public PreviewMedia(EMedia type, string path, bool isActive, bool isDefault, bool isExample, ParentClass parent)
{
this.parent = parent;
this.mediatype = type;
this.filename = path;
this.active = isActive;
this._default = isDefault;
this.example = isExample;
}
/// <summary>
/// Copies the media to.
/// </summary>
/// <param name="target">The target.</param>
/// <remarks>Documented by Dev02, 2009-06-25</remarks>
private void CopyMediaTo(DbCardStyle target)
{
//mapping dictionary current id, new id
Dictionary <int, int> mediaMapping = new Dictionary <int, int>();
//copy media objects
foreach (int mediaId in connector.GetMediaForCardStyle(Id))
{
int newMediaId;
//fetch current media data
using (Stream mediaStream = mediaConnector.GetMediaStream(mediaId))
{
EMedia mediaType = mediaConnector.GetMediaType(mediaId);
Dictionary <MediaProperty, string> mediaProperties = mediaConnector.GetProperties(mediaId);
//copy to new
newMediaId = target.mediaConnector.CreateMedia(mediaStream, mediaType, delegate { return(false); }, null);
target.mediaConnector.SetProperties(newMediaId, mediaProperties);
}
//add
target.connector.AddMediaForCardStyle(target.Id, newMediaId);
mediaMapping[mediaId] = newMediaId;
}
//translate ids
ITextStyle[] styles = { target.xmlStyle.Question, target.xmlStyle.QuestionExample,
target.xmlStyle.Answer, target.xmlStyle.AnswerExample, target.xmlStyle.AnswerCorrect, target.xmlStyle.AnswerWrong };
foreach (ITextStyle style in styles)
{
string[] keys = new String[style.OtherElements.Keys.Count];
style.OtherElements.Keys.CopyTo(keys, 0);
foreach (string key in keys)
{
style.OtherElements[key] = cssUrlEntry.Replace(style.OtherElements[key], delegate(Match urlMatch)
{
return(replaceMediaIds.Replace(urlMatch.Groups[1].Value, delegate(Match mediaIdMatch)
{
int id = Convert.ToInt32(mediaIdMatch.Groups[1].Value);
if (mediaMapping.ContainsKey(id))
{
return string.Format(mediaPlaceHolder, mediaMapping[id]);
}
return urlMatch.Groups[0].Value;
}));
});
}
}
}
internal DbMedia(int id, int cardid, bool checkId, EMedia mediaIdentifier, Side side, WordType type, bool isDefault, bool isExample, ParentClass parent)
{
this.parent = parent;
if (checkId)
connector.CheckCardMediaId(id, cardid);
this.id = id;
this.cardid = cardid;
this.mediaIdentifier = mediaIdentifier;
this.side = side;
this.type = type;
this.isDefault = isDefault;
this.isExample = isExample;
}
public void ClearCardMedia(int cardid, Side side, WordType type, EMedia mediatype)
{
using (SqlCeCommand cmd = MSSQLCEConn.CreateCommand(Parent.CurrentUser))
{
cmd.CommandText = "DELETE FROM \"Cards_MediaContent\" WHERE cards_id=@cardid AND side=@side AND type=@type " +
"AND media_id IN (SELECT id FROM \"MediaContent\" WHERE media_type=@mediatype);";
cmd.Parameters.Add("@cardid", cardid);
cmd.Parameters.Add("@side", side.ToString());
cmd.Parameters.Add("@type", type.ToString());
cmd.Parameters.Add("@mediatype", mediatype.ToString());
cmd.ExecuteNonQuery();
}
Parent.CurrentUser.Cache.Uncache(ObjectLifetimeIdentifier.GetIdentifier(CacheObject.CardMedia, cardid));
}
internal DbMedia(int id, int cardid, bool checkId, EMedia mediaIdentifier, Side side, WordType type, bool isDefault, bool isExample, ParentClass parent)
{
this.parent = parent;
if (checkId)
{
connector.CheckCardMediaId(id, cardid);
}
this.id = id;
this.cardid = cardid;
this.mediaIdentifier = mediaIdentifier;
this.side = side;
this.type = type;
this.isDefault = isDefault;
this.isExample = isExample;
}
/// <summary>
/// Creates a disconnected card media object.
/// </summary>
/// <param name="id">The id of the media.</param>
/// <param name="mediaIdentifier">The media type identifier.</param>
/// <param name="isDefault">if set to <c>true</c> [is default].</param>
/// <param name="isExample">if set to <c>true</c> [is example].</param>
/// <param name="parent">The parent.</param>
/// <returns></returns>
/// <remarks>
/// Documented by AAB, 6.8.2008.
/// </remarks>
internal static IMedia CreateDisconnectedCardMedia(int id, EMedia mediaIdentifier, bool isDefault, bool isExample, ParentClass parent)
{
switch (mediaIdentifier)
{
case EMedia.Audio:
return(new DbAudio(id, -1, false, Side.Answer, WordType.Word, isDefault, isExample, parent));
case EMedia.Image:
return(new DbImage(id, -1, false, Side.Answer, WordType.Word, isDefault, isExample, parent));
case EMedia.Video:
return(new DbVideo(id, -1, false, Side.Answer, WordType.Word, isDefault, isExample, parent));
default:
throw new ArgumentException("Invalid EMedia type.");
}
}
public void ClearCardMedia(int cardid, Side side, WordType type, EMedia mediatype)
{
using (NpgsqlConnection con = PostgreSQLConn.CreateConnection(Parent.CurrentUser))
{
using (NpgsqlCommand cmd = con.CreateCommand())
{
cmd.CommandText = "DELETE FROM \"Cards_MediaContent\" WHERE cards_id=:cardid AND side=:side AND type=:type " +
"AND media_id IN (SELECT id FROM \"MediaContent\" WHERE media_type=:mediatype);";
cmd.Parameters.Add("cardid", cardid);
cmd.Parameters.Add("side", side.ToString());
cmd.Parameters.Add("type", type.ToString());
cmd.Parameters.Add("mediatype", mediatype.ToString());
cmd.ExecuteNonQuery();
}
}
Parent.CurrentUser.Cache.Uncache(ObjectLifetimeIdentifier.GetIdentifier(CacheObject.CardMedia, cardid));
}
/// <summary>
/// Checks if there is a media from the given type in the list
/// </summary>
/// <param name="mediaList">The media list.</param>
/// <param name="mediaType">Type of the media.</param>
/// <returns></returns>
/// <remarks>Documented by Dev08, 2009-07-16</remarks>
private bool ExistsMedia(IList <IMedia> mediaList, EMedia mediaType)
{
if (mediaList.Count == 0)
{
return(false);
}
bool mediaFound = false;
foreach (IMedia media in mediaList)
{
if (media.MediaType == mediaType)
{
mediaFound = true;
break;
}
}
return(mediaFound);
}
/// <summary>
/// Gets the Media.
/// </summary>
/// <param name="card">The card.</param>
/// <param name="side">The side.</param>
/// <param name="type">The type.</param>
/// <param name="donotChange">if set to <c>true</c> do not change the direction.</param>
/// <returns></returns>
/// <remarks>Documented by Dev05, 2008-08-06</remarks>
private IMedia GetMedia(ICard card, Side side, EMedia type, bool donotChange)
{
if (dictionary.CurrentQueryDirection == EQueryDirection.Answer2Question && !donotChange)
{
if (side == Side.Question)
{
side = Side.Answer;
}
else
{
side = Side.Question;
}
}
switch (side)
{
case Side.Question:
foreach (IMedia media in card.QuestionMedia)
{
if (media.MediaType == type)
{
return(media);
}
}
break;
case Side.Answer:
foreach (IMedia media in card.AnswerMedia)
{
if (media.MediaType == type)
{
return(media);
}
}
break;
}
return(null);
}
/// <summary>
/// Creates the new media object.
/// </summary>
/// <param name="type">The type.</param>
/// <param name="path">The path.</param>
/// <param name="isActive">if set to <c>true</c> [is active].</param>
/// <param name="isDefault">if set to <c>true</c> [is default].</param>
/// <param name="isExample">if set to <c>true</c> [is example].</param>
/// <returns></returns>
/// <remarks>Documented by Dev03, 2009-03-23</remarks>
public static IMedia CreateNewMediaObject(EMedia type, string path, bool isActive, bool isDefault, bool isExample)
{
IMedia media;
switch (type)
{
case EMedia.Audio:
media = new PreviewAudio(path, isActive, isDefault, isExample, null);
break;
case EMedia.Image:
media = new PreviewImage(path, isActive, isDefault, isExample, null);
break;
case EMedia.Video:
media = new PreviewVideo(path, isActive, isDefault, isExample, null);
break;
default:
media = new PreviewMedia(type, path, isActive, isDefault, isExample, null);
break;
}
return(media);
}
/// <summary>
/// Creates a disconnected card media object.
/// </summary>
/// <param name="id">The id of the media.</param>
/// <param name="mediaIdentifier">The media type identifier.</param>
/// <param name="isDefault">if set to <c>true</c> [is default].</param>
/// <param name="isExample">if set to <c>true</c> [is example].</param>
/// <returns></returns>
/// <remarks>Documented by Dev03, 2008-08-06</remarks>
internal IMedia CreateDisconnectedCardMedia(int id, EMedia mediaIdentifier, bool isDefault, bool isExample)
{
switch (mediaIdentifier)
{
case EMedia.Audio:
return new DbAudio(id, -1, false, Side.Answer, WordType.Word, isDefault, isExample, parent);
case EMedia.Image:
return new DbImage(id, -1, false, Side.Answer, WordType.Word, isDefault, isExample, parent);
case EMedia.Video:
return new DbVideo(id, -1, false, Side.Answer, WordType.Word, isDefault, isExample, parent);
default:
throw new ArgumentException("Invalid EMedia type.");
}
}
protected XmlMedia(EMedia mediaType, string filename, ParentClass parent)
{
this.parent = parent;
m_mediaIdentifier = mediaType;
m_filename = filename;
}
/// <summary>
/// Creates the media object.
/// </summary>
/// <param name="type">The type.</param>
/// <param name="path">The path.</param>
/// <param name="isActive">if set to <c>true</c> [is active].</param>
/// <param name="isDefault">if set to <c>true</c> [is default audio].</param>
/// <param name="isExample">if set to <c>true</c> [is example audio].</param>
/// <returns>A media object that implements IMedia.</returns>
/// <remarks>Documented by Dev03, 2007-08-07</remarks>
public IMedia CreateMedia(EMedia type, string path, bool isActive, bool isDefault, bool isExample)
{
return (parent.GetParentDictionary() as XmlDictionary).CreateNewMediaObject(type, path, isActive, isDefault, isExample);
}
/// <summary>
/// Adds the Media to the spezified card.
/// </summary>
/// <param name="cardID">The card ID.</param>
/// <param name="filename">The filename.</param>
/// <param name="type">The type.</param>
/// <param name="side">The side.</param>
/// <param name="active">if set to <c>true</c> the file is active.</param>
/// <param name="standard">if set to <c>true</c> the file is the default file.</param>
/// <param name="example">if set to <c>true</c> the file is the example.</param>
/// <remarks>Documented by Dev05, 2007-09-03</remarks>
public void AddMedia(int cardID, string filename, EMedia type, Side side, bool active, bool standard, bool example)
{
ICard card = cards.Get(cardID);
card.AddMedia(card.CreateMedia(type, filename, active, standard, example), side);
}
/// <summary>
/// Gets the Media.
/// </summary>
/// <param name="card">The card.</param>
/// <param name="side">The side.</param>
/// <param name="type">The type.</param>
/// <param name="donotChange">if set to <c>true</c> do not change the direction.</param>
/// <returns></returns>
/// <remarks>Documented by Dev05, 2008-08-06</remarks>
private IMedia GetMedia(ICard card, Side side, EMedia type, bool donotChange)
{
if (dictionary.CurrentQueryDirection == EQueryDirection.Answer2Question && !donotChange)
{
if (side == Side.Question)
side = Side.Answer;
else
side = Side.Question;
}
switch (side)
{
case Side.Question:
foreach (IMedia media in card.QuestionMedia)
{
if (media.MediaType == type)
return media;
}
break;
case Side.Answer:
foreach (IMedia media in card.AnswerMedia)
{
if (media.MediaType == type)
return media;
}
break;
}
return null;
}
/// <summary>
/// Creates a new media object.
/// </summary>
/// <param name="type">The type.</param>
/// <param name="path">The path.</param>
/// <param name="isActive">if set to <c>true</c> [is active].</param>
/// <param name="isDefault">if set to <c>true</c> [is default].</param>
/// <param name="isExample">if set to <c>true</c> [is example].</param>
/// <returns></returns>
/// <remarks>Documented by Dev02, 2008-08-11</remarks>
/// <remarks>Documented by Dev03, 2008-12-03</remarks>
public IMedia CreateMedia(EMedia type, string path, bool isActive, bool isDefault, bool isExample)
{
throw new Exception("The method or operation is not implemented.");
}
private IList <int> GetCardMedia(int cardid, Side side, WordType?type)
{
IList <int> ids = new List <int>();
IList <IMedia> mediaList = Parent.CurrentUser.Cache[ObjectLifetimeIdentifier.GetIdentifier(CacheObject.CardMedia, cardid)] as IList <IMedia>;
if (mediaList != null)
{
foreach (DbMedia cms in mediaList)
{
if (cms.Side == side && (!type.HasValue || cms.Type == type))
{
ids.Add(cms.Id);
}
}
return(ids);
}
using (NpgsqlConnection con = PostgreSQLConn.CreateConnection(Parent.CurrentUser))
{
using (NpgsqlCommand cmd = con.CreateCommand())
{
cmd.CommandText = "SELECT id, media_type,side,type,is_default FROM \"Cards_MediaContent\" JOIN \"MediaContent\" ON media_id=id WHERE cards_id=:cardid;";
cmd.Parameters.Add("cardid", cardid);
NpgsqlDataReader reader = PostgreSQLConn.ExecuteReader(cmd, Parent.CurrentUser);
mediaList = new List <IMedia>();
while (reader.Read())
{
IMedia newMedia = null;
int id = Convert.ToInt32(reader["id"]);
EMedia mtype = (EMedia)Enum.Parse(typeof(EMedia), Convert.ToString(reader["media_type"]));
Side cside = (Side)Enum.Parse(typeof(Side), Convert.ToString(reader["side"]));
WordType wordtype = (WordType)Enum.Parse(typeof(WordType), Convert.ToString(reader["type"]));
bool isDefault = Convert.ToBoolean(reader["is_default"]);
switch (mtype)
{
case EMedia.Audio:
newMedia = new DbAudio(id, cardid, false, cside, wordtype, isDefault, (wordtype == WordType.Sentence), Parent);
break;
case EMedia.Image:
newMedia = new DbImage(id, cardid, false, cside, wordtype, isDefault, (wordtype == WordType.Sentence), Parent);
break;
case EMedia.Video:
newMedia = new DbVideo(id, cardid, false, cside, wordtype, isDefault, (wordtype == WordType.Sentence), Parent);
break;
}
mediaList.Add(newMedia);
if ((newMedia as DbMedia).Side == side && (!type.HasValue || (newMedia as DbMedia).Type == type))
{
ids.Add((newMedia as DbMedia).Id);
}
}
Parent.CurrentUser.Cache[ObjectLifetimeIdentifier.Create(CacheObject.CardMedia, cardid)] = mediaList;
return(ids);
}
}
}
/// <summary>
/// Creates the new media object.
/// </summary>
/// <param name="type">The type.</param>
/// <param name="path">The path.</param>
/// <param name="isActive">if set to <c>true</c> [is active].</param>
/// <param name="isDefault">if set to <c>true</c> [is default].</param>
/// <param name="isExample">if set to <c>true</c> [is example].</param>
/// <returns></returns>
/// <remarks>Documented by Dev03, 2009-03-23</remarks>
public static IMedia CreateNewMediaObject(EMedia type, string path, bool isActive, bool isDefault, bool isExample)
{
IMedia media;
switch (type)
{
case EMedia.Audio:
media = new PreviewAudio(path, isActive, isDefault, isExample, null);
break;
case EMedia.Image:
media = new PreviewImage(path, isActive, isDefault, isExample, null);
break;
case EMedia.Video:
media = new PreviewVideo(path, isActive, isDefault, isExample, null);
break;
default:
media = new PreviewMedia(type, path, isActive, isDefault, isExample, null);
break;
}
return media;
}
public void SetCardMedia(int id, int cardid, Side side, WordType type, bool isDefault, EMedia mediatype)
{
using (NpgsqlConnection con = PostgreSQLConn.CreateConnection(Parent.CurrentUser))
{
NpgsqlTransaction tran = con.BeginTransaction();
ClearCardMedia(cardid, side, type, mediatype);
using (NpgsqlCommand cmd = con.CreateCommand())
{
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);
PostgreSQLConn.ExecuteNonQuery(cmd, Parent.CurrentUser);
}
tran.Commit();
Parent.CurrentUser.Cache.Uncache(ObjectLifetimeIdentifier.GetIdentifier(CacheObject.CardMedia, cardid));
}
}
/// <summary>
/// Creates a new media object.
/// </summary>
/// <param name="type">The type.</param>
/// <param name="path">The path.</param>
/// <param name="isActive">if set to <c>true</c> [is active].</param>
/// <param name="isDefault">if set to <c>true</c> [is default].</param>
/// <param name="isExample">if set to <c>true</c> [is example].</param>
/// <returns></returns>
internal IMedia CreateNewMediaObject(EMedia type, string path, bool isActive, bool isDefault, bool isExample)
{
IMedia media;
Uri uri;
if (path == null)
throw new ArgumentNullException("Null value not allowed for media file path!");
try
{
uri = new Uri(path);
}
catch (UriFormatException exception)
{
throw new FileNotFoundException("Uri format is invalid.", exception);
}
if (uri.Scheme == "http" && uri.IsLoopback)
{
//download the file
WebClient client = new WebClient();
byte[] buffer = client.DownloadData(uri);
string extension = System.IO.Path.GetExtension(uri.ToString()); //the uri must contain the file extension
path = FileCleanupQueue.GetTempFilePath(extension);
File.WriteAllBytes(path, buffer);
}
if ((path.Trim().Length == 0) || !File.Exists(path))
throw new FileNotFoundException("The media file does not exist at the given location!");
switch (type)
{
case EMedia.Video:
media = new XmlVideo(path, isActive, parent);
break;
case EMedia.Image:
media = new XmlImage(path, isActive, parent);
break;
case EMedia.Audio:
default:
media = new XmlAudio(path, isActive, isDefault, isExample, parent);
break;
}
return media;
}
/// <summary>
/// Creates a new media object.
/// </summary>
/// <param name="caller">The calling object.</param>
/// <param name="rpu">A delegate of the type StatusMessageReportProgress.</param>
/// <param name="type">The type.</param>
/// <param name="path">The path.</param>
/// <param name="isActive">if set to <c>true</c> [is active].</param>
/// <param name="isDefault">if set to <c>true</c> [is default].</param>
/// <param name="isExample">if set to <c>true</c> [is example].</param>
/// <returns></returns>
/// <remarks>Documented by Dev02, 2008-08-11</remarks>
internal IMedia CreateNewMediaObject(object caller, StatusMessageReportProgress rpu, EMedia type, string path, bool isActive, bool isDefault, bool isExample)
{
IMedia media = null;
Uri uri;
if (!this.HasPermission(PermissionTypes.CanModifyMedia))
{
throw new PermissionException();
}
if (path == null)
{
throw new ArgumentNullException("Null value not allowed for media file path!");
}
try
{
if (File.Exists(Path.Combine(Environment.CurrentDirectory, path))) //to allow relative paths
{
path = Path.Combine(Environment.CurrentDirectory, path);
}
uri = new Uri(path);
}
catch (UriFormatException exception)
{
throw new FileNotFoundException("Uri format is invalid.", exception);
}
if (uri.Scheme == Uri.UriSchemeFile && uri.IsFile) //we got a new file
{
if (File.Exists(path))
{
int newid;
using (FileStream stream = File.Open(path, FileMode.Open, FileAccess.Read, FileShare.Read))
newid = mediaconnector.CreateMedia(stream, type, rpu, caller);
media = DbMedia.CreateDisconnectedCardMedia(newid, type, isDefault, isExample, parent);
Helper.UpdateMediaProperties(path, newid, mediaconnector);
}
else
{
throw new FileNotFoundException("Media file could not be found.", path);
}
}
else if (uri.Scheme == "http" && uri.IsLoopback) //we got a http reference => file is already in db
{
if (DbMediaServer.DbMediaServer.Instance(parent).IsYours(uri))
{
int mediaId = DbMediaServer.DbMediaServer.GetMediaID(uri.AbsolutePath);
media = DbMedia.CreateDisconnectedCardMedia(mediaId, type, isDefault, isExample, parent);
rpu(new StatusMessageEventArgs(StatusMessageType.CreateMediaProgress, 100, 100), caller);
}
else
{
DbMediaServer.DbMediaServer server = DbMediaServer.DbMediaServer.Instance(uri);
int newid = mediaconnector.CreateMedia(GetMediaConnector(server.Parent).GetMediaStream(DbMediaServer.DbMediaServer.GetMediaID(uri.AbsolutePath)), type, rpu, caller);
media = DbMedia.CreateDisconnectedCardMedia(newid, type, isDefault, isExample, parent);
Helper.UpdateMediaProperties(path, newid, mediaconnector);
}
}
return(media);
}
public void ClearCardMedia(int cardid, Side side, WordType type, EMedia mediatype)
{
using (SqlCeCommand cmd = MSSQLCEConn.CreateCommand(Parent.CurrentUser))
{
cmd.CommandText = "DELETE FROM \"Cards_MediaContent\" WHERE cards_id=@cardid AND side=@side AND type=@type " +
"AND media_id IN (SELECT id FROM \"MediaContent\" WHERE media_type=@mediatype);";
cmd.Parameters.Add("@cardid", cardid);
cmd.Parameters.Add("@side", side.ToString());
cmd.Parameters.Add("@type", type.ToString());
cmd.Parameters.Add("@mediatype", mediatype.ToString());
cmd.ExecuteNonQuery();
}
Parent.CurrentUser.Cache.Uncache(ObjectLifetimeIdentifier.GetIdentifier(CacheObject.CardMedia, cardid));
}
/// <summary>
/// Creates a new media object.
/// </summary>
/// <param name="type">The type.</param>
/// <param name="path">The path.</param>
/// <param name="isActive">if set to <c>true</c> [is active].</param>
/// <param name="isDefault">if set to <c>true</c> [is default].</param>
/// <param name="isExample">if set to <c>true</c> [is example].</param>
/// <returns></returns>
/// <remarks>Documented by Dev02, 2008-08-11</remarks>
/// <remarks>Documented by Dev03, 2008-12-03</remarks>
public IMedia CreateMedia(EMedia type, string path, bool isActive, bool isDefault, bool isExample)
{
throw new Exception("The method or operation is not implemented.");
}
/// <summary>
/// Adds the Media to the spezified card.
/// </summary>
/// <param name="cardID">The card ID.</param>
/// <param name="filename">The filename.</param>
/// <param name="type">The type.</param>
/// <param name="side">The side.</param>
/// <param name="active">if set to <c>true</c> the file is active.</param>
/// <param name="standard">if set to <c>true</c> the file is the default file.</param>
/// <param name="example">if set to <c>true</c> the file is the example.</param>
/// <remarks>Documented by Dev05, 2007-09-03</remarks>
public void AddMedia(int cardID, string filename, EMedia type, Side side, bool active, bool standard, bool example)
{
ICard card = cards.Get(cardID);
card.AddMedia(card.CreateMedia(type, filename, active, standard, example), side);
}
/// <summary>
/// Loads dictionary from the old database format (ODF) and stores it to the current format.
/// </summary>
/// <param name="srcFile">The source database file.</param>
/// <param name="dstFile">The destination database file.</param>
/// <remarks>Documented by Dev03, 2007-07-26</remarks>
public MLifter.DAL.Interfaces.IDictionary Load(string srcFile, string dstFile)
{
MLifter.DAL.Interfaces.IDictionary dictionary = null;
int wbVersion;
#if !DEBUG
try
{
#endif
string srcPath = Path.GetDirectoryName(srcFile);
_rBox_[] box_data = new _rBox_[0];
_rChapter_[] chapter_data = new _rChapter_[0];
_rCards_[] cards_data = new _rCards_[0];
_rBoxes_[] boxes_data = new _rBoxes_[0];
_rBlob_[] blob_data = new _rBlob_[0];
_rStats_[] stats_data = new _rStats_[0];
string headerstr = string.Empty;
UInt16 ssize;
int len, rsize;
using (FileStream DicFile = new FileStream(srcFile, FileMode.Open))
{
BinaryReader Dic = new BinaryReader(DicFile, System.Text.UnicodeEncoding.UTF8);
// Check header first
len = Dic.ReadInt32();
if (len < 30)
{
headerstr = byte2string(Dic.ReadBytes(len));
}
else
{
headerstr = string.Empty;
}
// Check version byte
wbVersion = Dic.ReadInt16();
// Some code to correct "bugs" in previous dictionary versions
if (wbVersion <= 0x0104)
{
throw new DictionaryFormatNotSupported(wbVersion);
}
// Header has to be okay, and Version smaller than prog's version
if (headerstr.Equals(m_odfFileHeaderString) && (wbVersion <= m_oldFileVersion))
{
if (File.Exists(dstFile))
{
throw new DictionaryPathExistsException(dstFile);
}
IUser user = UserFactory.Create(m_loginCallback, new ConnectionStringStruct(DatabaseType.Xml, dstFile, false),
(DataAccessErrorDelegate) delegate { return; }, this);
dictionary = user.Open();
len = Dic.ReadByte();
dictionary.DefaultSettings.QuestionCaption = byte2string(Dic.ReadBytes(20)).Substring(0, len);
len = Dic.ReadByte();
dictionary.DefaultSettings.AnswerCaption = byte2string(Dic.ReadBytes(20)).Substring(0, len);
Dic.ReadBytes(82); //SrcFont & DstFont
Dic.ReadBytes(2); //SrcCharSet & DstCharSet
Dic.ReadBoolean(); //ReadOnly
ssize = Dic.ReadUInt16();
dictionary.Author = byte2string(Dic.ReadBytes(ssize));
ssize = Dic.ReadUInt16();
dictionary.Description = byte2string(Dic.ReadBytes(ssize));
if (wbVersion >= 0x0104)
{
ssize = Dic.ReadUInt16();
string mediafolder = byte2string(Dic.ReadBytes(ssize)).TrimEnd(new char[] { Path.DirectorySeparatorChar });
if (Directory.Exists(mediafolder))
{
dictionary.MediaDirectory = mediafolder;
}
}
if (wbVersion >= 0x0107)
{
for (int i = 0; i < 12; i++)
{
ssize = Dic.ReadUInt16();
dictionary.DefaultSettings.CommentarySounds[CommentarySoundIdentifier.Create(i > 6 ? Side.Answer : Side.Question,
(ECommentarySoundType)(i > 6 ? i - 6 : i))] =
new MLifter.DAL.XML.XmlAudio(SkinDir2RealDir(byte2string(Dic.ReadBytes(ssize)), Path.GetDirectoryName(dstFile), m_applicationPath),
new MLifter.DAL.Tools.ParentClass(user, dictionary));
}
}
if (wbVersion >= 0x0108)
{
Dic.ReadBytes(10); //Pwd
}
if (wbVersion >= 0x0109)
{
dictionary.Category = new Category((int)Dic.ReadByte(), false);
}
else
{
dictionary.Category = new Category(m_defaultCategory, true);
}
(dictionary as MLifter.DAL.XML.XmlDictionary).score = Dic.ReadInt32();
dictionary.HighScore = Dic.ReadInt32();
int queryChapter = 0;
rsize = Dic.ReadInt32();
dictionary.DefaultSettings.SelectedLearnChapters.Clear();
for (int i = 0; i < rsize; i++)
{
queryChapter = Math.Abs(Dic.ReadInt32()); // BUG?? what is the minus for??
if (queryChapter < 0) //chapterID starts with 1, should be zero-based
{
queryChapter++;
}
else
{
queryChapter--;
}
dictionary.DefaultSettings.SelectedLearnChapters.Add(queryChapter);
}
Dic.ReadUInt16(); //the LastBox user property is not used anymore
EQueryDirection dir = (EQueryDirection)Dic.ReadByte();
switch (dir)
{
case EQueryDirection.Question2Answer:
dictionary.DefaultSettings.QueryDirections.Question2Answer = true;
break;
case EQueryDirection.Answer2Question:
dictionary.DefaultSettings.QueryDirections.Answer2Question = true;
break;
case EQueryDirection.Mixed:
dictionary.DefaultSettings.QueryDirections.Mixed = true;
break;
}
int queryType = Convert.ToInt32(Dic.ReadByte());
dictionary.DefaultSettings.QueryTypes.ImageRecognition = ((((int)EQueryType.ImageRecognition) & queryType) > 0);
dictionary.DefaultSettings.QueryTypes.ListeningComprehension = ((((int)EQueryType.ListeningComprehension) & queryType) > 0);
dictionary.DefaultSettings.QueryTypes.MultipleChoice = ((((int)EQueryType.MultipleChoice) & queryType) > 0);
dictionary.DefaultSettings.QueryTypes.Sentence = ((((int)EQueryType.Sentences) & queryType) > 0);
dictionary.DefaultSettings.QueryTypes.Word = ((((int)EQueryType.Word) & queryType) > 0);
int queryOptions;
if (wbVersion >= 0x0103)
{
queryOptions = Convert.ToInt32(Dic.ReadUInt16());
}
else
{
queryOptions = Convert.ToInt32(Dic.ReadByte());
}
dictionary.DefaultSettings.CaseSensitive = ((((int)EQueryOption.CaseSensitive) & queryOptions) > 0);
dictionary.DefaultSettings.EnableTimer = ((((int)EQueryOption.CountDown) & queryOptions) > 0);
dictionary.DefaultSettings.ShowStatistics = ((((int)EQueryOption.Stats) & queryOptions) > 0);
dictionary.DefaultSettings.ShowImages = ((((int)EQueryOption.Images) & queryOptions) > 0);
dictionary.DefaultSettings.AutoplayAudio = ((((int)EQueryOption.Sounds) & queryOptions) > 0);
dictionary.DefaultSettings.EnableCommentary = ((((int)EQueryOption.Commentary) & queryOptions) > 0);
dictionary.DefaultSettings.CorrectOnTheFly = ((((int)EQueryOption.Correct) & queryOptions) > 0);
dictionary.DefaultSettings.SkipCorrectAnswers = ((((int)EQueryOption.Skip) & queryOptions) > 0);
dictionary.DefaultSettings.SelfAssessment = ((((int)EQueryOption.Self) & queryOptions) > 0);
dictionary.DefaultSettings.RandomPool = ((((int)EQueryOption.RandomPool) & queryOptions) > 0);
dictionary.DefaultSettings.ConfirmDemote = ((((int)EQueryOption.ConfirmDemote) & queryOptions) > 0);
if (wbVersion >= 0x0101)
{
EGradeSynonyms gradeS = (EGradeSynonyms)Dic.ReadByte();
switch (gradeS)
{
case EGradeSynonyms.AllKnown:
dictionary.DefaultSettings.GradeSynonyms.AllKnown = true;
break;
case EGradeSynonyms.HalfKnown:
dictionary.DefaultSettings.GradeSynonyms.HalfKnown = true;
break;
case EGradeSynonyms.OneKnown:
dictionary.DefaultSettings.GradeSynonyms.OneKnown = true;
break;
case EGradeSynonyms.FirstKnown:
dictionary.DefaultSettings.GradeSynonyms.FirstKnown = true;
break;
case EGradeSynonyms.Prompt:
dictionary.DefaultSettings.GradeSynonyms.Prompt = true;
break;
}
}
else
{
dictionary.DefaultSettings.GradeSynonyms.OneKnown = true;
}
dictionary.DefaultSettings.PoolEmptyMessageShown = Dic.ReadBoolean();
dictionary.DefaultSettings.UseLMStylesheets = false;
ssize = Dic.ReadUInt16();
Dic.ReadBytes(ssize); //Skin
Dic.ReadBoolean(); //UseSkin
string stripchars = String.Empty;
if (wbVersion >= 0x0102)
{
byte[] temp = Dic.ReadBytes(32);
for (int i = 0; i < 8; i++)
{
for (int j = 0; j < 8; j++)
{
if ((temp[i] & (0x0001 << j)) > 0)
{
stripchars += (char)(i * 8 + j);
}
}
}
dictionary.DefaultSettings.StripChars = stripchars;
}
EGradeTyping gradeT = (EGradeTyping)Dic.ReadByte();
switch (gradeT)
{
case EGradeTyping.AllCorrect:
dictionary.DefaultSettings.GradeTyping.AllCorrect = true;
break;
case EGradeTyping.HalfCorrect:
dictionary.DefaultSettings.GradeTyping.HalfCorrect = true;
break;
case EGradeTyping.NoneCorrect:
dictionary.DefaultSettings.GradeTyping.NoneCorrect = true;
break;
case EGradeTyping.Prompt:
dictionary.DefaultSettings.GradeTyping.Prompt = true;
break;
default:
break;
}
if ((((int)ESnoozeMode.QuitProgram) & queryOptions) > 0)
{
dictionary.DefaultSettings.SnoozeOptions.SnoozeMode = ESnoozeMode.QuitProgram;
}
if ((((int)ESnoozeMode.SendToTray) & queryOptions) > 0)
{
dictionary.DefaultSettings.SnoozeOptions.SnoozeMode = ESnoozeMode.SendToTray;
}
if (!ReportProgressUpdate(5))
{
return(null);
}
if (wbVersion >= 0x0103)
{
int snoozeTime = Convert.ToInt32(Dic.ReadByte());
int snoozeRights = Convert.ToInt32(Dic.ReadByte());
int snoozeCards = Convert.ToInt32(Dic.ReadByte());
int snoozeTimeLow = Convert.ToInt32(Dic.ReadByte());
int snoozeTimeHigh = Convert.ToInt32(Dic.ReadByte());
if ((((int)ESnoozeMode.Time) & queryType) > 0)
{
dictionary.DefaultSettings.SnoozeOptions.EnableTime(snoozeTime);
}
if ((((int)ESnoozeMode.Rights) & queryType) > 0)
{
dictionary.DefaultSettings.SnoozeOptions.EnableRights(snoozeRights);
}
if ((((int)ESnoozeMode.Cards) & queryType) > 0)
{
dictionary.DefaultSettings.SnoozeOptions.EnableCards(snoozeCards);
}
dictionary.DefaultSettings.SnoozeOptions.SetSnoozeTimes(snoozeTimeLow, snoozeTimeHigh);
}
//box_data -> user
rsize = Dic.ReadInt32();
box_data = (_rBox_[])SetLength(box_data, rsize);
for (int i = 0; i < box_data.Length; i++)
{
box_data[i] = new _rBox_();
box_data[i].First = Dic.ReadInt32();
Dic.ReadInt32(); // box_data[i].Last
if (i < box_data.Length - 2)
{
dictionary.Boxes.Box[i].MaximalSize = Dic.ReadInt32();
}
else
{
Dic.ReadInt32(); //MaxLen for the last two boxes - not needed
}
if (wbVersion > 0x0106)
{
Dic.ReadInt32(); // box_data[i].Len
}
}
// end of user -----------------------------------------------------------------
if (!ReportProgressUpdate(10))
{
return(null);
}
//chapter_data
rsize = Dic.ReadInt32();
chapter_data = (_rChapter_[])SetLength(chapter_data, rsize);
for (int i = 0; i < chapter_data.Length; i++)
{
chapter_data[i] = new _rChapter_();
Dic.ReadUInt16(); //ID
Dic.ReadUInt16(); // SubID
len = Dic.ReadByte();
chapter_data[i].Title = byte2string(Dic.ReadBytes(30)).Substring(0, len);
len = Dic.ReadByte();
chapter_data[i].Description = byte2string(Dic.ReadBytes(256)).Substring(0, len);
}
if (!ReportProgressUpdate(15))
{
return(null);
}
//cards_data
rsize = Dic.ReadInt32();
cards_data = (_rCards_[])SetLength(cards_data, rsize);
for (int i = 0; i < cards_data.Length; i++)
{
cards_data[i] = new _rCards_();
ssize = Dic.ReadUInt16();
cards_data[i].Src.SpecialImportFormat = byte2string(Dic.ReadBytes(ssize));
ssize = Dic.ReadUInt16();
cards_data[i].Dst.SpecialImportFormat = byte2string(Dic.ReadBytes(ssize));
ssize = Dic.ReadUInt16();
cards_data[i].SentSrc = byte2string(Dic.ReadBytes(ssize));
ssize = Dic.ReadUInt16();
cards_data[i].SentDst = byte2string(Dic.ReadBytes(ssize));
cards_data[i].ChapterID = Dic.ReadUInt16() - 1; //chapterID starts with 1, should be zero-based
cards_data[i].CardParts = Dic.ReadByte();
if (wbVersion >= 0x0107)
{
Dic.ReadByte(); // Probability
}
}
if (!ReportProgressUpdate(20))
{
return(null);
}
//boxes_data
rsize = Dic.ReadInt32();
boxes_data = (_rBoxes_[])SetLength(boxes_data, rsize);
for (int i = 0; i < boxes_data.Length; i++)
{
boxes_data[i] = new _rBoxes_();
boxes_data[i].BoxID = Dic.ReadByte();
Dic.ReadBytes(3); //TODO BUG ?
boxes_data[i].CardID = Dic.ReadInt32();
boxes_data[i].Prior = Dic.ReadInt32();
boxes_data[i].Next = Dic.ReadInt32();
}
if (!ReportProgressUpdate(25))
{
return(null);
}
//blob_data
rsize = Dic.ReadInt32();
blob_data = (_rBlob_[])SetLength(blob_data, rsize);
for (int i = 0; i < blob_data.Length; i++)
{
blob_data[i] = new _rBlob_();
blob_data[i].SrcDst = (TBlobType)Dic.ReadByte();
len = Dic.ReadByte();
string tstr = byte2string(Dic.ReadBytes(101));
blob_data[i].Link = tstr.Substring(0, len);
blob_data[i].Link = blob_data[i].Link.Replace('/', '\\'); // repair work
blob_data[i].Link = blob_data[i].Link.Replace("\\\\", "\\"); // repair work
Dic.ReadByte();
blob_data[i].CardID = Dic.ReadInt32();
}
if (!ReportProgressUpdate(30))
{
return(null);
}
//stats_data
rsize = Dic.ReadInt32();
stats_data = (_rStats_[])SetLength(stats_data, rsize);
for (int i = 0; i < stats_data.Length; i++)
{
stats_data[i] = new _rStats_(m_nrBox);
stats_data[i].SStart = new System.DateTime(1899, 12, 30, 0, 0, 0); // startdate in delphi
stats_data[i].SStart = stats_data[i].SStart.AddDays(Dic.ReadDouble());
stats_data[i].SEnd = new System.DateTime(1899, 12, 30, 0, 0, 0); // startdate in delphi
stats_data[i].SEnd = stats_data[i].SEnd.AddDays(Dic.ReadDouble());
stats_data[i].Right = Dic.ReadInt32();
stats_data[i].Wrong = Dic.ReadInt32();
for (int j = 0; j < m_nrBox; j++)
{
stats_data[i].Boxes[j] = Dic.ReadInt32();
}
}
if (!ReportProgressUpdate(35))
{
return(null);
}
//chapters
for (int i = 0; i < chapter_data.Length; i++)
{
IChapter chapter = dictionary.Chapters.AddNew();
//chapter.Id = i; //Interface change
chapter.Title = chapter_data[i].Title;
chapter.Description = chapter_data[i].Description;
}
if (!ReportProgressUpdate(40))
{
return(null);
}
//cards
for (int i = 0; i < cards_data.Length; i++)
{
if ((i % 10) == 0)
{
int progress = (int)Math.Floor(35.0 + ((90.0 - 35.0) * (i + 1) / cards_data.Length));
if (!ReportProgressUpdate(progress))
{
return(null);
}
}
ICard card = dictionary.Cards.AddNew();
//card.Id = i; //Interface change
StringList words = new StringList();
words.CommaText = cards_data[i].Src.CommaText;
for (int k = 0; k < words.Count; k++)
{
IWord word = card.Question.CreateWord(words[k], WordType.Word, (k == 0));
card.Question.AddWord(word);
}
card.QuestionExample.AddWord(card.QuestionExample.CreateWord(cards_data[i].SentSrc, WordType.Sentence, false));
words.CommaText = cards_data[i].Dst.CommaText;
for (int k = 0; k < words.Count; k++)
{
IWord word = card.Answer.CreateWord(words[k], WordType.Word, (k == 0));
card.Answer.AddWord(word);
}
card.AnswerExample.AddWord(card.AnswerExample.CreateWord(cards_data[i].SentDst, WordType.Sentence, false));
card.Chapter = cards_data[i].ChapterID;
card.Box = 0;
card.Timestamp = DateTime.Now;
for (int j = 0; j < blob_data.Length; j++)
{
if (blob_data[j].CardID == i)
{
if (File.Exists(Path.Combine(srcPath, blob_data[j].Link)))
{
blob_data[j].Link = Path.Combine(srcPath, blob_data[j].Link);
if (blob_data[j].SrcDst.ToString().Equals("image"))
{
IMedia media = card.CreateMedia(EMedia.Image, blob_data[j].Link, true, false, false);
card.AddMedia(media, Side.Question);
card.AddMedia(media, Side.Answer);
}
else
{
IMedia media = null;
Side side = Side.Question;
switch (blob_data[j].SrcDst.ToString())
{
case "questionaudio":
media = card.CreateMedia(EMedia.Audio, blob_data[j].Link, true, true, false);
side = Side.Question;
break;
case "questionexampleaudio":
media = card.CreateMedia(EMedia.Audio, blob_data[j].Link, true, false, true);
side = Side.Question;
break;
case "questionvideo":
media = card.CreateMedia(EMedia.Video, blob_data[j].Link, true, false, false);
side = Side.Question;
break;
case "questionimage":
media = card.CreateMedia(EMedia.Image, blob_data[j].Link, true, false, false);
side = Side.Question;
break;
case "answeraudio":
media = card.CreateMedia(EMedia.Audio, blob_data[j].Link, true, true, false);
side = Side.Answer;
break;
case "answerexampleaudio":
media = card.CreateMedia(EMedia.Audio, blob_data[j].Link, true, false, true);
side = Side.Answer;
break;
case "answervideo":
media = card.CreateMedia(EMedia.Video, blob_data[j].Link, true, false, false);
side = Side.Answer;
break;
case "answerimage":
media = card.CreateMedia(EMedia.Image, blob_data[j].Link, true, false, false);
side = Side.Answer;
break;
case "unusedmedia":
default:
try
{
EMedia mType = Helper.GetMediaType(blob_data[j].Link);
if (mType == EMedia.Unknown)
{
media = card.CreateMedia(mType, blob_data[j].Link, false, false, false);
side = Side.Question; //doesn't matter
}
}
catch { }
break;
}
if (media != null)
{
card.AddMedia(media, side);
}
}
}
}
}
}
if (!ReportProgressUpdate(95))
{
return(null);
}
//stats
for (int i = 0; i < stats_data.Length; i++)
{
IStatistic stat = new MLifter.DAL.XML.XmlStatistic(dictionary as MLifter.DAL.XML.XmlDictionary, i, true);
dictionary.Statistics.Add(stat);
stat.StartTimestamp = stats_data[i].SStart;
stat.EndTimestamp = stats_data[i].SEnd;
stat.Right = stats_data[i].Right;
stat.Wrong = stats_data[i].Wrong;
stat.Boxes.Clear();
for (int j = 0; j < stats_data[i].Boxes.Length; j++)
{
stat.Boxes.Add(stats_data[i].Boxes[j]);
}
}
DateTime start_of_year = new DateTime(m_releaseYear, 1, 1);
int additional_seconds = 1;
for (int i = box_data.Length - 1; i >= 0; i--)
{
int exitCounter = 0;
for (int j = box_data[i].First; j != (-1); j = boxes_data[j].Next)
{
try
{
ICard card = dictionary.Cards.Get(boxes_data[j].CardID);
card.Box = boxes_data[j].BoxID;
card.Timestamp = start_of_year.AddSeconds(additional_seconds++).ToUniversalTime();
}
catch { }
//boxes_data seems to be a linked list which sometimes may be broken - this is the emergency exit
if (exitCounter++ > dictionary.Cards.Count)
{
break;
}
}
}
dictionary.Save();
}
else
{
throw new InvalidImportFormatException(dstFile);
}
Dic.Close();
}
#if !DEBUG
}
catch (DictionaryPathExistsException ex)
{
throw ex;
}
catch (DictionaryFormatNotSupported ex)
{
throw ex;
}
catch (InvalidImportFormatException ex)
{
throw ex;
}
catch (Exception ex)
{
throw ex;
}
#endif
return(dictionary);
}
/// <summary>
/// A helper function to create Media objects.
/// </summary>
/// <param name="type">The type.</param>
/// <param name="filename">The filename.</param>
/// <param name="isActive">if set to <c>true</c> [is active].</param>
/// <param name="isDefault">if set to <c>true</c> [is default].</param>
/// <param name="isExample">if set to <c>true</c> [is example].</param>
/// <returns></returns>
/// <remarks>Documented by Dev02, 2008-08-11</remarks>
private IMedia CreateMedia(EMedia type, string filename, bool isActive, bool isDefault, bool isExample)
{
IMedia media = (new MLifter.DAL.Preview.PreviewCard(null)).CreateMedia(type, filename, isActive, isDefault, isExample);
return media;
}
/// <summary>
/// Creates the media.
/// </summary>
/// <param name="type">The type of the media file.</param>
/// <param name="path">The path to the media file.</param>
/// <param name="isActive">if set to <c>true</c> [is active].</param>
/// <param name="isDefault">if set to <c>true</c> [is default].</param>
/// <param name="isExample">if set to <c>true</c> [is example].</param>
/// <returns></returns>
/// <remarks>Documented by Dev03, 2007-09-03</remarks>
/// <remarks>Documented by Dev03, 2009-01-13</remarks>
public IMedia CreateMedia(EMedia type, string path, bool isActive, bool isDefault, bool isExample)
{
StatusMessageReportProgress rpu = new StatusMessageReportProgress(ReportProgressUpdate);
return (parent.GetParentDictionary() as DbDictionary).CreateNewMediaObject(this, rpu, type, path, isActive, isDefault, isExample);
}
public PreviewMedia(EMedia type, string path, bool isActive, bool isDefault, bool isExample, ParentClass parent)
{
this.parent = parent;
this.mediatype = type;
this.filename = path;
this.active = isActive;
this._default = isDefault;
this.example = isExample;
}
public void ClearCardMedia(int cardid, Side side, WordType type, EMedia mediatype)
{
using (NpgsqlConnection con = PostgreSQLConn.CreateConnection(Parent.CurrentUser))
{
using (NpgsqlCommand cmd = con.CreateCommand())
{
cmd.CommandText = "DELETE FROM \"Cards_MediaContent\" WHERE cards_id=:cardid AND side=:side AND type=:type " +
"AND media_id IN (SELECT id FROM \"MediaContent\" WHERE media_type=:mediatype);";
cmd.Parameters.Add("cardid", cardid);
cmd.Parameters.Add("side", side.ToString());
cmd.Parameters.Add("type", type.ToString());
cmd.Parameters.Add("mediatype", mediatype.ToString());
cmd.ExecuteNonQuery();
}
}
Parent.CurrentUser.Cache.Uncache(ObjectLifetimeIdentifier.GetIdentifier(CacheObject.CardMedia, cardid));
}
public void SetCardMedia(int id, int cardid, Side side, WordType type, bool isDefault, EMedia mediatype)
{
using (NpgsqlConnection con = PostgreSQLConn.CreateConnection(Parent.CurrentUser))
{
NpgsqlTransaction tran = con.BeginTransaction();
ClearCardMedia(cardid, side, type, mediatype);
using (NpgsqlCommand cmd = con.CreateCommand())
{
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);
PostgreSQLConn.ExecuteNonQuery(cmd, Parent.CurrentUser);
}
tran.Commit();
Parent.CurrentUser.Cache.Uncache(ObjectLifetimeIdentifier.GetIdentifier(CacheObject.CardMedia, cardid));
}
}
/// <summary>
/// Creates the media.
/// </summary>
/// <param name="type">The type of the media file.</param>
/// <param name="path">The path to the media file.</param>
/// <param name="isActive">if set to <c>true</c> [is active].</param>
/// <param name="isDefault">if set to <c>true</c> [is default].</param>
/// <param name="isExample">if set to <c>true</c> [is example].</param>
/// <returns></returns>
/// <remarks>Documented by Dev03, 2007-09-03</remarks>
/// <remarks>Documented by Dev03, 2009-03-23</remarks>
public IMedia CreateMedia(EMedia type, string path, bool isActive, bool isDefault, bool isExample)
{
return(CreateNewMediaObject(type, path, isActive, isDefault, isExample));
}
/// <summary>
/// Creates a new Media object.
/// </summary>
/// <param name="type">The type.</param>
/// <param name="path">The path.</param>
/// <param name="isActive">if set to <c>true</c> [is active].</param>
/// <param name="isDefault">if set to <c>true</c> [is default].</param>
/// <param name="isExample">if set to <c>true</c> [is example].</param>
/// <returns></returns>
/// <remarks>Documented by Dev02, 2008-08-11</remarks>
public IMedia CreateMedia(EMedia type, string path, bool isActive, bool isDefault, bool isExample)
{
return dictionary.CreateMedia(type, path, IsActive, isDefault, isExample);
}
/// <summary>
/// Creates a new media object.
/// </summary>
/// <param name="type">The type.</param>
/// <param name="path">The path.</param>
/// <param name="isActive">if set to <c>true</c> [is active].</param>
/// <param name="isDefault">if set to <c>true</c> [is default].</param>
/// <param name="isExample">if set to <c>true</c> [is example].</param>
/// <returns></returns>
/// <remarks>Documented by Dev02, 2008-08-11</remarks>
/// <remarks>Documented by Dev03, 2008-12-03</remarks>
public IMedia CreateMedia(EMedia type, string path, bool isActive, bool isDefault, bool isExample)
{
return CreateNewMediaObject(type, path, isActive, isDefault, isExample);
}
protected XmlMedia(EMedia mediaType, string filename, ParentClass parent)
{
this.parent = parent;
m_mediaIdentifier = mediaType;
m_filename = filename;
}
/// <summary>
/// Creates a new media object.
/// </summary>
/// <param name="type">The type.</param>
/// <param name="path">The path.</param>
/// <param name="isActive">if set to <c>true</c> [is active].</param>
/// <param name="isDefault">if set to <c>true</c> [is default].</param>
/// <param name="isExample">if set to <c>true</c> [is example].</param>
/// <returns></returns>
/// <remarks>Documented by Dev02, 2008-08-11</remarks>
/// <remarks>Documented by Dev03, 2009-01-13</remarks>
public IMedia CreateMedia(EMedia type, string path, bool isActive, bool isDefault, bool isExample)
{
StatusMessageReportProgress rpu = new StatusMessageReportProgress(ReportProgressUpdate);
return(CreateNewMediaObject(this, rpu, type, path, isActive, isDefault, isExample));
}
/// <summary>
/// Creates a new media object.
/// </summary>
/// <param name="caller">The calling object.</param>
/// <param name="rpu">A delegate of the type StatusMessageReportProgress.</param>
/// <param name="type">The type.</param>
/// <param name="path">The path.</param>
/// <param name="isActive">if set to <c>true</c> [is active].</param>
/// <param name="isDefault">if set to <c>true</c> [is default].</param>
/// <param name="isExample">if set to <c>true</c> [is example].</param>
/// <returns></returns>
/// <remarks>Documented by Dev02, 2008-08-11</remarks>
internal IMedia CreateNewMediaObject(object caller, StatusMessageReportProgress rpu, EMedia type, string path, bool isActive, bool isDefault, bool isExample)
{
IMedia media = null;
Uri uri;
if (!this.HasPermission(PermissionTypes.CanModifyMedia))
throw new PermissionException();
if (path == null)
throw new ArgumentNullException("Null value not allowed for media file path!");
try
{
if (File.Exists(Path.Combine(Environment.CurrentDirectory, path))) //to allow relative paths
path = Path.Combine(Environment.CurrentDirectory, path);
uri = new Uri(path);
}
catch (UriFormatException exception)
{
throw new FileNotFoundException("Uri format is invalid.", exception);
}
if (uri.Scheme == Uri.UriSchemeFile && uri.IsFile) //we got a new file
{
if (File.Exists(path))
{
int newid;
using (FileStream stream = File.Open(path, FileMode.Open, FileAccess.Read, FileShare.Read))
newid = mediaconnector.CreateMedia(stream, type, rpu, caller);
media = DbMedia.CreateDisconnectedCardMedia(newid, type, isDefault, isExample, parent);
Helper.UpdateMediaProperties(path, newid, mediaconnector);
}
else
throw new FileNotFoundException("Media file could not be found.", path);
}
else if (uri.Scheme == "http" && uri.IsLoopback) //we got a http reference => file is already in db
{
if (DbMediaServer.DbMediaServer.Instance(parent).IsYours(uri))
{
int mediaId = DbMediaServer.DbMediaServer.GetMediaID(uri.AbsolutePath);
media = DbMedia.CreateDisconnectedCardMedia(mediaId, type, isDefault, isExample, parent);
rpu(new StatusMessageEventArgs(StatusMessageType.CreateMediaProgress, 100, 100), caller);
}
else
{
DbMediaServer.DbMediaServer server = DbMediaServer.DbMediaServer.Instance(uri);
int newid = mediaconnector.CreateMedia(GetMediaConnector(server.Parent).GetMediaStream(DbMediaServer.DbMediaServer.GetMediaID(uri.AbsolutePath)), type, rpu, caller);
media = DbMedia.CreateDisconnectedCardMedia(newid, type, isDefault, isExample, parent);
Helper.UpdateMediaProperties(path, newid, mediaconnector);
}
}
return media;
}
/// <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(Stream media, EMedia type, StatusMessageReportProgress rpu, object caller)
{
using (NpgsqlConnection conn = PostgreSQLConn.CreateConnection(Parent.CurrentUser))
{
NpgsqlTransaction tran = conn.BeginTransaction();
LargeObjectManager lbm = new LargeObjectManager(conn);
int noid = lbm.Create(LargeObjectManager.READWRITE);
LargeObject largeObject = lbm.Open(noid, LargeObjectManager.READWRITE);
byte[] buffer = new byte[media.Length];
media.Read(buffer, 0, (int)media.Length);
BufferToLargeObject(buffer, largeObject, rpu, caller);
largeObject.Close();
int newId = 0;
using (NpgsqlCommand cmd = conn.CreateCommand())
{
cmd.CommandText = "INSERT INTO \"MediaContent\" (data, media_type) VALUES (:data, :type) RETURNING id;";
cmd.Parameters.Add("data", noid);
cmd.Parameters.Add("type", type.ToString());
newId = Convert.ToInt32(PostgreSQLConn.ExecuteScalar(cmd, Parent.CurrentUser));
}
tran.Commit();
return newId;
}
}
/// <summary>
/// Checks if there is a media from the given type in the list
/// </summary>
/// <param name="mediaList">The media list.</param>
/// <param name="mediaType">Type of the media.</param>
/// <returns></returns>
/// <remarks>Documented by Dev08, 2009-07-16</remarks>
private bool ExistsMedia(IList<IMedia> mediaList, EMedia mediaType)
{
if (mediaList.Count == 0)
return false;
bool mediaFound = false;
foreach (IMedia media in mediaList)
{
if (media.MediaType == mediaType)
{
mediaFound = true;
break;
}
}
return mediaFound;
}
