/// <summary>
/// Loads the parts for the specfied media item
/// </summary>
/// <param name="conn">Open connection to the database</param>
/// <param name="mediaItemId">Unique identifier of the media item</param>
/// <param name="mediaItemType">Type of the media item</param>
/// <returns>Collection of parts belonging to the specified media item, sorted ascendingly</returns>
public static Business.MediaItemPartCollection GetMediaItemPartsById(SqlConnection conn, Int64 mediaItemId, Business.MediaItemTypeEnum mediaItemType)
{
try
{
List <sp.Parameter> parameters = new List <sp.Parameter>();
parameters.Add(new sp.Parameter("MediaItemId", DbType.Int64, mediaItemId));
parameters.Add(new sp.Parameter("MediaItemType", DbType.Int16, Convert.ToInt16(mediaItemType)));
sp.DataTable table = SqlDbObject.ExecuteReader("GetMediaItemPartsById", CommandType.StoredProcedure, parameters.ToArray(), conn);
Business.MediaItemPartCollection parts = new Business.MediaItemPartCollection();
foreach (sp.DataRow row in table)
{
IntelligentString location = (String)row["Location"];
Int64 size = (Int64)row["Size"];
Int32 milliseconds = (Int32)row["Duration"];
Int16 index = (Int16)row["Index"];
parts.Add(location, size, milliseconds, index);
}
parts.Sort();
return(parts);
}
catch (System.Exception e)
{
throw new SpecifiedSqlDbObjectNotFoundException("Could not load play history for media item", e);
}
}
/// <summary>
/// Executes a command and maps each row to an object
/// </summary>
/// <typeparam name="T">Type of object to map the data to</typeparam>
/// <typeparam name="TIdType">Type of the unique identifier of the object</typeparam>
/// <returns>Each row selected by the command, mapped to an object</returns>
public T[] ExecuteMappedReader <T, TIdType>() where T : DbObject <TIdType>
{
sp.DataTable table = ExecuteReader();
return(ExecuteMappedReader <T>(table, row =>
{
return ExecuteMappedSingleReader <T, TIdType>(connection, row);
}));
}
/// <summary>
/// Executes a command and returns the only row selected
/// </summary>
/// <returns>The only row selected by the command</returns>
public sp.DataRow ExecuteSingleReader()
{
sp.DataTable dt = ExecuteReader();
if (dt.RowCount != 1)
{
throw new Exception.SpecifiedSqlDbObjectNotFoundException(String.Format("{0} rows found in the database", dt.RowCount));
}
return(dt[0]);
}
/// <summary>
/// Maps each row in a data table to an object
/// </summary>
/// <typeparam name="T">Type of object to map the data to</typeparam>
/// <param name="table">Data table containing the rows being mapped</param>
/// <param name="mapper">Mapper used to map the data to an object</param>
/// <returns>Each row in the data table, mapped to an object</returns>
private static T[] ExecuteMappedReader <T>(sp.DataTable table, Func <sp.DataRow, T> mapper)
{
List <T> items = new List <T>();
foreach (sp.DataRow dr in table)
{
items.Add(mapper(dr));
}
if ((typeof(IComparable).IsAssignableFrom(typeof(T))) || (typeof(IComparable <T>).IsAssignableFrom(typeof(T))))
{
items.Sort();
}
return(items.ToArray());
}
/// <summary>
/// Executes a command and maps each row to an object
/// </summary>
/// <typeparam name="T">Type of object to map the data to</typeparam>
/// <typeparam name="TIdType">Type of the unique identifier of the object</typeparam>
/// <param name="mapper">Mapper used to map the data to an object</param>
/// <returns>Each row selected by the command, mapped to an object</returns>
public T[] ExecuteMappedReader <T, TIdType>(Func <sp.DataRow, T> mapper)
{
sp.DataTable dt = ExecuteReader();
return(ExecuteMappedReader <T>(dt, row =>
{
T item = mapper(row);
DbObject <TIdType> dbObject = item as DbObject <TIdType>;
if (dbObject != null)
{
dbObject.SetIsInDatabase(true);
}
return item;
}));
}
/// <summary>
/// Gets all file types in the system
/// </summary>
/// <param name="conn">Open connection to the database</param>
/// <returns>All file types in the system</returns>
public static Business.FileType[] GetFileTypes(SqlConnection conn)
{
try
{
sp.DataTable dt = SqlDbObject.ExecuteReader("GetFileTypes", CommandType.StoredProcedure, conn);
List <Business.FileType> fileTypes = new List <Business.FileType>();
foreach (sp.DataRow dr in dt)
{
fileTypes.Add(Business.FileType.FromDataRow(conn, dr));
}
fileTypes.Sort();
return(fileTypes.ToArray());
}
catch (System.Exception e)
{
throw new SpecifiedSqlDbObjectNotFoundException("Could not load file types", e);
}
}
/// <summary>
/// Gets the extensions in the database for the specified file type
/// </summary>
/// <param name="conn">Open connection to the database</param>
/// <param name="fileType">File type who's extensions are being loaded</param>
/// <returns>Extensions in the database for the specified file type</returns>
public static Business.FileExtensionCollection GetExtensionsByFileTypeId(SqlConnection conn, Int16 fileTypeId)
{
try
{
sp.DataTable dt = SqlDbObject.ExecuteReader("GetExtensionsByFileTypeId", CommandType.StoredProcedure, new sp.Parameter("FileTypeId", DbType.Int16, fileTypeId), conn);
Business.FileExtensionCollection extensions = new Business.FileExtensionCollection();
foreach (sp.DataRow dr in dt)
{
extensions.extensions.Add((String)dr["Extension"]);
}
extensions.Sort();
return(extensions);
}
catch (System.Exception e)
{
throw new SpecifiedSqlDbObjectNotFoundException("Could not load extensions for file type", e);
}
}
/// <summary>
/// Loads a file type from the database
/// </summary>
/// <param name="conn">Open connection to the database</param>
/// <param name="fileTypeId">Unique identifier of the file type being loaded</param>
/// <returns>FileType object loaded from the database</returns>
public static Business.FileType GetFileTypeById(SqlConnection conn, Int16 fileTypeId)
{
try
{
sp.DataTable dt = SqlDbObject.ExecuteReader("GetFileTypeById", CommandType.StoredProcedure, new sp.Parameter("FileTypeId", DbType.Int16, fileTypeId), conn);
if (dt.RowCount == 1)
{
return(Business.FileType.FromDataRow(conn, dt[0]));
}
else
{
throw new SpecifiedSqlDbObjectNotFoundException("GetFileTypeById returned " + dt.RowCount.ToString() + " rows");
}
}
catch (System.Exception e)
{
throw new SpecifiedSqlDbObjectNotFoundException("Could not load specified file type", e);
}
}
/// <summary>
/// Gets all root folders in the system that are associated with the specified type
/// </summary>
/// <param name="conn">Open connection to the database</param>
/// <param name="mediaItemType">Type associated with the desired root folders</param>
/// <returns>All root folders in the system that are associated with the specified type</returns>
public static Business.RootFolder[] GetRootFoldersByType(SqlConnection conn, Business.MediaItemTypeEnum mediaItemType)
{
try
{
sp.DataTable dt = SqlDbObject.ExecuteReader("GetRootFoldersByType", CommandType.StoredProcedure, new sp.Parameter("MediaItemType", DbType.Int16, Convert.ToInt16(mediaItemType)), conn);
List <Business.RootFolder> rootFolders = new List <Business.RootFolder>();
foreach (sp.DataRow row in dt)
{
rootFolders.Add(Business.RootFolder.FromDataRow(conn, row));
}
rootFolders.Sort();
return(rootFolders.ToArray());
}
catch (System.Exception e)
{
throw new SpecifiedSqlDbObjectNotFoundException("Could not load root folders", e);
}
}
/// <summary>
/// Loads a song from the database
/// </summary>
/// <param name="conn">Open connection to the database</param>
/// <param name="songId">Unique identifier of the song being loaded</param>
/// <returns>Song object loaded from the database</returns>
public static Business.Song GetSongById(SqlConnection conn, Int64 songId)
{
try
{
sp.DataTable dt = SqlDbObject.ExecuteReader("GetSongById", CommandType.StoredProcedure, new sp.Parameter("SongId", DbType.Int64, songId), conn);
if (dt.RowCount == 1)
{
return(Business.MediaItem.FromDataRow(conn, dt[0]) as Business.Song);
}
else
{
throw new SpecifiedSqlDbObjectNotFoundException("GetSongById returned " + dt.RowCount.ToString() + " rows");
}
}
catch (System.Exception e)
{
throw new SpecifiedSqlDbObjectNotFoundException("Could not load specified song", e);
}
}
/// <summary>
/// Gets all media items in the system
/// </summary>
/// <param name="conn">Open connection to the database</param>
/// <returns>All media items in the system</returns>
public static Business.MediaItem[] GetMediaItems(SqlConnection conn)
{
try
{
sp.DataTable dt = SqlDbObject.ExecuteReader("GetMediaItems", CommandType.StoredProcedure, conn);
List <Business.MediaItem> mediaItems = new List <Business.MediaItem>();
foreach (sp.DataRow dr in dt)
{
mediaItems.Add(Business.MediaItem.FromDataRow(conn, dr));
}
mediaItems.Sort();
return(mediaItems.ToArray());
}
catch (System.Exception e)
{
throw new SpecifiedSqlDbObjectNotFoundException("Could not load media items", e);
}
}
/// <summary>
/// Gets all deleted song iTunes IDs from the database
/// </summary>
/// <param name="conn">Open connection to the database</param>
/// <returns>All deleted song iTunes IDs from the database</returns>
public static Int16[] GetDeletedSongITunesIds(SqlConnection conn)
{
try
{
sp.DataTable table = SqlDbObject.ExecuteReader("GetDeletedSongITunesIds", CommandType.StoredProcedure, conn);
List <Int16> deletedSongITunesIds = new List <Int16>();
foreach (sp.DataRow row in table)
{
deletedSongITunesIds.Add((Int16)row["iTunesId"]);
}
deletedSongITunesIds.Sort();
return(deletedSongITunesIds.ToArray());
}
catch (System.Exception e)
{
throw new SpecifiedSqlDbObjectNotFoundException("Could not get deleted song iTunes IDs", e);
}
}
/// <summary>
/// Loads the tags for the specfied root folder
/// </summary>
/// <param name="conn">Open connection to the database</param>
/// <param name="mediaItemType">Type associated with the root folder the tags are being loaded for</param>
/// <param name="rootFolderPriority">Priority of the root folder the tags are being loaded for</param>
/// <returns>Collection of tags assigned to the specified root folder, sorted ascendingly</returns>
public static IntelligentString[] GetRootFolderTagsByPriority(SqlConnection conn, Business.MediaItemTypeEnum mediaItemType, Int16 rootFolderPriority)
{
try
{
List <sp.Parameter> parameters = new List <sp.Parameter>();
parameters.Add(new sp.Parameter("RootFolderPriority", DbType.Int16, rootFolderPriority));
parameters.Add(new sp.Parameter("MediaItemType", DbType.Int16, Convert.ToInt16(mediaItemType)));
sp.DataTable table = SqlDbObject.ExecuteReader("GetRootFolderTagsByPriority", CommandType.StoredProcedure, parameters.ToArray(), conn);
List <IntelligentString> tags = new List <IntelligentString>();
foreach (sp.DataRow row in table)
{
tags.Add((String)row["Tag"]);
}
tags.Sort();
return(tags.ToArray());
}
catch (System.Exception e)
{
throw new SpecifiedSqlDbObjectNotFoundException("Could not load tags for root folder", e);
}
}
/// <summary>
/// Gets the root folder from the database with the specified priority
/// </summary>
/// <param name="conn">Open connection to the database</param>
/// <param name="mediaItemType">Type of media item the desired root folder is associated with</param>
/// <param name="priority">Priority of the desired root folder</param>
/// <returns>Root folder in the database with the specified priority</returns>
public static Business.RootFolder GetRootFolderByPriority(SqlConnection conn, Business.MediaItemTypeEnum mediaItemType, Int16 priority)
{
try
{
List <sp.Parameter> parameters = new List <sp.Parameter>();
parameters.Add(new sp.Parameter("MediaItemType", DbType.Int16, Convert.ToInt16(mediaItemType)));
parameters.Add(new sp.Parameter("Priority", DbType.Int16, priority));
sp.DataTable dt = SqlDbObject.ExecuteReader("GetRootFolderByPriority", CommandType.StoredProcedure, parameters.ToArray(), conn);
if (dt.RowCount == 1)
{
return(Business.RootFolder.FromDataRow(conn, dt[0]));
}
else
{
throw new SpecifiedSqlDbObjectNotFoundException("GetRootFolderByPriority returned " + dt.RowCount.ToString() + " rows");
}
}
catch (System.Exception e)
{
throw new SpecifiedSqlDbObjectNotFoundException("Could not load specified root folder", e);
}
}
/// <summary>
/// Loads the play history for the specfied media item
/// </summary>
/// <param name="conn">Open connection to the database</param>
/// <param name="mediaItemId">Unique identifier of the media item having it's play history loaded</param>
/// <param name="mediaItemType">Type of media item having it's play history loaded</param>
/// <returns>Collection of dates and times the specified media item has been played, sorted ascendingly</returns>
public static DateTime[] GetMediaItemPlayHistoryById(SqlConnection conn, Int64 mediaItemId, Business.MediaItemTypeEnum mediaItemType)
{
try
{
List <sp.Parameter> parameters = new List <sp.Parameter>();
parameters.Add(new sp.Parameter("MediaItemId", DbType.Int64, mediaItemId));
parameters.Add(new sp.Parameter("MediaItemType", DbType.Int16, Convert.ToInt16(mediaItemType)));
sp.DataTable table = SqlDbObject.ExecuteReader("GetMediaItemPlayHistoryById", CommandType.StoredProcedure, parameters.ToArray(), conn);
List <DateTime> playHistory = new List <DateTime>();
foreach (sp.DataRow row in table)
{
playHistory.Add((DateTime)row["DatePlayed"]);
}
playHistory.Sort();
return(playHistory.ToArray());
}
catch (System.Exception e)
{
throw new SpecifiedSqlDbObjectNotFoundException("Could not load play history for media item", e);
}
}
