using System;
using System.Data;
using System.Data.SqlClient;
using GalleryServerPro.Configuration;
using GalleryServerPro.Business.Interfaces;
namespace GalleryServerPro.Data.SqlServer
{
/// <summary>
/// Contains functionality for persisting / retrieving media object information to / from the SQL Server data store.
/// </summary>
internal class MediaObject
{
private MediaObject() { }
#region Public Static Methods
/// <summary>
/// Return an <see cref="IDataReader" /> representing the media object for the specified mediaObjectId. If no matching object
/// is found in the data store, an empty <see cref="IDataReader" /> is returned.
/// </summary>
/// <param name="mediaObjectId">The ID that uniquely identifies the desired media object.</param>
/// <returns>Returns an <see cref="IDataReader" /> object with all media object fields.</returns>
public static IDataReader GetDataReaderMediaObjectById(int mediaObjectId)
{
IDataReader dr = GetCommandMediaObjectSelectById(mediaObjectId).ExecuteReader(CommandBehavior.CloseConnection);
return dr;
}
/// <summary>
/// Return an <see cref="IDataReader" /> representing the metadata items for the specified mediaObjectId. If no matching object
/// is found in the data store, an empty <see cref="IDataReader" /> is returned.
/// </summary>
/// <param name="mediaObjectId">The ID that uniquely identifies the desired media object.</param>
/// <returns>Returns an <see cref="IDataReader" /> object with all metadata items.</returns>
public static IDataReader GetDataReaderMetadataItemsByMediaObjectId(int mediaObjectId)
{
IDataReader dr = GetCommandMediaObjectMetadataSelectByMediaObjectId(mediaObjectId).ExecuteReader(CommandBehavior.CloseConnection);
return dr;
}
/// <summary>
/// Persist the specified media object to the data store. Return the ID of the media object.
/// </summary>
/// <param name="mediaObject">An instance of <see cref="IGalleryObject" /> to persist to the data store.</param>
/// <returns>Return the ID of the media object. If this is a new media object and a new ID has been
/// assigned, then this value has also been assigned to the ID property of the object.</returns>
public static int Save(IGalleryObject mediaObject)
{
int mediaObjectId = mediaObject.Id;
if (mediaObject.IsNew)
{
// Insert new record into MediaObject table.
SqlCommand cmd = GetCommandMediaObjectInsert(mediaObject);
cmd.Connection.Open();
cmd.ExecuteNonQuery();
cmd.Connection.Close();
mediaObjectId = Convert.ToInt32(cmd.Parameters["@Identity"].Value, System.Globalization.NumberFormatInfo.InvariantInfo);
if (mediaObject.Id != mediaObjectId)
{
mediaObject.Id = mediaObjectId;
}
// Insert metadata items, if any, into MediaObjectMetadata table.
InsertMetadataItems(mediaObject);
}
else
{
SqlCommand cmd = GetCommandMediaObjectUpdate(mediaObject);
cmd.Connection.Open();
cmd.ExecuteNonQuery();
cmd.Connection.Close();
// Update metadata items, if necessary, in MediaObjectMetadata table.
UpdateMetadataItems(mediaObject);
}
return mediaObjectId;
}
/// <summary>
/// Permanently delete the specified media object from the data store. This action cannot
/// be undone. This action also deletes the related metadata items.
/// </summary>
/// <param name="mediaObject">The <see cref="IGalleryObject" /> to delete from the data store.</param>
public static void Delete(IGalleryObject mediaObject)
{
// Related metadata items in the MediaObjectMetadataItem table are deleted
// via a cascade delete rule configured between this table and the MediaObject table.
SqlCommand cmd = GetCommandMediaObjectDelete(mediaObject.Id);
cmd.Connection.Open();
cmd.ExecuteNonQuery();
cmd.Connection.Close();
}
/// <summary>
/// Return an <see cref="IDataReader" /> representing the hash keys for all media objects in the specified gallery.
/// </summary>
/// <param name="galleryId">The value that uniquely identifies the current gallery.</param>
/// <returns>Returns an <see cref="IDataReader" /> object with one field named "HashKey" containing the hash keys
/// for all media objects in the current gallery.</returns>
public static IDataReader GetHashKeys(int galleryId)
{
IDataReader dr = GetCommandMediaObjectSelectHashKeys(galleryId).ExecuteReader(CommandBehavior.CloseConnection);
return dr;
}
#endregion
#region Private Static Methods
/// <summary>
/// Persist each each metadata item that has HasChanges = true to the data store. If all items are marked for updating
/// (mediaObject.RegenerateMetadataOnSave = true), then all metadata items are deleted from the data store and then inserted based
/// on the current metadata items. If one or more items has HasChanges = false, then each item with HasChanges = true is
/// processed according to the following rules: (1) If the metadata value is null or an empty string, it is deleted from the
/// data store and removed from the MetadataItems collection. (2) If the item's MediaObjectMetadataId = int.MinValue, the
/// item is assumed to be new and is inserted. (3) Any item not falling into the previous two categories, but HasChanges = true,
/// is assumed to be pre-existing and an update stored procedure is executed.
/// </summary>
/// <param name="mediaObject">The media object for which to update metadata items in the data store.</param>
private static void UpdateMetadataItems(IGalleryObject mediaObject)
{
if (mediaObject.RegenerateMetadataOnSave)
{
// User wants to replace all metadata items. Delete them all from the data store, then insert the ones we have.
DeleteMetadataItems(mediaObject);
InsertMetadataItems(mediaObject);
}
else
{
IGalleryObjectMetadataItemCollection metadataItemsToSave = mediaObject.MetadataItems.GetItemsToSave();
if (metadataItemsToSave.Count == 0)
{
return; // Nothing to save
}
// There is at least one item to persist to the data store.
SqlCommand cmdUpdate = GetCommandMediaObjectMetadataUpdate();
cmdUpdate.Parameters["@FKMediaObjectId"].Value = mediaObject.Id;
SqlCommand cmdInsert = GetCommandMediaObjectMetadataInsert();
cmdInsert.Parameters["@FKMediaObjectId"].Value = mediaObject.Id;
cmdUpdate.Connection.Open();
cmdInsert.Connection.Open();
foreach (IGalleryObjectMetadataItem metaDataItem in metadataItemsToSave)
{
if (String.IsNullOrEmpty(metaDataItem.Value))
{
// There is no value, so let's delete this item.
DeleteMetadataItem(metaDataItem);
// Remove it from the collection.
mediaObject.MetadataItems.Remove(metaDataItem);
}
else if (metaDataItem.MediaObjectMetadataId == int.MinValue)
{
// Insert the item.
cmdInsert.Parameters["@MetadataNameIdentifier"].Value = (int) metaDataItem.MetadataItemName;
cmdInsert.Parameters["@Description"].Value = metaDataItem.Description;
cmdInsert.Parameters["@Value"].Value = metaDataItem.Value;
cmdInsert.ExecuteNonQuery();
// Assign newly assigned ID to the metadata ID property.
metaDataItem.MediaObjectMetadataId = Convert.ToInt32(cmdInsert.Parameters["@Identity"].Value, System.Globalization.NumberFormatInfo.InvariantInfo);
}
else
{
// Update the item.
cmdUpdate.Parameters["@MetadataNameIdentifier"].Value = (int) metaDataItem.MetadataItemName;
cmdUpdate.Parameters["@Description"].Value = metaDataItem.Description;
cmdUpdate.Parameters["@Value"].Value = metaDataItem.Value;
cmdUpdate.Parameters["@MediaObjectMetadataId"].Value = metaDataItem.MediaObjectMetadataId;
cmdUpdate.ExecuteNonQuery();
}
}
cmdUpdate.Connection.Close();
cmdInsert.Connection.Close();
}
}
/// <summary>
/// Delete all metadata items from the data store for the specified media object.
/// </summary>
/// <param name="mediaObject">The media object for which to delete all metadata items from the data store.</param>
private static void DeleteMetadataItems(IGalleryObject mediaObject)
{
SqlCommand cmd = GetCommandMediaObjectMetadataDeleteByMediaObjectId();
cmd.Parameters["@MediaObjectId"].Value = mediaObject.Id;
cmd.Connection.Open();
cmd.ExecuteNonQuery();
cmd.Connection.Close();
}
/// <summary>
/// Insert all metadata items from the data store for the specified media object. Assumes no existing metadata record exists
/// that matches the MediaObjectMetadataId value of each metadata item. Each metadata item is inserted and the newly
/// assigned MediaObjectMetadataId value is assigned to the item's MediaObjectMetadataId property.
/// </summary>
/// <param name="mediaObject">The media object for which to insert all metadata items to the data store.</param>
private static void InsertMetadataItems(IGalleryObject mediaObject)
{
// Insert meta data items, if any, into MediaObjectMetadata table.
if (mediaObject.MetadataItems.Count > 0)
{
SqlCommand cmd = GetCommandMediaObjectMetadataInsert();
cmd.Parameters["@FKMediaObjectId"].Value = mediaObject.Id;
cmd.Connection.Open();
foreach (IGalleryObjectMetadataItem metaDataItem in mediaObject.MetadataItems)
{
cmd.Parameters["@MetadataNameIdentifier"].Value = (int) metaDataItem.MetadataItemName;
cmd.Parameters["@Description"].Value = metaDataItem.Description;
cmd.Parameters["@Value"].Value = metaDataItem.Value;
cmd.ExecuteNonQuery();
// Assign newly assigned ID to the metadata ID property.
metaDataItem.MediaObjectMetadataId = Convert.ToInt32(cmd.Parameters["@Identity"].Value, System.Globalization.NumberFormatInfo.InvariantInfo);
}
cmd.Connection.Close();
}
}
/// <summary>
/// Delete the specified metadata item from the data store. No error occurs if the record does not exist in the data store.
/// </summary>
/// <param name="metaDataItem">The metadata item to delete from the data store.</param>
private static void DeleteMetadataItem(IGalleryObjectMetadataItem metaDataItem)
{
SqlCommand cmd = GetCommandMediaObjectMetadataDelete();
cmd.Parameters["@MediaObjectMetadataId"].Value = metaDataItem.MediaObjectMetadataId;
cmd.Connection.Open();
cmd.ExecuteNonQuery();
cmd.Connection.Close();
}
#region Methods to generate SqlCommand objects
private static SqlCommand GetCommandMediaObjectSelectHashKeys(int galleryId)
{
SqlCommand cmd = new SqlCommand("dbo.gs_MediaObjectSelectHashKeys", DataUtility.GetDBConnection());
cmd.CommandType = CommandType.StoredProcedure;
// Add parameters
cmd.Parameters.Add(new SqlParameter("@GalleryId", SqlDbType.Int));
cmd.Parameters["@GalleryId"].Value = galleryId;
cmd.Connection.Open();
return cmd;
}
private static SqlCommand GetCommandMediaObjectSelectById(int mediaObjectId)
{
SqlCommand cmd = new SqlCommand("dbo.gs_MediaObjectSelect", DataUtility.GetDBConnection());
cmd.CommandType = CommandType.StoredProcedure;
// Add parameters
cmd.Parameters.Add(new SqlParameter("@MediaObjectId", SqlDbType.Int));
cmd.Parameters.Add(new SqlParameter("@GalleryId", SqlDbType.Int));
cmd.Parameters["@MediaObjectId"].Value = mediaObjectId;
cmd.Parameters["@GalleryId"].Value = ConfigManager.GetGalleryServerProConfigSection().Core.GalleryId;
cmd.Connection.Open();
return cmd;
}
private static SqlCommand GetCommandMediaObjectMetadataSelectByMediaObjectId(int mediaObjectId)
{
SqlCommand cmd = new SqlCommand("dbo.gs_MediaObjectMetadataSelect", DataUtility.GetDBConnection());
cmd.CommandType = CommandType.StoredProcedure;
// Add parameters
cmd.Parameters.Add(new SqlParameter("@MediaObjectId", SqlDbType.Int));
cmd.Parameters.Add(new SqlParameter("@GalleryId", SqlDbType.Int));
cmd.Parameters["@MediaObjectId"].Value = mediaObjectId;
cmd.Parameters["@GalleryId"].Value = ConfigManager.GetGalleryServerProConfigSection().Core.GalleryId;
cmd.Connection.Open();
return cmd;
}
private static SqlCommand GetCommandMediaObjectInsert(IGalleryObject mediaObject)
{
DataStore dataStoreConfig = ConfigManager.GetGalleryServerProConfigSection().DataStore;
SqlCommand cmd = new SqlCommand("dbo.gs_MediaObjectInsert", DataUtility.GetDBConnection());
cmd.CommandType = CommandType.StoredProcedure;
cmd.Parameters.Add(new SqlParameter("@HashKey", SqlDbType.Char, 47, "HashKey"));
cmd.Parameters.Add(new SqlParameter("@FKAlbumID", SqlDbType.Int, 0, "FKAlbumID"));
cmd.Parameters.Add(new SqlParameter("@ThumbnailFilename", SqlDbType.NVarChar, dataStoreConfig.MediaObjectFileNameLength, "ThumbnailFilename"));
cmd.Parameters.Add(new SqlParameter("@ThumbnailWidth", SqlDbType.Int, 0, "ThumbnailWidth"));
cmd.Parameters.Add(new SqlParameter("@ThumbnailHeight", SqlDbType.Int, 0, "ThumbnailHeight"));
cmd.Parameters.Add(new SqlParameter("@ThumbnailSizeKB", SqlDbType.Int, 0, "ThumbnailSizeKB"));
cmd.Parameters.Add(new SqlParameter("@OptimizedFilename", SqlDbType.NVarChar, dataStoreConfig.MediaObjectFileNameLength, "OptimizedFilename"));
cmd.Parameters.Add(new SqlParameter("@OptimizedWidth", SqlDbType.Int, 0, "OptimizedWidth"));
cmd.Parameters.Add(new SqlParameter("@OptimizedHeight", SqlDbType.Int, 0, "OptimizedHeight"));
cmd.Parameters.Add(new SqlParameter("@OptimizedSizeKB", SqlDbType.Int, 0, "OptimizedSizeKB"));
cmd.Parameters.Add(new SqlParameter("@OriginalFilename", SqlDbType.NVarChar, dataStoreConfig.MediaObjectFileNameLength, "OriginalFilename"));
cmd.Parameters.Add(new SqlParameter("@OriginalWidth", SqlDbType.Int, 0, "OriginalWidth"));
cmd.Parameters.Add(new SqlParameter("@OriginalHeight", SqlDbType.Int, 0, "OriginalHeight"));
cmd.Parameters.Add(new SqlParameter("@OriginalSizeKB", SqlDbType.Int, 0, "OriginalSizeKB"));
cmd.Parameters.Add(new SqlParameter("@ExternalHtmlSource", SqlDbType.NVarChar, dataStoreConfig.MediaObjectExternalHtmlSourceLength, "ExternalHtmlSource"));
cmd.Parameters.Add(new SqlParameter("@ExternalType", SqlDbType.NVarChar, dataStoreConfig.MediaObjectExternalTypeLength, "ExternalType"));
cmd.Parameters.Add(new SqlParameter("@Title", SqlDbType.NVarChar, dataStoreConfig.MediaObjectTitleLength, "Title"));
cmd.Parameters.Add(new SqlParameter("@Seq", SqlDbType.Int, 0, "Seq"));
cmd.Parameters.Add(new SqlParameter("@CreatedBy", SqlDbType.NVarChar, dataStoreConfig.CreatedByLength, "CreatedBy"));
cmd.Parameters.Add(new SqlParameter("@DateAdded", SqlDbType.DateTime, 0, "DateAdded"));
cmd.Parameters.Add(new SqlParameter("@LastModifiedBy", SqlDbType.NVarChar, dataStoreConfig.LastModifiedByLength, "LastModifiedBy"));
cmd.Parameters.Add(new SqlParameter("@DateLastModified", SqlDbType.DateTime, 0, "DateLastModified"));
cmd.Parameters.Add(new SqlParameter("@IsPrivate", SqlDbType.Bit, 0, "IsPrivate"));
SqlParameter prm = cmd.Parameters.Add(new SqlParameter("@Identity", SqlDbType.Int, 0, "MOID"));
prm.Direction = ParameterDirection.Output;
cmd.Parameters["@HashKey"].Value = mediaObject.Hashkey;
cmd.Parameters["@FKAlbumID"].Value = mediaObject.Parent.Id;
cmd.Parameters["@ThumbnailFilename"].Value = mediaObject.Thumbnail.FileName;
cmd.Parameters["@ThumbnailWidth"].Value = mediaObject.Thumbnail.Width;
cmd.Parameters["@ThumbnailHeight"].Value = mediaObject.Thumbnail.Height;
cmd.Parameters["@ThumbnailSizeKB"].Value = mediaObject.Thumbnail.FileSizeKB;
cmd.Parameters["@OptimizedFilename"].Value = mediaObject.Optimized.FileName;
cmd.Parameters["@OptimizedWidth"].Value = mediaObject.Optimized.Width;
cmd.Parameters["@OptimizedHeight"].Value = mediaObject.Optimized.Height;
cmd.Parameters["@OptimizedSizeKB"].Value = mediaObject.Optimized.FileSizeKB;
cmd.Parameters["@OriginalFilename"].Value = mediaObject.Original.FileName;
cmd.Parameters["@OriginalWidth"].Value = mediaObject.Original.Width;
cmd.Parameters["@OriginalHeight"].Value = mediaObject.Original.Height;
cmd.Parameters["@OriginalSizeKB"].Value = mediaObject.Original.FileSizeKB;
cmd.Parameters["@ExternalHtmlSource"].Value = mediaObject.Original.ExternalHtmlSource;
cmd.Parameters["@ExternalType"].Value = mediaObject.Original.ExternalType;
cmd.Parameters["@Title"].Value = mediaObject.Title;
cmd.Parameters["@Seq"].Value = mediaObject.Sequence;
cmd.Parameters["@CreatedBy"].Value = mediaObject.CreatedByUserName;
cmd.Parameters["@DateAdded"].Value = mediaObject.DateAdded;
cmd.Parameters["@LastModifiedBy"].Value = mediaObject.LastModifiedByUserName;
cmd.Parameters["@DateLastModified"].Value = mediaObject.DateLastModified;
cmd.Parameters["@IsPrivate"].Value = mediaObject.IsPrivate;
return cmd;
}
private static SqlCommand GetCommandMediaObjectUpdate(IGalleryObject mediaObject)
{
DataStore dataStoreConfig = ConfigManager.GetGalleryServerProConfigSection().DataStore;
SqlCommand cmd = new SqlCommand("dbo.gs_MediaObjectUpdate", DataUtility.GetDBConnection());
cmd.CommandType = CommandType.StoredProcedure;
cmd.Parameters.Add(new SqlParameter("@MediaObjectId", SqlDbType.Int, 0, "MediaObjectId"));
cmd.Parameters.Add(new SqlParameter("@HashKey", SqlDbType.Char, 47, "HashKey"));
cmd.Parameters.Add(new SqlParameter("@FKAlbumID", SqlDbType.Int, 0, "FKAlbumID"));
cmd.Parameters.Add(new SqlParameter("@ThumbnailFilename", SqlDbType.NVarChar, dataStoreConfig.MediaObjectFileNameLength, "ThumbnailFilename"));
cmd.Parameters.Add(new SqlParameter("@ThumbnailWidth", SqlDbType.Int, 0, "ThumbnailWidth"));
cmd.Parameters.Add(new SqlParameter("@ThumbnailHeight", SqlDbType.Int, 0, "ThumbnailHeight"));
cmd.Parameters.Add(new SqlParameter("@ThumbnailSizeKB", SqlDbType.Int, 0, "ThumbnailSizeKB"));
cmd.Parameters.Add(new SqlParameter("@OptimizedFilename", SqlDbType.NVarChar, dataStoreConfig.MediaObjectFileNameLength, "OptimizedFilename"));
cmd.Parameters.Add(new SqlParameter("@OptimizedWidth", SqlDbType.Int, 0, "OptimizedWidth"));
cmd.Parameters.Add(new SqlParameter("@OptimizedHeight", SqlDbType.Int, 0, "OptimizedHeight"));
cmd.Parameters.Add(new SqlParameter("@OptimizedSizeKB", SqlDbType.Int, 0, "OptimizedSizeKB"));
cmd.Parameters.Add(new SqlParameter("@OriginalFilename", SqlDbType.NVarChar, dataStoreConfig.MediaObjectFileNameLength, "OriginalFilename"));
cmd.Parameters.Add(new SqlParameter("@OriginalWidth", SqlDbType.Int, 0, "OriginalWidth"));
cmd.Parameters.Add(new SqlParameter("@OriginalHeight", SqlDbType.Int, 0, "OriginalHeight"));
cmd.Parameters.Add(new SqlParameter("@OriginalSizeKB", SqlDbType.Int, 0, "OriginalSizeKB"));
cmd.Parameters.Add(new SqlParameter("@ExternalHtmlSource", SqlDbType.NVarChar, dataStoreConfig.MediaObjectExternalHtmlSourceLength, "ExternalHtmlSource"));
cmd.Parameters.Add(new SqlParameter("@ExternalType", SqlDbType.NVarChar, dataStoreConfig.MediaObjectExternalTypeLength, "ExternalType"));
cmd.Parameters.Add(new SqlParameter("@Title", SqlDbType.NVarChar, dataStoreConfig.MediaObjectTitleLength, "Title"));
cmd.Parameters.Add(new SqlParameter("@Seq", SqlDbType.Int, 0, "Seq"));
cmd.Parameters.Add(new SqlParameter("@LastModifiedBy", SqlDbType.NVarChar, dataStoreConfig.LastModifiedByLength, "LastModifiedBy"));
cmd.Parameters.Add(new SqlParameter("@DateLastModified", SqlDbType.DateTime, 0, "DateLastModified"));
cmd.Parameters.Add(new SqlParameter("@IsPrivate", SqlDbType.Bit, 0, "IsPrivate"));
// Not specifying CreatedBy or DateAdded because those should only get populated during the INSERT.
cmd.Parameters["@MediaObjectId"].Value = mediaObject.Id;
cmd.Parameters["@HashKey"].Value = mediaObject.Hashkey;
cmd.Parameters["@FKAlbumID"].Value = mediaObject.Parent.Id;
cmd.Parameters["@ThumbnailFilename"].Value = mediaObject.Thumbnail.FileName;
cmd.Parameters["@ThumbnailWidth"].Value = mediaObject.Thumbnail.Width;
cmd.Parameters["@ThumbnailHeight"].Value = mediaObject.Thumbnail.Height;
cmd.Parameters["@ThumbnailSizeKB"].Value = mediaObject.Thumbnail.FileSizeKB;
cmd.Parameters["@OptimizedFilename"].Value = mediaObject.Optimized.FileName;
cmd.Parameters["@OptimizedWidth"].Value = mediaObject.Optimized.Width;
cmd.Parameters["@OptimizedHeight"].Value = mediaObject.Optimized.Height;
cmd.Parameters["@OptimizedSizeKB"].Value = mediaObject.Optimized.FileSizeKB;
cmd.Parameters["@OriginalFilename"].Value = mediaObject.Original.FileName;
cmd.Parameters["@OriginalWidth"].Value = mediaObject.Original.Width;
cmd.Parameters["@OriginalHeight"].Value = mediaObject.Original.Height;
cmd.Parameters["@OriginalSizeKB"].Value = mediaObject.Original.FileSizeKB;
cmd.Parameters["@ExternalHtmlSource"].Value = mediaObject.Original.ExternalHtmlSource;
cmd.Parameters["@ExternalType"].Value = mediaObject.Original.ExternalType;
cmd.Parameters["@Title"].Value = mediaObject.Title;
cmd.Parameters["@Seq"].Value = mediaObject.Sequence;
cmd.Parameters["@LastModifiedBy"].Value = mediaObject.LastModifiedByUserName;
cmd.Parameters["@DateLastModified"].Value = mediaObject.DateLastModified;
cmd.Parameters["@IsPrivate"].Value = mediaObject.IsPrivate;
return cmd;
}
private static SqlCommand GetCommandMediaObjectDelete(int mediaObjectId)
{
SqlCommand cmd = new SqlCommand("dbo.gs_MediaObjectDelete", DataUtility.GetDBConnection());
cmd.CommandType = CommandType.StoredProcedure;
cmd.Parameters.Add(new SqlParameter("@MediaObjectId", SqlDbType.Int, 0, "MediaObjectId"));
cmd.Parameters["@MediaObjectId"].Value = mediaObjectId;
return cmd;
}
private static SqlCommand GetCommandMediaObjectMetadataDelete()
{
SqlCommand cmd = new SqlCommand("dbo.gs_MediaObjectMetadataDelete", DataUtility.GetDBConnection());
cmd.CommandType = CommandType.StoredProcedure;
cmd.Parameters.Add(new SqlParameter("@MediaObjectMetadataId", SqlDbType.Int, 0, "MediaObjectMetadataId"));
return cmd;
}
private static SqlCommand GetCommandMediaObjectMetadataDeleteByMediaObjectId()
{
SqlCommand cmd = new SqlCommand("dbo.gs_MediaObjectMetadataDeleteByMediaObjectId", DataUtility.GetDBConnection());
cmd.CommandType = CommandType.StoredProcedure;
cmd.Parameters.Add(new SqlParameter("@MediaObjectId", SqlDbType.Int, 0, "MediaObjectId"));
return cmd;
}
private static SqlCommand GetCommandMediaObjectMetadataUpdate()
{
DataStore dataStoreConfig = ConfigManager.GetGalleryServerProConfigSection().DataStore;
SqlCommand cmd = new SqlCommand("dbo.gs_MediaObjectMetadataUpdate", DataUtility.GetDBConnection());
cmd.CommandType = CommandType.StoredProcedure;
cmd.Parameters.Add(new SqlParameter("@FKMediaObjectId", SqlDbType.Int, 0, "FKMediaObjectId"));
cmd.Parameters.Add(new SqlParameter("@MetadataNameIdentifier", SqlDbType.Int, 0, "MetadataNameIdentifier"));
cmd.Parameters.Add(new SqlParameter("@Description", SqlDbType.NVarChar, dataStoreConfig.MediaObjectMetadataDescriptionLength, "Description"));
cmd.Parameters.Add(new SqlParameter("@Value", SqlDbType.NVarChar, dataStoreConfig.MediaObjectMetadataValueLength, "Value"));
cmd.Parameters.Add(new SqlParameter("@MediaObjectMetadataId", SqlDbType.Int, 0, "@MediaObjectMetadataId"));
return cmd;
}
private static SqlCommand GetCommandMediaObjectMetadataInsert()
{
DataStore dataStoreConfig = ConfigManager.GetGalleryServerProConfigSection().DataStore;
SqlCommand cmd = new SqlCommand("dbo.gs_MediaObjectMetadataInsert", DataUtility.GetDBConnection());
cmd.CommandType = CommandType.StoredProcedure;
cmd.Parameters.Add(new SqlParameter("@FKMediaObjectId", SqlDbType.Int, 0, "FKMediaObjectId"));
cmd.Parameters.Add(new SqlParameter("@MetadataNameIdentifier", SqlDbType.Int, 0, "MetadataNameIdentifier"));
cmd.Parameters.Add(new SqlParameter("@Description", SqlDbType.NVarChar, dataStoreConfig.MediaObjectMetadataDescriptionLength, "Description"));
cmd.Parameters.Add(new SqlParameter("@Value", SqlDbType.NVarChar, dataStoreConfig.MediaObjectMetadataValueLength, "Value"));
SqlParameter prm = cmd.Parameters.Add(new SqlParameter("@Identity", SqlDbType.Int, 0, "MediaObjectDataId"));
prm.Direction = ParameterDirection.Output;
return cmd;
}
#endregion
#endregion
}
}
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