//------------------------------------------------------------------------------
// The contents of this file are subject to the nopCommerce Public License Version 1.0 ("License"); you may not use this file except in compliance with the License.
// You may obtain a copy of the License at http://www.nopCommerce.com/License.aspx.
//
// Software distributed under the License is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.
// See the License for the specific language governing rights and limitations under the License.
//
// The Original Code is nopCommerce.
// The Initial Developer of the Original Code is NopSolutions.
// All Rights Reserved.
//
// Contributor(s): _______.
//------------------------------------------------------------------------------
using System;
using System.Collections.Generic;
using System.Collections.Specialized;
using System.Configuration.Provider;
using System.Data;
using System.Data.Common;
using System.Globalization;
using System.Text;
using Microsoft.Practices.EnterpriseLibrary.Data;
namespace NopSolutions.NopCommerce.DataAccess.Media{
/// <summary>
/// Picture provider for SQL Server
/// </summary>
public partial class SqlPictureProvider : DBPictureProvider
{
#region Fields
private string _sqlConnectionString;
#endregion
#region Utilities
private DBPicture GetPictureFromReader(IDataReader dataReader)
{
var item = new DBPicture();
item.PictureId = NopSqlDataHelper.GetInt(dataReader, "PictureID");
item.PictureBinary = NopSqlDataHelper.GetBytes(dataReader, "PictureBinary");
item.Extension = NopSqlDataHelper.GetString(dataReader, "Extension");
item.IsNew = NopSqlDataHelper.GetBoolean(dataReader, "IsNew");
return item;
}
#endregion
#region Methods
/// <summary>
/// Initializes the provider with the property values specified in the application's configuration file. This method is not intended to be used directly from your code
/// </summary>
/// <param name="name">The name of the provider instance to initialize</param>
/// <param name="config">A NameValueCollection that contains the names and values of configuration options for the provider.</param>
public override void Initialize(string name, NameValueCollection config)
{
if (config == null)
{
throw new ArgumentNullException("config");
}
base.Initialize(name, config);
string connectionStringName = config["connectionStringName"];
if (String.IsNullOrEmpty(connectionStringName))
throw new ProviderException("Connection name not specified");
this._sqlConnectionString = NopSqlDataHelper.GetConnectionString(connectionStringName);
if ((this._sqlConnectionString == null) || (this._sqlConnectionString.Length < 1))
{
throw new ProviderException(string.Format("Connection string not found. {0}", connectionStringName));
}
config.Remove("connectionStringName");
if (config.Count > 0)
{
string key = config.GetKey(0);
if (!string.IsNullOrEmpty(key))
{
throw new ProviderException(string.Format("Provider unrecognized attribute. {0}", new object[] { key }));
}
}
}
/// <summary>
/// Gets a picture
/// </summary>
/// <param name="pictureId">Picture identifier</param>
/// <returns>Picture</returns>
public override DBPicture GetPictureById(int pictureId)
{
DBPicture item = null;
if (pictureId == 0)
return item;
Database db = NopSqlDataHelper.CreateConnection(_sqlConnectionString);
DbCommand dbCommand = db.GetStoredProcCommand("Nop_PictureLoadByPrimaryKey");
db.AddInParameter(dbCommand, "PictureID", DbType.Int32, pictureId);
using (IDataReader dataReader = db.ExecuteReader(dbCommand))
{
if (dataReader.Read())
{
item = GetPictureFromReader(dataReader);
}
}
return item;
}
/// <summary>
/// Deletes a picture
/// </summary>
/// <param name="pictureId">Picture identifier</param>
public override void DeletePicture(int pictureId)
{
Database db = NopSqlDataHelper.CreateConnection(_sqlConnectionString);
DbCommand dbCommand = db.GetStoredProcCommand("Nop_PictureDelete");
db.AddInParameter(dbCommand, "PictureID", DbType.Int32, pictureId);
db.ExecuteNonQuery(dbCommand);
}
/// <summary>
/// Inserts a picture
/// </summary>
/// <param name="pictureBinary">The picture binary</param>
/// <param name="extension">The picture extension</param>
/// <param name="isNew">A value indicating whether the picture is new</param>
/// <returns>Picture</returns>
public override DBPicture InsertPicture(byte[] pictureBinary,
string extension, bool isNew)
{
DBPicture item = null;
Database db = NopSqlDataHelper.CreateConnection(_sqlConnectionString);
DbCommand dbCommand = db.GetStoredProcCommand("Nop_PictureInsert");
db.AddOutParameter(dbCommand, "PictureID", DbType.Int32, 0);
db.AddInParameter(dbCommand, "PictureBinary", DbType.Binary, pictureBinary);
db.AddInParameter(dbCommand, "Extension", DbType.String, extension);
db.AddInParameter(dbCommand, "IsNew", DbType.Boolean, isNew);
if (db.ExecuteNonQuery(dbCommand) > 0)
{
int pictureId = Convert.ToInt32(db.GetParameterValue(dbCommand, "@PictureID"));
item = GetPictureById(pictureId);
}
return item;
}
/// <summary>
/// Updates the picture
/// </summary>
/// <param name="pictureId">The picture identifier</param>
/// <param name="pictureBinary">The picture binary</param>
/// <param name="extension">The picture extension</param>
/// <param name="isNew">A value indicating whether the picture is new</param>
/// <returns>Picture</returns>
public override DBPicture UpdatePicture(int pictureId, byte[] pictureBinary,
string extension, bool isNew)
{
DBPicture item = null;
Database db = NopSqlDataHelper.CreateConnection(_sqlConnectionString);
DbCommand dbCommand = db.GetStoredProcCommand("Nop_PictureUpdate");
db.AddInParameter(dbCommand, "PictureID", DbType.Int32, pictureId);
db.AddInParameter(dbCommand, "PictureBinary", DbType.Binary, pictureBinary);
db.AddInParameter(dbCommand, "Extension", DbType.String, extension);
db.AddInParameter(dbCommand, "IsNew", DbType.Boolean, isNew);
if (db.ExecuteNonQuery(dbCommand) > 0)
item = GetPictureById(pictureId);
return item;
}
/// <summary>
/// Gets a collection of pictures
/// </summary>
/// <param name="pageIndex">Current page</param>
/// <param name="pageSize">Items on each page</param>
/// <param name="totalRecords">Output. how many records in results</param>
/// <returns>Paged list of pictures</returns>
public override DBPictureCollection GetPictures(int pageSize,
int pageIndex, out int totalRecords)
{
totalRecords = 0;
var result = new DBPictureCollection();
Database db = NopSqlDataHelper.CreateConnection(_sqlConnectionString);
DbCommand dbCommand = db.GetStoredProcCommand("Nop_PictureLoadAllPaged");
db.AddInParameter(dbCommand, "PageSize", DbType.Int32, pageSize);
db.AddInParameter(dbCommand, "PageIndex", DbType.Int32, pageIndex);
db.AddOutParameter(dbCommand, "TotalRecords", DbType.Int32, 0);
using (IDataReader dataReader = db.ExecuteReader(dbCommand))
{
while (dataReader.Read())
{
var item = GetPictureFromReader(dataReader);
result.Add(item);
}
}
totalRecords = Convert.ToInt32(db.GetParameterValue(dbCommand, "@TotalRecords"));
return result;
}
#endregion
}
}
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