/// <summary>
/// Gets the Expression dto, checks permissions and caches results.
/// </summary>
/// <param name="expressionId">The expression id.</param>
/// <returns></returns>
public static ExpressionDto GetExpressionDto(int expressionId)
{
// Assign new cache key, specific for site guid and response groups requested
//string cacheKey = MarketingCache.CreateCacheKey("Expression", ExpressionId.ToString());
ExpressionDto dto = null;
// check cache first
//object cachedObject = MarketingCache.Get(cacheKey);
//if (cachedObject != null)
// dto = (ExpressionDto)cachedObject;
// Load the object
if (dto == null)
{
ExpressionAdmin Expression = new ExpressionAdmin();
Expression.Load(expressionId);
dto = Expression.CurrentDto;
// Insert to the cache collection
//MarketingCache.Insert(cacheKey, dto, MarketingConfiguration.CacheConfig.ExpressionCollectionTimeout);
}
dto.AcceptChanges();
return(dto);
}
/// <summary>
/// Saves the expression.
/// </summary>
/// <param name="dto">The dto.</param>
public static void SaveExpression(ExpressionDto dto)
{
if (dto == null)
{
throw new ArgumentNullException("dto", String.Format("ExpressionDto can not be null"));
}
//TODO: check concurrency when updating the records
//TODO: need to check security roles here,
// The procedure will be following:
// 1. Retrieve the record from the database for each category that is about to be updated
// 2. Check Write permissions (if failed generate the error and exit)
// 3. Otherwise proceed to update
// Continue with security checks and other operations
/*
* foreach (ExpressionDto.ExpressionRow row in dto.Expression.Rows)
* {
* // Check Security
* IDataReader reader = DataHelper.CreateDataReader(dto.ExpressionSecurity, String.Format("ExpressionId = -1 or ExpressionId = {0}", row.ExpressionId));
* PermissionRecordSet recordSet = new PermissionRecordSet(PermissionHelper.ConvertReaderToRecords(reader));
* if (!PermissionManager.CheckPermission(ExpressionScope.Expression, Permission.Read, recordSet))
* {
* row.Delete();
* continue;
* }
* }
* */
ExpressionAdmin admin = new ExpressionAdmin(dto);
admin.Save();
}
/// <summary>
/// Gets the expression dto.
/// </summary>
/// <param name="segmentId">The segment id.</param>
/// <returns></returns>
public static ExpressionDto GetExpressionBySegmentDto(int segmentId)
{
ExpressionDto dto = null;
// Load the object
if (dto == null)
{
ExpressionAdmin Expression = new ExpressionAdmin();
Expression.LoadBySegment(segmentId);
dto = Expression.CurrentDto;
}
dto.AcceptChanges();
return(dto);
}
/// <summary>
/// Gets the ExpressionDto by category. The supported categories now are "Promotion", "Segment", "Policy".
/// </summary>
/// <param name="category">The category.</param>
/// <returns></returns>
public static ExpressionDto GetExpressionDto(string category)
{
ExpressionDto dto = null;
// Load the object
if (dto == null)
{
ExpressionAdmin Expression = new ExpressionAdmin();
Expression.LoadByCategory(category);
dto = Expression.CurrentDto;
}
dto.AcceptChanges();
return(dto);
}
