internal VLLibraryQuestion CreateLibraryQuestion(VLLibraryQuestion question, short textsLanguage = /*DefaultLanguage*/ -2)
{
if (question == null)
{
throw new ArgumentNullException("question");
}
question.ValidateInstance();
#region SecurityLayer
if (this.PrincipalType == Core.PrincipalType.SystemUser)
{
CheckPermissions(VLPermissions.ManageSystem, VLPermissions.Developer, VLPermissions.SystemService, VLPermissions.ManageBuidingBlocks);
}
else
{
throw new VLAccessDeniedException();
}
#endregion
/*Υπάρχει η κατηγορία?*/
var category = LibrariesDal.GetLibraryQuestionCategoryById(this.AccessTokenId, question.Category);
if (category == null)
{
throw new VLException(SR.GetString(SR.There_is_no_item_with_id, "LibraryQuestionCategory", question.Category));
}
return(LibrariesDal.CreateLibraryQuestion(this.AccessTokenId, question));
}
public VLLibraryQuestionCategory GetLibraryQuestionCategoryById(Int16 categoryId, short textsLanguage = -2)
{
#region SecurityLayer
#endregion
return(LibrariesDal.GetLibraryQuestionCategoryById(this.AccessTokenId, categoryId, textsLanguage));
}
public void DeleteLibraryQuestionCategory(Int16 categoryId)
{
var existingItem = LibrariesDal.GetLibraryQuestionCategoryById(this.AccessTokenId, categoryId);
if (existingItem == null)
{
throw new VLException(SR.GetString(SR.There_is_no_item_with_id, "LibraryQuestionCategory", categoryId));
}
//Can we delete the LibraryQuestinCategory?
if (existingItem.IsBuiltIn)
{
throw new VLException(SR.GetString(SR.You_cannot_delete_builtin, "LibraryQuestionCategory"));
}
var _total = LibrariesDal.GetLibraryQuestionsCount(this.AccessTokenId, categoryId);
if (_total == 1)
{
throw new VLException(string.Format("You cannot delete library category '{0}'. There is one question depending on it!", existingItem.Name));
}
else if (_total > 1)
{
throw new VLException(string.Format("You cannot delete library category '{0}'. There are questions depending on it!", existingItem.Name));
}
LibrariesDal.DeleteLibraryQuestionCategory(this.AccessTokenId, existingItem.CategoryId);
}
/// <summary>
///
/// </summary>
/// <param name="category"></param>
/// <returns></returns>
public VLLibraryQuestionCategory UpdateLibraryQuestionCategory(VLLibraryQuestionCategory category)
{
if (category == null)
{
throw new ArgumentNullException("category");
}
category.ValidateInstance();
#region SecurityLayer
if (this.PrincipalType == Core.PrincipalType.SystemUser)
{
CheckPermissions(VLPermissions.ManageSystem, VLPermissions.Developer, VLPermissions.SystemService, VLPermissions.ManageBuidingBlocks);
}
else
{
throw new VLAccessDeniedException();
}
#endregion
/*Το name κάθε κατηγορίας πρέπει να είναι μοναδικό*/
var existingItem = LibrariesDal.GetLibraryQuestionCategoryByName(this.AccessTokenId, category.Name, category.TextsLanguage);
if (existingItem != null && existingItem.CategoryId != category.CategoryId)
{
throw new VLException(SR.GetString(SR.Value_is_already_in_use, "Name", category.Name));
}
if (existingItem == null)
{
existingItem = LibrariesDal.GetLibraryQuestionCategoryById(AccessTokenId, category.CategoryId, category.TextsLanguage);
}
if (existingItem == null)
{
throw new VLException(SR.GetString(SR.There_is_no_item_with_id, "LibraryQuestionCategory", category.CategoryId));
}
existingItem.AttributeFlags = category.AttributeFlags;
existingItem.Name = category.Name;
return(LibrariesDal.UpdateLibraryQuestionCategory(this.AccessTokenId, existingItem));
}