private static void Validate(Metadata entity)
{
if (entity.BrandId <= 0)
{
throw new InvalidMetadataException("Brand is required");
}
if (entity.GroupNumber <= 0)
{
throw new InvalidMetadataException("Group Number is required");
}
if (StringUtils.IsBlank(entity.Name))
{
throw new InvalidMetadataException("Metadata name cannot be blank");
}
MetadataFinder finder = new MetadataFinder {
Name = entity.Name, BrandId = entity.BrandId, GroupNumber = entity.GroupNumber
};
Metadata o = Metadata.FindOne(finder);
if (!o.IsNull)
{
if (entity.IsNew)
{
throw new InvalidMetadataException("That item already exists");
}
if (!entity.MetadataId.Equals(o.MetadataId))
{
throw new InvalidMetadataException("That item already exists");
}
}
}
/// <summary>
/// deletes the setting, all stored possible selection values and all selected values for all assets
/// </summary>
/// <param name="brandMetadataSettingId">the setting to be deleted</param>
public static void DeleteSettingAndValues(int brandMetadataSettingId)
{
var setting = BrandMetadataSetting.Get(brandMetadataSettingId);
if (setting == null)
{
return;
}
var group = setting.GroupNumber;
var metaValuesFinder = new MetadataFinder()
{
GroupNumber = group
};
var vals = Metadata.FindMany(metaValuesFinder);
var assetMetaFinder = new AssetMetadataFinder()
{
};
//iterate through all values, delete existing assetmetadata selection and then delete values themselves as well
foreach (var metaValue in vals)
{
assetMetaFinder.MetadataId = metaValue.MetadataId.GetValueOrDefault();
var assetMetaSelections = AssetMetadata.FindMany(assetMetaFinder);
foreach (var assetMeta in assetMetaSelections)
{
AssetMetadata.Delete(assetMeta.AssetMetadataId);
}
Metadata.Delete(metaValue.MetadataId);
}
//delete selectable setting if one exists
if (!setting.SelectableSetting.IsNull && !setting.SelectableSetting.IsNew)
{
BrandMetadataSelectableSetting.Delete(setting.SelectableSetting.BrandMetadataSelectableSettingId);
}
//delete the setting itself
BrandMetadataSetting.Delete(brandMetadataSettingId);
}
public static void Delete(int id)
{
// Get the metadata item to be deleted
Metadata o = Metadata.Get(id);
// Check if it's a root item, in which case we need to ensure that it's not the only root item remaining
// as we need to disallow the deletion then (there must be one root item at all times)
if (!o.ParentMetadataId.HasValue)
{
MetadataFinder finder = new MetadataFinder {
BrandId = o.BrandId, GroupNumber = o.GroupNumber, ParentMetadataId = Int32.MinValue
};
int count = Metadata.GetCount(finder);
if (count == 1)
{
throw new InvalidMetadataException("This is the only root metadata item and cannot be deleted");
}
}
o.IsDeleted = true;
Metadata.Update(o);
CacheManager.InvalidateCache("Metadata", CacheType.All);
}
