/// <summary>
/// Performs soft delete for given id.
/// </summary>
/// <param name="id">id to soft delete</param>
/// <returns>Process task.</returns>
protected async Task SoftDeleteEntity(TId id)
{
TEntity entity;
try
{
entity = await FindById(id);
}
catch (GrException grException)
{
Logger.Warning("Soft delete failed due to non existing entity.", grException);
return;
}
var softDeleteAttr =
ObjectAttributesUtils.GetAttributeForAnyFieldIn <IsDeletedFlagColumnAttribute>(entity.GetType());
if (softDeleteAttr == null)
{
Logger.Warning("Not able to perform soft-delete due to non existing soft delete column.");
return;
}
entity.SetValueForAttribute <IsDeletedFlagColumnAttribute>(softDeleteAttr.IsDeletedValue);
await Save(entity);
}
/// <summary>
/// Gets the value of the first Type property that contains the provided attribute.
/// </summary>
/// <param name="instance">Instance where to extract the value.</param>
/// <typeparam name="TObject">Expected property return type.</typeparam>
/// <typeparam name="TAttribute">Expected Attribute type</typeparam>
/// <returns>Found property value for the attribute.</returns>
public static TObject GetPropertyValueForAttribute <TObject, TAttribute>(
this object instance)
where TAttribute : Attribute
{
var propInfo = ObjectAttributesUtils.GetPropertyInfoForAttribute <TAttribute>(instance.GetType());
var value = propInfo?.GetValue(instance);
return(value is TObject val ? val : default);
/// <summary>
/// Gets a given attribute for a given class if it exists, otherwise returns null.
/// </summary>
/// <param name="type">type to validate</param>
/// <typeparam name="TAttribute">Attribute to find.</typeparam>
/// <returns>Found Attribute if exists</returns>
public static TAttribute?GetAttributeIfExists <TAttribute>(this Type type)
where TAttribute : Attribute
{
return(ObjectAttributesUtils.GetAttributeFor <TAttribute>(type));
}
/// <summary>
/// Detects whether or not given type has given attribute.
/// </summary>
/// <param name="type">type to validate.</param>
/// <typeparam name="TAttribute">Attribute to find</typeparam>
/// <returns>Whether or not type has attribute</returns>
public static bool HasAttribute <TAttribute>(this Type type)
where TAttribute : Attribute
{
return(ObjectAttributesUtils.HasAttribute <TAttribute>(type));
}
/// <summary>
/// Gets given attribute from property info if it exists.
/// </summary>
/// <param name="propertyInfo">self</param>
/// <typeparam name="TAttribute">Attribute to find.</typeparam>
/// <returns>Found attribute or default.</returns>
public static TAttribute?GetAttribute <TAttribute>(this PropertyInfo propertyInfo)
where TAttribute : Attribute
{
return(ObjectAttributesUtils.GetAttributeFromPropertyInfo <TAttribute>(propertyInfo));
}
