private static void ValidateEntityHeader(ValidationResult result, PropertyInfo prop, FormFieldAttribute attr, EntityHeader value)
{
if (value != null && String.IsNullOrEmpty(value.Id) && !String.IsNullOrEmpty(value.Text))
{
result.AddSystemError(Resources.ValidationResource.Entity_Header_MissingId_System.Replace("[NAME]", prop.Name));
}
else if (value != null && String.IsNullOrEmpty(value.Text) && !String.IsNullOrEmpty(value.Id))
{
result.AddSystemError(Resources.ValidationResource.Entity_Header_MissingText_System.Replace("[NAME]", prop.Name));
}
else if (attr.IsRequired)
{
if (value == null || value.IsEmpty())
{
AddRequiredFieldMissingMessage(result, attr, prop.Name);
}
}
}
public static AuditTrail Compare <TEntity>(TEntity original, TEntity changed, EntityHeader user) where TEntity : class, IIDEntity
{
if (user == null || user.IsEmpty())
{
throw new InvalidOperationException("Must provide a valid user object when comparing two entities");
}
if (original == null && changed != null)
{
throw new InvalidOperationException("Can not compare original null object to not-null changed object");
}
if (original != null && changed == null)
{
throw new InvalidOperationException("Can not compare original not-null object to null changed object");
}
if (original == null && changed == null)
{
throw new InvalidOperationException("Can not compare, both original and compare objects are null");
}
if (original.GetType() != changed.GetType())
{
throw new InvalidOperationException($"Objects to be compared must be the same type, Object 1 => {original.GetType().FullName} == {changed.GetType().FullName}");
}
if (original.Id != changed.Id)
{
throw new InvalidOperationException($"Can not change, or compare two objects with different id's, original id => {original.Id} changed id => {changed.Id} record type => {typeof(TEntity).Name}");
}
var auditTrail = new AuditTrail();
auditTrail.Changes = new List <Change>();
auditTrail.User = user;
auditTrail.Id = original.Id;
auditTrail.EntityName = typeof(TEntity).Name;
auditTrail.DateStamp = DateTime.Now.ToJSONString();
var properties = original.GetType().GetTypeInfo().DeclaredProperties;
foreach (var prop in properties)
{
var propertyDisplay = prop.Name;
var attr = prop.GetCustomAttributes(typeof(FormFieldAttribute), true).OfType <FormFieldAttribute>().FirstOrDefault();;
if (attr != null && attr.ResourceType != null && !String.IsNullOrEmpty(attr.LabelDisplayResource))
{
var labelProperty = attr.ResourceType.GetTypeInfo().GetDeclaredProperty(attr.LabelDisplayResource);
propertyDisplay = (labelProperty != null) ? (string)labelProperty.GetValue(labelProperty.DeclaringType, null) : (string)null;
}
var oldValue = prop.GetValue(original);
var newValue = prop.GetValue(changed);
if (prop.PropertyType == typeof(string))
{
var strOldValue = oldValue as String;
var strNewValue = newValue as String;
if (strOldValue != strNewValue)
{
if (!String.IsNullOrEmpty(strOldValue) || !String.IsNullOrEmpty(strNewValue))
{
if (String.IsNullOrEmpty(strOldValue))
{
auditTrail.Changes.Add(new Change()
{
Name = propertyDisplay,
OldValue = ComparatorResources.EmptyValue,
NewValue = strNewValue,
Message = ComparatorResources.Property_Empty_To_Value.Replace(PROPERTY_NAME, propertyDisplay).Replace(NEW_VALUE, strNewValue)
});
}
else if (String.IsNullOrEmpty(strNewValue))
{
auditTrail.Changes.Add(new Change()
{
Name = propertyDisplay,
NewValue = ComparatorResources.EmptyValue,
OldValue = strOldValue,
Message = ComparatorResources.Property_Value_To_Empty.Replace(PROPERTY_NAME, propertyDisplay).Replace(OLD_VALUE, strOldValue)
});
}
else
{
auditTrail.Changes.Add(new Change()
{
Name = propertyDisplay,
OldValue = strOldValue,
NewValue = strNewValue,
Message = ComparatorResources.PropertyValueChanged.Replace(PROPERTY_NAME, propertyDisplay).Replace(OLD_VALUE, strOldValue).Replace(NEW_VALUE, strNewValue)
});
}
}
}
}
else
{
if (oldValue == null && newValue != null)
{
auditTrail.Changes.Add(new Change()
{
Name = propertyDisplay,
OldValue = ComparatorResources.EmptyValue,
NewValue = newValue.ToString(),
Message = ComparatorResources.Property_Empty_To_Value.Replace(PROPERTY_NAME, propertyDisplay).Replace(NEW_VALUE, newValue.ToString())
});
}
else if (newValue == null && oldValue != null)
{
auditTrail.Changes.Add(new Change()
{
Name = propertyDisplay,
NewValue = ComparatorResources.EmptyValue,
OldValue = oldValue.ToString(),
Message = ComparatorResources.Property_Value_To_Empty.Replace(PROPERTY_NAME, propertyDisplay).Replace(OLD_VALUE, oldValue.ToString())
});
}
else if (newValue != null && oldValue != null && !oldValue.Equals(newValue))
{
auditTrail.Changes.Add(new Change()
{
Name = propertyDisplay,
OldValue = oldValue.ToString(),
NewValue = newValue.ToString(),
Message = ComparatorResources.PropertyValueChanged.Replace(PROPERTY_NAME, propertyDisplay).Replace(OLD_VALUE, oldValue.ToString()).Replace(NEW_VALUE, newValue.ToString())
});
}
}
}
return(auditTrail);
}
