public void PopulateWithNonDefaultValues(object to, object from)
{
var nonDefaultPredicate = (Func <object, Type, bool>)((x, t) =>
x != null && !Equals(x, AutoMappingUtils.GetDefaultValue(t))
);
Populate(to, from, null, nonDefaultPredicate);
}
private Dictionary <string, object> ResolveDtoValues(object dto, bool skipDefaults = false)
{
var dtoValues = dto.ToObjectDictionary();
var meta = AutoCrudMetadata.Create(dto.GetType());
if (meta.MapAttrs != null)
{
foreach (var entry in meta.MapAttrs)
{
if (dtoValues.TryRemove(entry.Key, out var value))
{
dtoValues[entry.Value.To] = value;
}
}
}
var appHost = HostContext.AppHost;
if (skipDefaults || meta.UpdateAttrs != null || meta.DefaultAttrs != null)
{
List <string> removeKeys = null;
Dictionary <string, object> replaceValues = null;
foreach (var entry in dtoValues)
{
var isNullable = meta.NullableProps?.Contains(entry.Key) == true;
var isDefaultValue = entry.Value == null || (!isNullable && AutoMappingUtils.IsDefaultValue(entry.Value));
if (isDefaultValue)
{
var handled = false;
if (meta.DefaultAttrs != null && meta.DefaultAttrs.TryGetValue(entry.Key, out var defaultAttr))
{
handled = true;
replaceValues ??= new Dictionary <string, object>();
replaceValues[entry.Key] = appHost.EvalScriptValue(defaultAttr, Request);
}
if (!handled)
{
if (skipDefaults ||
(meta.UpdateAttrs != null && meta.UpdateAttrs.TryGetValue(entry.Key, out var attr) &&
attr.Style == AutoUpdateStyle.NonDefaults))
{
removeKeys ??= new List <string>();
removeKeys.Add(entry.Key);
}
}
}
}
if (removeKeys != null)
{
foreach (var key in removeKeys)
{
dtoValues.RemoveKey(key);
}
}
if (replaceValues != null)
{
foreach (var entry in replaceValues)
{
dtoValues[entry.Key] = entry.Value;
}
}
}
if (meta.PopulateAttrs != null)
{
foreach (var populateAttr in meta.PopulateAttrs)
{
dtoValues[populateAttr.Field] = appHost.EvalScriptValue(populateAttr, Request);
}
}
var populatorFn = AutoMappingUtils.GetPopulator(
typeof(Dictionary <string, object>), meta.DtoType);
populatorFn?.Invoke(dtoValues, dto);
// Ensure RowVersion is always populated if defined on Request DTO
if (meta.RowVersionGetter != null && !dtoValues.ContainsKey(Keywords.RowVersion))
{
dtoValues[Keywords.RowVersion] = default(uint);
}
return(dtoValues);
}
