Files
Umbraco-CMS/src/Umbraco.Web/Models/PublishedProperty.cs
2018-03-16 09:11:59 +01:00

59 lines
2.8 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using Umbraco.Core.Models;
using Umbraco.Core.Models.PublishedContent;
using Umbraco.Web.Composing;
namespace Umbraco.Web.Models
{
public static class PublishedProperty
{
/// <summary>
/// Maps a collection of Property to a collection of IPublishedProperty for a specified collection of PublishedPropertyType.
/// </summary>
/// <param name="propertyTypes">The published property types.</param>
/// <param name="properties">The properties.</param>
/// <param name="map">A mapping function.</param>
/// <returns>A collection of IPublishedProperty corresponding to the collection of PublishedPropertyType
/// and taking values from the collection of Property.</returns>
/// <remarks>Ensures that all conversions took place correctly.</remarks>
internal static IEnumerable<IPublishedProperty> MapProperties(
IEnumerable<PublishedPropertyType> propertyTypes, IEnumerable<Property> properties,
Func<PublishedPropertyType, object, IPublishedProperty> map)
{
var propertyEditors = Current.PropertyEditors;
var dataTypeService = Current.Services.DataTypeService;
// fixme not dealing with variants
// but the entire thing should die anyways
return propertyTypes.Select(x =>
{
var p = properties.SingleOrDefault(xx => xx.Alias == x.Alias);
var v = p == null || p.GetValue() == null ? null : p.GetValue();
if (v != null)
{
var e = propertyEditors[x.EditorAlias];
// We are converting to string, even for database values which are integer or
// DateTime, which is not optimum. Doing differently would require that we have a way to tell
// whether the conversion to XML string changes something or not... which we don't, and we
// don't want to implement it as PropertyValueEditor.ConvertDbToXml/String should die anyway.
// Don't think about improving the situation here: this is a corner case and the real
// thing to do is to get rig of PropertyValueEditor.ConvertDbToXml/String.
// Use ConvertDbToString to keep it simple, although everywhere we use ConvertDbToXml and
// nothing ensures that the two methods are consistent.
if (e != null)
v = e.GetValueEditor().ConvertDbToString(p.PropertyType, v, dataTypeService);
}
return map(x, v);
});
}
}
}