Files
Umbraco-CMS/src/Umbraco.Web/PropertyEditors/ValueConverters/NestedContentManyValueConverter.cs
2019-11-01 22:56:47 +01:00

84 lines
3.5 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using Umbraco.Core.Logging;
using Umbraco.Core.Models.PublishedContent;
using Umbraco.Core.PropertyEditors;
using Umbraco.Core.PropertyEditors.ValueConverters;
using Umbraco.Web.PublishedCache;
namespace Umbraco.Web.PropertyEditors.ValueConverters
{
/// <inheritdoc />
/// <summary>
/// Provides an implementation for <see cref="T:Umbraco.Core.PropertyEditors.IPropertyValueConverter" /> for nested content.
/// </summary>
[DefaultPropertyValueConverter(typeof(JsonValueConverter))]
public class NestedContentManyValueConverter : NestedContentValueConverterBase
{
private readonly IProfilingLogger _proflog;
/// <summary>
/// Initializes a new instance of the <see cref="NestedContentManyValueConverter"/> class.
/// </summary>
public NestedContentManyValueConverter(IPublishedSnapshotAccessor publishedSnapshotAccessor, IPublishedModelFactory publishedModelFactory, IProfilingLogger proflog)
: base(publishedSnapshotAccessor, publishedModelFactory)
{
_proflog = proflog;
}
/// <inheritdoc />
public override bool IsConverter(IPublishedPropertyType propertyType)
=> IsNestedMany(propertyType);
/// <inheritdoc />
public override Type GetPropertyValueType(IPublishedPropertyType propertyType)
{
var contentTypes = propertyType.DataType.ConfigurationAs<NestedContentConfiguration>().ContentTypes;
return contentTypes.Length == 1
? typeof (IEnumerable<>).MakeGenericType(ModelType.For(contentTypes[0].Alias))
: typeof (IEnumerable<IPublishedElement>);
}
/// <inheritdoc />
public override PropertyCacheLevel GetPropertyCacheLevel(IPublishedPropertyType propertyType)
=> PropertyCacheLevel.Element;
/// <inheritdoc />
public override object ConvertSourceToIntermediate(IPublishedElement owner, IPublishedPropertyType propertyType, object source, bool preview)
{
return source?.ToString();
}
/// <inheritdoc />
public override object ConvertIntermediateToObject(IPublishedElement owner, IPublishedPropertyType propertyType, PropertyCacheLevel referenceCacheLevel, object inter, bool preview)
{
using (_proflog.DebugDuration<NestedContentManyValueConverter>($"ConvertPropertyToNestedContent ({propertyType.DataType.Id})"))
{
var configuration = propertyType.DataType.ConfigurationAs<NestedContentConfiguration>();
var contentTypes = configuration.ContentTypes;
var elements = contentTypes.Length == 1
? PublishedModelFactory.CreateModelList(contentTypes[0].Alias)
: new List<IPublishedElement>();
var value = (string)inter;
if (string.IsNullOrWhiteSpace(value)) return elements;
var objects = JsonConvert.DeserializeObject<List<JObject>>(value);
if (objects.Count == 0) return elements;
foreach (var sourceObject in objects)
{
var element = ConvertToElement(sourceObject, referenceCacheLevel, preview);
if (element != null)
elements.Add(element);
}
return elements;
}
}
}
}