Files
Umbraco-CMS/src/Umbraco.Web/Models/Mapping/PreValueDisplayResolver.cs

80 lines
3.3 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using AutoMapper;
using Umbraco.Core;
using Umbraco.Core.Logging;
using Umbraco.Core.Models;
using Umbraco.Core.PropertyEditors;
using Umbraco.Core.Services;
using Umbraco.Web.Models.ContentEditing;
namespace Umbraco.Web.Models.Mapping
{
internal class PreValueDisplayResolver : ValueResolver<IDataTypeDefinition, IEnumerable<PreValueFieldDisplay>>
{
private readonly Lazy<IDataTypeService> _dataTypeService;
public PreValueDisplayResolver(Lazy<IDataTypeService> dataTypeService)
{
_dataTypeService = dataTypeService;
}
/// <summary>
/// Maps pre-values in the dictionary to the values for the fields
/// </summary>
/// <param name="fields"></param>
/// <param name="preValues"></param>
internal static void MapPreValueValuesToPreValueFields(PreValueFieldDisplay[] fields, IDictionary<string, object> preValues)
{
if (fields == null) throw new ArgumentNullException("fields");
if (preValues == null) throw new ArgumentNullException("preValues");
//now we need to wire up the pre-values values with the actual fields defined
foreach (var field in fields)
{
var found = preValues.Any(x => x.Key.InvariantEquals(field.Key));
if (found == false)
{
LogHelper.Warn<PreValueDisplayResolver>("Could not find persisted pre-value for field " + field.Key);
continue;
}
field.Value = preValues.Single(x => x.Key.InvariantEquals(field.Key)).Value;
}
}
internal IEnumerable<PreValueFieldDisplay> Convert(IDataTypeDefinition source)
{
PropertyEditor propEd = null;
if (source.PropertyEditorAlias.IsNullOrWhiteSpace() == false)
{
propEd = PropertyEditorResolver.Current.GetByAlias(source.PropertyEditorAlias);
if (propEd == null)
{
throw new InvalidOperationException("Could not find property editor with alias " + source.PropertyEditorAlias);
}
}
//set up the defaults
var dataTypeService = _dataTypeService.Value;
var preVals = dataTypeService.GetPreValuesCollectionByDataTypeId(source.Id);
IDictionary<string, object> dictionaryVals = preVals.FormatAsDictionary().ToDictionary(x => x.Key, x => (object)x.Value);
var result = Enumerable.Empty<PreValueFieldDisplay>().ToArray();
//if we have a prop editor, then format the pre-values based on it and create it's fields.
if (propEd != null)
{
result = propEd.PreValueEditor.Fields.Select(Mapper.Map<PreValueFieldDisplay>).ToArray();
dictionaryVals = propEd.PreValueEditor.ConvertDbToEditor(propEd.DefaultPreValues, preVals);
}
MapPreValueValuesToPreValueFields(result, dictionaryVals);
return result;
}
protected override IEnumerable<PreValueFieldDisplay> ResolveCore(IDataTypeDefinition source)
{
return Convert(source);
}
}
}