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Last active April 19, 2021 13:21
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Umbraco Forms - to populate the prevalues with a data-source from a Contentment data-editor
/* Copyright © 2021 Lee Kelleher.
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
using System;
using System.Collections.Generic;
using System.Linq;
using Newtonsoft.Json.Linq;
using Umbraco.Community.Contentment.DataEditors;
using Umbraco.Core.Services;
using Umbraco.Forms.Core.Models;
using Umbraco.Forms.Core.Providers.PreValues;
namespace Umbraco.Community.Contentment.Forms.PreValueSources
{
internal sealed class ContentmentDataSourcePreValueSource : UmbracoPreValuesReadOnly
{
private readonly ConfigurationEditorUtility _configurationEditorUtility;
private readonly IDataTypeService _dataTypeService;
private readonly Dictionary<string, string> _dataSourceKeys;
public ContentmentDataSourcePreValueSource(ConfigurationEditorUtility configurationEditorUtility, IDataTypeService dataTypeService)
{
_configurationEditorUtility = configurationEditorUtility;
_dataTypeService = dataTypeService;
_dataSourceKeys = new Dictionary<string, string>()
{
{ "DataList", "dataSource" },
{ "TextInput", "items" },
};
Id = new Guid("44578A69-9F9D-443F-8DC7-2512B0877F98");
Name = "[Contentment] Data Source";
Description = "Populates the prevalues with a data-source from a Contentment data-editor.";
}
public override List<PreValue> GetPreValues(Field field, Form form)
{
if (int.TryParse(DataTypeId, out var dataTypeId) == true && dataTypeId > 0)
{
var dataType = _dataTypeService.GetDataType(dataTypeId);
if (dataType != null && _dataSourceKeys.TryGetValue(dataType.EditorAlias, out var dataSourceKey) == true)
{
if (dataType.Configuration is Dictionary<string, object> config &&
config.TryGetValue(dataSourceKey, out var obj1) == true &&
obj1 is JArray array1 &&
array1.Count > 0 &&
array1[0] is JObject item1)
{
var source = _configurationEditorUtility.GetConfigurationEditor<IDataListSource>(item1.Value<string>("key"));
if (source != null)
{
var sourceConfig = item1["value"].ToObject<Dictionary<string, object>>();
var items = source?.GetItems(sourceConfig);
if (items?.Any() == true)
{
return items.Select(x => new PreValue { Id = x.Value, Value = x.Name, }).ToList();
}
}
}
}
}
// Fallback on the base method from `UmbracoPreValuesReadOnly`. ¯\_(ツ)_/¯
return base.GetPreValues(field, form);
}
}
}
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