75 lines
3.1 KiB
C#
75 lines
3.1 KiB
C#
// Copyright (c) Umbraco.
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// See LICENSE for more details.
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using System;
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using System.Linq;
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using Newtonsoft.Json.Linq;
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using Umbraco.Extensions;
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namespace Umbraco.Cms.Core.PropertyEditors
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{
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/// <summary>
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/// A handler for NestedContent used to bind to notifications
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/// </summary>
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public class NestedContentPropertyHandler : ComplexPropertyEditorContentNotificationHandler
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{
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protected override string EditorAlias => Constants.PropertyEditors.Aliases.NestedContent;
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protected override string FormatPropertyValue(string rawJson, bool onlyMissingKeys) => CreateNestedContentKeys(rawJson, onlyMissingKeys, null);
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// internal for tests
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internal string CreateNestedContentKeys(string rawJson, bool onlyMissingKeys, Func<Guid> createGuid = null)
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{
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// used so we can test nicely
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if (createGuid == null)
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createGuid = () => Guid.NewGuid();
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if (string.IsNullOrWhiteSpace(rawJson) || !rawJson.DetectIsJson())
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return rawJson;
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// Parse JSON
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var complexEditorValue = JToken.Parse(rawJson);
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UpdateNestedContentKeysRecursively(complexEditorValue, onlyMissingKeys, createGuid);
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return complexEditorValue.ToString();
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}
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private void UpdateNestedContentKeysRecursively(JToken json, bool onlyMissingKeys, Func<Guid> createGuid)
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{
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// check if this is NC
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var isNestedContent = json.SelectTokens($"$..['{NestedContentPropertyEditor.ContentTypeAliasPropertyKey}']", false).Any();
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// select all values (flatten)
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var allProperties = json.SelectTokens("$..*").OfType<JValue>().Select(x => x.Parent as JProperty).WhereNotNull().ToList();
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foreach (var prop in allProperties)
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{
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if (prop.Name == NestedContentPropertyEditor.ContentTypeAliasPropertyKey)
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{
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// get it's sibling 'key' property
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var ncKeyVal = prop.Parent["key"] as JValue;
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if ((onlyMissingKeys && ncKeyVal == null) || (!onlyMissingKeys && ncKeyVal != null))
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{
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// create or replace
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prop.Parent["key"] = createGuid().ToString();
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}
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}
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else if (!isNestedContent || prop.Name != "key")
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{
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// this is an arbitrary property that could contain a nested complex editor
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var propVal = prop.Value?.ToString();
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// check if this might contain a nested NC
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if (!propVal.IsNullOrWhiteSpace() && propVal.DetectIsJson() && propVal.InvariantContains(NestedContentPropertyEditor.ContentTypeAliasPropertyKey))
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{
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// recurse
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var parsed = JToken.Parse(propVal);
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UpdateNestedContentKeysRecursively(parsed, onlyMissingKeys, createGuid);
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// set the value to the updated one
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prop.Value = parsed.ToString();
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}
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}
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}
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}
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}
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}
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