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Indexing JSON values in Umbraco
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public class Bootstrapper : ApplicationEventHandler | |
{ | |
protected override void ApplicationStarted(UmbracoApplicationBase umbracoApplication, ApplicationContext applicationContext) | |
{ | |
base.ApplicationStarted(umbracoApplication, applicationContext); | |
ExamineManager.Instance.IndexProviderCollection["ExternalIndexer"] | |
.GatheringNodeData += (sender, e) => | |
{ | |
// Extract JSON properties | |
var fieldKeys = e.Fields.Keys.ToArray(); | |
foreach (var key in fieldKeys) | |
{ | |
var value = e.Fields[key]; | |
if (value.DetectIsJson()) | |
{ | |
IndexNestedObject(e.Fields, JsonConvert.DeserializeObject(value), key); | |
} | |
} | |
}; | |
} | |
private void IndexNestedObject(Dictionary<string, string> fields, object obj, string prefix) | |
{ | |
var objType = obj.GetType(); | |
if (objType == typeof (JObject)) | |
{ | |
var jObj = obj as JObject; | |
if (jObj != null) | |
{ | |
foreach (var kvp in jObj) | |
{ | |
var propKey = prefix + "_" + kvp.Key; | |
var valueType = kvp.Value.GetType(); | |
if (typeof (JContainer).IsAssignableFrom(valueType)) | |
{ | |
IndexNestedObject(fields, kvp.Value, propKey); | |
} | |
else | |
{ | |
fields.Add(propKey, kvp.Value.ToString().StripHtml()); | |
} | |
} | |
} | |
} | |
else if (objType == typeof (JArray)) | |
{ | |
var jArr = obj as JArray; | |
if (jArr != null) | |
{ | |
for (var i = 0; i < jArr.Count; i++) | |
{ | |
var itm = jArr[i]; | |
var propKey = prefix + "_" + i; | |
var valueType = itm.GetType(); | |
if (typeof(JContainer).IsAssignableFrom(valueType)) | |
{ | |
IndexNestedObject(fields, itm, propKey); | |
} | |
else | |
{ | |
fields.Add(propKey, itm.ToString().StripHtml()); | |
} | |
} | |
} | |
} | |
} | |
} |
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