public List <string> Suggest(string index, string text)
{
List <string> suggestions = new List <string>();
List <string> fieldsToWorkOn = new List <string>();
List <string> suggestionNames = new List <string>();
Type t = typeof(T);
foreach (var m in t.GetProperties())
{
if (m.GetCustomAttributes(typeof(TermSuggest), true).Length > 0)
{
fieldsToWorkOn.Add(m.Name);
}
}
JObject query = new JObject();
JProperty propTextToSuggest = new JProperty("text", text);
query.Add(propTextToSuggest);
foreach (string fieldName in fieldsToWorkOn)
{
JObject termObject = new JObject();
JProperty field = new JProperty("field", fieldName);
termObject.Add(field);
JObject suggest = new JObject();
suggest.Add("term", termObject);
string suggestName = $"my-suggestion-{Guid.NewGuid().ToString()}";
suggestionNames.Add(suggestName);
query.Add(suggestName, suggest);
}
string json = JsonConvert.SerializeObject(query);
PostData <object> jsonPostData = new PostData <object>(json);
ElasticsearchResponse <object> results = _elasticsearchClient.Suggest <object>(index, jsonPostData);
JObject result = JObject.Parse(results.Body.ToString());
foreach (string suggestionName in suggestionNames)
{
MySuggestion[] suggestion = JsonConvert.DeserializeObject <MySuggestion[]>(result[suggestionName].ToString());
List <KeyValuePair <string, List <string> > > options = suggestion.Select(x => new KeyValuePair <string, List <string> >(x.text, x.options.Select(y => y.text).ToList())).ToList();
if (options.Sum(x => x.Value.Count()) > 0) // there is options to suggest
{
suggestions.AddRange(GetCombos(options));
}
}
return(suggestions.Distinct().ToList());
}
