public static async Task <IActionResult> Run(
[HttpTrigger(AuthorizationLevel.Function, "get", "post", Route = null)] HttpRequest req,
ILogger log)
{
log.LogInformation("C# HTTP trigger function processed a request.");
string q = req.Query["q"];
string top = req.Query["top"];
string suggester = req.Query["suggester"];
string requestBody = await new StreamReader(req.Body).ReadToEndAsync();
dynamic data = JsonConvert.DeserializeObject(requestBody);
q = q ?? data?.q;
top = top ?? data?.top;
suggester = suggester ?? data?.suggester;
AutocompleteOptions options = new AutocompleteOptions()
{
Size = int.Parse(top)
};
var response = await searchClient.AutocompleteAsync(q, suggester, options);
var output = new Dictionary <string, List <AutocompleteItem> >();
output["suggestions"] = response.Value.Results.ToList();
return(new OkObjectResult(output));
}
public async Task GetsNewtonsoftJsonAutocompleteResults()
{
var result = await _target.AutocompleteAsync("newt");
Assert.True(result.TotalHits > 0);
Assert.True(result.Data.Count > 0);
Assert.Contains(result.Data, id => id == "Newtonsoft.Json");
}
public async Task <ActionResult> AutoCompleteAsync(string term)
{
InitSearch();
// Setup the autocomplete parameters.
var ap = new AutocompleteOptions()
{
Mode = AutocompleteMode.OneTermWithContext,
Size = 6
};
var autocompleteResult = await _searchClient.AutocompleteAsync(term, "sg", ap).ConfigureAwait(false);
// Convert the autocompleteResult results to a list that can be displayed in the client.
List <string> autocomplete = autocompleteResult.Value.Results.Select(x => x.Text).ToList();
return(new JsonResult(autocomplete));
}
/// <summary>
/// Gets suggested query terms by calling <see cref="SearchClient.AutocompleteAsync(string, string, AutocompleteOptions, CancellationToken)"/>.
/// </summary>
/// <param name="cancellationToken">The token used to signal cancellation request.</param>
public override async Task RunAsync(CancellationToken cancellationToken)
{
AutocompleteResults autocompleteResults = (await SearchClient.AutocompleteAsync(SearchText, SuggesterName, cancellationToken: cancellationToken)).Value;
#if DEBUG
Assert.AreEqual(1, autocompleteResults.Results.Count);
Assert.AreEqual("historic", autocompleteResults.Results[0].Text);
#endif
}
public async Task <List <string> > AutoCompleteAndSuggestAsync(string term)
{
if (string.IsNullOrEmpty(term))
{
return(new List <string>());
}
// Setup the type-ahead search parameters.
var ap = new AutocompleteOptions()
{
Mode = AutocompleteMode.OneTermWithContext,
Size = 1,
};
var autocompleteResult = await _searchclient.AutocompleteAsync(term, "sg", ap);
// Setup the suggest search parameters.
var sp = new SuggestOptions()
{
Size = 8,
};
// Only one suggester can be specified per index. The name of the suggester is set when the suggester is specified by other API calls.
// The suggester for the hotel database is called "sg" and simply searches the hotel name.
var suggestResult = await _searchclient.SuggestAsync <Hotel>(term, "sg", sp).ConfigureAwait(false);
// Create an empty list.
var results = new List <string>();
if (autocompleteResult.Value.Results.Count > 0)
{
// Add the top result for type-ahead.
results.Add(autocompleteResult.Value.Results[0].Text);
}
else
{
// There were no type-ahead suggestions, so add an empty string.
results.Add("");
}
for (int n = 0; n < suggestResult.Value.Results.Count; n++)
{
// Now add the suggestions.
results.Add(suggestResult.Value.Results[n].Text);
}
return(results);
}
