MongoDB Atlas Search com .NET Blazor para pesquisar texto completo

1
{
2
  "mappings": {
3
    "dynamic": true,
4
    "fields": {
5
      "title": {
6
        "type": "autocomplete"
7
      }
8
    }
9
  }
10
}

1
public IEnumerable<Movie> MovieSearchByText (string textToSearch);

1
public IEnumerable<Movie> MovieSearchByText(string textToSearch)
2
{             
3
// define fuzzy options
4
  SearchFuzzyOptions fuzzyOptions = new SearchFuzzyOptions()
5
  {
6
    MaxEdits = 1,
7
    PrefixLength = 1,   
8
    MaxExpansions = 256
9
  };
10
  
11
  // define and run pipeline
12
  var movies = _movies.Aggregate().Search(Builders<Movie>.Search.Autocomplete(movie => movie.Title, 
13
  textToSearch, fuzzy: fuzzyOptions), indexName: "title").Project<Movie>(Builders<Movie>.Projection
14
  .Exclude(movie => movie.Id)).ToList();
15
  return movies;
16
}       

1
using SeeSharpMovies.Models;
2
using MongoDB.Driver;
3
using MongoDB.Driver.Search;

1
string searchTerm;
2
Timer debounceTimer;
3
int debounceInterval = 200;

1
private void SearchMovies()
2
    {
3
        if (string.IsNullOrWhiteSpace(searchTerm))
4
        {
5
            movies = MongoDBService.GetAllMovies();
6
        }
7
        else
8
        {
9
            movies = MongoDBService.MovieSearchByText(searchTerm);
10
        }
11
   }
12
13
14
void DebounceSearch(object state)
15
    {
16
        if (string.IsNullOrWhiteSpace(searchTerm))
17
        {
18
            SearchMovies();
19
        }
20
        else
21
        {
22
            InvokeAsync(() =>
23
            {
24
                SearchMovies();
25
                StateHasChanged();
26
            });
27
        }
28
    }
29
30
void OnSearchInput(ChangeEventArgs e)
31
    {
32
            searchTerm = e.Value.ToString();
33
            debounceTimer?.Dispose();
34
            debounceTimer = new Timer(DebounceSearch, null, debounceInterval, Timeout.Infinite);
35
    }

1
<div class="form-inline search-bar">
2
    <input class="form-control mr-sm-2"
3
      type="search" placeholder="Search" 
4
      aria-label="Search" 
5
      @oninput="OnSearchInput" @bind="searchTerm">
6
</div>