github.com/weaviate/weaviate@v1.24.6/modules/text-spellcheck/transformer/autocorrect/autocorrect.go (about)

     1  //                           _       _
     2  // __      _____  __ ___   ___  __ _| |_ ___
     3  // \ \ /\ / / _ \/ _` \ \ / / |/ _` | __/ _ \
     4  //  \ V  V /  __/ (_| |\ V /| | (_| | ||  __/
     5  //   \_/\_/ \___|\__,_| \_/ |_|\__,_|\__\___|
     6  //
     7  //  Copyright © 2016 - 2024 Weaviate B.V. All rights reserved.
     8  //
     9  //  CONTACT: hello@weaviate.io
    10  //
    11  
    12  package autocorrect
    13  
    14  import (
    15  	"context"
    16  	"strings"
    17  
    18  	"github.com/weaviate/weaviate/modules/text-spellcheck/ent"
    19  )
    20  
    21  type spellCheckClient interface {
    22  	Check(ctx context.Context, text []string) (*ent.SpellCheckResult, error)
    23  }
    24  
    25  type AutocorrectTransformer struct {
    26  	spellCheckClient spellCheckClient
    27  }
    28  
    29  func New(spellCheckClient spellCheckClient) *AutocorrectTransformer {
    30  	return &AutocorrectTransformer{spellCheckClient}
    31  }
    32  
    33  func (t *AutocorrectTransformer) Transform(in []string) ([]string, error) {
    34  	spellCheckResult, err := t.spellCheckClient.Check(context.Background(), in)
    35  	if err != nil {
    36  		return nil, err
    37  	}
    38  	result := make([]string, len(in))
    39  	changes := spellCheckResult.Changes
    40  	for i, txt := range spellCheckResult.Text {
    41  		didYouMean := txt
    42  		for _, change := range changes {
    43  			didYouMean = strings.ReplaceAll(strings.ToLower(didYouMean), change.Original, change.Correction)
    44  		}
    45  		result[i] = didYouMean
    46  	}
    47  	return result, nil
    48  }