github.com/weaviate/weaviate@v1.24.6/modules/qna-openai/additional/answer/answer_result.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 answer
    13  
    14  import (
    15  	"context"
    16  	"errors"
    17  	"strings"
    18  
    19  	"github.com/weaviate/weaviate/entities/models"
    20  	"github.com/weaviate/weaviate/entities/moduletools"
    21  	"github.com/weaviate/weaviate/entities/search"
    22  	qnamodels "github.com/weaviate/weaviate/modules/qna-openai/additional/models"
    23  )
    24  
    25  func (p *AnswerProvider) findAnswer(ctx context.Context, in []search.Result, params *Params, limit *int, argumentModuleParams map[string]interface{}, cfg moduletools.ClassConfig) ([]search.Result, error) {
    26  	if len(in) == 0 {
    27  		return in, nil
    28  	}
    29  	question := p.paramsHelper.GetQuestion(argumentModuleParams["ask"])
    30  	if question == "" {
    31  		return in, errors.New("empty question")
    32  	}
    33  	properties := p.paramsHelper.GetProperties(argumentModuleParams["ask"])
    34  
    35  	for i := range in {
    36  		textProperties := map[string]string{}
    37  		schema := in[i].Object().Properties.(map[string]interface{})
    38  		for property, value := range schema {
    39  			if p.containsProperty(property, properties) {
    40  				if valueString, ok := value.(string); ok && len(valueString) > 0 {
    41  					textProperties[property] = valueString
    42  				}
    43  			}
    44  		}
    45  
    46  		var texts []string
    47  		for _, value := range textProperties {
    48  			texts = append(texts, value)
    49  		}
    50  		text := strings.Join(texts, " ")
    51  		if len(text) == 0 {
    52  			return in, errors.New("empty content")
    53  		}
    54  
    55  		answer, err := p.qna.Answer(ctx, text, question, cfg)
    56  		if err != nil {
    57  			return in, err
    58  		}
    59  
    60  		ap := in[i].AdditionalProperties
    61  		if ap == nil {
    62  			ap = models.AdditionalProperties{}
    63  		}
    64  		propertyName, startPos, endPos := p.findProperty(answer.Answer, textProperties)
    65  		ap["answer"] = &qnamodels.Answer{
    66  			Result:        answer.Answer,
    67  			Property:      propertyName,
    68  			StartPosition: startPos,
    69  			EndPosition:   endPos,
    70  			HasAnswer:     answer.Answer != nil,
    71  		}
    72  
    73  		in[i].AdditionalProperties = ap
    74  	}
    75  
    76  	return in, nil
    77  }
    78  
    79  func (p *AnswerProvider) containsProperty(property string, properties []string) bool {
    80  	if len(properties) == 0 {
    81  		return true
    82  	}
    83  	for i := range properties {
    84  		if properties[i] == property {
    85  			return true
    86  		}
    87  	}
    88  	return false
    89  }
    90  
    91  func (p *AnswerProvider) findProperty(answer *string, textProperties map[string]string) (*string, int, int) {
    92  	if answer == nil {
    93  		return nil, 0, 0
    94  	}
    95  	lowercaseAnswer := strings.ToLower(*answer)
    96  	if len(lowercaseAnswer) > 0 {
    97  		for property, value := range textProperties {
    98  			lowercaseValue := strings.ToLower(strings.ReplaceAll(value, "\n", " "))
    99  			if strings.Contains(lowercaseValue, lowercaseAnswer) {
   100  				startIndex := strings.Index(lowercaseValue, lowercaseAnswer)
   101  				return &property, startIndex, startIndex + len(lowercaseAnswer)
   102  			}
   103  		}
   104  	}
   105  	propertyNotFound := ""
   106  	return &propertyNotFound, 0, 0
   107  }