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search.go
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search.go
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package classifier
import (
"context"
"fmt"
"github.com/bitmagnet-io/bitmagnet/internal/classifier/classification"
"github.com/bitmagnet-io/bitmagnet/internal/database/query"
"github.com/bitmagnet-io/bitmagnet/internal/database/search"
"github.com/bitmagnet-io/bitmagnet/internal/model"
)
type LocalSearch interface {
ContentById(context.Context, model.ContentRef) (model.Content, error)
ContentBySearch(context.Context, model.ContentType, string, model.Year) (model.Content, error)
}
type localSearch struct {
search.Search
}
func (l localSearch) ContentById(ctx context.Context, ref model.ContentRef) (model.Content, error) {
options := []query.Option{
query.Where(
search.ContentTypeCriteria(ref.Type),
),
search.ContentDefaultPreload(),
search.ContentDefaultHydrate(),
query.Limit(1),
}
if ref.Source == "tmdb" {
options = append(options, query.Where(
search.ContentCanonicalIdentifierCriteria(model.ContentRef{
Source: ref.Source,
ID: ref.ID,
}),
))
} else {
options = append(options, query.Where(
search.ContentAlternativeIdentifierCriteria(model.ContentRef{
Source: ref.Source,
ID: ref.ID,
}),
))
}
result, err := l.Search.Content(ctx, options...)
if err != nil {
return model.Content{}, err
}
if len(result.Items) == 0 {
return model.Content{}, classification.ErrUnmatched
}
return result.Items[0].Content, nil
}
func (l localSearch) ContentBySearch(ctx context.Context, ct model.ContentType, baseTitle string, year model.Year) (model.Content, error) {
options := []query.Option{
query.Where(search.ContentTypeCriteria(ct)),
query.QueryString(fmt.Sprintf("\"%s\"", baseTitle)),
query.OrderByQueryStringRank(),
query.Limit(5),
search.ContentDefaultPreload(),
search.ContentDefaultHydrate(),
}
if !year.IsNil() {
options = append(options, query.Where(search.ContentReleaseDateCriteria(model.NewDateRangeFromYear(year))))
}
result, searchErr := l.Search.Content(
ctx,
options...,
)
if searchErr != nil {
return model.Content{}, searchErr
}
var content *model.Content
for _, item := range result.Items {
candidates := []string{item.Title}
if item.OriginalTitle.Valid {
candidates = append(candidates, item.OriginalTitle.String)
}
if levenshteinCheck(baseTitle, candidates, levenshteinThreshold) {
c := item.Content
content = &c
break
}
}
if content == nil {
return model.Content{}, classification.ErrUnmatched
}
return *content, nil
}