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photoview/api/graphql/resolvers/search.go

82 lines
2.1 KiB
Go

package resolvers
import (
"context"
"github.com/photoview/photoview/api/graphql/auth"
"github.com/pkg/errors"
"gorm.io/gorm/clause"
"github.com/photoview/photoview/api/graphql/models"
)
func (r *Resolver) Search(ctx context.Context, query string, _limitMedia *int, _limitAlbums *int) (*models.SearchResult, error) {
user := auth.UserFromContext(ctx)
if user == nil {
return nil, auth.ErrUnauthorized
}
limitMedia := 10
limitAlbums := 10
if _limitMedia != nil {
limitMedia = *_limitMedia
}
if _limitAlbums != nil {
limitAlbums = *_limitAlbums
}
wildQuery := "%" + query + "%"
var media []*models.Media
userSubquery := r.Database.Table("user_albums").Where("user_id = ?", user.ID)
if r.Database.Dialector.Name() == "postgres" {
userSubquery = userSubquery.Where("album_id = \"Album\".id")
} else {
userSubquery = userSubquery.Where("album_id = Album.id")
}
err := r.Database.Joins("Album").
Where("EXISTS (?)", userSubquery).
Where("media.title LIKE ? OR media.path LIKE ?", wildQuery, wildQuery).
Clauses(clause.OrderBy{
Expression: clause.Expr{
SQL: "(CASE WHEN media.title LIKE ? THEN 2 WHEN media.path LIKE ? THEN 1 END) DESC",
Vars: []interface{}{wildQuery, wildQuery},
WithoutParentheses: true},
}).
Limit(limitMedia).Find(&media).Error
if err != nil {
return nil, errors.Wrapf(err, "searching media")
}
var albums []*models.Album
err = r.Database.
Where("EXISTS (?)", r.Database.Table("user_albums").Where("user_id = ?", user.ID).Where("album_id = albums.id")).
Where("albums.title LIKE ? OR albums.path LIKE ?", wildQuery, wildQuery).
Clauses(clause.OrderBy{
Expression: clause.Expr{
SQL: "(CASE WHEN albums.title LIKE ? THEN 2 WHEN albums.path LIKE ? THEN 1 END) DESC",
Vars: []interface{}{wildQuery, wildQuery},
WithoutParentheses: true},
}).
Limit(limitAlbums).
Find(&albums).Error
if err != nil {
return nil, errors.Wrapf(err, "searching albums")
}
result := models.SearchResult{
Query: query,
Media: media,
Albums: albums,
}
return &result, nil
}