navidrome/persistence/sql_search.go

70 lines
1.8 KiB
Go

package persistence
import (
"strings"
. "github.com/Masterminds/squirrel"
"github.com/deluan/navidrome/log"
"github.com/kennygrant/sanitize"
)
const searchTable = "search"
func (r sqlRepository) index(id string, text ...string) error {
sanitizedText := strings.Builder{}
for _, txt := range text {
sanitizedText.WriteString(strings.TrimSpace(sanitize.Accents(strings.ToLower(txt))) + " ")
}
values := map[string]interface{}{
"id": id,
"item_type": r.tableName,
"full_text": strings.TrimSpace(sanitizedText.String()),
}
update := Update(searchTable).Where(Eq{"id": id}).SetMap(values)
count, err := r.executeSQL(update)
if err != nil {
return err
}
if count > 0 {
return nil
}
insert := Insert(searchTable).SetMap(values)
_, err = r.executeSQL(insert)
return err
}
func (r sqlRepository) doSearch(q string, offset, size int, results interface{}, orderBys ...string) error {
q = strings.TrimSpace(sanitize.Accents(strings.ToLower(strings.TrimSuffix(q, "*"))))
if len(q) < 2 {
return nil
}
sq := r.newSelectWithAnnotation(r.tableName + ".id").Columns("*")
sq = sq.Limit(uint64(size)).Offset(uint64(offset))
if len(orderBys) > 0 {
sq = sq.OrderBy(orderBys...)
}
sq = sq.Join("search").Where("search.id = " + r.tableName + ".id")
parts := strings.Split(q, " ")
for _, part := range parts {
sq = sq.Where(Or{
Like{"full_text": part + "%"},
Like{"full_text": "%" + part + "%"},
})
}
err := r.queryAll(sq, results)
return err
}
func (r sqlRepository) cleanSearchIndex() error {
del := Delete(searchTable).Where(Eq{"item_type": r.tableName}).Where("id not in (select id from " + r.tableName + ")")
c, err := r.executeSQL(del)
if err != nil {
return err
}
if c > 0 {
log.Debug(r.ctx, "Clean-up search index", "table", r.tableName, "totalDeleted", c)
}
return nil
}