stash/pkg/sqlite/fingerprint.go

116 lines
2.5 KiB
Go

package sqlite
import (
"context"
"fmt"
"github.com/doug-martin/goqu/v9"
"github.com/doug-martin/goqu/v9/exp"
"github.com/stashapp/stash/pkg/models"
"gopkg.in/guregu/null.v4"
)
const (
fingerprintTable = "files_fingerprints"
)
type fingerprintQueryRow struct {
Type null.String `db:"fingerprint_type"`
Fingerprint interface{} `db:"fingerprint"`
}
func (r fingerprintQueryRow) valid() bool {
return r.Type.Valid
}
func (r *fingerprintQueryRow) resolve() models.Fingerprint {
return models.Fingerprint{
Type: r.Type.String,
Fingerprint: r.Fingerprint,
}
}
type fingerprintQueryBuilder struct {
repository
tableMgr *table
}
var FingerprintReaderWriter = &fingerprintQueryBuilder{
repository: repository{
tableName: fingerprintTable,
idColumn: fileIDColumn,
},
tableMgr: fingerprintTableMgr,
}
func (qb *fingerprintQueryBuilder) insert(ctx context.Context, fileID models.FileID, f models.Fingerprint) error {
table := qb.table()
q := dialect.Insert(table).Cols(fileIDColumn, "type", "fingerprint").Vals(
goqu.Vals{fileID, f.Type, f.Fingerprint},
)
_, err := exec(ctx, q)
if err != nil {
return fmt.Errorf("inserting into %s: %w", table.GetTable(), err)
}
return nil
}
func (qb *fingerprintQueryBuilder) insertJoins(ctx context.Context, fileID models.FileID, f []models.Fingerprint) error {
for _, ff := range f {
if err := qb.insert(ctx, fileID, ff); err != nil {
return err
}
}
return nil
}
func (qb *fingerprintQueryBuilder) upsertJoins(ctx context.Context, fileID models.FileID, f []models.Fingerprint) error {
types := make([]string, len(f))
for i, ff := range f {
types[i] = ff.Type
}
if err := qb.destroyJoins(ctx, fileID, types); err != nil {
return err
}
for _, ff := range f {
if err := qb.insert(ctx, fileID, ff); err != nil {
return err
}
}
return nil
}
func (qb *fingerprintQueryBuilder) replaceJoins(ctx context.Context, fileID models.FileID, f []models.Fingerprint) error {
if err := qb.destroy(ctx, []int{int(fileID)}); err != nil {
return err
}
return qb.insertJoins(ctx, fileID, f)
}
func (qb *fingerprintQueryBuilder) destroyJoins(ctx context.Context, fileID models.FileID, types []string) error {
table := qb.table()
q := dialect.Delete(table).Where(
table.Col(fileIDColumn).Eq(fileID),
table.Col("type").In(types),
)
_, err := exec(ctx, q)
if err != nil {
return fmt.Errorf("deleting from %s: %w", table.GetTable(), err)
}
return nil
}
func (qb *fingerprintQueryBuilder) table() exp.IdentifierExpression {
return qb.tableMgr.table
}