chore: retire tag store

store/db/postgres/tag.go

@@ -1,70 +0,0 @@
-package postgres
-
-import (
-	"context"
-	"strings"
-
-	"github.com/usememos/memos/store"
-)
-
-func (d *DB) UpsertTag(ctx context.Context, upsert *store.Tag) (*store.Tag, error) {
-	stmt := "INSERT INTO tag (name, creator_id) VALUES ($1, $2) ON CONFLICT (name, creator_id) DO UPDATE SET name = $3"
-	if _, err := d.db.ExecContext(ctx, stmt, upsert.Name, upsert.CreatorID, upsert.Name); err != nil {
-		return nil, err
-	}
-	return upsert, nil
-}
-
-func (d *DB) ListTags(ctx context.Context, find *store.FindTag) ([]*store.Tag, error) {
-	where, args := []string{"1 = 1"}, []any{}
-
-	if find.CreatorID != 0 {
-		where, args = append(where, "creator_id = "+placeholder(len(args)+1)), append(args, find.CreatorID)
-	}
-
-	query := `
-		SELECT
-			name,
-			creator_id
-		FROM tag
-		WHERE ` + strings.Join(where, " AND ") + `
-		ORDER BY name ASC
-	`
-	rows, err := d.db.QueryContext(ctx, query, args...)
-	if err != nil {
-		return nil, err
-	}
-	defer rows.Close()
-
-	list := []*store.Tag{}
-	for rows.Next() {
-		tag := &store.Tag{}
-		if err := rows.Scan(
-			&tag.Name,
-			&tag.CreatorID,
-		); err != nil {
-			return nil, err
-		}
-
-		list = append(list, tag)
-	}
-
-	if err := rows.Err(); err != nil {
-		return nil, err
-	}
-
-	return list, nil
-}
-
-func (d *DB) DeleteTag(ctx context.Context, delete *store.DeleteTag) error {
-	where, args := []string{"name = $1", "creator_id = $2"}, []any{delete.Name, delete.CreatorID}
-	stmt := `DELETE FROM tag WHERE ` + strings.Join(where, " AND ")
-	result, err := d.db.ExecContext(ctx, stmt, args...)
-	if err != nil {
-		return err
-	}
-	if _, err = result.RowsAffected(); err != nil {
-		return err
-	}
-	return nil
-}