81 lines
2.4 KiB
Go
81 lines
2.4 KiB
Go
package mysql
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import (
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"context"
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"strings"
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"github.com/pkg/errors"
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"github.com/usememos/memos/store"
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)
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// CreateInstanceSettingIfNotExists atomically creates the setting when its name is absent and reports whether it inserted the row.
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func (d *DB) CreateInstanceSettingIfNotExists(ctx context.Context, create *store.InstanceSetting) (bool, error) {
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stmt := "INSERT IGNORE INTO `system_setting` (`name`, `value`, `description`) VALUES (?, ?, ?)"
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result, err := d.db.ExecContext(ctx, stmt, create.Name, create.Value, create.Description)
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if err != nil {
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return false, errors.Wrap(err, "failed to conditionally create instance setting")
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}
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rowsAffected, err := result.RowsAffected()
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if err != nil {
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return false, errors.Wrap(err, "failed to inspect conditional instance setting insert")
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}
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return rowsAffected == 1, nil
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}
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func (d *DB) UpsertInstanceSetting(ctx context.Context, upsert *store.InstanceSetting) (*store.InstanceSetting, error) {
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stmt := "INSERT INTO `system_setting` (`name`, `value`, `description`) VALUES (?, ?, ?) ON DUPLICATE KEY UPDATE `value` = ?, `description` = ?"
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_, err := d.db.ExecContext(
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ctx,
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stmt,
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upsert.Name,
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upsert.Value,
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upsert.Description,
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upsert.Value,
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upsert.Description,
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)
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if err != nil {
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return nil, err
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}
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return upsert, nil
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}
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func (d *DB) ListInstanceSettings(ctx context.Context, find *store.FindInstanceSetting) ([]*store.InstanceSetting, error) {
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where, args := []string{"1 = 1"}, []any{}
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if find.Name != "" {
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where, args = append(where, "`name` = ?"), append(args, find.Name)
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}
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query := "SELECT `name`, `value`, `description` FROM `system_setting` WHERE " + strings.Join(where, " AND ")
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rows, err := d.db.QueryContext(ctx, query, args...)
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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list := []*store.InstanceSetting{}
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for rows.Next() {
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systemSettingMessage := &store.InstanceSetting{}
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if err := rows.Scan(
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&systemSettingMessage.Name,
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&systemSettingMessage.Value,
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&systemSettingMessage.Description,
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); err != nil {
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return nil, err
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}
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list = append(list, systemSettingMessage)
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}
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if err := rows.Err(); err != nil {
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return nil, err
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}
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return list, nil
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}
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func (d *DB) DeleteInstanceSetting(ctx context.Context, delete *store.DeleteInstanceSetting) error {
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stmt := "DELETE FROM `system_setting` WHERE `name` = ?"
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_, err := d.db.ExecContext(ctx, stmt, delete.Name)
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return err
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}
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