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// GoToSocial
// Copyright (C) GoToSocial Authors admin@gotosocial.org
// SPDX-License-Identifier: AGPL-3.0-or-later
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package util
import (
"fmt"
"strconv"
)
// ParseDuration parses the given raw interface belonging to
// the given fieldName as an integer duration.
//
// Will return nil, nil if rawI is the zero value of its type.
func ParseDuration(rawI any, fieldName string) (*int, error) {
var (
asInteger int
err error
)
switch raw := rawI.(type) {
case float64:
// Submitted as JSON number
// (casts to float64 by default).
asInteger = int(raw)
case string:
// Submitted as JSON string or form field.
asInteger, err = strconv.Atoi(raw)
if err != nil {
err = fmt.Errorf(
"could not parse %s value %s as integer: %w",
fieldName, raw, err,
)
}
default:
// Submitted as god-knows-what.
err = fmt.Errorf(
"could not parse %s type %T as integer",
fieldName, rawI,
)
}
if err != nil {
return nil, err
}
// Someone submitted 0,
// don't point to this.
if asInteger == 0 {
return nil, nil
}
return &asInteger, nil
}
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