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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 (
"errors"
"fmt"
"strconv"
"strings"
apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model"
"github.com/superseriousbusiness/gotosocial/internal/gtserror"
"github.com/superseriousbusiness/gotosocial/internal/util"
)
// ParseFocus parses a media attachment focus parameters from incoming API string.
func ParseFocus(focus string) (focusx, focusy float32, errWithCode gtserror.WithCode) {
if focus == "" {
return
}
spl := strings.Split(focus, ",")
if len(spl) != 2 {
const text = "missing comma separator"
errWithCode = gtserror.NewErrorBadRequest(
errors.New(text),
text,
)
return
}
xStr := spl[0]
yStr := spl[1]
fx, err := strconv.ParseFloat(xStr, 32)
if err != nil || fx > 1 || fx < -1 {
text := fmt.Sprintf("invalid x focus: %s", xStr)
errWithCode = gtserror.NewErrorBadRequest(
errors.New(text),
text,
)
return
}
fy, err := strconv.ParseFloat(yStr, 32)
if err != nil || fy > 1 || fy < -1 {
text := fmt.Sprintf("invalid y focus: %s", xStr)
errWithCode = gtserror.NewErrorBadRequest(
errors.New(text),
text,
)
return
}
focusx = float32(fx)
focusy = float32(fy)
return
}
// ParseDuration parses the given raw interface belonging
// the given fieldName as an integer duration.
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
}
return &asInteger, nil
}
// ParseNullableDuration is like ParseDuration, but
// for JSON values that may have been sent as `null`.
//
// IsSpecified should be checked and "true" on the
// given nullable before calling this function.
func ParseNullableDuration(
nullable apimodel.Nullable[any],
fieldName string,
) (*int, error) {
if nullable.IsNull() {
// Was specified as `null`,
// return pointer to zero value.
return util.Ptr(0), nil
}
rawI, err := nullable.Get()
if err != nil {
return nil, err
}
return ParseDuration(rawI, fieldName)
}
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