mirror of
https://github.com/superseriousbusiness/gotosocial.git
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64 lines
2.2 KiB
Go
64 lines
2.2 KiB
Go
// GoToSocial
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// Copyright (C) GoToSocial Authors admin@gotosocial.org
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// SPDX-License-Identifier: AGPL-3.0-or-later
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package ap
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import (
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"errors"
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"github.com/superseriousbusiness/activity/streams"
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"github.com/superseriousbusiness/activity/streams/vocab"
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)
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// SerializeOrderedCollection is a custom serializer for an ActivityStreamsOrderedCollection.
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// Unlike the standard streams.Serialize function, this serializer normalizes the orderedItems
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// value to always be an array/slice, regardless of how many items are contained therein.
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//
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// TODO: Remove this function if we can fix the underlying issue in Go-Fed.
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//
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// See:
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// - https://github.com/go-fed/activity/issues/139
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// - https://github.com/mastodon/mastodon/issues/24225
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func SerializeOrderedCollection(orderedCollection vocab.ActivityStreamsOrderedCollection) (map[string]interface{}, error) {
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data, err := streams.Serialize(orderedCollection)
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if err != nil {
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return nil, err
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}
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return data, normalizeOrderedCollectionData(data)
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}
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func normalizeOrderedCollectionData(rawOrderedCollection map[string]interface{}) error {
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orderedItems, ok := rawOrderedCollection["orderedItems"]
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if !ok {
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return errors.New("no orderedItems set on OrderedCollection")
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}
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if _, ok := orderedItems.([]interface{}); ok {
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// Already slice.
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return nil
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}
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orderedItemsString, ok := orderedItems.(string)
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if !ok {
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return errors.New("orderedItems was neither slice nor string")
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}
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rawOrderedCollection["orderedItems"] = []string{orderedItemsString}
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return nil
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}
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