mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2025-11-04 00:22:26 -06:00
56 lines
1.9 KiB
Go
56 lines
1.9 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 dereferencing
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import (
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"slices"
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"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
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)
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// doOnce wraps a function to only perform it once.
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func doOnce(fn func()) func() {
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var once int32
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return func() {
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if once == 0 {
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fn()
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once = 1
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}
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}
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}
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// pollChanged returns whether a poll has changed in way that
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// indicates that this should be an entirely new poll. i.e. if
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// the available options have changed, or the expiry has increased.
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func pollChanged(existing, latest *gtsmodel.Poll) bool {
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return !slices.Equal(existing.Options, latest.Options) ||
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!existing.ExpiresAt.Equal(latest.ExpiresAt)
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}
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// pollUpdated returns whether a poll has updated, i.e. if the
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// vote counts have changed, or if it has expired / been closed.
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func pollUpdated(existing, latest *gtsmodel.Poll) bool {
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return *existing.Voters != *latest.Voters ||
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!slices.Equal(existing.Votes, latest.Votes) ||
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!existing.ClosedAt.Equal(latest.ClosedAt)
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}
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// pollJustClosed returns whether a poll has *just* closed.
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func pollJustClosed(existing, latest *gtsmodel.Poll) bool {
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return existing.ClosedAt.IsZero() && latest.Closed()
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}
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