mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2025-11-02 16:52:25 -06:00
f5c004d67d* start working on lists * further list work * test list db functions nicely * more work on lists * peepoopeepoo * poke * start list timeline func * we're getting there lads * couldn't be me working on stuff... could it? * hook up handlers * fiddling * weeee * woah * screaming, pissing * fix streaming being a whiny baby * lint, small test fix, swagger * tidying up, testing * fucked! by the linter * move timelines to state like a boss * add timeline start to tests using state * invalidate lists
71 lines
2.1 KiB
Go
71 lines
2.1 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 timeline
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import (
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"context"
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"github.com/superseriousbusiness/gotosocial/internal/timeline"
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)
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// SkipInsert returns a function that satisifes SkipInsertFunction.
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func SkipInsert() timeline.SkipInsertFunction {
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// Gap to allow between a status or boost of status,
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// and reinsertion of a new boost of that status.
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// This is useful to avoid a heavily boosted status
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// showing up way too often in a user's timeline.
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const boostReinsertionDepth = 50
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return func(
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ctx context.Context,
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newItemID string,
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newItemAccountID string,
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newItemBoostOfID string,
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newItemBoostOfAccountID string,
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nextItemID string,
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nextItemAccountID string,
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nextItemBoostOfID string,
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nextItemBoostOfAccountID string,
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depth int,
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) (bool, error) {
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if newItemID == nextItemID {
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// Don't insert duplicates.
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return true, nil
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}
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if newItemBoostOfID != "" {
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if newItemBoostOfID == nextItemBoostOfID &&
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depth < boostReinsertionDepth {
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// Don't insert boosts of items
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// we've seen boosted recently.
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return true, nil
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}
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if newItemBoostOfID == nextItemID &&
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depth < boostReinsertionDepth {
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// Don't insert boosts of items when
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// we've seen the original recently.
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return true, nil
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}
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}
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// Proceed with insertion
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// (that's what she said!).
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return false, nil
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}
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}
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