mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2025-10-31 13:52:25 -05:00
127 lines
3.2 KiB
Go
127 lines
3.2 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 timeline
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import (
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"context"
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"errors"
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"net/url"
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"slices"
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"strconv"
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apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model"
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"github.com/superseriousbusiness/gotosocial/internal/db"
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statusfilter "github.com/superseriousbusiness/gotosocial/internal/filter/status"
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"github.com/superseriousbusiness/gotosocial/internal/gtserror"
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"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
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"github.com/superseriousbusiness/gotosocial/internal/paging"
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)
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// PublicTimelineGet ...
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func (p *Processor) PublicTimelineGet(
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ctx context.Context,
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requester *gtsmodel.Account,
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page *paging.Page,
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local bool,
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) (
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*apimodel.PageableResponse,
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gtserror.WithCode,
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) {
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// Load timeline data.
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return p.getTimeline(ctx,
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// Auth'd
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// account.
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requester,
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// Global public timeline cache.
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&p.state.Caches.Timelines.Public,
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// Current
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// page.
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page,
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// Public timeline endpoint.
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"/api/v1/timelines/public",
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// Set local-only timeline page query flag.
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url.Values{"local": {strconv.FormatBool(local)}},
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// Status filter context.
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statusfilter.FilterContextPublic,
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// Timeline cache load function, used to further hydrate cache where necessary.
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func(page *paging.Page) (statuses []*gtsmodel.Status, next *paging.Page, err error) {
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// Fetch the global public status timeline page.
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statuses, err = p.state.DB.GetPublicTimeline(ctx,
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page,
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)
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if err != nil && !errors.Is(err, db.ErrNoEntries) {
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return nil, nil, gtserror.Newf("error getting statuses: %w", err)
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}
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if len(statuses) == 0 {
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// No more to load.
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return nil, nil, nil
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}
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// Get the lowest and highest
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// ID values, used for next pg.
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lo := statuses[len(statuses)-1].ID
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hi := statuses[0].ID
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// Set next paging value.
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page = page.Next(lo, hi)
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for i := 0; i < len(statuses); {
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// Get status at idx.
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status := statuses[i]
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// Check whether status should be show on public timeline.
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visible, err := p.visFilter.StatusPublicTimelineable(ctx,
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requester,
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status,
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)
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if err != nil {
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return nil, nil, gtserror.Newf("error checking visibility: %w", err)
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}
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if !visible {
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// Status not visible to home timeline.
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statuses = slices.Delete(statuses, i, i+1)
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continue
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}
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// Iter.
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i++
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}
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return
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},
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// Per-request filtering function.
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func(s *gtsmodel.Status) bool {
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if local {
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return !*s.Local
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}
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return false
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},
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)
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}
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