mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2024-12-05 01:52:46 +00:00
e3c2b790fd
* when appending log field only do so by minimal amount * move slice utils to separate package to fix import cycle, add GrowJust() and AppendJust() functions * fix GrowJust() not returning slice of same length * improved xslices tests * make AppendJust() test check for slice contents, fix AppendJust() final copying behaviour * add a +1 with field growth to try minimise allocation for log 'msg' field
370 lines
10 KiB
Go
370 lines
10 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 bundb
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import (
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"context"
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"database/sql"
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"errors"
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"fmt"
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"slices"
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"time"
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"github.com/superseriousbusiness/gotosocial/internal/db"
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"github.com/superseriousbusiness/gotosocial/internal/gtscontext"
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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/log"
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"github.com/superseriousbusiness/gotosocial/internal/state"
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"github.com/superseriousbusiness/gotosocial/internal/util/xslices"
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"github.com/uptrace/bun"
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)
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type statusFaveDB struct {
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db *bun.DB
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state *state.State
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}
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func (s *statusFaveDB) GetStatusFave(ctx context.Context, accountID string, statusID string) (*gtsmodel.StatusFave, error) {
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return s.getStatusFave(
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ctx,
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"AccountID,StatusID",
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func(fave *gtsmodel.StatusFave) error {
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return s.db.
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NewSelect().
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Model(fave).
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Where("status_fave.account_id = ?", accountID).
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Where("status_fave.status_id = ?", statusID).
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// Our old code actually allowed a status to
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// be faved multiple times by the same author,
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// so limit our query + order to fetch latest.
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Order("status_fave.id DESC"). // our IDs are timestamped
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Limit(1).
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Scan(ctx)
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},
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accountID,
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statusID,
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)
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}
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func (s *statusFaveDB) GetStatusFaveByID(ctx context.Context, id string) (*gtsmodel.StatusFave, error) {
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return s.getStatusFave(
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ctx,
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"ID",
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func(fave *gtsmodel.StatusFave) error {
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return s.db.
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NewSelect().
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Model(fave).
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Where("? = ?", bun.Ident("id"), id).
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Scan(ctx)
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},
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id,
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)
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}
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func (s *statusFaveDB) GetStatusFaveByURI(ctx context.Context, uri string) (*gtsmodel.StatusFave, error) {
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return s.getStatusFave(
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ctx,
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"URI",
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func(fave *gtsmodel.StatusFave) error {
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return s.db.
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NewSelect().
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Model(fave).
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Where("? = ?", bun.Ident("uri"), uri).
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Scan(ctx)
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},
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uri,
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)
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}
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func (s *statusFaveDB) getStatusFave(ctx context.Context, lookup string, dbQuery func(*gtsmodel.StatusFave) error, keyParts ...any) (*gtsmodel.StatusFave, error) {
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// Fetch status fave from database cache with loader callback
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fave, err := s.state.Caches.DB.StatusFave.LoadOne(lookup, func() (*gtsmodel.StatusFave, error) {
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var fave gtsmodel.StatusFave
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// Not cached! Perform database query.
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if err := dbQuery(&fave); err != nil {
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return nil, err
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}
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return &fave, nil
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}, keyParts...)
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if err != nil {
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return nil, err
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}
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if gtscontext.Barebones(ctx) {
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// no need to fully populate.
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return fave, nil
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}
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// Populate the status favourite model.
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if err := s.PopulateStatusFave(ctx, fave); err != nil {
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return nil, fmt.Errorf("error(s) populating status fave: %w", err)
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}
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return fave, nil
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}
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func (s *statusFaveDB) GetStatusFaves(ctx context.Context, statusID string) ([]*gtsmodel.StatusFave, error) {
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// Fetch the status fave IDs for status.
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faveIDs, err := s.getStatusFaveIDs(ctx, statusID)
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if err != nil {
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return nil, err
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}
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// Load all fave IDs via cache loader callbacks.
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faves, err := s.state.Caches.DB.StatusFave.LoadIDs("ID",
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faveIDs,
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func(uncached []string) ([]*gtsmodel.StatusFave, error) {
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// Preallocate expected length of uncached faves.
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faves := make([]*gtsmodel.StatusFave, 0, len(uncached))
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// Perform database query scanning
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// the remaining (uncached) fave IDs.
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if err := s.db.NewSelect().
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Model(&faves).
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Where("? IN (?)", bun.Ident("id"), bun.In(uncached)).
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Scan(ctx); err != nil {
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return nil, err
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}
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return faves, nil
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},
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)
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if err != nil {
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return nil, err
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}
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// Reorder the statuses by their
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// IDs to ensure in correct order.
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getID := func(f *gtsmodel.StatusFave) string { return f.ID }
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xslices.OrderBy(faves, faveIDs, getID)
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if gtscontext.Barebones(ctx) {
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// no need to fully populate.
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return faves, nil
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}
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// Populate all loaded faves, removing those we fail to
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// populate (removes needing so many nil checks everywhere).
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faves = slices.DeleteFunc(faves, func(fave *gtsmodel.StatusFave) bool {
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if err := s.PopulateStatusFave(ctx, fave); err != nil {
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log.Errorf(ctx, "error populating fave %s: %v", fave.ID, err)
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return true
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}
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return false
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})
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return faves, nil
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}
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func (s *statusFaveDB) IsStatusFavedBy(ctx context.Context, statusID string, accountID string) (bool, error) {
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fave, err := s.GetStatusFave(ctx, accountID, statusID)
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if err != nil && !errors.Is(err, db.ErrNoEntries) {
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return false, err
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}
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return (fave != nil), nil
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}
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func (s *statusFaveDB) CountStatusFaves(ctx context.Context, statusID string) (int, error) {
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faveIDs, err := s.getStatusFaveIDs(ctx, statusID)
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return len(faveIDs), err
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}
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func (s *statusFaveDB) getStatusFaveIDs(ctx context.Context, statusID string) ([]string, error) {
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return s.state.Caches.DB.StatusFaveIDs.Load(statusID, func() ([]string, error) {
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var faveIDs []string
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// Status fave IDs not in cache, perform DB query!
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if err := s.db.
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NewSelect().
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Table("status_faves").
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Column("id").
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Where("? = ?", bun.Ident("status_id"), statusID).
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Scan(ctx, &faveIDs); err != nil {
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return nil, err
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}
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return faveIDs, nil
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})
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}
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func (s *statusFaveDB) PopulateStatusFave(ctx context.Context, statusFave *gtsmodel.StatusFave) error {
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var (
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err error
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errs = gtserror.NewMultiError(3)
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)
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if statusFave.Account == nil {
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// StatusFave author is not set, fetch from database.
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statusFave.Account, err = s.state.DB.GetAccountByID(
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gtscontext.SetBarebones(ctx),
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statusFave.AccountID,
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)
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if err != nil {
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errs.Appendf("error populating status fave author: %w", err)
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}
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}
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if statusFave.TargetAccount == nil {
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// StatusFave target account is not set, fetch from database.
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statusFave.TargetAccount, err = s.state.DB.GetAccountByID(
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gtscontext.SetBarebones(ctx),
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statusFave.TargetAccountID,
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)
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if err != nil {
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errs.Appendf("error populating status fave target account: %w", err)
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}
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}
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if statusFave.Status == nil {
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// StatusFave status is not set, fetch from database.
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statusFave.Status, err = s.state.DB.GetStatusByID(
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gtscontext.SetBarebones(ctx),
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statusFave.StatusID,
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)
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if err != nil {
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errs.Appendf("error populating status fave status: %w", err)
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}
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}
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return errs.Combine()
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}
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func (s *statusFaveDB) PutStatusFave(ctx context.Context, fave *gtsmodel.StatusFave) error {
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return s.state.Caches.DB.StatusFave.Store(fave, func() error {
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_, err := s.db.
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NewInsert().
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Model(fave).
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Exec(ctx)
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return err
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})
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}
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func (s *statusFaveDB) UpdateStatusFave(ctx context.Context, fave *gtsmodel.StatusFave, columns ...string) error {
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fave.UpdatedAt = time.Now()
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if len(columns) > 0 {
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// If we're updating by column,
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// ensure "updated_at" is included.
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columns = append(columns, "updated_at")
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}
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// Update the status fave model in the database.
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return s.state.Caches.DB.StatusFave.Store(fave, func() error {
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_, err := s.db.
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NewUpdate().
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Model(fave).
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Where("? = ?", bun.Ident("status_fave.id"), fave.ID).
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Column(columns...).
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Exec(ctx)
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return err
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})
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}
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func (s *statusFaveDB) DeleteStatusFaveByID(ctx context.Context, id string) error {
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var statusID string
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// Perform DELETE on status fave,
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// returning the status ID it was for.
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if _, err := s.db.NewDelete().
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Table("status_faves").
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Where("id = ?", id).
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Returning("status_id").
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Exec(ctx, &statusID); err != nil {
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if err == sql.ErrNoRows {
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// Not an issue, only due
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// to us doing a RETURNING.
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err = nil
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}
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return err
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}
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if statusID != "" {
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// Invalidate any cached status faves for this status.
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s.state.Caches.DB.StatusFave.Invalidate("ID", id)
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// Invalidate any cached status fave IDs for this status.
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s.state.Caches.DB.StatusFaveIDs.Invalidate(statusID)
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}
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return nil
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}
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func (s *statusFaveDB) DeleteStatusFaves(ctx context.Context, targetAccountID string, originAccountID string) error {
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if targetAccountID == "" && originAccountID == "" {
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return errors.New("DeleteStatusFaves: one of targetAccountID or originAccountID must be set")
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}
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var statusIDs []string
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// Prepare DELETE query returning
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// the deleted faves for status IDs.
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q := s.db.NewDelete().
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Table("status_faves").
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Returning("status_id")
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if targetAccountID != "" {
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q = q.Where("? = ?", bun.Ident("target_account_id"), targetAccountID)
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}
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if originAccountID != "" {
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q = q.Where("? = ?", bun.Ident("account_id"), originAccountID)
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}
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// Execute query, store favourited status IDs.
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if _, err := q.Exec(ctx, &statusIDs); err != nil {
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if err == sql.ErrNoRows {
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// Not an issue, only due
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// to us doing a RETURNING.
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err = nil
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}
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return err
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}
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// Deduplicate determined status IDs.
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statusIDs = xslices.Deduplicate(statusIDs)
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// Invalidate any cached status faves for this status ID.
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s.state.Caches.DB.StatusFave.InvalidateIDs("ID", statusIDs)
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// Invalidate any cached status fave IDs for this status ID.
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s.state.Caches.DB.StatusFaveIDs.Invalidate(statusIDs...)
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return nil
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}
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func (s *statusFaveDB) DeleteStatusFavesForStatus(ctx context.Context, statusID string) error {
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// Delete all status faves for status.
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if _, err := s.db.NewDelete().
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Table("status_faves").
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Where("status_id = ?", statusID).
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Exec(ctx); err != nil {
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return err
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}
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// Invalidate any cached status faves for this status.
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s.state.Caches.DB.StatusFave.Invalidate("ID", statusID)
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// Invalidate any cached status fave IDs for this status.
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s.state.Caches.DB.StatusFaveIDs.Invalidate(statusID)
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return nil
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}
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