mirror of
https://github.com/superseriousbusiness/gotosocial.git
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310 lines
8.3 KiB
Go
310 lines
8.3 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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"errors"
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"fmt"
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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/uptrace/bun"
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)
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type statusFaveDB struct {
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conn *DBConn
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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, db.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.conn.
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NewSelect().
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Model(fave).
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Where("? = ?", bun.Ident("account_id"), accountID).
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Where("? = ?", bun.Ident("status_id"), statusID).
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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, db.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.conn.
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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) 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.GTS.StatusFave().Load(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, s.conn.ProcessError(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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// Fetch the status fave author account.
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fave.Account, err = s.state.DB.GetAccountByID(
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gtscontext.SetBarebones(ctx),
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fave.AccountID,
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)
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if err != nil {
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return nil, fmt.Errorf("error getting status fave account %q: %w", fave.AccountID, err)
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}
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// Fetch the status fave target account.
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fave.TargetAccount, err = s.state.DB.GetAccountByID(
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gtscontext.SetBarebones(ctx),
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fave.TargetAccountID,
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)
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if err != nil {
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return nil, fmt.Errorf("error getting status fave target account %q: %w", fave.TargetAccountID, err)
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}
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// Fetch the status fave target status.
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fave.Status, err = s.state.DB.GetStatusByID(
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gtscontext.SetBarebones(ctx),
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fave.StatusID,
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)
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if err != nil {
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return nil, fmt.Errorf("error getting status fave status %q: %w", fave.StatusID, err)
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}
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return fave, nil
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}
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func (s *statusFaveDB) GetStatusFavesForStatus(ctx context.Context, statusID string) ([]*gtsmodel.StatusFave, db.Error) {
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ids := []string{}
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if err := s.conn.
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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, &ids); err != nil {
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return nil, s.conn.ProcessError(err)
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}
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faves := make([]*gtsmodel.StatusFave, 0, len(ids))
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for _, id := range ids {
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fave, err := s.GetStatusFaveByID(ctx, id)
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if err != nil {
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log.Errorf(ctx, "error getting status fave %q: %v", id, err)
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continue
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}
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faves = append(faves, fave)
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}
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return faves, nil
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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 = make(gtserror.MultiError, 0, 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.Append(fmt.Errorf("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.Append(fmt.Errorf("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.Append(fmt.Errorf("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) db.Error {
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return s.state.Caches.GTS.StatusFave().Store(fave, func() error {
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_, err := s.conn.
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NewInsert().
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Model(fave).
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Exec(ctx)
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return s.conn.ProcessError(err)
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})
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}
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func (s *statusFaveDB) DeleteStatusFaveByID(ctx context.Context, id string) db.Error {
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defer s.state.Caches.GTS.StatusFave().Invalidate("ID", id)
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// Load fave into cache before attempting a delete,
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// as we need it cached in order to trigger the invalidate
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// callback. This in turn invalidates others.
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_, err := s.GetStatusFaveByID(gtscontext.SetBarebones(ctx), id)
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if err != nil {
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if errors.Is(err, db.ErrNoEntries) {
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// not an issue.
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err = nil
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}
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return err
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}
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// Finally delete fave from DB.
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_, err = s.conn.NewDelete().
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Table("status_faves").
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Where("? = ?", bun.Ident("id"), id).
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Exec(ctx)
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return s.conn.ProcessError(err)
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}
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func (s *statusFaveDB) DeleteStatusFaves(ctx context.Context, targetAccountID string, originAccountID string) db.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 faveIDs []string
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q := s.conn.
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NewSelect().
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Column("id").
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Table("status_faves")
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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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if _, err := q.Exec(ctx, &faveIDs); err != nil {
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return s.conn.ProcessError(err)
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}
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defer func() {
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// Invalidate all IDs on return.
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for _, id := range faveIDs {
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s.state.Caches.GTS.StatusFave().Invalidate("ID", id)
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}
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}()
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// Load all faves into cache, this *really* isn't great
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// but it is the only way we can ensure we invalidate all
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// related caches correctly (e.g. visibility).
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for _, id := range faveIDs {
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_, err := s.GetStatusFaveByID(ctx, id)
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if err != nil && !errors.Is(err, db.ErrNoEntries) {
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return err
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}
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}
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// Finally delete all from DB.
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_, err := s.conn.NewDelete().
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Table("status_faves").
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Where("? IN (?)", bun.Ident("id"), bun.In(faveIDs)).
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Exec(ctx)
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return s.conn.ProcessError(err)
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}
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func (s *statusFaveDB) DeleteStatusFavesForStatus(ctx context.Context, statusID string) db.Error {
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// Capture fave IDs in a RETURNING statement.
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var faveIDs []string
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q := s.conn.
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NewSelect().
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Column("id").
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Table("status_faves").
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Where("? = ?", bun.Ident("status_id"), statusID)
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if _, err := q.Exec(ctx, &faveIDs); err != nil {
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return s.conn.ProcessError(err)
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}
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defer func() {
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// Invalidate all IDs on return.
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for _, id := range faveIDs {
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s.state.Caches.GTS.StatusFave().Invalidate("ID", id)
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}
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}()
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// Load all faves into cache, this *really* isn't great
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// but it is the only way we can ensure we invalidate all
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// related caches correctly (e.g. visibility).
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for _, id := range faveIDs {
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_, err := s.GetStatusFaveByID(ctx, id)
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if err != nil && !errors.Is(err, db.ErrNoEntries) {
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return err
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}
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}
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// Finally delete all from DB.
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_, err := s.conn.NewDelete().
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Table("status_faves").
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Where("? IN (?)", bun.Ident("id"), bun.In(faveIDs)).
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Exec(ctx)
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return s.conn.ProcessError(err)
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}
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