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mention.go
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mention.go
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// GoToSocial
// Copyright (C) GoToSocial Authors admin@gotosocial.org
// SPDX-License-Identifier: AGPL-3.0-or-later
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package bundb
import (
"context"
"errors"
"fmt"
"github.com/superseriousbusiness/gotosocial/internal/db"
"github.com/superseriousbusiness/gotosocial/internal/gtscontext"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
"github.com/superseriousbusiness/gotosocial/internal/log"
"github.com/superseriousbusiness/gotosocial/internal/state"
"github.com/uptrace/bun"
)
type mentionDB struct {
db *DB
state *state.State
}
func (m *mentionDB) GetMention(ctx context.Context, id string) (*gtsmodel.Mention, error) {
mention, err := m.state.Caches.GTS.Mention().Load("ID", func() (*gtsmodel.Mention, error) {
var mention gtsmodel.Mention
q := m.db.
NewSelect().
Model(&mention).
Where("? = ?", bun.Ident("mention.id"), id)
if err := q.Scan(ctx); err != nil {
return nil, err
}
return &mention, nil
}, id)
if err != nil {
return nil, err
}
// Set the mention originating status.
mention.Status, err = m.state.DB.GetStatusByID(
gtscontext.SetBarebones(ctx),
mention.StatusID,
)
if err != nil {
return nil, fmt.Errorf("error populating mention status: %w", err)
}
// Set the mention origin account model.
mention.OriginAccount, err = m.state.DB.GetAccountByID(
gtscontext.SetBarebones(ctx),
mention.OriginAccountID,
)
if err != nil {
return nil, fmt.Errorf("error populating mention origin account: %w", err)
}
// Set the mention target account model.
mention.TargetAccount, err = m.state.DB.GetAccountByID(
gtscontext.SetBarebones(ctx),
mention.TargetAccountID,
)
if err != nil {
return nil, fmt.Errorf("error populating mention target account: %w", err)
}
return mention, nil
}
func (m *mentionDB) GetMentions(ctx context.Context, ids []string) ([]*gtsmodel.Mention, error) {
mentions := make([]*gtsmodel.Mention, 0, len(ids))
for _, id := range ids {
// Attempt fetch from DB
mention, err := m.GetMention(ctx, id)
if err != nil {
log.Errorf(ctx, "error getting mention %q: %v", id, err)
continue
}
// Append mention
mentions = append(mentions, mention)
}
return mentions, nil
}
func (m *mentionDB) PutMention(ctx context.Context, mention *gtsmodel.Mention) error {
return m.state.Caches.GTS.Mention().Store(mention, func() error {
_, err := m.db.NewInsert().Model(mention).Exec(ctx)
return err
})
}
func (m *mentionDB) DeleteMentionByID(ctx context.Context, id string) error {
defer m.state.Caches.GTS.Mention().Invalidate("ID", id)
// Load mention into cache before attempting a delete,
// as we need it cached in order to trigger the invalidate
// callback. This in turn invalidates others.
_, err := m.GetMention(gtscontext.SetBarebones(ctx), id)
if err != nil {
if errors.Is(err, db.ErrNoEntries) {
// not an issue.
err = nil
}
return err
}
// Finally delete mention from DB.
_, err = m.db.NewDelete().
Table("mentions").
Where("? = ?", bun.Ident("id"), id).
Exec(ctx)
return err
}