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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"
"slices"
"github.com/superseriousbusiness/gotosocial/internal/db"
"github.com/superseriousbusiness/gotosocial/internal/gtscontext"
"github.com/superseriousbusiness/gotosocial/internal/gtserror"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
"github.com/superseriousbusiness/gotosocial/internal/log"
"github.com/superseriousbusiness/gotosocial/internal/state"
"github.com/superseriousbusiness/gotosocial/internal/util/xslices"
"github.com/uptrace/bun"
)
type mentionDB struct {
db *bun.DB
state *state.State
}
func (m *mentionDB) GetMention(ctx context.Context, id string) (*gtsmodel.Mention, error) {
mention, err := m.state.Caches.DB.Mention.LoadOne("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
}
// Further populate the mention fields where applicable.
if err := m.PopulateMention(ctx, mention); err != nil {
return nil, err
}
return mention, nil
}
func (m *mentionDB) GetMentions(ctx context.Context, ids []string) ([]*gtsmodel.Mention, error) {
// Load all mention IDs via cache loader callbacks.
mentions, err := m.state.Caches.DB.Mention.LoadIDs("ID",
ids,
func(uncached []string) ([]*gtsmodel.Mention, error) {
// Preallocate expected length of uncached mentions.
mentions := make([]*gtsmodel.Mention, 0, len(uncached))
// Perform database query scanning
// the remaining (uncached) IDs.
if err := m.db.NewSelect().
Model(&mentions).
Where("? IN (?)", bun.Ident("id"), bun.In(uncached)).
Scan(ctx); err != nil {
return nil, err
}
return mentions, nil
},
)
if err != nil {
return nil, err
}
// Reorder the mentions by their
// IDs to ensure in correct order.
getID := func(m *gtsmodel.Mention) string { return m.ID }
xslices.OrderBy(mentions, ids, getID)
if gtscontext.Barebones(ctx) {
// no need to fully populate.
return mentions, nil
}
// Populate all loaded mentions, removing those we fail to
// populate (removes needing so many nil checks everywhere).
mentions = slices.DeleteFunc(mentions, func(mention *gtsmodel.Mention) bool {
if err := m.PopulateMention(ctx, mention); err != nil {
log.Errorf(ctx, "error populating mention %s: %v", mention.ID, err)
return true
}
return false
})
return mentions, nil
}
func (m *mentionDB) PopulateMention(ctx context.Context, mention *gtsmodel.Mention) (err error) {
var errs gtserror.MultiError
if mention.Status == nil {
// Set the mention originating status.
mention.Status, err = m.state.DB.GetStatusByID(
gtscontext.SetBarebones(ctx),
mention.StatusID,
)
if err != nil {
return gtserror.Newf("error populating mention status: %w", err)
}
}
if mention.OriginAccount == nil {
// Set the mention origin account model.
mention.OriginAccount, err = m.state.DB.GetAccountByID(
gtscontext.SetBarebones(ctx),
mention.OriginAccountID,
)
if err != nil {
return gtserror.Newf("error populating mention origin account: %w", err)
}
}
if mention.TargetAccount == nil {
// Set the mention target account model.
mention.TargetAccount, err = m.state.DB.GetAccountByID(
gtscontext.SetBarebones(ctx),
mention.TargetAccountID,
)
if err != nil {
return gtserror.Newf("error populating mention target account: %w", err)
}
}
return errs.Combine()
}
func (m *mentionDB) PutMention(ctx context.Context, mention *gtsmodel.Mention) error {
return m.state.Caches.DB.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 {
// Delete mention with given ID,
// returning the deleted models.
if _, err := m.db.NewDelete().
Table("mentions").
Where("? = ?", bun.Ident("id"), id).
Exec(ctx); err != nil &&
!errors.Is(err, db.ErrNoEntries) {
return err
}
// Invalidate the cached mention with ID.
m.state.Caches.DB.Mention.Invalidate("ID", id)
return nil
}
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