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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"
"strings"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
"github.com/superseriousbusiness/gotosocial/internal/log"
"github.com/superseriousbusiness/gotosocial/internal/state"
"github.com/uptrace/bun"
)
type tagDB struct {
conn *DB
state *state.State
}
func (m *tagDB) GetTag(ctx context.Context, id string) (*gtsmodel.Tag, error) {
return m.state.Caches.GTS.Tag().Load("ID", func() (*gtsmodel.Tag, error) {
var tag gtsmodel.Tag
q := m.conn.
NewSelect().
Model(&tag).
Where("? = ?", bun.Ident("tag.id"), id)
if err := q.Scan(ctx); err != nil {
return nil, err
}
return &tag, nil
}, id)
}
func (m *tagDB) GetTagByName(ctx context.Context, name string) (*gtsmodel.Tag, error) {
// Normalize 'name' string.
name = strings.TrimSpace(name)
name = strings.ToLower(name)
return m.state.Caches.GTS.Tag().Load("Name", func() (*gtsmodel.Tag, error) {
var tag gtsmodel.Tag
q := m.conn.
NewSelect().
Model(&tag).
Where("? = ?", bun.Ident("tag.name"), name)
if err := q.Scan(ctx); err != nil {
return nil, err
}
return &tag, nil
}, name)
}
func (m *tagDB) GetTags(ctx context.Context, ids []string) ([]*gtsmodel.Tag, error) {
tags := make([]*gtsmodel.Tag, 0, len(ids))
for _, id := range ids {
// Attempt fetch from DB
tag, err := m.GetTag(ctx, id)
if err != nil {
log.Errorf(ctx, "error getting tag %q: %v", id, err)
continue
}
// Append tag
tags = append(tags, tag)
}
return tags, nil
}
func (m *tagDB) PutTag(ctx context.Context, tag *gtsmodel.Tag) error {
// Normalize 'name' string before it enters
// the db, without changing tag we were given.
//
// First copy tag to new pointer.
t2 := new(gtsmodel.Tag)
*t2 = *tag
// Normalize name on new pointer.
t2.Name = strings.TrimSpace(t2.Name)
t2.Name = strings.ToLower(t2.Name)
// Insert the copy.
if err := m.state.Caches.GTS.Tag().Store(t2, func() error {
_, err := m.conn.NewInsert().Model(t2).Exec(ctx)
return err
}); err != nil {
return err // err already processed
}
// Update original tag with
// field values populated by db.
tag.CreatedAt = t2.CreatedAt
tag.UpdatedAt = t2.UpdatedAt
tag.Useable = t2.Useable
tag.Listable = t2.Listable
return nil
}
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