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