gotosocial/internal/db/bundb/basic.go
tobi 2dc9fc1626
Pg to bun (#148)
* start moving to bun

* changing more stuff

* more

* and yet more

* tests passing

* seems stable now

* more big changes

* small fix

* little fixes
2021-08-25 15:34:33 +02:00

180 lines
4.3 KiB
Go

/*
GoToSocial
Copyright (C) 2021 GoToSocial Authors admin@gotosocial.org
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"
"strings"
"github.com/sirupsen/logrus"
"github.com/superseriousbusiness/gotosocial/internal/config"
"github.com/superseriousbusiness/gotosocial/internal/db"
"github.com/uptrace/bun"
)
type basicDB struct {
config *config.Config
conn *bun.DB
log *logrus.Logger
}
func (b *basicDB) Put(ctx context.Context, i interface{}) db.Error {
_, err := b.conn.NewInsert().Model(i).Exec(ctx)
if err != nil && strings.Contains(err.Error(), "duplicate key value violates unique constraint") {
return db.ErrAlreadyExists
}
return err
}
func (b *basicDB) GetByID(ctx context.Context, id string, i interface{}) db.Error {
q := b.conn.
NewSelect().
Model(i).
Where("id = ?", id)
return processErrorResponse(q.Scan(ctx))
}
func (b *basicDB) GetWhere(ctx context.Context, where []db.Where, i interface{}) db.Error {
if len(where) == 0 {
return errors.New("no queries provided")
}
q := b.conn.NewSelect().Model(i)
for _, w := range where {
if w.Value == nil {
q = q.Where("? IS NULL", bun.Ident(w.Key))
} else {
if w.CaseInsensitive {
q = q.Where("LOWER(?) = LOWER(?)", bun.Safe(w.Key), w.Value)
} else {
q = q.Where("? = ?", bun.Safe(w.Key), w.Value)
}
}
}
return processErrorResponse(q.Scan(ctx))
}
func (b *basicDB) GetAll(ctx context.Context, i interface{}) db.Error {
q := b.conn.
NewSelect().
Model(i)
return processErrorResponse(q.Scan(ctx))
}
func (b *basicDB) DeleteByID(ctx context.Context, id string, i interface{}) db.Error {
q := b.conn.
NewDelete().
Model(i).
Where("id = ?", id)
_, err := q.Exec(ctx)
return processErrorResponse(err)
}
func (b *basicDB) DeleteWhere(ctx context.Context, where []db.Where, i interface{}) db.Error {
if len(where) == 0 {
return errors.New("no queries provided")
}
q := b.conn.
NewDelete().
Model(i)
for _, w := range where {
q = q.Where("? = ?", bun.Safe(w.Key), w.Value)
}
_, err := q.Exec(ctx)
return processErrorResponse(err)
}
func (b *basicDB) UpdateByID(ctx context.Context, id string, i interface{}) db.Error {
q := b.conn.
NewUpdate().
Model(i).
WherePK()
_, err := q.Exec(ctx)
return processErrorResponse(err)
}
func (b *basicDB) UpdateOneByID(ctx context.Context, id string, key string, value interface{}, i interface{}) db.Error {
q := b.conn.NewUpdate().
Model(i).
Set("? = ?", bun.Safe(key), value).
WherePK()
_, err := q.Exec(ctx)
return processErrorResponse(err)
}
func (b *basicDB) UpdateWhere(ctx context.Context, where []db.Where, key string, value interface{}, i interface{}) db.Error {
q := b.conn.NewUpdate().Model(i)
for _, w := range where {
if w.Value == nil {
q = q.Where("? IS NULL", bun.Ident(w.Key))
} else {
if w.CaseInsensitive {
q = q.Where("LOWER(?) = LOWER(?)", bun.Safe(w.Key), w.Value)
} else {
q = q.Where("? = ?", bun.Safe(w.Key), w.Value)
}
}
}
q = q.Set("? = ?", bun.Safe(key), value)
_, err := q.Exec(ctx)
return processErrorResponse(err)
}
func (b *basicDB) CreateTable(ctx context.Context, i interface{}) db.Error {
_, err := b.conn.NewCreateTable().Model(i).IfNotExists().Exec(ctx)
return err
}
func (b *basicDB) DropTable(ctx context.Context, i interface{}) db.Error {
_, err := b.conn.NewDropTable().Model(i).IfExists().Exec(ctx)
return processErrorResponse(err)
}
func (b *basicDB) IsHealthy(ctx context.Context) db.Error {
return b.conn.Ping()
}
func (b *basicDB) Stop(ctx context.Context) db.Error {
b.log.Info("closing db connection")
if err := b.conn.Close(); err != nil {
// only cancel if there's a problem closing the db
return err
}
return nil
}