gmessages/database/database.go
2023-08-08 16:17:14 +03:00

79 lines
2.1 KiB
Go

// mautrix-gmessages - A Matrix-Google Messages puppeting bridge.
// Copyright (C) 2023 Tulir Asokan
//
// 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 <https://www.gnu.org/licenses/>.
package database
import (
"context"
_ "github.com/mattn/go-sqlite3"
"go.mau.fi/util/dbutil"
"go.mau.fi/mautrix-gmessages/database/upgrades"
)
type Database struct {
*dbutil.Database
User *UserQuery
Portal *PortalQuery
Puppet *PuppetQuery
Message *MessageQuery
Reaction *ReactionQuery
}
func New(baseDB *dbutil.Database) *Database {
db := &Database{Database: baseDB}
db.UpgradeTable = upgrades.Table
db.User = &UserQuery{db: db}
db.Portal = &PortalQuery{db: db}
db.Puppet = &PuppetQuery{db: db}
db.Message = &MessageQuery{db: db}
db.Reaction = &ReactionQuery{db: db}
return db
}
type dataStruct[T any] interface {
Scan(row dbutil.Scannable) (T, error)
}
type queryStruct[T dataStruct[T]] interface {
New() T
getDB() *Database
}
func get[T dataStruct[T]](qs queryStruct[T], ctx context.Context, query string, args ...any) (T, error) {
return qs.New().Scan(qs.getDB().Conn(ctx).QueryRowContext(ctx, query, args...))
}
func getAll[T dataStruct[T]](qs queryStruct[T], ctx context.Context, query string, args ...any) ([]T, error) {
rows, err := qs.getDB().Conn(ctx).QueryContext(ctx, query, args...)
if err != nil {
return nil, err
}
items := make([]T, 0)
defer func() {
_ = rows.Close()
}()
for rows.Next() {
item, err := qs.New().Scan(rows)
if err != nil {
return nil, err
}
items = append(items, item)
}
return items, rows.Err()
}