SimpleCloudNotifier/server/db/database.go

114 lines
2.7 KiB
Go

package db
import (
server "blackforestbytes.com/simplecloudnotifier"
"blackforestbytes.com/simplecloudnotifier/db/schema"
"context"
"database/sql"
"errors"
"fmt"
"github.com/jmoiron/sqlx"
_ "github.com/mattn/go-sqlite3"
"github.com/rs/zerolog/log"
"gogs.mikescher.com/BlackForestBytes/goext/langext"
"gogs.mikescher.com/BlackForestBytes/goext/sq"
"time"
)
type Database struct {
db sq.DB
}
func NewDatabase(conf server.Config) (*Database, error) {
url := fmt.Sprintf("file:%s?_journal=%s&_timeout=%d&_fk=%s", conf.DBFile, conf.DBJournal, conf.DBTimeout.Milliseconds(), langext.FormatBool(conf.DBCheckForeignKeys, "true", "false"))
xdb, err := sqlx.Open("sqlite3", url)
if err != nil {
return nil, err
}
xdb.SetMaxOpenConns(5)
xdb.SetMaxIdleConns(5)
xdb.SetConnMaxLifetime(60 * time.Minute)
xdb.SetConnMaxIdleTime(60 * time.Minute)
qqdb := sq.NewDB(xdb)
scndb := &Database{qqdb}
qqdb.SetListener(scndb)
return scndb, nil
}
func (db *Database) Migrate(ctx context.Context) error {
ctx, cancel := context.WithTimeout(context.Background(), 24*time.Second)
defer cancel()
currschema, err := db.ReadSchema(ctx)
if currschema == 0 {
_, err = db.db.Exec(ctx, schema.Schema3, sq.PP{})
if err != nil {
return err
}
err = db.WriteMetaInt(ctx, "schema", 3)
if err != nil {
return err
}
return nil
} else if currschema == 1 {
return errors.New("cannot autom. upgrade schema 1")
} else if currschema == 2 {
return errors.New("cannot autom. upgrade schema 2") //TODO
} else if currschema == 3 {
return nil // current
} else {
return errors.New(fmt.Sprintf("Unknown DB schema: %d", currschema))
}
}
func (db *Database) Ping(ctx context.Context) error {
return db.db.Ping(ctx)
}
func (db *Database) BeginTx(ctx context.Context) (sq.Tx, error) {
return db.db.BeginTransaction(ctx, sql.LevelDefault)
}
func (db *Database) OnQuery(txID *uint16, sql string, _ *sq.PP) {
if txID == nil {
log.Debug().Msg(fmt.Sprintf("[SQL-QUERY] %s", fmtSQLPrint(sql)))
} else {
log.Debug().Msg(fmt.Sprintf("[SQL-TX<%d>-QUERY] %s", *txID, fmtSQLPrint(sql)))
}
}
func (db *Database) OnExec(txID *uint16, sql string, _ *sq.PP) {
if txID == nil {
log.Debug().Msg(fmt.Sprintf("[SQL-EXEC] %s", fmtSQLPrint(sql)))
} else {
log.Debug().Msg(fmt.Sprintf("[SQL-TX<%d>-EXEC] %s", *txID, fmtSQLPrint(sql)))
}
}
func (db *Database) OnPing() {
log.Debug().Msg("[SQL-PING]")
}
func (db *Database) OnTxBegin(txid uint16) {
log.Debug().Msg(fmt.Sprintf("[SQL-TX<%d>-START]", txid))
}
func (db *Database) OnTxCommit(txid uint16) {
log.Debug().Msg(fmt.Sprintf("[SQL-TX<%d>-COMMIT]", txid))
}
func (db *Database) OnTxRollback(txid uint16) {
log.Debug().Msg(fmt.Sprintf("[SQL-TX<%d>-ROLLBACK]", txid))
}