/
register.go
86 lines (78 loc) · 2.13 KB
/
register.go
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package databasedi
import (
"context"
"database/sql"
"errors"
"fmt"
"github.com/abibby/salusa/database"
"github.com/abibby/salusa/database/dialects"
"github.com/abibby/salusa/database/migrate"
"github.com/abibby/salusa/di"
"github.com/abibby/salusa/kernel"
"github.com/jmoiron/sqlx"
)
func RegisterFromConfig(migrations *migrate.Migrations) func(ctx context.Context) error {
return func(ctx context.Context) error {
di.RegisterLazySingletonWith(ctx, func(cfg kernel.KernelConfig) (*sqlx.DB, error) {
var cfgAny any = cfg
cfger, ok := cfgAny.(dialects.DBConfiger)
if !ok {
return nil, fmt.Errorf("config not instance of dialects.DBConfiger")
}
dbcfg := cfger.DBConfig()
dbcfg.SetDialect()
db, err := sqlx.Open(dbcfg.DriverName(), dbcfg.DataSourceName())
if err != nil {
return nil, fmt.Errorf("databasedi.RegisterFromConfig: open database: %w", err)
}
if migrations != nil {
err = migrations.Up(ctx, db)
if err != nil {
return nil, fmt.Errorf("databasedi.RegisterFromConfig: migrate database: %w", err)
}
}
return db, nil
})
RegisterTransactions(ctx)
return nil
}
}
func Register(ctx context.Context, db *sqlx.DB) {
di.RegisterSingleton(ctx, func() *sqlx.DB {
return db
})
RegisterTransactions(ctx)
}
func RegisterTransactions(ctx context.Context) {
di.RegisterWith(ctx, func(ctx context.Context, tag string, db *sqlx.DB) (database.Read, error) {
return func(f func(tx *sqlx.Tx) error) error {
return runTx(ctx, db, f, true)
}, nil
})
di.RegisterWith(ctx, func(ctx context.Context, tag string, db *sqlx.DB) (database.Update, error) {
return func(f func(tx *sqlx.Tx) error) error {
return runTx(ctx, db, f, false)
}, nil
})
}
func runTx(ctx context.Context, db *sqlx.DB, f func(*sqlx.Tx) error, readOnly bool) error {
tx, err := db.BeginTxx(ctx, &sql.TxOptions{
ReadOnly: readOnly,
})
if err != nil {
return fmt.Errorf("failed to start transaction: %w", err)
}
err = f(tx)
if err == nil {
txErr := tx.Commit()
if txErr != nil {
return txErr
}
} else {
txErr := tx.Rollback()
if txErr != nil {
return errors.Join(err, txErr)
}
}
return err
}