mirror of https://github.com/stashapp/stash.git
71 lines
1.3 KiB
Go
71 lines
1.3 KiB
Go
package models
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import "context"
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type Transaction interface {
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Begin() error
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Rollback() error
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Commit() error
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Repository() Repository
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}
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type ReadTransaction interface {
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Begin() error
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Rollback() error
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Commit() error
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Repository() ReaderRepository
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}
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type TransactionManager interface {
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WithTxn(ctx context.Context, fn func(r Repository) error) error
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WithReadTxn(ctx context.Context, fn func(r ReaderRepository) error) error
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}
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func WithTxn(txn Transaction, fn func(r Repository) error) error {
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err := txn.Begin()
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if err != nil {
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return err
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}
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defer func() {
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if p := recover(); p != nil {
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// a panic occurred, rollback and repanic
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txn.Rollback()
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panic(p)
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} else if err != nil {
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// something went wrong, rollback
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txn.Rollback()
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} else {
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// all good, commit
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err = txn.Commit()
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}
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}()
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err = fn(txn.Repository())
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return err
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}
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func WithROTxn(txn ReadTransaction, fn func(r ReaderRepository) error) error {
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err := txn.Begin()
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if err != nil {
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return err
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}
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defer func() {
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if p := recover(); p != nil {
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// a panic occurred, rollback and repanic
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txn.Rollback()
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panic(p)
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} else if err != nil {
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// something went wrong, rollback
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txn.Rollback()
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} else {
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// all good, commit
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err = txn.Commit()
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}
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}()
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err = fn(txn.Repository())
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return err
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}
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