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transaction.go
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transaction.go
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package auth
import (
"github.com/boreq/eggplant/application/auth"
"github.com/boreq/eggplant/application/queries"
"github.com/boreq/errors"
bolt "go.etcd.io/bbolt"
)
type AuthRepositoriesProvider interface {
Provide(tx *bolt.Tx) (*auth.TransactableRepositories, error)
}
type AuthTransactionProvider struct {
db *bolt.DB
repositoriesProvider AuthRepositoriesProvider
}
func NewAuthTransactionProvider(
db *bolt.DB,
repositoriesProvider AuthRepositoriesProvider,
) *AuthTransactionProvider {
return &AuthTransactionProvider{
db: db,
repositoriesProvider: repositoriesProvider,
}
}
func (p *AuthTransactionProvider) Read(handler auth.TransactionHandler) error {
return p.db.View(func(tx *bolt.Tx) error {
repositories, err := p.repositoriesProvider.Provide(tx)
if err != nil {
return errors.Wrap(err, "could not provide the repositories")
}
return handler(repositories)
})
}
func (p *AuthTransactionProvider) Write(handler auth.TransactionHandler) error {
return p.db.Batch(func(tx *bolt.Tx) error {
repositories, err := p.repositoriesProvider.Provide(tx)
if err != nil {
return errors.Wrap(err, "could not provide the repositories")
}
return handler(repositories)
})
}
type QueryRepositoriesProvider interface {
Provide(tx *bolt.Tx) (*queries.TransactableRepositories, error)
}
type QueryTransactionProvider struct {
db *bolt.DB
repositoriesProvider QueryRepositoriesProvider
}
func NewQueryTransactionProvider(
db *bolt.DB,
repositoriesProvider QueryRepositoriesProvider,
) *QueryTransactionProvider {
return &QueryTransactionProvider{
db: db,
repositoriesProvider: repositoriesProvider,
}
}
func (p *QueryTransactionProvider) Read(handler queries.TransactionHandler) error {
return p.db.View(func(tx *bolt.Tx) error {
repositories, err := p.repositoriesProvider.Provide(tx)
if err != nil {
return errors.Wrap(err, "could not provide the repositories")
}
return handler(repositories)
})
}