51 lines
970 B
Go
51 lines
970 B
Go
package es
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import (
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"context"
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"errors"
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"fmt"
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"strings"
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"github.com/sour-is/ev/pkg/es/driver"
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"github.com/sour-is/ev/pkg/locker"
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)
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type config struct {
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drivers map[string]driver.Driver
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}
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var (
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Config = locker.New(&config{drivers: make(map[string]driver.Driver)})
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)
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func Register(ctx context.Context, name string, d driver.Driver) {
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Config.Modify(ctx, func(c *config) error {
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if _, set := c.drivers[name]; set {
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return fmt.Errorf("driver %s already set", name)
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}
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c.drivers[name] = d
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return nil
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})
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}
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func Open(ctx context.Context, dsn string) (driver.EventStore, error) {
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name, _, ok := strings.Cut(dsn, ":")
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if !ok {
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return nil, fmt.Errorf("%w: no scheme", ErrNoDriver)
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}
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var d driver.Driver
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Config.Modify(ctx,func(c *config) error {
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var ok bool
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d, ok = c.drivers[name]
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if !ok {
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return fmt.Errorf("%w: %s not registered", ErrNoDriver, name)
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}
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return nil
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})
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return d.Open(dsn)
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}
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var ErrNoDriver = errors.New("no driver")
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