mirror of
https://github.com/MichaelMure/git-bug.git
synced 2024-12-15 02:01:43 +03:00
53 lines
1.0 KiB
Go
53 lines
1.0 KiB
Go
package bug
|
|
|
|
import "github.com/MichaelMure/git-bug/repository"
|
|
|
|
var _ Interface = &WithSnapshot{}
|
|
|
|
// WithSnapshot encapsulate a Bug and maintain the corresponding Snapshot efficiently
|
|
type WithSnapshot struct {
|
|
*Bug
|
|
snap *Snapshot
|
|
}
|
|
|
|
// Snapshot return the current snapshot
|
|
func (b *WithSnapshot) Snapshot() *Snapshot {
|
|
if b.snap == nil {
|
|
snap := b.Bug.Compile()
|
|
b.snap = &snap
|
|
}
|
|
return b.snap
|
|
}
|
|
|
|
// Append intercept Bug.Append() to update the snapshot efficiently
|
|
func (b *WithSnapshot) Append(op Operation) {
|
|
b.Bug.Append(op)
|
|
|
|
if b.snap == nil {
|
|
return
|
|
}
|
|
|
|
op.Apply(b.snap)
|
|
b.snap.Operations = append(b.snap.Operations, op)
|
|
}
|
|
|
|
// Commit intercept Bug.Commit() to update the snapshot efficiently
|
|
func (b *WithSnapshot) Commit(repo repository.ClockedRepo) error {
|
|
err := b.Bug.Commit(repo)
|
|
|
|
if err != nil {
|
|
b.snap = nil
|
|
return err
|
|
}
|
|
|
|
// Commit() shouldn't change anything of the bug state apart from the
|
|
// initial ID set
|
|
|
|
if b.snap == nil {
|
|
return nil
|
|
}
|
|
|
|
b.snap.id = b.Bug.Id()
|
|
return nil
|
|
}
|