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package operations
import (
"github.com/MichaelMure/git-bug/bug"
)
// SetTitleOperation will change the title of a bug
var _ bug.Operation = SetTitleOperation{}
type SetTitleOperation struct {
bug.OpBase
Title string
Was string
}
func (op SetTitleOperation) Apply(snapshot bug.Snapshot) bug.Snapshot {
snapshot.Title = op.Title
return snapshot
}
func NewSetTitleOp(author bug.Person, title string, was string) SetTitleOperation {
return SetTitleOperation{
OpBase: bug.NewOpBase(bug.SetTitleOp, author),
Title: title,
Was: was,
}
}
// Convenience function to apply the operation
func SetTitle(b *bug.Bug, author bug.Person, title string) {
it := bug.NewOperationIterator(b)
var lastTitleOp bug.Operation
for it.Next() {
op := it.Value()
if op.OpType() == bug.SetTitleOp {
lastTitleOp = op
}
}
var was string
if lastTitleOp != nil {
was = lastTitleOp.(SetTitleOperation).Title
} else {
was = b.FirstOp().(CreateOperation).Title
}
setTitleOp := NewSetTitleOp(author, title, was)
b.Append(setTitleOp)
}
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