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package bug
import (
"fmt"
"github.com/pkg/errors"
"github.com/git-bug/git-bug/entities/identity"
"github.com/git-bug/git-bug/entity"
"github.com/git-bug/git-bug/entity/dag"
"github.com/git-bug/git-bug/repository"
"github.com/git-bug/git-bug/util/timestamp"
"github.com/git-bug/git-bug/util/text"
)
var _ Operation = &EditCommentOperation{}
var _ dag.OperationWithFiles = &EditCommentOperation{}
// EditCommentOperation will change a comment in the bug
type EditCommentOperation struct {
dag.OpBase
Target entity.Id `json:"target"`
Message string `json:"message"`
Files []repository.Hash `json:"files"`
}
func (op *EditCommentOperation) Id() entity.Id {
return dag.IdOperation(op, &op.OpBase)
}
func (op *EditCommentOperation) Apply(snapshot *Snapshot) {
// Todo: currently any message can be edited, even by a different author
// crypto signature are needed.
// Recreate the combined Id to match on
combinedId := entity.CombineIds(snapshot.Id(), op.Target)
var target TimelineItem
for i, item := range snapshot.Timeline {
if item.CombinedId() == combinedId {
target = snapshot.Timeline[i]
break
}
}
if target == nil {
// Target not found, edit is a no-op
return
}
comment := Comment{
combinedId: combinedId,
targetId: op.Target,
Message: op.Message,
Files: op.Files,
unixTime: timestamp.Timestamp(op.UnixTime),
}
switch target := target.(type) {
case *CreateTimelineItem:
target.Append(comment)
case *AddCommentTimelineItem:
target.Append(comment)
default:
// somehow, the target matched on something that is not a comment
// we make the op a no-op
return
}
snapshot.addActor(op.Author())
// Updating the corresponding comment
for i := range snapshot.Comments {
if snapshot.Comments[i].CombinedId() == combinedId {
snapshot.Comments[i].Message = op.Message
snapshot.Comments[i].Files = op.Files
break
}
}
}
func (op *EditCommentOperation) GetFiles() []repository.Hash {
return op.Files
}
func (op *EditCommentOperation) Validate() error {
if err := op.OpBase.Validate(op, EditCommentOp); err != nil {
return err
}
if err := op.Target.Validate(); err != nil {
return errors.Wrap(err, "target hash is invalid")
}
if !text.Safe(op.Message) {
return fmt.Errorf("message is not fully printable")
}
return nil
}
func NewEditCommentOp(author identity.Interface, unixTime int64, target entity.Id, message string, files []repository.Hash) *EditCommentOperation {
return &EditCommentOperation{
OpBase: dag.NewOpBase(EditCommentOp, author, unixTime),
Target: target,
Message: message,
Files: files,
}
}
// EditComment is a convenience function to apply the operation
func EditComment(b Interface, author identity.Interface, unixTime int64, target entity.Id, message string, files []repository.Hash, metadata map[string]string) (entity.CombinedId, *EditCommentOperation, error) {
op := NewEditCommentOp(author, unixTime, target, message, files)
for key, val := range metadata {
op.SetMetadata(key, val)
}
if err := op.Validate(); err != nil {
return entity.UnsetCombinedId, nil, err
}
b.Append(op)
return entity.CombineIds(b.Id(), target), op, nil
}
// EditCreateComment is a convenience function to edit the body of a bug (the first comment)
func EditCreateComment(b Interface, author identity.Interface, unixTime int64, message string, files []repository.Hash, metadata map[string]string) (entity.CombinedId, *EditCommentOperation, error) {
createOp := b.FirstOp().(*CreateOperation)
return EditComment(b, author, unixTime, createOp.Id(), message, files, metadata)
}
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