diff options
Diffstat (limited to 'bug/op_label_change.go')
| -rw-r--r-- | bug/op_label_change.go | 251 |
1 files changed, 0 insertions, 251 deletions
diff --git a/bug/op_label_change.go b/bug/op_label_change.go deleted file mode 100644 index 8bcc7853..00000000 --- a/bug/op_label_change.go +++ /dev/null @@ -1,251 +0,0 @@ -package bug - -import ( - "fmt" - "sort" - - "github.com/pkg/errors" - - "github.com/MichaelMure/git-bug/entity" - "github.com/MichaelMure/git-bug/entity/dag" - "github.com/MichaelMure/git-bug/identity" - "github.com/MichaelMure/git-bug/util/timestamp" -) - -var _ Operation = &LabelChangeOperation{} - -// LabelChangeOperation define a Bug operation to add or remove labels -type LabelChangeOperation struct { - dag.OpBase - Added []Label `json:"added"` - Removed []Label `json:"removed"` -} - -func (op *LabelChangeOperation) Id() entity.Id { - return dag.IdOperation(op, &op.OpBase) -} - -// Apply applies the operation -func (op *LabelChangeOperation) Apply(snapshot *Snapshot) { - snapshot.addActor(op.Author()) - - // Add in the set -AddLoop: - for _, added := range op.Added { - for _, label := range snapshot.Labels { - if label == added { - // Already exist - continue AddLoop - } - } - - snapshot.Labels = append(snapshot.Labels, added) - } - - // Remove in the set - for _, removed := range op.Removed { - for i, label := range snapshot.Labels { - if label == removed { - snapshot.Labels[i] = snapshot.Labels[len(snapshot.Labels)-1] - snapshot.Labels = snapshot.Labels[:len(snapshot.Labels)-1] - } - } - } - - // Sort - sort.Slice(snapshot.Labels, func(i, j int) bool { - return string(snapshot.Labels[i]) < string(snapshot.Labels[j]) - }) - - item := &LabelChangeTimelineItem{ - id: op.Id(), - Author: op.Author(), - UnixTime: timestamp.Timestamp(op.UnixTime), - Added: op.Added, - Removed: op.Removed, - } - - snapshot.Timeline = append(snapshot.Timeline, item) -} - -func (op *LabelChangeOperation) Validate() error { - if err := op.OpBase.Validate(op, LabelChangeOp); err != nil { - return err - } - - for _, l := range op.Added { - if err := l.Validate(); err != nil { - return errors.Wrap(err, "added label") - } - } - - for _, l := range op.Removed { - if err := l.Validate(); err != nil { - return errors.Wrap(err, "removed label") - } - } - - if len(op.Added)+len(op.Removed) <= 0 { - return fmt.Errorf("no label change") - } - - return nil -} - -func NewLabelChangeOperation(author identity.Interface, unixTime int64, added, removed []Label) *LabelChangeOperation { - return &LabelChangeOperation{ - OpBase: dag.NewOpBase(LabelChangeOp, author, unixTime), - Added: added, - Removed: removed, - } -} - -type LabelChangeTimelineItem struct { - id entity.Id - Author identity.Interface - UnixTime timestamp.Timestamp - Added []Label - Removed []Label -} - -func (l LabelChangeTimelineItem) Id() entity.Id { - return l.id -} - -// IsAuthored is a sign post method for gqlgen -func (l LabelChangeTimelineItem) IsAuthored() {} - -// ChangeLabels is a convenience function to change labels on a bug -func ChangeLabels(b Interface, author identity.Interface, unixTime int64, add, remove []string, metadata map[string]string) ([]LabelChangeResult, *LabelChangeOperation, error) { - var added, removed []Label - var results []LabelChangeResult - - snap := b.Compile() - - for _, str := range add { - label := Label(str) - - // check for duplicate - if labelExist(added, label) { - results = append(results, LabelChangeResult{Label: label, Status: LabelChangeDuplicateInOp}) - continue - } - - // check that the label doesn't already exist - if labelExist(snap.Labels, label) { - results = append(results, LabelChangeResult{Label: label, Status: LabelChangeAlreadySet}) - continue - } - - added = append(added, label) - results = append(results, LabelChangeResult{Label: label, Status: LabelChangeAdded}) - } - - for _, str := range remove { - label := Label(str) - - // check for duplicate - if labelExist(removed, label) { - results = append(results, LabelChangeResult{Label: label, Status: LabelChangeDuplicateInOp}) - continue - } - - // check that the label actually exist - if !labelExist(snap.Labels, label) { - results = append(results, LabelChangeResult{Label: label, Status: LabelChangeDoesntExist}) - continue - } - - removed = append(removed, label) - results = append(results, LabelChangeResult{Label: label, Status: LabelChangeRemoved}) - } - - if len(added) == 0 && len(removed) == 0 { - return results, nil, fmt.Errorf("no label added or removed") - } - - op := NewLabelChangeOperation(author, unixTime, added, removed) - for key, val := range metadata { - op.SetMetadata(key, val) - } - if err := op.Validate(); err != nil { - return nil, nil, err - } - - b.Append(op) - - return results, op, nil -} - -// ForceChangeLabels is a convenience function to apply the operation -// The difference with ChangeLabels is that no checks of deduplications are done. You are entirely -// responsible for what you are doing. In the general case, you want to use ChangeLabels instead. -// The intended use of this function is to allow importers to create legal but unexpected label changes, -// like removing a label with no information of when it was added before. -func ForceChangeLabels(b Interface, author identity.Interface, unixTime int64, add, remove []string, metadata map[string]string) (*LabelChangeOperation, error) { - added := make([]Label, len(add)) - for i, str := range add { - added[i] = Label(str) - } - - removed := make([]Label, len(remove)) - for i, str := range remove { - removed[i] = Label(str) - } - - op := NewLabelChangeOperation(author, unixTime, added, removed) - - for key, val := range metadata { - op.SetMetadata(key, val) - } - if err := op.Validate(); err != nil { - return nil, err - } - - b.Append(op) - - return op, nil -} - -func labelExist(labels []Label, label Label) bool { - for _, l := range labels { - if l == label { - return true - } - } - - return false -} - -type LabelChangeStatus int - -const ( - _ LabelChangeStatus = iota - LabelChangeAdded - LabelChangeRemoved - LabelChangeDuplicateInOp - LabelChangeAlreadySet - LabelChangeDoesntExist -) - -type LabelChangeResult struct { - Label Label - Status LabelChangeStatus -} - -func (l LabelChangeResult) String() string { - switch l.Status { - case LabelChangeAdded: - return fmt.Sprintf("label %s added", l.Label) - case LabelChangeRemoved: - return fmt.Sprintf("label %s removed", l.Label) - case LabelChangeDuplicateInOp: - return fmt.Sprintf("label %s is a duplicate", l.Label) - case LabelChangeAlreadySet: - return fmt.Sprintf("label %s was already set", l.Label) - case LabelChangeDoesntExist: - return fmt.Sprintf("label %s doesn't exist on this bug", l.Label) - default: - panic(fmt.Sprintf("unknown label change status %v", l.Status)) - } -} |