1 files changed, 0 insertions, 186 deletions
diff --git a/operations/label_change.go b/operations/label_change.go
deleted file mode 100644
index 83e3e692..00000000
--- a/operations/label_change.go
+++ /dev/null
@@ -1,186 +0,0 @@
-package operations
-
-import (
-	"fmt"
-	"sort"
-
-	"github.com/MichaelMure/git-bug/bug"
-	"github.com/pkg/errors"
-)
-
-var _ bug.Operation = LabelChangeOperation{}
-
-// LabelChangeOperation define a Bug operation to add or remove labels
-type LabelChangeOperation struct {
-	*bug.OpBase
-	Added   []bug.Label `json:"added"`
-	Removed []bug.Label `json:"removed"`
-}
-
-// Apply apply the operation
-func (op LabelChangeOperation) Apply(snapshot bug.Snapshot) bug.Snapshot {
-	// 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])
-	})
-
-	return snapshot
-}
-
-func (op LabelChangeOperation) Validate() error {
-	if err := bug.OpBaseValidate(op, bug.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 bug.Person, unixTime int64, added, removed []bug.Label) LabelChangeOperation {
-	return LabelChangeOperation{
-		OpBase:  bug.NewOpBase(bug.LabelChangeOp, author, unixTime),
-		Added:   added,
-		Removed: removed,
-	}
-}
-
-// ChangeLabels is a convenience function to apply the operation
-func ChangeLabels(b bug.Interface, author bug.Person, unixTime int64, add, remove []string) ([]LabelChangeResult, error) {
-	var added, removed []bug.Label
-	var results []LabelChangeResult
-
-	snap := b.Compile()
-
-	for _, str := range add {
-		label := bug.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 := bug.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, fmt.Errorf("no label added or removed")
-	}
-
-	labelOp := NewLabelChangeOperation(author, unixTime, added, removed)
-
-	if err := labelOp.Validate(); err != nil {
-		return nil, err
-	}
-
-	b.Append(labelOp)
-
-	return results, nil
-}
-
-func labelExist(labels []bug.Label, label bug.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  bug.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))
-	}
-}