diff options
author | Michael Muré <batolettre@gmail.com> | 2018-09-28 20:39:39 +0200 |
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committer | Michael Muré <batolettre@gmail.com> | 2018-09-29 00:51:54 +0200 |
commit | 1bf268cebc84a9de1e538cbb54bcc0f434022192 (patch) | |
tree | daeb92cd6b15d56a7a7102f95b73756e5b9597d0 /operations/label_change.go | |
parent | 8af6f7d98f2fd98f85d6a17bcda49983c272cf48 (diff) | |
download | git-bug-1bf268cebc84a9de1e538cbb54bcc0f434022192.tar.gz |
merge package operations into bug, they are tightly coupled anyway
Diffstat (limited to 'operations/label_change.go')
-rw-r--r-- | operations/label_change.go | 186 |
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)) - } -} |