milestone: edit

models/error.go

@@ -134,3 +134,24 @@ func IsErrRepoNotExist(err error) bool {
 func (err ErrRepoNotExist) Error() string {
 	return fmt.Sprintf("repository does not exist [id: %d, uid: %d, name: %s]", err.ID, err.UID, err.Name)
 }
+
+//    _____  .__.__                   __
+//   /     \ |__|  |   ____   _______/  |_  ____   ____   ____
+//  /  \ /  \|  |  | _/ __ \ /  ___/\   __\/  _ \ /    \_/ __ \
+// /    Y    \  |  |_\  ___/ \___ \  |  | (  <_> )   |  \  ___/
+// \____|__  /__|____/\___  >____  > |__|  \____/|___|  /\___  >
+//         \/             \/     \/                   \/     \/
+
+type ErrMilestoneNotExist struct {
+	ID    int64
+	Index int64
+}
+
+func IsErrMilestoneNotExist(err error) bool {
+	_, ok := err.(ErrMilestoneNotExist)
+	return ok
+}
+
+func (err ErrMilestoneNotExist) Error() string {
+	return fmt.Sprintf("milestone does not exist [id: %d, index: %d]", err.ID, err.Index)
+}

models/issue.go

@@ -23,7 +23,6 @@ import (
 var (
 	ErrIssueNotExist       = errors.New("Issue does not exist")
 	ErrLabelNotExist       = errors.New("Label does not exist")
-	ErrMilestoneNotExist   = errors.New("Milestone does not exist")
 	ErrWrongIssueCounter   = errors.New("Invalid number of issues for this milestone")
 	ErrAttachmentNotExist  = errors.New("Attachment does not exist")
 	ErrAttachmentNotLinked = errors.New("Attachment does not belong to this issue")
@@ -691,7 +690,7 @@ func MilestoneById(id int64) (*Milestone, error) {
 	if err != nil {
 		return nil, err
 	} else if !has {
-		return nil, ErrMilestoneNotExist
+		return nil, ErrMilestoneNotExist{id, 0}
 	}
 	return m, nil
 }
@@ -703,7 +702,7 @@ func GetMilestoneByIndex(repoId, idx int64) (*Milestone, error) {
 	if err != nil {
 		return nil, err
 	} else if !has {
-		return nil, ErrMilestoneNotExist
+		return nil, ErrMilestoneNotExist{0, idx}
 	}
 	return m, nil
 }