initial implementation of DeleteVote()

Author: opalmer

changes_reviewer.go

@@ -25,6 +25,15 @@ type AddReviewerResult struct {
 	Confirm   bool           `json:"confirm,omitempty"`
 }
 
+// DeleteVoteInput  entity contains options for the deletion of a vote.
+//
+// Gerrit API docs: https://gerrit-review.googlesource.com/Documentation/rest-api-changes.html#delete-vote-input
+type DeleteVoteInput struct {
+	Label         string                `json:"label,omitempty"`
+	Notify        string                `json:"notify,omitempty"`
+	NotifyDetails map[string]NotifyInfo `json:"notify_details"`
+}
+
 // ListReviewers lists the reviewers of a change.
 //
 // Gerrit API docs: https://gerrit-review.googlesource.com/Documentation/rest-api-changes.html#list-reviewers
@@ -142,3 +151,13 @@ func (s *ChangesService) ListVotes(changeID string, accountID string) (map[strin
 	}
 	return v, resp, err
 }
+
+// DeleteVote deletes a single vote from a change. Note, that even when the
+// last vote of a reviewer is removed the reviewer itself is still listed on
+// the change.
+//
+// Gerrit API docs: https://gerrit-review.googlesource.com/Documentation/rest-api-changes.html#delete-vote
+func (s *ChangesService) DeleteVote(changeID string, accountID string, label string, input *DeleteVoteInput) (*Response, error) {
+	u := fmt.Sprintf("changes/%s/reviewers/%s/%s", changeID, accountID, label)
+	return s.client.DeleteRequest(u, input)
+}