private boolean modifyOne(Change.Id changeId) throws Exception {
ChangeResource changeRsrc = changesCollection.parse(changeId);
boolean ok = true;
// Remove reviewers
//
DeleteReviewer delete = deleteReviewerProvider.get();
for (Account.Id reviewer : toRemove) {
ReviewerResource rsrc = reviewerFactory.create(changeRsrc, reviewer);
String error = null;
try {
delete.apply(rsrc, new DeleteReviewer.Input());
} catch (ResourceNotFoundException e) {
error = String.format("could not remove %s: not found", reviewer);
} catch (Exception e) {
error = String.format("could not remove %s: %s", reviewer, e.getMessage());
}
if (error != null) {
ok = false;
writeError("error", error);
}
}
// Add reviewers
//
PostReviewers post = postReviewersProvider.get();
for (String reviewer : toAdd) {
AddReviewerInput input = new AddReviewerInput();
input.reviewer = reviewer;
input.confirmed = true;
String error;
try {
error = post.apply(changeRsrc, input).error;
} catch (Exception e) {
error = String.format("could not add %s: %s", reviewer, e.getMessage());
}
if (error != null) {
ok = false;
writeError("error", error);
}
}
return ok;
}