/**
* Takes lists of TurboIssues and reconciles the changes between them, returning a list of
* TurboIssues with updates from the second.
*
* @param existing
* @param changed
*/
public static List<TurboIssue> reconcile(List<TurboIssue> existing, List<TurboIssue> changed) {
List<TurboIssue> existingCopy = new ArrayList<>(existing);
for (TurboIssue issue : changed) {
int id = issue.getId();
Optional<Integer> correspondingIssueIndex = findIssueWithId(existingCopy, id);
if (!correspondingIssueIndex.isPresent()) {
existingCopy.add(new TurboIssue(issue));
} else {
TurboIssue existingIssue = existingCopy.get(correspondingIssueIndex.get());
TurboIssue newIssue = new TurboIssue(issue);
// newIssue is constructed from an external Issue object.
// It won't have the transient state that its TurboIssue
// counterpart has, so we have to explicitly transfer it.
newIssue.transferTransientState(existingIssue);
newIssue.reconcile(existingIssue);
existingCopy.set(correspondingIssueIndex.get(), newIssue);
}
}
return existingCopy;
}
