private Updates computeUpdates(
List<com.antoshkaplus.words.model.Translation> local, List<Translation> remote) {
Updates updates = new Updates();
LocalTranslationList localList = new LocalTranslationList(local);
for (Translation r : remote) {
com.antoshkaplus.words.model.Translation t = localList.extract(r);
if (t == null) {
updates.localNotFound.add(toLocal(r));
} else {
long t_creation = t.creationDate.getTime();
long r_creation = r.getCreationDate().getValue();
boolean creationEqual = t_creation == r_creation;
long earliestCreation = Math.min(t_creation, r_creation);
if (updateDateLess(t, r)) {
// r is newer
if (!creationEqual) {
r.setCreationDate(new DateTime(earliestCreation));
// we are fine sending something with
// same update date
updates.remote.add(r);
}
com.antoshkaplus.words.model.Translation tr = toLocal(r);
tr.id = t.id;
updates.localIntersection.add(tr);
} else {
if (!creationEqual) {
t.creationDate = new Date(earliestCreation);
updates.localIntersection.add(t);
}
updates.remote.add(toRemote(t));
}
}
}
for (com.antoshkaplus.words.model.Translation t : localList.getList()) {
updates.remote.add(toRemote(t));
}
updates.localNew = localList.getList();
return updates;
}
private com.antoshkaplus.words.model.Translation toLocal(Translation r) {
com.antoshkaplus.words.model.Translation t = new com.antoshkaplus.words.model.Translation();
t.creationDate = new Date(r.getCreationDate().getValue());
t.updateDate = new Date(r.getUpdateDate().getValue());
t.deleted = r.getDeleted();
t.foreignWord = r.getForeignWord();
t.nativeWord = r.getNativeWord();
return t;
}