178 lines
6.4 KiB
Java
178 lines
6.4 KiB
Java
package org.mercury_im.messenger.data.repository;
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import org.mercury_im.messenger.core.data.repository.AccountRepository;
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import org.mercury_im.messenger.core.data.repository.PeerRepository;
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import org.mercury_im.messenger.core.util.Optional;
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import org.mercury_im.messenger.data.mapping.PeerMapping;
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import org.mercury_im.messenger.data.model.PeerModel;
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import org.mercury_im.messenger.entity.Account;
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import org.mercury_im.messenger.entity.contact.Peer;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.UUID;
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import javax.inject.Inject;
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import io.reactivex.Completable;
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import io.reactivex.Maybe;
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import io.reactivex.Observable;
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import io.reactivex.Single;
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import io.requery.Persistable;
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import io.requery.query.ResultDelegate;
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import io.requery.reactivex.ReactiveEntityStore;
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public class RxPeerRepository
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extends RequeryRepository
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implements PeerRepository {
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private final AccountRepository accountRepository;
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private final PeerMapping peerMapping;
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@Inject
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public RxPeerRepository(ReactiveEntityStore<Persistable> data,
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PeerMapping peerMapping, AccountRepository accountRepository) {
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super(data);
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this.peerMapping = peerMapping;
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this.accountRepository = accountRepository;
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}
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@Override
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public Single<Peer> insertPeer(Peer peer) {
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return data().insert(peerMapping.toModel(peer, new PeerModel()))
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.map(model -> peerMapping.toEntity(model, peer));
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}
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@Override
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public Observable<Optional<Peer>> observePeer(UUID peerId) {
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return data().select(PeerModel.class)
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.where(PeerModel.ID.eq(peerId))
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.get().observableResult()
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.map(result -> new Optional<>(peerMapping.toEntity(result.firstOrNull(), new Peer())));
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}
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@Override
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public Maybe<Peer> getPeer(UUID peerId) {
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return data().select(PeerModel.class)
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.where(PeerModel.ID.eq(peerId))
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.get().maybe()
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.map(model -> peerMapping.toEntity(model, new Peer()));
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}
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@Override
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public Observable<Optional<Peer>> observePeerByAddress(UUID accountId, String address) {
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return data().select(PeerModel.class)
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.where(PeerModel.ACCOUNT_ID.eq(accountId))
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.and(PeerModel.ADDRESS.eq(address))
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.get().observableResult()
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.map(result -> new Optional<>(result.firstOrNull()))
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.map(peerMapping::toEntity);
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}
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@Override
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public Single<Peer> getOrCreatePeer(UUID accountId, String address) {
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return accountRepository.getAccount(accountId).toSingle()
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.flatMap(account -> getOrCreatePeer(account, address));
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}
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@Override
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public Maybe<Peer> getPeerByAddress(UUID accountId, String address) {
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return data().select(PeerModel.class)
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.where(PeerModel.ACCOUNT_ID.eq(accountId))
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.and(PeerModel.ADDRESS.eq(address))
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.get().maybe()
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.map(peerMapping::toEntity);
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}
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@Override
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public Single<Peer> getOrCreatePeer(Account account, String address) {
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return getPeerByAddress(account, address)
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.switchIfEmpty(
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Single.just(new Peer())
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.map(peer -> {
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peer.setAccount(account);
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peer.setAddress(address);
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return peer;
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})
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.flatMap(this::upsertPeer));
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}
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@Override
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public Observable<List<Peer>> observeAllPeers() {
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return data().select(PeerModel.class)
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.orderBy(PeerModel.ADDRESS)
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.get().observableResult()
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.map(ResultDelegate::toList)
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.map(this::peerModelsToEntities);
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}
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private List<Peer> peerModelsToEntities(List<PeerModel> peerModels) {
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List<Peer> peerEntities = new ArrayList<>(peerModels.size());
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for (PeerModel model : peerModels) {
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peerEntities.add(peerMapping.toEntity(model));
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}
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return peerEntities;
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}
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@Override
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public Observable<List<Peer>> observeAllContactsOfAccount(UUID accountId) {
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return data().select(PeerModel.class)
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.where(PeerModel.ACCOUNT_ID.eq(accountId))
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//.and(isContact())
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.get().observableResult()
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.map(ResultDelegate::toList)
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.map(this::peerModelsToEntities);
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}
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@Override
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public Single<Peer> updatePeer(Peer peer) {
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// In order to update, we fetch the model, update it and write it back.
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return data().select(PeerModel.class)
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.where(PeerModel.ID.eq(peer.getId()))
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.get().maybe().toSingle()
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// write changes into model
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.map(model -> peerMapping.toModel(peer, model))
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.flatMap(data()::update)
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.map(model -> peerMapping.toEntity(model, peer));
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}
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@Override
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public Single<Peer> upsertPeer(Peer peer) {
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return data().select(PeerModel.class)
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.where(PeerModel.ID.eq(peer.getId()))
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.get().maybe()
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// if not exists, create
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.switchIfEmpty(Single.just(peer)
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.map(peerMapping::toModel)
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.flatMap(data()::insert))
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// write changes into fetched model
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.map(model -> peerMapping.toModel(peer, model))
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// write changed model back to db
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.flatMap(data()::update)
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.map(model -> peerMapping.toEntity(model, peer));
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}
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@Override
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public Completable deletePeer(Peer peer) {
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return data().delete(PeerModel.class)
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.where(PeerModel.ID.eq(peer.getId()))
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.get().single().ignoreElement();
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}
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@Override
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public Completable deletePeer(UUID accountId, String address) {
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return data().delete(PeerModel.class)
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.where(PeerModel.ACCOUNT_ID.eq(accountId)
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.and(PeerModel.ADDRESS.eq(address)))
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.get().single().ignoreElement();
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}
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@Override
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public Completable deleteAllPeers(UUID accountId) {
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return data().delete(PeerModel.class)
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.where(PeerModel.ACCOUNT_ID.eq(accountId))
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.get().single().ignoreElement();
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}
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}
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