server/protocols/jmap-draft/src/main/java/org/apache/james/jmap/draft/utils/quotas/DefaultQuotaLoader.java

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package org.apache.james.jmap.draft.utils.quotas;

import javax.inject.Inject;

import org.apache.james.jmap.draft.model.mailbox.Quotas;
import org.apache.james.mailbox.model.MailboxPath;
import org.apache.james.mailbox.quota.QuotaManager;
import org.apache.james.mailbox.quota.QuotaRootResolver;

import reactor.core.publisher.Mono;

public class DefaultQuotaLoader extends QuotaLoader {

    private final QuotaRootResolver quotaRootResolver;
    private final QuotaManager quotaManager;

    @Inject
    public DefaultQuotaLoader(QuotaRootResolver quotaRootResolver, QuotaManager quotaManager) {
        this.quotaRootResolver = quotaRootResolver;
        this.quotaManager = quotaManager;
    }

    public Mono<Quotas> getQuotas(MailboxPath mailboxPath) {
        return Mono.from(quotaRootResolver.getQuotaRootReactive(mailboxPath))
            .flatMap(quotaRoot -> Mono.from(quotaManager.getQuotasReactive(quotaRoot))
                .map(quotas -> {
                    Quotas.QuotaId quotaId = Quotas.QuotaId.fromQuotaRoot(quotaRoot);

                    return Quotas.from(
                        quotaId,
                        Quotas.Quota.from(
                            quotaToValue(quotas.getStorageQuota()),
                            quotaToValue(quotas.getMessageQuota())));
                }));
    }

}