alfio.manager.MollieManager.java Source code

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Here is the source code for alfio.manager.MollieManager.java

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/**
 * This file is part of alf.io.
 *
 * alf.io is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * alf.io is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with alf.io.  If not, see <http://www.gnu.org/licenses/>.
 */
package alfio.manager;

import alfio.manager.system.ConfigurationManager;
import alfio.model.*;
import alfio.model.system.Configuration;
import alfio.model.system.ConfigurationKeys;
import alfio.repository.EventRepository;
import alfio.repository.TicketReservationRepository;
import alfio.util.Json;
import com.google.gson.reflect.TypeToken;
import lombok.AllArgsConstructor;
import lombok.extern.log4j.Log4j2;
import okhttp3.*;
import org.apache.commons.lang3.StringUtils;
import org.springframework.context.MessageSource;
import org.springframework.stereotype.Component;

import java.util.HashMap;
import java.util.Locale;
import java.util.Map;

@Component
@Log4j2
@AllArgsConstructor
public class MollieManager {

    private final OkHttpClient client = new OkHttpClient();
    private final ConfigurationManager configurationManager;
    private final MessageSource messageSource;
    private final TicketReservationRepository ticketReservationRepository;
    private final EventRepository eventRepository;

    public String createCheckoutRequest(Event event, String reservationId, OrderSummary orderSummary,
            CustomerName customerName, String email, String billingAddress, Locale locale, boolean invoiceRequested,
            String vatCountryCode, String vatNr, PriceContainer.VatStatus vatStatus) throws Exception {

        String eventName = event.getShortName();

        String baseUrl = StringUtils.removeEnd(
                configurationManager.getRequiredValue(
                        Configuration.from(event.getOrganizationId(), event.getId(), ConfigurationKeys.BASE_URL)),
                "/");

        String bookUrl = baseUrl + "/event/" + eventName + "/reservation/" + reservationId + "/book";

        Map<String, Object> payload = new HashMap<>();
        payload.put("amount", orderSummary.getTotalPrice()); // quite ugly, but the mollie api require json floating point...

        //
        String description = messageSource.getMessage(
                "reservation-email-subject", new Object[] {
                        configurationManager.getShortReservationID(event, reservationId), event.getDisplayName() },
                locale);
        payload.put("description", description);
        payload.put("redirectUrl", bookUrl);
        payload.put("webhookUrl",
                baseUrl + "/webhook/mollie/api/event/" + eventName + "/reservation/" + reservationId);

        Map<String, String> initialMetadata = new HashMap<>();
        initialMetadata.put("reservationId", reservationId);
        initialMetadata.put("email", email);
        initialMetadata.put("fullName", customerName.getFullName());
        if (StringUtils.isNotBlank(billingAddress)) {
            initialMetadata.put("billingAddress", billingAddress);
        }

        payload.put("metadata", initialMetadata);

        RequestBody body = RequestBody.create(MediaType.parse("application/json"), Json.GSON.toJson(payload));
        Request request = requestFor("https://api.mollie.nl/v1/payments", event).post(body).build();

        try (Response resp = client.newCall(request).execute()) {
            ResponseBody responseBody = resp.body();
            String respBody = responseBody != null ? responseBody.string() : "null";
            if (!resp.isSuccessful()) {
                String msg = "was not able to create a payment for reservation id " + reservationId + ": "
                        + respBody;
                log.warn(msg);
                throw new Exception(msg);
            } else {
                ticketReservationRepository.updateReservationStatus(reservationId,
                        TicketReservation.TicketReservationStatus.EXTERNAL_PROCESSING_PAYMENT.toString());
                Map<String, Object> res = Json.GSON.fromJson(respBody, (new TypeToken<Map<String, Object>>() {
                }).getType());
                @SuppressWarnings("unchecked")
                Map<String, String> links = (Map<String, String>) res.get("links");
                return links.get("paymentUrl");
            }
        }
    }

    public void handleWebhook(String eventShortName, String reservationId, String paymentId) throws Exception {
        Event event = eventRepository.findByShortName(eventShortName);

        Request request = requestFor("https://api.mollie.nl/v1/payments/" + paymentId, event).get().build();
        Response resp = client.newCall(request).execute();

        try (ResponseBody responseBody = resp.body()) {
            String respBody = responseBody.string();
            if (!resp.isSuccessful()) {
                String msg = "was not able to get payment id " + paymentId + " for event " + eventShortName + " : "
                        + respBody;
                log.warn(msg);
                throw new Exception(msg);
            } else {
                Map<String, Object> res = Json.GSON.fromJson(respBody, (new TypeToken<Map<String, Object>>() {
                }).getType());

                //load metadata, check that reservationId match

                //see statuses: https://www.mollie.com/en/docs/status
                String status = (String) res.get("status");
                //open cancelled expired failed pending paid paidout refunded charged_back
                if ("paid".equals(status)) {
                    //TODO: register payment -> fetch reservationId from metadata -> switch as paid etc...
                } else if ("expired".equals(status)) {
                    //TODO: set reservation to expired so it can be handled by the job
                }
            }
        }
    }

    private Request.Builder requestFor(String url, Event event) {
        String mollieAPIKey = configurationManager
                .getRequiredValue(Configuration.from(event.getOrganizationId(), ConfigurationKeys.MOLLIE_API_KEY));
        return new Request.Builder().url(url).header("Authorization", "Bearer " + mollieAPIKey);
    }
}