Java tutorial
/** * 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.controller.api; import alfio.manager.EventManager; import alfio.manager.support.OrderSummary; import alfio.model.TicketReservation; import alfio.model.modification.EventModification; import alfio.model.modification.EventWithStatistics; import alfio.model.modification.TicketAllocationModification; import alfio.model.modification.TicketCategoryModification; import alfio.model.transaction.PaymentProxy; import alfio.util.ValidationResult; import alfio.util.Validator; import com.opencsv.CSVReader; import lombok.extern.log4j.Log4j2; import org.apache.commons.lang3.Validate; import org.apache.commons.lang3.tuple.Pair; import org.apache.commons.lang3.tuple.Triple; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.http.HttpStatus; import org.springframework.validation.Errors; import org.springframework.web.bind.annotation.*; import org.springframework.web.multipart.MultipartFile; import java.io.IOException; import java.io.InputStreamReader; import java.math.BigDecimal; import java.security.Principal; import java.util.*; import java.util.stream.Collectors; import static org.springframework.web.bind.annotation.RequestMethod.*; @RestController @RequestMapping("/admin/api") @Log4j2 public class EventApiController { private static final String OK = "OK"; private final EventManager eventManager; @Autowired public EventApiController(EventManager eventManager) { this.eventManager = eventManager; } @ExceptionHandler(Exception.class) @ResponseStatus(HttpStatus.INTERNAL_SERVER_ERROR) public String unhandledException(Exception e) { if (!IllegalArgumentException.class.isInstance(e)) { log.warn("unhandled exception", e); } return e.getMessage(); } @RequestMapping(value = "/paymentProxies", method = GET) @ResponseStatus(HttpStatus.OK) public List<PaymentProxy> getPaymentProxies() { return Arrays.asList(PaymentProxy.values()); } @RequestMapping(value = "/events", method = GET) public List<EventWithStatistics> getAllEvents(Principal principal) { return eventManager.getAllEventsWithStatistics(principal.getName()); } @RequestMapping(value = "/events/{name}", method = GET) public Map<String, Object> getSingleEvent(@PathVariable("name") String eventName, Principal principal) { Map<String, Object> out = new HashMap<>(); final String username = principal.getName(); final EventWithStatistics event = eventManager.getSingleEventWithStatistics(eventName, username); out.put("event", event); out.put("organization", eventManager.loadOrganizer(event.getEvent(), username)); return out; } @RequestMapping(value = "/events/check", method = POST) public ValidationResult validateEvent(@RequestBody EventModification eventModification) { return ValidationResult.success(); } @RequestMapping(value = "/events/new", method = POST) public String insertEvent(@RequestBody EventModification eventModification) { eventManager.createEvent(eventModification); return OK; } @RequestMapping(value = "/events/{id}/header/update", method = POST) public ValidationResult updateHeader(@PathVariable("id") int id, @RequestBody EventModification eventModification, Errors errors, Principal principal) { return Validator.validateEventHeader(eventModification, errors) .ifSuccess(() -> eventManager.updateEventHeader(id, eventModification, principal.getName())); } @RequestMapping(value = "/events/{id}/prices/update", method = POST) public ValidationResult updatePrices(@PathVariable("id") int id, @RequestBody EventModification eventModification, Errors errors, Principal principal) { return Validator.validateEventPrices(eventModification, errors) .ifSuccess(() -> eventManager.updateEventPrices(id, eventModification, principal.getName())); } @RequestMapping(value = "/events/{eventId}/categories/{categoryId}/update", method = POST) public ValidationResult updateExistingCategory(@PathVariable("eventId") int eventId, @PathVariable("categoryId") int categoryId, @RequestBody TicketCategoryModification category, Errors errors, Principal principal) { return Validator.validateCategory(category, errors) .ifSuccess(() -> eventManager.updateCategory(categoryId, eventId, category, principal.getName())); } @RequestMapping(value = "/events/{eventId}/categories/new", method = POST) public ValidationResult createCategory(@PathVariable("eventId") int eventId, @RequestBody TicketCategoryModification category, Errors errors, Principal principal) { return Validator.validateCategory(category, errors) .ifSuccess(() -> eventManager.insertCategory(eventId, category, principal.getName())); } @RequestMapping(value = "/events/reallocate", method = PUT) public String reallocateTickets(@RequestBody TicketAllocationModification form) { eventManager.reallocateTickets(form.getSrcCategoryId(), form.getTargetCategoryId(), form.getEventId()); return OK; } @RequestMapping(value = "/events/{eventName}/pending-payments") public List<Pair<TicketReservation, OrderSummary>> getPendingPayments( @PathVariable("eventName") String eventName, Principal principal) { return eventManager.getPendingPayments(eventName, principal.getName()); } @RequestMapping(value = "/events/{eventName}/pending-payments/{reservationId}/confirm", method = POST) public String confirmPayment(@PathVariable("eventName") String eventName, @PathVariable("reservationId") String reservationId, Principal principal) { eventManager.confirmPayment(eventName, reservationId, principal.getName()); return OK; } @RequestMapping(value = "/events/{eventName}/pending-payments/{reservationId}", method = DELETE) public String deletePendingPayment(@PathVariable("eventName") String eventName, @PathVariable("reservationId") String reservationId, Principal principal) { eventManager.deletePendingOfflinePayment(eventName, reservationId, principal.getName()); return OK; } @RequestMapping(value = "/events/{eventName}/pending-payments/bulk-confirmation", method = POST) public List<Triple<Boolean, String, String>> bulkConfirmation(@PathVariable("eventName") String eventName, Principal principal, @RequestParam("file") MultipartFile file) throws IOException { try (InputStreamReader isr = new InputStreamReader(file.getInputStream())) { CSVReader reader = new CSVReader(isr); String username = principal.getName(); return reader.readAll().stream().map(line -> { String reservationID = null; try { Validate.isTrue(line.length >= 2); reservationID = line[0]; eventManager.confirmPayment(eventName, reservationID, new BigDecimal(line[1]), username); return Triple.of(Boolean.TRUE, reservationID, ""); } catch (Exception e) { return Triple.of(Boolean.FALSE, Optional.ofNullable(reservationID).orElse(""), e.getMessage()); } }).collect(Collectors.toList()); } } @RequestMapping(value = "/events/{eventName}/categories/{categoryId}/tickets/{ticketId}/toggle-locking", method = PUT) public boolean toggleTicketLocking(@PathVariable("eventName") String eventName, @PathVariable("categoryId") int categoryId, @PathVariable("ticketId") int ticketId, Principal principal) { return eventManager.toggleTicketLocking(eventName, categoryId, ticketId, principal.getName()); } }