56 lines
1.6 KiB
Java
56 lines
1.6 KiB
Java
package mops.gruppen2.service;
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import mops.gruppen2.domain.EventDTO;
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import mops.gruppen2.domain.Exceptions.EventException;
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import mops.gruppen2.domain.Group;
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import mops.gruppen2.domain.event.Event;
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import mops.gruppen2.repository.EventRepository;
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import org.springframework.stereotype.Service;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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@Service
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public class GroupService {
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private final EventService eventService;
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private final EventRepository eventRepository;
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public GroupService(EventService eventService, EventRepository eventRepository) {
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this.eventService = eventService;
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this.eventRepository = eventRepository;
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}
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public List<Event> getGroupEvents(List<Long> group_ids) {
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List<EventDTO> eventDTOS = new ArrayList<>();
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List<Event> events = new ArrayList<>();
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for (Long group_id: group_ids) {
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eventDTOS.addAll(eventRepository.findEventDTOByGroup_id(group_id));
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}
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return events = eventService.translateEventDTOs(eventDTOS);
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}
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public List<Group> projectEventList(List<Event> events) throws EventException {
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Map<Long, Group> groupMap = new HashMap<>();
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for (Event event : events) {
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getOrCreateGroup(groupMap, event.getGroup_id()).applyEvent(event);
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}
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return new ArrayList<>(groupMap.values());
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}
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//
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private Group getOrCreateGroup(Map<Long, Group> groups, long group_id) {
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if (!groups.containsKey(group_id)) {
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groups.put(group_id, new Group());
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}
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return groups.get(group_id);
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}
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}
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