70 lines
1.9 KiB
Java
Executable File
70 lines
1.9 KiB
Java
Executable File
package com.plannaplan.services;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Objects;
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import java.util.Optional;
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import java.util.stream.Collectors;
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import com.plannaplan.entities.Groups;
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import com.plannaplan.repositories.GroupRepository;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Service;
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@Service
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public class GroupService {
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@Autowired
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private GroupRepository repo;
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public GroupService() {
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}
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public Optional<Groups> find(int time, int capacity, String room) {
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return this.repo.find(time, room, capacity);
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}
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public List<Groups> getGroupsByCourse(Long id) {
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return this.repo.getByCourse(id);
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}
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public Groups save(Groups group) {
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return this.repo.save(group);
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}
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public void delete(Groups groups) {
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this.repo.delete(groups);
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}
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public int getGroupsAmmount() {
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return (int) this.repo.count();
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}
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public Optional<Groups> getGroupById(Long id) {
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return this.repo.findById(id);
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}
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public Optional<Long> findNotExistingGroup(List<Long> ids) {
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for (Long oneId : ids) {
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if (this.repo.existsById(oneId) == false) {
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return Optional.of(oneId);
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}
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}
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return Optional.empty();
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}
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public HashMap<Groups, Integer> getTakenPlaces(List<Groups> groups) {
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HashMap<Groups, Integer> respoonse = new HashMap<>();
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// groups.forEach(group -> {
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// final Long id = group.getId();
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// final Integer ammount =
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// this.repo.getAssignedAmount(id).orElse(Integer.valueOf(0)).intValue();
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// respoonse.put(group, ammount);
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// });
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List<Object[]> respoonse2 = this.repo.getAssignedAmounts(
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groups.stream().filter(Objects::nonNull).map(Groups::getId).collect(Collectors.toList()));
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return respoonse;
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}
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} |