2021-01-06 13:40:04 +01:00
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package com.plannaplan.services;
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2021-01-13 12:23:00 +01:00
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import java.sql.Timestamp;
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import java.util.ArrayList;
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import java.util.Comparator;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Optional;
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import java.util.Set;
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import java.util.TreeSet;
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import java.util.stream.Collectors;
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import com.plannaplan.entities.Assignment;
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import com.plannaplan.entities.Commision;
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import com.plannaplan.entities.Exchange;
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import com.plannaplan.entities.Groups;
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import com.plannaplan.entities.User;
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import com.plannaplan.models.MatchData;
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import com.plannaplan.repositories.ExchangeRepository;
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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 ExchangeService {
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@Autowired
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private ExchangeRepository repo;
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@Autowired
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private AssignmentService assignmentService;
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@Autowired
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private UserService userService;
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/**
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* @param exchange Instance to save in database
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* @return Exchange Instance contains database id
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*/
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public Exchange save(Exchange exchange) {
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return this.repo.save(exchange);
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}
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/**
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* @param id Id of exchange in database
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* @return Optional Exchange if found
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*/
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public Optional<Exchange> getById(Long id) {
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return this.repo.findById(id);
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}
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2021-01-12 18:39:22 +01:00
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public List<Exchange> getAllExchanges() {
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return this.repo.findAll();
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}
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/**
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* @param id Id of user
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* @return List of exchanges that belong to user
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*/
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public List<Exchange> getByUserId(Long id) {
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return this.repo.getByUserId(id);
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}
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/**
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* @param entity Exchange entity which we would like to delete
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*/
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public void deleteExchange(Exchange entity) {
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this.repo.delete(entity);
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}
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/**
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* @param assignment Assignment to trade for
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* @param group Desired group
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* @return Optional with Exchange if exist
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*/
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public Optional<Exchange> checkForExchange(Assignment assignment, Groups group) {
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return this.repo.checkForExchange(assignment, group);
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}
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public void performExchange() {
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final Set<MatchData> matchData = this.getMatches();
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final List<Long> performedAssignmentExchanges = new ArrayList<>();
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matchData.forEach( m -> {
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final Assignment assignmentOne = m.getAssignmentOne();
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final Assignment assignmentTwo = m.getAssignmentTwo();
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if (!(performedAssignmentExchanges.contains(assignmentOne.getId()) || performedAssignmentExchanges.contains(assignmentTwo.getId()))){
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final Commision commisionOne = assignmentOne.getCommision();
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final User userOne = commisionOne.getCommisionOwner();
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final Commision commisionTwo = assignmentTwo.getCommision();
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final User userTwo = commisionTwo.getCommisionOwner();
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assignmentOne.setCommision(commisionTwo);
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assignmentTwo.setCommision(commisionOne);
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userOne.removeGroup(assignmentOne.getGroup().getId());
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userTwo.removeGroup(assignmentTwo.getGroup().getId());
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userOne.claimGroup(assignmentTwo.getGroup());
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userTwo.claimGroup(assignmentOne.getGroup());
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this.assignmentService.save(assignmentOne);
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this.assignmentService.save(assignmentTwo);
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this.userService.save(userOne);
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this.userService.save(userTwo);
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performedAssignmentExchanges.add(assignmentOne.getId());
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performedAssignmentExchanges.add(assignmentTwo.getId());
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}
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this.deleteExchange(m.getExchangeOne());
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this.deleteExchange(m.getExchangeTwo());
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});
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}
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public Set<MatchData> getMatches(){
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final List<MatchData> matches = this.repo.getMatches().stream().map(m -> {
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final Exchange exchangeOne = (Exchange) m[0];
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final Exchange exchangeTwo = (Exchange) m[1];
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return new MatchData(exchangeOne, exchangeTwo);
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}).collect(Collectors.toList());
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Set<MatchData> filterMatches = new TreeSet<>((m1, m2) -> m1.compare(m2));
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filterMatches.addAll(matches);
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return filterMatches;
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}
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}
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