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package com.ufund.api.ufundapi.service;
import java.io.IOException;
import java.util.Arrays;
import com.ufund.api.ufundapi.model.Need;
import com.ufund.api.ufundapi.persistence.CupboardDAO;
import org.springframework.stereotype.Component;
@Component
public class CupboardService {
private final CupboardDAO cupboardDAO;
public class DuplicateKeyException extends Exception {
public DuplicateKeyException(String message) {
super(message);
}
}
public CupboardService(CupboardDAO cupboardDAO) {
this.cupboardDAO = cupboardDAO;
}
public Need createNeed(String name, int maxGoal, Need.GoalType goalType) throws IOException, DuplicateKeyException {
Need need = new Need(name, goalType, maxGoal);
if (need.getMaxGoal() <= 0) {
throw new IllegalArgumentException("Max Goal must be greater than zero");
} else {
for (Need searchNeed : cupboardDAO.getNeeds()) {
if (need.getName().equalsIgnoreCase(searchNeed.getName())) {
throw new DuplicateKeyException("Duplicate names are not allowed");
}
}
return cupboardDAO.addNeed(need);
}
}
public Need[] getNeeds() throws IOException {
return cupboardDAO.getNeeds();
}
/**
* Returns an array of needs filtered by a search
*
* @param search The search substring
* @return The requested array
* @throws IOException
*/
public Need[] searchNeeds(String search) throws IOException {
return Arrays.stream(cupboardDAO.getNeeds())
.filter(i -> i.getName().toLowerCase().contains(search.toLowerCase()))
.toArray(Need[]::new);
}
/**
* Gets a need with the specified ID
*
* @param id the ID of the need
* @return The resulting Need or null if the need was not found
*/
public Need getNeed(int id) throws IOException {
return cupboardDAO.getNeed(id);
}
/**
* Modify a need
*
* @param need
* @return
* @throws IOException Thrown if there was an issue saving the changes
*/
public Need updateNeed(Need need) throws IOException {
return cupboardDAO.updateNeed(need);
}
/**
* Delete a need from the cupboard
*
* @param id the ID of the need
* @return True if the need was deleted
* @throws IOException Thrown on any problem removing the need
*/
public boolean deleteNeed(int id) throws IOException {
return cupboardDAO.deleteNeed(id);
}
}
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