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package edu.ncsu.csc.itrust.action;
import edu.ncsu.csc.itrust.action.base.EditEntryAction;
import edu.ncsu.csc.itrust.beans.EntryBean;
import edu.ncsu.csc.itrust.beans.ExerciseEntryBean;
import edu.ncsu.csc.itrust.dao.DAOFactory;
import edu.ncsu.csc.itrust.dao.mysql.ExerciseEntryDAO;
import edu.ncsu.csc.itrust.exception.DBException;
import edu.ncsu.csc.itrust.exception.FormValidationException;
import edu.ncsu.csc.itrust.exception.ITrustException;
import edu.ncsu.csc.itrust.validate.ExerciseEntryValidator;
/**
* EditExerciseEntryAction.java
* Version 1
* 4/5/2105
* Copyright notice: none
* Responsible for editing a exercise entry from a patient's
* Exercise Diary.
*/
public class EditExerciseEntryAction implements EditEntryAction {
private ExerciseEntryDAO exerciseDAO;
private long loggedInMID;
private ExerciseEntryValidator exerciseValidator;
/**
* Uses the factory to instantiate the ExerciseEntryDAO
* @param factory which DAOFactory to use
* @param loggedInMID who is currently logged in
*/
public EditExerciseEntryAction(DAOFactory factory, long loggedInMID) {
exerciseDAO = new ExerciseEntryDAO(factory);
this.loggedInMID = loggedInMID;
exerciseValidator = new ExerciseEntryValidator();
}
/**
* Edits the exercise entry of a patient. It first checks to make sure that the
* patient has the ability to edit this exercise entry because it belongs to
* him. Patients should only be able to edit entries that belong to them.
* @param exerciseEntry the bean to be updated
* @return the number of rows updated (0 means nothing happened,
* -1 means the logged in user cannot edit this exercise entry, and
* anything else is the number of rows updated which should never
* exceed 1)
* @throws ITrustException
*/
public int editEntry(EntryBean entry)
throws ITrustException, FormValidationException {
ExerciseEntryBean exerciseEntry = (ExerciseEntryBean) entry;
int numUpdated;
if (exerciseEntry.getPatientID() != loggedInMID) {
numUpdated = -1; //this user does not "own" this exercise entry
} else {
try {
//try to validate it
exerciseValidator.validate(exerciseEntry);
numUpdated = exerciseDAO.updateExerciseEntry(
exerciseEntry.getEntryID(), loggedInMID, exerciseEntry);
} catch (DBException d) {
throw new ITrustException("Error updating entry from "
+ "Exercise Diary");
}
}
return numUpdated;
}
}