/**
* Deletes an Area if the currently logged in user is the owner of the Area.
*
* @param areaid which area will be deleted
* @param whoIsLoggedIn to check who is logged in
* @return true if deletion was successful, false if not
*/
public boolean deleteArea(Long areaid, Person whoIsLoggedIn) {
if (areaRepository.exists(areaid)) {
Area area = areaRepository.findOne(areaid);
if (area.getOwner().getId() == whoIsLoggedIn.getId()) {
if (findAreaById(areaid).getElements().isEmpty()) {
areaRepository.delete(areaid);
return true;
}
}
return false;
}
return false;
}
/**
* Saves an Area to the database.
*
* @param area the Area to be saved
* @return true if Area was successfully saved, false otherwise
*/
public boolean saveArea(Area area) {
if ((area != null) && (findAreaByName(area.getName()) == null)) {
areaRepository.save(area);
return true;
}
return false;
}
/**
* Updates an Area's attributes if the currently logged in user is the owner of the Area.
*
* @param areaId which area will be updated
* @param name areas new name
* @param visibility areas new visibility
* @param whoIsLogged to check who is logged in
* @return true if update was successful, false if not
*/
public boolean updateArea(Long areaId, String name, boolean visibility, Person whoIsLogged) {
Area area = findAreaById(areaId);
if (whoIsLogged.getId() == area.getOwner().getId()) {
area.setName(name);
area.setVisibility(visibility);
areaRepository.save(area);
return true;
}
return false;
}
public Area findAreaByName(String name) {
return areaRepository.findByName(name);
}
public Area findAreaById(Long id) {
return areaRepository.findOne(id);
}
public List<Area> findAllPublicAreas() {
return areaRepository.findByVisibilityTrue();
}
public List<Area> findAllAreas() {
return areaRepository.findAll();
}
/**
* Deletes an Area subscription from a Person.
*
* @param person person whose subscription will be deleted
* @param area which area will be un-subscribed
*/
public void deleteSubcriptions(Person person, Area area) {
List<Person> subscribers = area.getSubscribers();
subscribers.remove(person);
area.setSubscribers(subscribers);
areaRepository.save(area);
}
/**
* Returns a list of the Areas that a Person owns.
*
* @param person whose areas will be found
* @return list of Areas
*/
public List<Area> findAreasByOwner(Person person) {
return areaRepository.findByOwner(person);
}
/**
* Deletes all Areas from the repository.
*
* @return true if Area repository is now empty, false if not
*/
public boolean deleteAllAreas() {
areaRepository.deleteAll();
return findAllAreas().isEmpty();
}
/**
* Goes through the list of areas that an element has a database connection to, and removes any
* connections from the areas to the element -- but not from the element to the areas.
*
* @param element on which connections will be removed
*/
public void deleteElementFromAreas(Element element) {
for (Area area : element.getAreas()) {
area.deleteElement(element);
areaRepository.save(area);
}
}
/**
* Goes through the list of areas that an element has a database connection to, and makes sure the
* areas also have a connection to the element.
*
* @param element the element that connections will be checked on
*/
public void saveContentToAreas(Element element) {
for (Area area : element.getAreas()) {
area.addElement(element);
areaRepository.save(area);
}
}