/**
* Goes through all the Areas a user has subscribed to and creates a list of contents published in
* those areas, ordered by their modification times.
*
* @param person the person whose subscriptions will be used
* @return list of the content in chronological order
*/
public List<Content> createListOfSubscribedContents(Person person) {
List<Content> newList = new ArrayList<>();
// Builds new list without duplicates
person
.getSubscriptions()
.stream()
.forEach(
(area) -> {
area.getElements()
.stream()
.filter((content) -> (!newList.contains(content)))
.forEach(
(content) -> {
newList.add((Content) content);
});
});
// sorts new list to chronological order. Newest first.
newList.sort(
(Content x, Content y) -> {
return y.getModifyTime().compareTo(x.getModifyTime());
});
return newList;
}
/**
* 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;
}
/**
* 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;
}