bool DatabaseManager::deleteMoviesPath(PathForMovies moviesPath)
{
QList<Movie> l_movieList = getMoviesByPath(moviesPath);
foreach (Movie l_movie, l_movieList) {
if (!deleteMovie(l_movie))
{
return false;
}
}
QSqlQuery l_query(m_db);
l_query.prepare("DELETE FROM path_list WHERE movies_path LIKE :movies_path||'%'");
l_query.bindValue(":movies_path", moviesPath.path());
if(!l_query.exec())
{
Macaw::DEBUG("In removeMoviesPath(), deleting path:");
Macaw::DEBUG(l_query.lastError().text());
return false;
}
return true;
}
/**
* A little submenu to get the name of the movie to remove, then calls the
* deleteMovie function with the required parameters
* @param list The list to delete an item from
*/
void menuDeleteMovie(MovieNodeType **list) {
printf("Enter the name of the movie to remove:\n");
char title[MAX_STR];
fgets(title, MAX_STR, stdin);
title[strlen(title) - 1] = '\0';
deleteMovie(list, title);
}
/*
bool MovieTree::deleteMovie(std::string)
Description:
Deletes a movie from the tree.
Example:
MovieTree tree;
tree.deleteMovie("Back to the Future");
Precondition:
The ends of the tree are nil. Movies are organized in the red-black
tree correctly.
Postcondition:
Memory used by the movie is freed. The tree is rearranged as
necessary. Returns true if the movie is found.
*/
bool MovieTree::deleteMovie(std::string title)
{
Movie *m = searchTree(root, title);
if (m != nil) {
deleteMovie(m);
return true;
} else {
return false;
}
}
void HashTable::rentMovie(std::string title) {
int rentMovie_Counter = 0;
MovieNode *node = root;
while (node != NULL) {
if ((node-> title).compare(title) > 0) {
node = node-> leftChild;
}
else if ((node-> title).compare(title) < 0) {
node = node-> rightChild;
}
else {
if (node-> quantity > 0) {
node-> quantity = (node-> quantity) - 1;
std::cout << "Movie has been rented." << std::endl;
std::cout << "Movie Info:" << std::endl;
std::cout << "===========" << std::endl;
std::cout << "Ranking:" << node-> ranking << std::endl;
std::cout << "Title:" << node-> title << std::endl;
std::cout << "Year:" << node-> year << std::endl;
std::cout << "Quantity:" << node-> quantity << std::endl;
rentMovie_Counter++;
if (node-> quantity == 0) {
deleteMovie(node-> title);
}
break;
}
else {
std::cout << "Movie out of stock." << std::endl;
rentMovie_Counter++;
break;
}
}
}
if (rentMovie_Counter == 0) {
std::cout << "Movie not found." << std::endl;
}
}
MovieTree::~MovieTree()
{
deleteMovie(root);
}
