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RedBlackTreeDatabase.h
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RedBlackTreeDatabase.h
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#pragma once
#include <vector>
#include "Product.h"
using namespace std;
// Node struct, color set to red by default
struct TreeNode {
Product* key;
TreeNode* parent;
TreeNode* left = nullptr;
TreeNode* right = nullptr;
bool color = 1;
TreeNode(Product* key, TreeNode* parent) {
this->key = key;
this->parent = parent;
}
};
// Tree/Database class
// Deletion is not needed because of how our project is structured, selling an item doesn't "delete" it
class RedBlackTreeDatabase {
TreeNode* root;
public:
RedBlackTreeDatabase();
void buy(int id, int q, float c);
bool sell(int id, int q, float c);
bool printItem(int id);
void printItemHelper(Product* current);
void printSalesReport();
void printSalesReportHelper(TreeNode* current, vector<float>& v);
TreeNode* find(int id);
void saveSpreadsheet(string filename);
bool loadSpreadsheet(string filename);
void saveSpreadsheetHelper(TreeNode* current, vector<TreeNode*>& nodes);
void rotateLeft(TreeNode* r);
void rotateRight(TreeNode* r);
};