Getting error - (Return type of out-of-line definition of 'Product--Ge (1).pdf

Getting error : (Return type of out-of-line definition of 'Product::GetProductCondition' differs
from that in the declaration)
Please help to show correct code in product file that will compile and build successfully.
all code below and files
Main.cpp
#include <iostream>
#include <time.h>
#include "InventorySystem.hpp"
#include <iostream>
#include "Product.hpp"
#include <time.h>
#include <stdlib.h>
using namespace std;
int main() {
srand(time( NULL ));
Inventory_System *h1 = nullptr ;
h1 = new Inventory_System("Radioshack", 117);
h1->BuildInventory();
h1->ShowInventory();
h1->ShowDefectInventory();
h1->Terminate();
delete h1;
return 0;

};
InventorySystem.cpp
#include "InventorySystem.hpp"
#include "InventoryItem.hpp"
#include <iostream>
#include <fstream>
#include <sstream>
Inventory_System::Inventory_System() {
}
Inventory_System::Inventory_System(std::string name, int id) :
store_name(name),
store_id(id) {
}
Inventory_System::~Inventory_System() {
for ( int i = 0; i < item_count; i++) {
delete ptr_inv_item[i];
}
}
int Inventory_System::GetStoreId(){
return store_id;
}
int Inventory_System::GetItemCount(){

return item_count;
}
std::string Inventory_System::GetStoreName(){
return store_name;
}
void Inventory_System::BuildInventory() {
std::ifstream file("products_test.txt", std::ios::in);
std::string name, quantity, price, condition;
Inventory_Item *item;
if (!file) {
std::cerr << "Error: Failed to open filen";
exit(-1);
}
else {
while (!file.eof()) {
item = new Product();
Product *product = static_cast <Product*> (item);
std::getline(file, name, ';');
product->SetItemName(name);
std::getline(file, quantity, ';');
product->SetItemQuantity(stoi(quantity));
std::getline(file, price, ';');
product->SetProductPrice(stold(price));

std::getline(file, condition, 'n');
switch (condition[0]) {
case 'D':
product->SetProductCondition(PC_DEFECTIVE);
break ;
case 'N':
product->SetProductCondition(PC_NEW);
break ;
case 'R':
product->SetProductCondition(PC_REFURBISHED);
break ;
case 'U':
product->SetProductCondition(PC_USED);
break ;
default :
product->SetProductCondition(PC_NEW);
break ;
}
product->SetProductId(rand() % 10000);
ptr_inv_item[item_count] = product;
item_count++;
}
}

}
void Inventory_System::ShowInventory() {
Product *temp = static_cast <Product*> (ptr_inv_item[i]);
temp->Display();
}
}
void Inventory_System::ShowDefectInventory() {
if (temp->GetProductCondition() == PC_DEFECTIVE) {
temp->Display();
}
}
}
void Inventory_System::Terminate() {
std::ofstream file;
std::stringstream ss;
file.open("example.txt");
file << temp->GetItemName() << ";"
<< temp->GetItemQuantity() << ";"

<< temp->GetProductPrice() << ";";
switch (temp->GetProductCondition()) {
case PC_DEFECTIVE:
file << "Dn";
break ;
case PC_NEW:
file << "Nn";
break ;
case PC_REFURBISHED:
file << "Rn";
break ;
case PC_USED:
file << "Un";
break ;
default :
file << "Dn";
break ;
}
}
}
InventorySystem.h
#ifndef InventorySystem_hpp
#define InventorySystem_hpp

#include <stdio.h>
#include <string>
class Inventory_System {
public :
Inventory_System();
Inventory_System(std::string, int );
~Inventory_System();
int GetStoreId();
int GetItemCount();
std::string GetStoreName();
void BuildInventory();
void ShowInventory();
void ShowDefectInventory();
void Terminate();
private :
std::string store_name;
int store_id, item_count = 0;
Inventory_Item **ptr_inv_item = new Inventory_Item*[512];
};
#endif /* InventorySystem_hpp */
InventoryItem.cpp

#include <iostream>
Inventory_Item::Inventory_Item(){
}
Inventory_Item::Inventory_Item(std::string name, int quantity) :
item_name(name),
item_quantity(quantity) {
}
Inventory_Item::~Inventory_Item() {
std::cout << "Inventory Item " << item_name << " with " << item_quantity << " item(s)
destroyed.n";
}
std::string Inventory_Item::GetItemName() const {
return item_name;
}
int Inventory_Item::GetItemQuantity() const {
return item_quantity;
}
void Inventory_Item::SetItemName(std::string name) {
item_name = name;
}
void Inventory_Item::SetItemQuantity( int quantity) {
item_quantity = quantity;
}

void Inventory_Item::Display() const {
std::cout << item_name << " (" << item_quantity << ") ";
}
InventoryItem.h
#ifndef InventoryItem_hpp
#define InventoryItem_hpp
#include <stdio.h>
#include <string>
class Inventory_Item {
public :
Inventory_Item();
Inventory_Item(std::string name, int quantity);
~Inventory_Item();
std::string GetItemName() const ;
int GetItemQuantity() const ;
void SetItemName(std::string);
void SetItemQuantity( int );
virtual void Display() const ;
protected :
std::string item_name;
int item_quantity;
private :
};

#endif /* InventoryItem_hpp */
Product.cpp
#include <iostream>
#include <string>
Product::Product() {
}
Product::~Product() {
}
void Product::SetProductPrice( double price) {
product_price = price;
}
double Product::GetProductPrice() const {
return product_price;
}
void Product::SetProductCondition(ProductCondition condition) {
product_condition = condition;
}
ProductCondition Product::GetProductCondition() const {
return product_condition;
}
void Product::SetProductId( int id) {
product_id = id;

}
int Product::GetProductId() const {
return product_id;
}
void Product::Display() const {
Inventory_Item::Display();
std::cout << "Condition: " << GetProductCondition() << " Price: $" << GetProductPrice() << "
ID: " << GetProductId() << std::endl;
}
std::string Product::GetProductCondition() const {
switch (GetProductCondition()) {
case PC_NEW:
return "New";
case PC_REFURBISHED:
return "Refurbished";
case PC_USED:
return "Used";
case PC_DEFECTIVE:
return "Defective";
default :
return "Unknown";
}
}
Product.h

#ifndef Product_hpp
#define Product_hpp
#include <stdio.h>
#include <string>
typedef enum { PC_NEW, PC_USED, PC_REFURBISHED, PC_DEFECTIVE } T_Condition;
class Product : public Inventory_Item {
public :
Product();
Product(std::string, int );
~Product();
int GetProductId() const ;
double GetProductPrice() const ;
T_Condition GetProductCondition() const ;
void SetProductId( int );
void SetProductPrice( double );
void SetProductCondition(T_Condition);
virtual void Display() const ;
private :
T_Condition condition_;
int product_id;
double product_price;

Getting error - (Return type of out-of-line definition of 'Product--Ge (1).pdf

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