CS301P Assignment 1 Solution Fall 23 by Getready | CS301p Assignment 1 Solution File

 CS301P Assignment 1 Solution Fall 23 by Getready | CS301p Assignment 1 Solution File 






CS301p


#include<iostream>

using namespace std;

class Node{

string name;

int id;

int quantity;

double price;

Node* next;

public:

string getName()const;

int getId()const;

int getQuantity()const;

double getPrice()const;

Node* getNext()const;

void setName(string);

void setId(int);

void setQuantity(int);

void setPrice(double);

void setNext(Node*);

};

void Node::setNext(Node* next){

this->next = next;

}

void Node::setName(string name){

this->name = name;

}

void Node::setId(int id){

this->id = id;

}

void Node::setQuantity(int quantity){

this->quantity = quantity;

}

void Node::setPrice(double price){

this->price = price;

}

Node* Node::getNext()const{

return this->next;

}

string Node::getName()const{

return this->name;

}

int Node::getId()const{

return this->id;

}






int Node::getQuantity()const{

return this->quantity;

}

double Node::getPrice()const{

return this->price;

}

class Inventory{

Node* head;

public:

Inventory();

void addProduct(string name,int id,int quantity,double price);

void removeProduct(int);

void updateProduct(int,int,double);

void displayInventory()const;

};

Inventory::Inventory(){

head = NULL;

}

void Inventory::updateProduct(int id,int quantity,double price){

Node* newNode = head;

while(newNode != NULL){

if(newNode->getId() == id){

newNode->setQuantity(quantity);

newNode->setPrice(price);

cout<<"Product updated in inventory"<<endl;

return;

}

newNode = newNode->getNext();

}

}



void Inventory::addProduct(string name,int id,int quantity,double price){

    Node* newNode =  new Node;

    newNode->setName(name);

    newNode->setId(id);

    newNode->setQuantity(quantity);

    newNode->setPrice(price);

    newNode->setNext(NULL);


    if (head == NULL) {

        head = newNode;

    } else {

        Node* last = head;

        while (last->getNext() != NULL) {

            last = last->getNext();

        }

        last->setNext(newNode);

    }


    cout << "Product Add SuccessFully" << endl;

}




void Inventory::removeProduct(int id) {

    if (head == NULL) {

        cout << "Inventory is Empty!" << endl;

        return;

    }


    if (head->getId() == id) {

        Node* temp = head;

        head = head->getNext();

        delete temp;

        cout << "Product Removed from inventory" << endl;

        return;

    }


    Node* newNode = head;

    while (newNode->getNext() != NULL) {

        if (newNode->getNext()->getId() == id) {

            Node* temp = newNode->getNext();

            newNode->setNext(newNode->getNext()->getNext());

            delete temp;

            cout << "Product Removed from inventory" << endl;

            return;

        }

        newNode = newNode->getNext();

    }


    cout << "Product not found in inventory" << endl;

}

void show(){

cout<<"Inventory: "<<endl

<<"______________________________"<<endl

<<"|  Name  | ID  | Quantity | Price |"<<endl

<<"______________________________"<<endl;

}

void Inventory::displayInventory()const{

if(head == NULL){

cout<<"Inventory is Empty!";

return;

}

show();

Node* newNode = head;

while(newNode != NULL){

cout<<"|\t"<<newNode->getName()<<"|";

cout<<"\t"<<newNode->getId()<<"|";

cout<<"\t"<<"$"<<newNode->getPrice()<<"|\n";

newNode = newNode->getNext();

}

cout<<"__________________________________"<<endl;

}

int main(){

Inventory inv;

int choice,id,quantity,products;

string name;

double price;

do{

cout<<"Plz choose an action: "<<endl

<<"1. Add Product\n"

<<"2. Remove Product\n"

<<"3. Update Product\n"

<<"4. Display Inventory\n"

<<"0. Exit\n";

cout<<"Enter Your Choice: ";

cin>>choice;

switch(choice){

case 1:

cout<<"How many Products do you want to add?";

cin>>products;

for(int i=0; i<products; i++){

cout<<"Enter Product Name: ";

cin.ignore();

getline(cin,name);

cout<<"Enter productID: ";

cin>>id;

cout<<"Enter Product Quantity: ";

cin>>quantity;

cout<<"Enter Product Price: ";

cin>>price;

inv.addProduct(name,id,quantity,price);

}

break;





                case 2:

cout<<"Enter productID to remove: ";

cin>>id;

inv.removeProduct(id);

break;

case 3:

cout<<"Enter productID to update: ";

cin>>id;

cout<<"Enter new quantity: ";

cin>>quantity;

cout<<"Enter new Price: ";

cin>>price;

inv.updateProduct(id,quantity,price);

break;

case 4:

inv.displayInventory();

break;

case 0:

cout<<"Exiting Program!";

break;

}

cout<<endl;

}while(choice != 0);

return 0;

}



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