Hotel Management System

Given the data for Hotel management and User:

Hotel Data:

Hotel Name     Room Available     Location     Rating      Price per Room
H1                4               Bangalore      5           100
H2                5               Bangalore      5           200
H3                6               Mumbai         3           100

User Data:

User Name         UserID             Booking Cost
U1                 2                  1000
U2                 3                  1200
U3                 4                  1100

The task is to answer the following question.

  1. Print the hotel data.
  2. Sort hotels by Name.
  3. Sort Hotel by highest rating.
  4. Print Hotel data for Bangalore Location.
  5. Sort hotels by maximum number of rooms Available.
  6. Print user Booking data.

Machine coding round involves solving a design problem in a matter of a couple of hours.
It requires designing and coding a clean, modular and extensible solution based on a specific set of requirements.



Approach:

  • Create classes for Hotel data and User data.
  • Initialize variables that stores Hotel data and User data.
  • Create Objects for Hotel and user classes that access the Hotel data and User data.
  • initialize two vector array that holds the hotel data and and user data.
  • solve the Above questions one by one.

Below is the implementation of the above approach.

C++

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// C++ program to solve
// the given question
  
#include <algorithm>
#include <iostream>
#include <string>
#include <vector>
  
using namespace std;
  
// Create class for hotel data.
class Hotel {
public:
    string name;
    int roomAvl;
    string location;
    int rating;
    int pricePr;
};
  
// Create class for user data.
class User : public Hotel {
public:
    string uname;
    int uId;
    int cost;
};
  
// Function to Sort Hotels by
// Bangalore location
bool sortByBan(Hotel& A, Hotel& B)
{
    return A.name > B.name;
}
  
// Function to sort hotels
// by rating.
bool sortByr(Hotel& A, Hotel& B)
{
    return A.rating > B.rating;
}
  
// Function to sort hotels
// by rooms availability.
bool sortByRoomAvalable(Hotel& A,
                        Hotel& B)
{
    return A.roomAvl < B.roomAvl;
}
  
// Print hotels data.
void PrintHotelData(vector<Hotel> hotels)
{
    cout << "PRINT HOTELS DATA:" << endl;
    cout << "HotelName"
         << "   "
         << "Room Avalable"
         << "    "
         << "Location"
         << "    "
         << "Rating"
         << "    "
         << "PricePer Room:" << endl;
  
    for (int i = 0; i < 3; i++) {
        cout << hotels[i].name
             << "          "
             << hotels[i].roomAvl
             << "              "
             << hotels[i].location
             << "       "
             << hotels[i].rating
             << "            "
             << hotels[i].pricePr
             << endl;
    }
    cout << endl;
}
  
// Sort Hotels data by name.
void SortHotelByName(vector<Hotel> hotels)
{
    cout << "SORT BY NAME:" << endl;
  
    std::sort(hotels.begin(), hotels.end(),
              sortByBan);
  
    for (int i = 0; i < hotels.size(); i++) {
        cout << hotels[i].name << " "
             << hotels[i].roomAvl << " "
             << hotels[i].location << " "
             << hotels[i].rating << " "
             << " " << hotels[i].pricePr
             << endl;
    }
    cout << endl;
}
  
// Sort Hotels by rating
void SortHotelByRating(vector<Hotel> hotels)
{
    cout << "SORT BY A RATING:" << endl;
  
    std::sort(hotels.begin(),
              hotels.end(), sortByr);
  
    for (int i = 0; i < hotels.size(); i++) {
        cout << hotels[i].name << " "
             << hotels[i].roomAvl << " "
             << hotels[i].location << " "
             << hotels[i].rating << " "
             << " " << hotels[i].pricePr
             << endl;
    }
    cout << endl;
}
  
// Print Hotels for any city Location.
void PrintHotelBycity(string s,
                      vector<Hotel> hotels)
{
    cout << "HOTELS FOR " << s
         << " LOCATION IS:"
         << endl;
    for (int i = 0; i < hotels.size(); i++) {
  
        if (hotels[i].location == s) {
  
            cout << hotels[i].name << " "
                 << hotels[i].roomAvl << " "
                 << hotels[i].location << " "
                 << hotels[i].rating << " "
                 << " " << hotels[i].pricePr
                 << endl;
        }
    }
    cout << endl;
}
  
// Sort hotels by room Available.
void SortByRoomAvailable(vector<Hotel> hotels)
{
    cout << "SORT BY ROOM AVAILABLE:" << endl;
  
    std::sort(hotels.begin(), hotels.end(),
              sortByRoomAvalable);
  
    for (int i = hotels.size() - 1; i >= 0; i--) {
  
        cout << hotels[i].name << " "
             << hotels[i].roomAvl << " "
             << hotels[i].location << " "
             << hotels[i].rating << " "
             << " " << hotels[i].pricePr
             << endl;
    }
    cout << endl;
}
  
// Print the user's data
void PrintUserData(string userName[],
                   int userId[],
                   int bookingCost[],
                   vector<Hotel> hotels)
{
  
    vector<User> user;
    User u;
  
    // Access user data.
    for (int i = 0; i < 3; i++) {
        u.uname = userName[i];
        u.uId = userId[i];
        u.cost = bookingCost[i];
        user.push_back(u);
    }
  
    // Print User data.
    cout << "PRINT USER BOOKING DATA:"
         << endl;
    cout << "UserName"
         << " "
         << "UserID"
         << " "
         << "HotelName"
         << " "
         << "BookingCost" << endl;
  
    for (int i = 0; i < user.size(); i++) {
        cout << user[i].uname
             << "         "
             << user[i].uId
             << "        "
             << hotels[i].name
             << "         "
             << user[i].cost
             << endl;
    }
}
  
// Functiont to solve
// Hotel Management problem
void HotelManagement(string userName[],
                     int userId[],
                     string hotelName[],
                     int bookingCost[],
                     int rooms[],
                     string locations[],
                     int ratings[],
                     int prices[])
{
    // Initialize arrays that stores
    // hotel data and user data
    vector<Hotel> hotels;
  
    // Create Objects for
    // hotel and user.
    Hotel h;
  
    // Initialise the data
    for (int i = 0; i < 3; i++) {
        h.name = hotelName[i];
        h.roomAvl = rooms[i];
        h.location = locations[i];
        h.rating = ratings[i];
        h.pricePr = prices[i];
        hotels.push_back(h);
    }
    cout << endl;
  
    // Call the various operations
    PrintHotelData(hotels);
    SortHotelByName(hotels);
    SortHotelByRating(hotels);
    PrintHotelBycity("Bangalore",
                     hotels);
    SortByRoomAvailable(hotels);
    PrintUserData(userName,
                  userId,
                  bookingCost,
                  hotels);
}
  
// Driver Code.
int main()
{
  
    // Initialize variables to stores
    // hotels data and user data.
    string userName[] = { "U1", "U2", "U3" };
    int userId[] = { 2, 3, 4 };
    string hotelName[] = { "H1", "H2", "H3" };
    int bookingCost[] = { 1000, 1200, 1100 };
    int rooms[] = { 4, 5, 6 };
    string locations[] = { "Bangalore",
                           "Bangalore",
                           "Mumbai" };
    int ratings[] = { 5, 5, 3 };
    int prices[] = { 100, 200, 100 };
  
    // Function to perform operations
    HotelManagement(userName, userId,
                    hotelName, bookingCost,
                    rooms, locations,
                    ratings, prices);
  
    return 0;
}

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Output:

PRINT HOTELS DATA:
HotelName   Room Avalable    Location    Rating    PricePer Room:
H1          4              Bangalore       5            100
H2          5              Bangalore       5            200
H3          6              Mumbai          3            100

SORT BY NAME:
H3 6 Mumbai 3  100
H2 5 Bangalore 5  200
H1 4 Bangalore 5  100

SORT BY A RATING:
H1 4 Bangalore 5  100
H2 5 Bangalore 5  200
H3 6 Mumbai 3  100

HOTELS FOR Bangalore LOCATION IS:
H1 4 Bangalore 5  100
H2 5 Bangalore 5  200

SORT BY ROOM AVAILABLE:
H3 6 Mumbai 3  100
H2 5 Bangalore 5  200
H1 4 Bangalore 5  100

PRINT USER BOOKING DATA:
UserName UserID HotelName BookingCost
U1         2        H1         1000
U2         3        H2         1200
U3         4        H3         1100

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