Question

Code in C++, use classes and comment on the code, please

Scenario

The users will be able to set the number of floors on the building, the number of offices on each floor, the rent of each office per month at the start of the program. They will be able to see the number of empty offices in total within the building and as well as the number of offices available per floor. They will also be able to exit the program if they wish to for exiting the program. The users will be able to add , modify , delete records for the building with certain commands which will be listed at the start of the program. The details of each office will be asked :

the name of the Office

A description of the office

monthly fee (setting the date of the first payment)

the yearly fee will be shown as well as the date of the next monthly payment.

Output of the Program- Do not forget to comment please

Hi welcome to the work Environment!!
------------------------------------
Enter the number of floors in the building: 3
Enter the number of offices per floor : 2
----------------------------------------- *Number of underscores should be equivalent to the total number of spaces the input + output values
Floor: 1
-----------
Would You like to occupy an office on floor: 1(number of offices available: 2) : Yes * The program should keep on going if the user input capslock or lowercase characters for (Yes)
-------------------------------------------------------------------------------------------
Enter a monthly fee: 2000
What is the name of the office: Orthodontist
Description of the office: Best Orthodontist on the market!!!
Set the first date of payment (dd/mm/yyyy): 12/13/2020 *The date is incorrect so asks for the date once again
Invalid date!
Re-type the date(dd/mm/yyyy): 12/12/2020
----------------------------------------
Would You like to occupy another office on floor: 1(number of offices available: 1) : No * Number of offices are decreased to 1
-----------------------------------------------------------------------------------------------------------------------------------
Moving onto floor: 2!!
----------------------
Would You like to occupy an office on floor: 2 (number of offices available: 2) : YES
--------------------------------------------------------------------------------------------
Enter a monthly fee: -5000
Re-Enter the monthly fee: 5000
What is the name of the office: 2
Re-Enter the office name: Sushi market
Description of the office: Nice Seafood : )
Set the first date of payment (dd/mm/2020): 04/02 * From the first date inputted it keeps track of the date
-----------------------------------------------------------------------------------------------------------
Would You like to occupy another office on floor: 2(number of offices available: 1) : YES
-------------------------------------------------------------------------------------------------
Enter a monthly fee: 4000
What is the name of the office: Burger King
Description of the office: We sell Burgers : )
Set the first date of payment (dd/mm/2020): 05/08
-------------------------------------------------
Moving onto floor: 3!!
----------------------
Would You like to occupy an office on floor: 3(number of offices available: 2) : No
-----------------------------------------------------------------------------------
Congrats!! you have completed the interface of the building!!
Use the following commands to make changes to the interface of the building:

building outline: -building
floor access: -floor[floornumber]
exit program: -exit

Go ahead Make changes!: -room
Unknown Comman Please Type a valid Command: -building
-----------------------------------------------------
Building Outline
----------------
1 office occupied on floor 1 : Orthodontist
2 offices occupied on floor 2 : Sushi market, Burger King
No office occupied on floor 3 :
--------------------------------------------------------
Any other changes [-building, -floor[floornumber], -exit]: -floor1
------------------------------------------------------------------
This is the outline of floor 1:

Number of offices occupied= 1

Number of offices empty= 1

Would you like to make any changes to floor 1: Yes

what would you like to do:
Add a office: -Add
Remove an office: -Remove
Change an office: -Change
Details: -Details
Your input: - Add
-----------------
Enter a monthly fee: 4200
What is the name of the office: Taco Bell
Description of the office: Tacos
Set the first date of payment (dd/mm/2020): 01/12
------------------------------------------------
Any other changes [-building, -floor[floornumber], -exit]: -building
--------------------------------------------------------------------
Building Outline
----------------
1 office occupied on floor 2 : Orthodontist,Taco bell
2 offices occupied on floor 2 : Sushi market, Burger King
No office occupied on floor 3 :
-------------------------------
Any other changes [-building, -floor[floornumber], -exit]: -floor1
--------------------------------------------------------------------
This is the outline of floor 1:

Number of offices occupied= 2

Number of offices empty= 0

Would you like to make any changes to floor 1: Yes

what would you like to do:
Add a office: -Add
Remove an office: -Remove
Change an office: -Change
Details: -Details
Your input: - Add
I am afraid we canniot do that the floor is full!
Your input: - Details
---------------------
These are the details about floor 1:
Number of offices that are occupied are 2

office 1- Orthodontist
Best Orthodontist on the market!!!
Monthly fee : 2000
Date of the next payment: 12/01/2021

office 2- Taco Bell
Tacos
Monthly fee : 4200
Date of the next payment: 01/01/2021
------------------------------------
Any other changes [-building, -floor[floornumber], -exit]: -floor1
------------------------------------------------------------------
This is the outline of floor 1:

Number of offices occupied= 2

Number of offices empty= 0

Would you like to make any changes to floor 1: Yes

what would you like to do:
Add a office: -Add
Remove an office: -Remove
Change an office: -Change
Details: -Details
Your input: -Change
-------------------
To which office would you like to make changes to 1 for Orthodontist,2 for Taco bell: 1
write [keep] to keep the original details...
Enter a monthly fee: 2500
What is the name of the office: Orthodontist!!!
Description of the office: keep
Set the first date of payment (dd/mm/yyyy): keep
------------------------------------------------
Any other changes [-building, -floor[floornumber], -exit]: -floor1
------------------------------------------------------------------
This is the outline of floor 1:

Number of offices occupied= 2

Number of offices empty= 0

Would you like to make any changes to floor 1: Yes

what would you like to do:
Add a office: -Add
Remove an office: -Remove
Change an office: -Change
Details: -Details
Your input: -Details
--------------------
These are the details about floor 1:
Number of offices that are occupied are 2

office 1- Orthodontist!!!
Best Orthodontist on the market!!!
Monthly fee : 2500
Date of the next payment: 12/01/2021

office 2- Taco Bell
Tacos
Monthly fee : 4200
Date of the next payment: 01/01/2021
------------------------------------
Any other changes [-building, -floor[floornumber], -exit]: -exit
----------------------------------------------------------------

Answer 1

#include<iostream>
#include<string>
using namespace std;

// Building class
class Building
{
   int no_of_floor;
   int no_of_offices;

   //structure to store data from each office on each floor
   struct Office
   {
       //these are the veraibles used to store related data for office or floor..
       int floor_no;//store floor number
       double monthly_fee;//monthly fee
       string Office_Name;
       string Description;
       string Payment_Date;
       int day, month, year;
       int count_office;
       Office *next;//to store address of next office or node by created linked list
       Office *back;//to get prevoiuse node
   };
   Office *Head;//head will be used to store the address of first node or office

public:
   //Constructor
   Building(int floors, int offices)//get total floors, and offices on each floor of building
   {
       this->no_of_floor = floors;
       this->no_of_offices = offices;
       Head=NULL;

   }

   //funtion to add office
   void Add_Office()
   {
       int count_floor = 1;
       int count_office = 1;
       int available_floor=0;
       int available_office=0;
      
       string choice;
       int check_first = 0;
       while (count_floor<=no_of_floor)
       {
           available_office = no_of_offices;
           while (available_office>0)
           {
again:
               cout << "\nFloor: " << count_floor;
               cout << "\nWould You like to occupy an office on floor: " << count_floor << "(number of offices available: " << available_office << ") ";
               cout<<"\nEnter Yes or No: ";
               cin >> choice;
               if (choice == "YES" || choice == "yes" || choice == "Yes")
               {
                   //by creating structure object we will access every attribute and store the data of each office
                   Office *node = new Office();
                   node->floor_no = count_floor;
                   node->count_office++;
                   cout << "\nEnter a monthly fee: ";
                   cin>>node->monthly_fee;
                   cout << "\nWhat is the name of the office: ";
                   cin >> node->Office_Name;
                   cout << "\nDescription of the office: ";
                   cin.ignore();
                   getline(cin, node->Description);
                   if (check_first == 0)
                   {
                       check_first++;
                       cout << "\nSet the first date of payment (dd/mm/yyyy)\nEnter Day: ";
                       cin >> node->day;
                       cout<<"\nEnter Month: ";
                       cin>> node->month;
                       cout<<"\nEnter Year: ";
                       cin >> node->year;
                   }
                   else
                   {
                  
                       cout << "\nSet the first date of payment (dd/mm/"<<node->year<<") \nEnter Day: ";
                           cin >> node->day;
                       cout<<"\nEnter Month: ";
                       cin>> node->month;
                       cout<<"\nEnter Year: ";
                       cin >> node->year;
                   }

                   while (node->day > 31 || node->month > 12)
                   {
                       cout << "\nInvalid date!";
                       cout << "\nRe-type the date(dd/mm/yyyy) \nEnter Day: ";
                       cin >> node->day;
                       cout<<"\nEnter Month: ";
                       cin>> node->month;
                       cout<<"\nEnter Year: ";
                       cin >> node->year;

                   }
                   node->next = NULL;
                   node->back = NULL;

                   if (Head == NULL)
                       Head = node;
                   else
                   {
                       Office *temp = Head;
                       while (temp->next != NULL)
                       {
                           temp = temp->next;

                       }
                       temp->next = node;
                       node->back = temp;
                   }

available_office--;
                  
                   cout << "\nWould You like to occupy another office on floor: " << count_floor<<"(number of offices available : "<<available_office<<") : ";
                   cin >> choice;
                   if (choice == "no" || choice == "NO" || choice == "No")
                       break;
              
                  
               }
               else if(choice=="no" || choice=="NO" || choice=="No")
               break;
               else
               {
              
               cout<<"\nInvalid Input!";
               goto again;
           }
              
           }
           count_floor++;
           cout << "\nMoving onto floor: " << count_floor << "!!";
       }

       Edit_Building();
      
   }

   //funtion to give access to user to edit or access offices on each floor
   void Edit_Building()
   {
       int first = 0;
       string choice,choice1;
       int i = 1;
       Office *node = Head;
       cout << "\nCongrats!! you have completed the interface of the building!!";
       cout << "\nUse the following commands to make changes to the interface of the building: ";
       cout << "\nbuilding outline:- building";
       cout << "\nfloor access:- floor[floornumber]";
       cout << "exit program:- exit";
       cout << "\nGo ahead Make changes!: ";
   menue:
       if (first != 0)
           cout << "\nAny other changes [-building, -floor[floornumber], -exit]:- ";
       cin >> choice1;
       first++;
       if (choice1 == "Building" || choice1 == "BUILDING" || choice1 == "building")
       {
           cout << "\nBuilding Outline";
           while (node!=NULL)
           {
               if (node->count_office == 1)
                   cout << node->count_office << " office occupied on floor " << node->floor_no << " : " << node->Office_Name;
               else if (node->count_office == 0)
                   cout << "No office occupied on floor " << node->floor_no << " :";
               else
               {
                   Office *temp = Head;
                   cout << node->count_office << " office occupied on floor " << node->floor_no << " : ";
                   while (temp != NULL)
                   {
                       if (temp->floor_no == node->floor_no)
                           cout << temp->Office_Name;
                       temp = temp->next;
                   }
               }
               node = node->next;
              
           }
           goto menue;
       }
       else if (choice1 == "floor" || choice1 == "Floor" || choice1 == "FLOOR")
       {
           int no;
           cout << "\nEnter Number of Floor: ";
           cin >> no;
           if (no > no_of_floor)
               cout << "\nFloor Not Exist!";
           else
           {
               Office *node = Head;
               cout << "\nThis is the outline of floor " << no;
               while (node != NULL)
               {
                   if (node->floor_no == no)
                   {

                       cout << "\nNumber of offices occupied= " << node->count_office;
                       cout << "\nNumber of offices empty= " << no_of_offices - node->count_office;
                       cout << "\nWould you like to make any changes to floor " << node->floor_no << ": ";
                       cin >> choice;
                       if (choice == "Yes" || choice == "yes" || choice == "YES")
                       {
                           cout << "\nwhat would you like to do: ";
                           cout << "\nAdd a office:- Add";
                           cout << "\nRemove an office:- Remove";
                           cout << "\nDetails:- Details";
                           cout << "\nYour input:- ";
                           cin >> choice;
                           if (choice == "Add" || choice == "add")
                           {
                               if (node->count_office < no_of_offices)
                               {

                                   Office *office = new Office();
                                   office->floor_no = node->floor_no;
                                   office->count_office++;
                                   cout << "\nEnter a monthly fee: ";
                                   cin >> office->monthly_fee;
                                   cout << "\nWhat is the name of the office: ";
                                   cin >> office->Office_Name;
                                   cout << "\nDescription of the office: ";
                                   getline(cin, office->Description);
                                   cout << "\nSet the first date of payment (dd/mm/" << office->year << ") ";
                                   cout<<"\nEnter Day: ";
                                       cin >> node->day;
                       cout<<"\nEnter Month: ";
                       cin>> node->month;
                       cout<<"\nEnter Year: ";
                       cin >> node->year;

                                   while (office->day > 31 || office->month > 12)
                                   {
                                       cout << "\nInvalid date!";
                                       cout << "\nRe-type the date(dd/mm/yyyy) ";
                                       cout<<"\nEnter Day: ";
                                       cin >> node->day;
                       cout<<"\nEnter Month: ";
                       cin>> node->month;
                       cout<<"\nEnter Year: ";
                       cin >> node->year;

                                   }
                                   office->next = NULL;
                                   office->back = NULL;

                                   if (Head == NULL)
                                       Head = node;
                                   else
                                   {
                                       Office *temp = Head;
                                       while (temp->next != NULL)
                                       {
                                           temp = temp->next;

                                       }
                                       temp->next = office;
                                       office->back = temp;
                                   }

                               }
                               else
                                   cout << "\nNo Available Space for Another Office!";
                           }
                           else if (choice == "Remove" || choice == "remove")
                           {
                               int found = 0;
                               Office *node = Head;
                               int no;
                               cout << "\nEnter Floor Number: ";
                               cin >> no;
                               while (node != NULL)
                               {
                                   if (node->floor_no == no)
                                   {
                                       if (node->next == NULL)
                                       {
                                           delete node;
                                           node = NULL;
                                       }
                                       else
                                       {
                                           node->back->next = node->next;
                                           delete node;
                                           node = NULL;
                                       }
                                       found++;
                                       break;
                                   }
                               }
                               if (found != 0)
                                   cout << "\nFloor " << node->floor_no << " is Deleted!";
                               else
                                   cout << "\nFloor not Found!!";
                           }
                           else if (choice == "Details" || choice == "details")
                           {
                               int found = 0;
                               Office *node = Head;
                               int no;
                               cout << "\nEnter Floor Number: ";
                               cin >> no;
                               cout << "\nThese are the details about floor " << no << ":";
                               while (node != NULL)
                               {
                                   if (node->floor_no == no)
                                   {
                                       int count = 1;
                                       cout << "\nNumber of offices that are occupied are " << node->count_office;
                                       Office *temp = Head;
                                       while (temp->next != NULL)
                                       {
                                           if (temp->floor_no == node->floor_no)
                                           {
                                               cout << "office " << count << "- " << temp->Office_Name << "!!!" << endl;
                                               cout << temp->Description << endl;
                                               cout << temp->monthly_fee << endl;
                                               cout << "Date of the next payment: " << temp->day << "/" << temp->month << "/" << temp->year;
                                               count++;
                                           }
                                           temp = temp->next;
                                       }

                                   }
                                   node = node->next;
                               }
                           }
                           else
                           {
                               cout << "\nInvalid Input!";
                           }
                       }
                   }
                   node = node->next;
               }

           }
           goto menue;
       }
       else if (choice1 == "Exit" || choice == "exit" || choice == "EXIT")
           return;
       else
       {

           cout << "\nUnknown Command Please Type a valid Command: ";
           goto menue;
       }

  
   }

};

int main()
{
  
   int no_of_floor;//veriable to store no of floors
   int no_of_offices;//to store number of offices

   cout << "\nHi welcome to the work Environment!!";
   cout << "\nEnter the number of floors in the building: ";
   cin >> no_of_floor;//get no of floors from user
   cout << "\nEnter the number of offices per floor : ";
   cin >> no_of_offices;//get no of offices

   Building object(no_of_floor, no_of_offices);//creat object of class Building to access funtions

   object.Add_Office();//call Add_Office funtion from Building Class

   return 0;
}

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