Cpp Project :COMPUTER SHOP MANAGEMNET SYSTEM

Cpp Project :COMPUTER SHOP MANAGEMNET SYSTEM

//     COMPUTER SHOP MANAGEMNET SYSTEM

//**********************************************/

#include<iostream>

#include<stdio.h>

#include<string.h>

#include<stdlib.h>

#include<fstream>

using namespace std;

 class store

  {

  public:

      int quantity;

      float price;

      char item[50],ch;

    public:

       void add_new(char*);

       void show(char*);

       void del_item(char*);

       void search(char*);

     };

   void store::add_new(char fname[20])

   {

      int p;

      float t;

      do

      {

      FILE *fp;

      fp=fopen(fname,"a");

      cout<<"Product Name:";

      gets(item);

      cin.get(item,50);

      cout<<"Price:";

      cin>>price;

      cout<<"Quantity:";

      cin>>quantity;

      t=price*quantity;

      fprintf(fp,"%s \t\t\t%0.2fTK \t \t%d\t\t  %0.2fTK\n",item,price,quantity,t);

      fclose(fp);

      system("cls");

      cout<<"\nTo add another item press 1 and to stop press 0 !\n";

      cin>>p;

      }

      while(p!=0);

   }

    void store::show(char fname[20])

     {

        cout<<"----------------------------------------------------------------------\n";

        cout<<"NAME\t\t\tPRICE\t\tQUANTITY\tTOTAL AMOUNT"<<endl;

        cout<<"----------------------------------------------------------------------\n\n";

        fstream fp;

        fp.open(fname,ios::in);

        while(fp)

        {

        fp.get(ch);

        cout<<ch;

        }

        cout<<"----------------------------------------------------------------------\n\n";

     }

     void store:: del_item(char fname[20])

     {

         int k;

         do

        {

        FILE *fp;

        char temp[5000],del[100],m[5000];

        int d,i,j=0,n=0,u=0;

        printf("Enter the item name you want to delete!\n");

        gets(del);

        cin.get(del,100);

        fp=fopen(fname,"r");

        for(d=0; del[d]!='\0'; d++)

        {

        }

        fp=fopen(fname,"r");

        while(fgets(temp, 5000, fp) != NULL)

        {

            if((strstr(temp, del)) != NULL)

            {

                u++;

            }

            else

            {

                for(i=0; temp[i]!='\0'; i++)

                {

                    m[j]=temp[i];

                    j++;

                }

            }

        }

        fclose(fp);

        fp=fopen(fname,"w");

        for(n=0; n<j; n++)

        {

            if(m[n]==1)

            {

                fprintf(fp,"\n");

            }

            else

            {

                fprintf(fp,"%c",m[n]);

            }

        }

        cout<<"\nProduct has been successfully deleted from the list!\n";

        if(u==0)

            {

                system("cls");

                cout<<"\nSorry,there is no item like this to delete.\nTry again!\n";

            }

        fclose(fp);

        printf("\nTo delete another item then press 1 and to stop press 0 !\n");

        cin>>k;

        }

        while(k!=0);

     }

    void store::search(char fname[20])

    {

        FILE *fp;

        char search[100],temp[5000];

        int m,n;

        do

        {

            fp=fopen(fname,"r");

            n=0;

            printf("Enter the item name you want to search!\n");

            gets(search);

            cin.get(search,100);

            system("cls");

            while(fgets(temp, 5000,fp)!=NULL)

            {

                if(strstr(temp,search)!=NULL)

                {

                    cout<<"Your search result:\n\n";

                    cout<<"----------------------------------------------------------------------\n";

                    cout<<"NAME\t\t\tPRICE\t\tQUANTITY\tTOTAL AMOUNT"<<endl;

                    cout<<"----------------------------------------------------------------------\n\n";

                    printf("%s\n",temp);

                    n++;

                }

            }

            if(n==0)

            {

                printf("\nSorry there is no item called '%s' in the list.\nTry again!\n\n",search);

            }

            printf("To search another item then press 1 and to stop press 0 !\n");

            cin>>m;

        }

        while(m!=0);

    }

  int main()

  {

     char m[15],n[10]=".txt";

     cout<<"Please enter your file name?"<<endl;

     cin>>m;

     strcat(m,n);

     FILE *fp;

     fp=fopen(m,"a");

     fclose(fp);

     system("cls");

     store obj;

     int x;

     system("color fc");

    do{

       cout<<endl<<"****************************************************"<<endl;;

       cout<<"\n\tCOMPUTER SHOP MANAGEMNET SYSTEM\n";

       cout<<endl<<"****************************************************"<<endl;

       cout<<"\nENTER YOUR CHOICE:\n";

       cout<<"\n1. SELL A PRODUCT:";

       cout<<"\n2. SHOW ALL SOLD PRODUCTS:";

       cout<<"\n3. DELETE A PRODUCT:";

       cout<<"\n4. SEARCH A PRODUCT:";

       cout<<"\n5. QUIT\n";

      cin>>x;

    switch(x)

    {

        case 1: obj.add_new(m);

            break;

        case 2:obj.show(m);

            break;

        case 3: obj.del_item(m);

            break;

        case 4: obj.search(m);

            break;

        case 5: break;

    }

    }

    while(x!=5);

    return 0;

    }