SophiaPretty

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About SophiaPretty

Levels Tought:
Elementary,Middle School,High School,College,University,PHD

Expertise:
Accounting,Algebra See all
Accounting,Algebra,Applied Sciences,Architecture and Design,Art & Design,Biology,Business & Finance,Calculus,Chemistry,Communications,Computer Science,Economics,Engineering,English,Environmental science,Essay writing Hide all
Teaching Since: Jul 2017
Last Sign in: 304 Weeks Ago, 5 Days Ago
Questions Answered: 15833
Tutorials Posted: 15827

Education

  • MBA,PHD, Juris Doctor
    Strayer,Devery,Harvard University
    Mar-1995 - Mar-2002

Experience

  • Manager Planning
    WalMart
    Mar-2001 - Feb-2009

Category > Computer Science Posted 05 Jan 2018 My Price 10.00

int readRecord(FILE *fp, struct Book *b2read);

i need to do this home part but cant do it.i completed the lab part can you help me with the home section?


  • /* Name: Monark patel
      Student number: 135845162
      Email: mypatel2@myseneca.ca
      Workshop: 9
      Section:IPC144 SOO in lab
      Date:03/31/2017
    */
    #include <stdio.h>
    #define MAX_TITLE_SIZE 20

    //Type the struct here
    struct Book {
        int _isbn;
        float _price;
        int _year;
        int _qty;
        char _title[MAX_TITLE_SIZE];
    };

    //Type the function prototypes here
    void menu();
    int readRecord(FILE *fp, struct Book *b2read);
    void displayInventory(const char filename[]);
    float calculateCapital(const char filename[]);
    int searchInventory(FILE *fp,const int isbn2find);
    void addBook(const char filename[], struct Book *b2Add);
    void checkPrice(const char filename[],const int isbn2find);

    int main()
    {
       //Type your code here:
        int choice;
       // FILE *pf;
        float capitalTotal;
    //    struct Book mybook;
        char filename[] = "144_w9_inventory.txt"; //Name of the file
        printf("Welcome to the Book Store\n");
        printf("=========================\n");
        do
        {
            menu(); // to call menu function for working on choices
            scanf("%d",&choice);
            switch(choice)
            {
                case 1:
                    displayInventory(filename); // call displayInventory function
                    break;
                case 2:
                    addBook(); // call addBook function
                    break;
                case 3:
                    checkPrice();
                    break;
                case 4:
                    capitalTotal = calculateCapital(filename);
                    printf("The total capital is: $%.2f.\n",capitalTotal);
                    break;
                case 0:// exit the program
                    printf("Goodbye!\n");
                    break;
                default:
                    printf("Invalid input, try again:\n");
                    break;
                }
           
        }while(choice != 0);
       
        return 0;
    }

    void menu()
    {
        //display options
        printf("Please select from the following options:\n");
        printf("1) Display the inventory.\n");
        printf("2) Add a book to the inventory.\n");
        printf("3) Check price.\n");
        printf("4) Calculate total capital of the store.\n");
        printf("0) Exit.\n");
        printf("\n");
        printf("Select: ");
    }



    void displayInventory(const char filename[])
    {
        //Define an object of struct Book
        struct Book book;
        int i = 0;
       
        //Open the file, and check for null pointer
        FILE *fp = fopen(filename,"r");
       
        //If the file is properly opened, display headers, similar to workshop 8
        if(fp!= NULL)
        {
        //Use a while loop to call readRecord and display the records.
            printf("\n\nInventory\n");
            printf("===================================================\n");
            printf("ISBN      Title               Year Price  Quantity\n");
            printf("---------+-------------------+----+-------+--------\n");
            for(i=0; i < 3; i++)
            {
                readRecord(fp,&book);/*call readRecord and check its return value*/
                printf("%-10.0d%-20s%-5d$%-8.2f%-8d\n",book._isbn, book._title, book._year, book._price, book._qty);
            }
            printf("===================================================\n\n");
        }
        //Display the footer
       
        //Close the file
        fclose(fp);
    }

    void addBook(const char filename[], struct Book *b2Add)
    {
        int m;
       
    }

    void checkPrice(const char filename[],const int isbn2find)
    {
       
     //Not implemented!

     
    }

    int searchInventory(FILE *fp,const int isbn2find)
    {
        int i;
        int j=-1;
        for(i=0;i<isbn2find)
        {
            if()
            {
                j=0;
                break;
            }
        }
        return j;
    }
    float calculateCapital(const char filename[])
    {
       
       
        //Define an object of struct Book
        struct Book book;
        int j = 0;
        //Define and initialize total_capital
        float total_capital=0;
       
        //Open the file, and check for null pointer
        FILE *fp = fopen(filename, "r");
       
        //If the file is properly opened, use a while loop to call readRecord
        if (fp != NULL)
        {
            for(j=0;j<3;j++)
            {
                readRecord(fp,&book);/*call readRecord and check its return value*/
                total_capital = total_capital + (book._price * book._qty);
                //Accumulate the multiplication of the price of each item to its quantity
            }
        }
        //Display the footer
          
        //Close the file
            fclose(fp);
        //return the total_capital
        return total_capital;
       
    }

    int readRecord(FILE *fp, struct Book *b2read){
        char r;
       
        fscanf(fp,"%d %c",&(*b2read)._isbn, &r);
        if(r==';')
        {
            fscanf(fp,"%f %c", &(*b2read)._price, &r);
        }
        if(r==';')
        {
            fscanf(fp,"%d %c",&(*b2read)._year, &r);
        }
        if(r==';')
        {
            fscanf(fp,"%d %c",&(*b2read)._qty, &r);
        }
        if(r==';')
        {
            fscanf(fp,"%[^\n]",(*b2read)._title);
        }
        return 0;
    }    

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Answers

SophiaPretty
(5)
Status NEW Posted 05 Jan 2018 09:01 AM My Price 10.00

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