task_5/task_5_1/menu.c - master - Roman-git/Eltex_tasks

task_5/task_5_1/menu.c
170 строк4 KB
Roman_git
task_5
04 дек 2024, 11:40
04 дек 2024, 11:40d3c5c10
#include "menu.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>



void Read_file_phonebook()
{
    PB = malloc((n+1)*sizeof(struct phonebook));
    file = fopen("phonebook.txt", "r");
    if (file == NULL)
    {
        printf("\nPhonebook is not found\n");
        system("touch phonebook.txt");
        file = fopen("phonebook.txt", "r");
        printf("Phonebook is created and open\n");
    }
    else printf("\nPhonebook is open\n");

    do
    {
        n++;
        PB = realloc(PB, (n+1)*sizeof(struct phonebook));
    }while(fscanf(file, "%s%s%s", PB[n].name, PB[n].second_name, PB[n].tel)  != EOF);

    fclose(file);

    strcpy(PB->name, "Name");
    strcpy(PB->second_name, "Second_name");
    strcpy(PB->tel ,"Tel");
}
//////////////////////////////////////////////////////////////////////////////////////////

void print_menu()
{
    printf("\n1. Add the subscriber \n2. Remove the subscriber "); 
    printf("\n3. Search of the subscriber by name  \n4. Display all records \n5. Save \n6. Exit\n\n");
}
//////////////////////////////////////////////////////////////////////////////////////////

int input_menu()
{
    int temp;
    printf("Enter point menu: ");
    scanf("%d", &temp);
    return temp;
}
//////////////////////////////////////////////////////////////////////////////////////////

void Add_sub()
{
    if (n > 100)
    {
       printf("\nThe directory is full\n");
    }
    else
    {
       printf("\nAdd the subscriber: \n");
       n++;
       PB = realloc(PB, (n)*sizeof(struct phonebook));
       printf("\nName: ");
       scanf("%s", PB[n-1].name);
       printf("Second_name: ");
       scanf("%s", PB[n-1].second_name);
       printf("Tel: ");
       scanf("%s", PB[n-1].tel);
    }

}

//////////////////////////////////////////////////////////////////////////////////////////

void Remove_sub()
{
    //PB = realloc(PB, (n+1)*sizeof(struct phonebook));
    
    int count_name_remove = 0;
    char remove_name[10];

    printf("\nName remove: ");
    scanf("%s", remove_name);
                 
    for (int i=1; i < n; i++)
    {
        if (strcmp (PB[i].name, remove_name)==0)
        {
            strcpy(temp_PB.name, PB[i].name);
            strcpy(temp_PB.second_name,PB[i].second_name);
            strcpy(temp_PB.tel , PB[i].tel);
              
            strcpy(PB[i].name, PB[i+1].name);
            strcpy(PB[i].second_name,PB[i+1].second_name);
            strcpy(PB[i].tel , PB[i+1].tel);

            strcpy(PB[i+1].name, temp_PB.name);
            strcpy(PB[i+1].second_name,temp_PB.second_name);
            strcpy(PB[i+1].tel , temp_PB.tel);

            count_name_remove++;
        }
    }

    if (count_name_remove == 0)
    {
        printf("\nSubscriber is absent\n");
    }
    else 
    {
        
        //memset(PB[n].name, 0, 10);
        //memset(PB[n].second_name, 0, 10);
        //memset(PB[n].tel, 0, 10);
        n--;
        PB = realloc(PB, (n)*sizeof(struct phonebook));
    }  
}

//////////////////////////////////////////////////////////////////////////////////////////

void Display_sub()
{
    printf("\nAll subscribers:\n\n");
    for (int i=0; i < n; i++)
    {
        printf("%s %s %s\r\n", PB[i].name, PB[i].second_name, PB[i].tel);
    }  
}
//////////////////////////////////////////////////////////////////////////////////////////


void Search_sub()
{
    printf("\nSearch of the subscriber by name\n");

    int count_name_search = 0;
    char search_name[10];
    int count = 0;

    scanf("%s", search_name);

    for (int i=0; i <= n; i++)
    {
        if (strcmp (PB[i].name, search_name)==0)
           {count++;
            printf("%s %s %s\n", PB[i].name, PB[i].second_name, PB[i].tel);
           }
        else 
            count_name_search = count_name_search + count;
    }

    if (count_name_search == 0)
    printf("\nSubscriber is absent\n");
}

//////////////////////////////////////////////////////////////////////////////////////////

void Save_file_phonebook()
{
    printf("\nSave phonebook\n");
    file = fopen("phonebook.txt", "w");


    for (int i=1; i < n; i++)
    {
        fprintf(file, "%s  %s  %s\n", PB[i].name, PB[i].second_name, PB[i].tel);
    }
    fclose(file);
}
//////////////////////////////////////////////////////////////////////////////////////////