Lista 7 - Exercício 11

#include <stdio.h>
#include <string.h>
#define MAXWORD 50
#define AGENDASIZE 20

typedef struct Agenda {
    char AppName[MAXWORD],month[4],DayFlag[3];
    int day,year,hours,minutes;
}Appointment;


void MenuGen();                 //Gera menu de opções.
void ShowAgenda();              //Imprime em tela todos os compromissos.
void ShowAlteredAgenda();       //Imprime em tela todos os compromissos com horários no formato de 24h.
void ShowAgendaByDate();        //Exibe os compromissos de uma dara inserida pelo usuário.
void ShowAgendaQuant();         //Exige a quantidade de apontamentos de um mês.
int ConvertHour();              //Converte horas AM/PM para formato 24h.
void AgendaInsert();            //Insere novo compromisso.

int main() {

    int currentSize = 0,option;
    struct Agenda Appointments[AGENDASIZE];

    while (1) {
        system("cls");
        MenuGen();
        scanf("%d",&option);

        switch (option) {
            case 1:
                ShowAgenda(Appointments, currentSize); break;
            case 2:
                ShowAlteredAgenda(Appointments, currentSize); break;
            case 3:
                ShowAgendaByDate(Appointments, currentSize); break;
            case 4:
                ShowAgendaQuant(Appointments, currentSize); break;
            case 5:
                AgendaInsert(Appointments, currentSize); currentSize++; break;
            case 6:
                return;
            default :
                printf("Entrada invalida!\n\n");
        }
    }
    return 0;
}


void MenuGen() {
    printf("1 - Listar todos os compromissos:\n");
    printf("2 - Listar todos os compromissos em formato de hora 24h:\n");
    printf("3 - Exibir os compromissos de uma determinada data:\n");
    printf("4 - Exibir a quantidade de compromissos de um determinado mes:\n");
    printf("5 - Inserir novo compromisso :\n");
    printf("6 - Sair :\n");
    return;
}

void ShowAgenda (Appointment Appointments[], int currentSize) {
    int i;

    system("cls");
    for (i = 0; i < currentSize; i++)
    {
        printf("Descricao : %s\n",Appointments[i].AppName);
        printf("Data : %d-%s-%d, %d:%d %s\n\n",Appointments[i].day,Appointments[i].month,Appointments[i].year,Appointments[i].hours,Appointments[i].minutes,Appointments[i].DayFlag);
    }
    getch();
    return;
}

void ShowAlteredAgenda (Appointment Appointments[], int currentSize) {
    int i,token;

    system("cls");
    for (i = 0; i < currentSize; i++)
    {
        printf("Descricao : %s\n",Appointments[i].AppName);
        token = ConvertHour(Appointments[i].hours, Appointments[i].DayFlag);
        printf("Data : %d-%s-%d, %d:%d\n\n",Appointments[i].day,Appointments[i].month,Appointments[i].year,token,Appointments[i].minutes);
    }
    getch();
    return;
}

int ConvertHour (int hour, char flag[3]) {
    if (strcmp(flag,"AM") == 0)
        return hour;
    else if (hour < 12)
        return hour+12;
    else
        return 0;
}

void ShowAgendaByDate (Appointment Appointments[], int currentSize) {

    int i,flag = 0,day,year;
    char month[4];

    system("cls");
    printf("Entre com a data do compromisso : (Formato : dd/mmm/aaaa)\n");
    scanf("%d %s %d",&day,&month,&year);

    for (i = 0; i < currentSize; i++) {
        if (Appointments[i].day == day && Appointments[i].year == year && strcmp(month,Appointments[i].month) == 0) {
            printf("Apontamento : %s\n",Appointments[i].AppName);
            flag = 1;
        }
    }

    if (flag == 0)
        printf("Sem apontamentos para a data!\n");

    getch();
    return;
}

void ShowAgendaQuant (Appointment Appointments[], int currentSize) {

    int i, counter = 0;
    char month[4];

    system("cls");
    printf("Entre com a sigla do mes desejado :\n");
    fflush(stdin);
    gets(month);

    for (i = 0; i < currentSize; i++)
        if (strcmp(month,Appointments[i].month) == 0)
            counter++;

    printf("Existem %d compromissos para o mes inserido.\n",counter);
    getch();
    return;
}

void AgendaInsert (Appointment Appointments[], int currentSize) {

    system("cls");
    printf("Entre com o nome do apontamento :\n");
    fflush(stdin);
    gets(Appointments[currentSize].AppName);
    printf("Entre com o dia, mes (sigla de tres letras) e ano :\n");
    scanf("%d %s %d",&Appointments[currentSize].day,&Appointments[currentSize].month,&Appointments[currentSize].year);
    printf("Entre com a hora (formato 12 horas), minutos e o indicativo de horario (AM/PM)\n");
    scanf("%d %d %s",&Appointments[currentSize].hours,&Appointments[currentSize].minutes,&Appointments[currentSize].DayFlag);
    return;

}