module.h

/*
    Date modified: 27/4/2013
    Last Time save: 23:50
    ||============Basic Information========================||
    ||============Author Information=======================||
    ||  Author Name: Trình Công Quang                    ||
    ||  ID: 12520344                                       ||
    ||  E-Mail:  [email protected]                     ||
    ||============Module Information=======================||
    ||                                                     ||
*/
#include "stdafx.h"

#define max 100
#define sgn '$'

using namespace std;

typedef struct dob//Save Date of birth
{
    string d;
    string m;
    string y;
};//==================================
typedef struct students//Save all information of a student
{
    string MSSV;
    dob date;
    string name;
    string class_name;
    string SDT;
    string nick_name;
};//=====================================================
typedef struct node
{
    students rec;
    node *next;
};
typedef struct list
{
    node *n_h;
    node *n_t;
};
void init_list(list &lst)//Initializate list
{
    lst.n_h=lst.n_t=NULL;
}//=========================================
node *init_node(students sv)
{
    node *nd;
    nd= new node;
    if(nd==NULL)
    {
        exit(1);
    }
    nd->rec=sv;
    nd->next=NULL;
}
node search(list lst, string mssv)//Search a node with variable is Student ID
{
    node *tmp_nd;
    tmp_nd=lst.n_h;
    while((tmp_nd!=NULL) && (tmp_nd->rec.MSSV!=mssv))
    {
        tmp_nd=tmp_nd->next;
    }
    return *tmp_nd;
}//=========================================================================
void add(list lst)//Add new student
{
    students sv;
    node *nd;
    nd=new node;
    if (nd==NULL) exit(1);
    cout<<"\nNhap thong tin sinh vien: ";
    cout<<"\nMa so sinh vien: "; cin>> sv.MSSV;
    cout<<"\nHo va ten: "; cin>> sv.name;
    cout<<"\nNgay/Thang/Nam sinh: "; cin>> sv.date.d>> sv.date.m>>sv.date.y;
    cout<<"\nLop: "; cin>> sv.class_name;
    cout<<"\nNick name: "; cin>> sv.nick_name;
    cout<<"\nSo dien thoai: "; cin>> sv.SDT;
    nd->rec=sv;
    nd->next=NULL;
    if(lst.n_h==NULL)
    {
        lst.n_h=nd;
        lst.n_t=nd;
    }
    else
    {
        lst.n_t->next=nd;
        lst.n_t=nd;
    }
}//================================================================
void add(list lst, students sv)//Add a student to list
{
    //students sv;
    node *nd;
    nd=new node;
    if (nd==NULL) exit(1);
    nd->rec=sv;
    nd->next=NULL;
    if(lst.n_h==NULL)
    {
        lst.n_h=nd;
        lst.n_t=nd;
    }
    else
    {
        lst.n_t->next=nd;
        lst.n_t=nd;
    }
}//================================================================
void add(list lst, string mssv, string name, string day, string month, string year, string class_name, string nick_name, string sdt)//Temp===========
{
    node *nd;
    students sv;
    nd=new node;
    sv.MSSV=mssv; sv.date.d=day; sv.date.m=month; sv.date.y=year; sv.class_name=class_name; sv.nick_name=nick_name; sv.SDT=sdt;
    nd->rec=sv;
    nd->next=NULL;
    if(lst.n_h=NULL)
    {
        lst.n_h=nd;
        lst.n_t=nd;
    }
    else
    {
        lst.n_t->next=nd;
        lst.n_t=nd;
    }
}
void del(list lst, students sv)//Delete a student at top of list
{
    node *nd;
    if(lst.n_h!=NULL)
    {
        nd=lst.n_h;
        sv=nd->rec;
        lst.n_h=lst.n_h->next;
        delete nd;
        if(lst.n_h==NULL)
        {
            lst.n_t=NULL;
        }
    }
    else
        cout<<"\nDanh sach rong, khong the xoa.";
}
void del_pos(list lst, node *pos, students sv)//Delete a student at a position
{
    node *nd;
    if(pos!=NULL)
    {
        nd=pos->next;
        if(nd!=NULL)
        {
            if(nd==lst.n_t)
            {
                lst.n_t=pos;
            }
            pos->next=nd->next;
            sv=nd->rec;
            delete nd;
        }
    }
    else cout<<"\nKhong duoc de trong vi tri!";
}
void del(list lst)//Delete All data in a list
{
    node *nd;
    while(lst.n_h!=NULL)
    {
        nd=lst.n_h;
        lst.n_h=nd->next;
        delete nd;
    }
}
void del(list lst, students sv, string mssv)//Delete a student with existed ID
{
    node *nd=lst.n_h, *tmp=NULL;
    if (nd==NULL)
    {
        cout<<"\nDanh sach rong, khong the xoa.";
    }
    else
    {
        if(&search(lst, mssv)==lst.n_h)
        {
            del(lst, sv);
        }
        else
        {
            del_pos(lst, &search(lst, mssv), sv);
        }
    }
}
//=====Update Information =========================
void up_mssv(list lst, string mssv, string new_val)
{
    node *nd;
    nd=&search(lst, mssv);
    nd->rec.MSSV=new_val;
}
void up_name(list lst, string mssv, string new_val)
{
    node *nd;
    nd=&search(lst, mssv);
    nd->rec.name=new_val;
}
void up_date(list lst, string mssv, string day, string month, string year)
{
    node *nd;
    nd=&search(lst, mssv);
    nd->rec.date.d=day;
    nd->rec.date.m=month;
    nd->rec.date.y=year;
}
void up_class(list lst, string mssv, string new_val)
{
    node *nd;
    nd=&search(lst, mssv);
    nd->rec.class_name=new_val;
}
void up_nick(list lst, string mssv, string new_val)
{
    node *nd;
    nd=&search(lst, mssv);
    nd->rec.nick_name=new_val;
}
void up_sdt(list lst, string mssv, string new_val)
{
    node *nd;
    nd=&search(lst, mssv);
    nd->rec.SDT=new_val;
}
void update_info(list lst, string mssv)
{
    node *nd;
    int m;
    string new_val;
    nd=&search(lst, mssv);
    if(nd!=NULL)
    {
        cout<<"\nBan muon cap nhat thong tin gi?";
        cout<<"\n1.Ma so sinh vien";
        cout<<"\n2.Ho va ten";
        cout<<"\n3.Ngay thang nam sinh";
        cout<<"\n4.Lop";
        cout<<"\n5.Nick name";
        cout<<"\n6.So dien thoai";
        cout<<"\nBan chon: "; cin>>m;
        switch(m)
        {
        case 1:{
                    cout<<"\nNhap vao ma so sinh vien moi: "; cin>>new_val;
                    up_mssv(lst,mssv, new_val);
               } break;
        case 2:{
                    cout<<"\nNhap Ten moi: "; cin>>new_val;
                    up_name(lst, mssv, new_val);
               } break;
        case 3:{
                    string m, y;
                    cout<<"\nNhap ngay thang nam sinh moi: "; cin>>new_val>>m>>y;
                    up_date(lst, mssv, new_val, m, y);
               } break;
        case 4:{
                    cout<<"\nNhap lop moi: "; cin>>new_val;
                    up_class(lst, mssv, new_val);
               } break;
        case 5:{
                    cout<<"\nNhap nick name moi: "; cin>>new_val;
                    up_nick(lst, mssv, new_val);
               } break;
        case 6:{
                    cout<<"\nNhap So dien thoai moi: "; cin>>new_val;
                    up_sdt(lst, mssv, new_val);
               } break;
        }
    }
    else
        cout<<"\nKhong tim thay sinh vien nay.";
}
//================================================

void load(string file_name, students sv[])//Load data to a array
{
    fstream fs;
    string tmp_str;
    fs.open(file_name, ios::in);
    if(fs.is_open())
    {
        int i=0;
        while((fs.good())&& (!fs.eof()))
        {
            getline(fs, tmp_str);
            istringstream tmp_info(tmp_str);
            getline(tmp_info, sv[i].MSSV, sgn);
            getline(tmp_info, sv[i].name, sgn);
            getline(tmp_info, sv[i].date.d, sgn);
            getline(tmp_info, sv[i].date.m, sgn);
            getline(tmp_info, sv[i].date.y, sgn);
            getline(tmp_info, sv[i].class_name, sgn);
            getline(tmp_info, sv[i].nick_name, sgn);
            getline(tmp_info, sv[i].SDT, sgn);
            cout<<"\n"<<sv[i].MSSV<<"\n"<<sv[i].name<<"\n"<<sv[i].date.d<<"/"<<sv[i].date.m<<"/"<<sv[i].date.y<<"\n"<<sv[i].class_name<<"\n"<<sv[i].nick_name<<"\n"<<sv[i].SDT<<"\n\n";
            i++;
        }
        fs.close();
    }
    else cout <<"Cant Open File";
}
void load(string file_name, list lst, students sv)//Load data to list
{
    fstream fs;
    string tmp_str;
    fs.open(file_name, ios::in);
    if(fs.is_open())
    {
        while((fs.good())&&(!fs.eof()))
        {
            getline(fs, tmp_str);
            istringstream tmp_info(tmp_str);
            getline(tmp_info, sv.MSSV, sgn);
            getline(tmp_info, sv.name, sgn);
            getline(tmp_info, sv.date.d, sgn);
            getline(tmp_info, sv.date.m, sgn);
            getline(tmp_info, sv.date.y, sgn);
            getline(tmp_info, sv.class_name, sgn);
            getline(tmp_info, sv.nick_name, sgn);
            getline(tmp_info, sv.SDT, sgn);
            add(lst, sv);
        }
        fs.close();
    }
    else
        cout<<"\nCan't Open this File: "<<file_name;
}
int count_of(students sv[])//Cal count of array
{
    int cnt=0;
    do{
        ++cnt;
    } while(sv[cnt].MSSV!="");
    return cnt;
}
void save(string file_name, students sv[])//save data from array to file
{
    fstream fs(file_name, ios::out);
    for(int i=0;i<count_of(sv);i++)
    {
        string tmp="";
        tmp=tmp+ sv[i].MSSV+ "$"+sv[i].name+"$"+sv[i].date.d+"$"+sv[i].date.m+"$"+sv[i].date.y+"$"+sv[i].class_name+"$"+sv[i].nick_name+"$"+sv[i].SDT+"\n";
        fs<<tmp;
    }
    fs.close();
}
void show(list lst)//Show a list
{
    node *nd;
    nd=lst.n_h;
    while(nd!=NULL)
    {
        cout<<"\n"<<nd->rec.MSSV<<"  "<<nd->rec.name;
        nd=nd->next;
    }
}