int edit_teacher(char *database, int index, teacher *xteacher){
FILE *fp;
int n, i;
char file[64], temp_file[64];
strcpy(file, "Database/");
strcat(file, database);
strcat(file, "_teacher");
strcpy(temp_file, "Database/");
strcat(temp_file, ".");
strcat(temp_file, database);
strcat(temp_file, "_teacher");
fp = fopen(temp_file,"a");
n = teacher_number(database);
teacher yteacher;
for(i = 0; i < n; i++) {
yteacher = get_teacher(database, n-1);
if(i!=index)
fprintf(fp,"%d %d %s\n",yteacher.index,yteacher.week_time, yteacher.name);
else
fprintf(fp,"%d %d %s\n",xteacher->index,xteacher->week_time, xteacher->name);
}
remove(file);
rename(temp_file,file);
fclose(fp);
return 0;
}
int show_teacher_info(char *database, int choice) {
int c;
teacher xteacher;
xteacher = get_teacher(database,choice);
refresh();
noecho();
curs_set(0);
WINDOW *win;
int y,x;
start_color();
getmaxyx(stdscr,y,x);
win = newwin(0, 0, 0, 0);
init_pair(1, COLOR_RED, COLOR_BLACK);
box(win, 0, 0);
print_in_middle(win, y/4 + 1, 0, x, "Info", COLOR_PAIR(1));
mvwhline(win, y/4, x/4, ACS_HLINE, x/2);
mvwhline(win, y/4 + 2, x/4, ACS_HLINE, x/2);
mvwhline(win, y/2, x/4, ACS_HLINE, x/2);
mvwvline(win, y/4 + 1, x/4 , ACS_VLINE, y/4 - 1);
mvwaddch(win, y/4, x/4 , ACS_ULCORNER);
mvwaddch(win, y/2, x/4 , ACS_LLCORNER);
mvwaddch(win, y/4, 3*x/4 , ACS_URCORNER);
mvwaddch(win, y/2, 3*x/4 , ACS_LRCORNER);
mvwvline(win, y/4 + 1, 3*x/4, ACS_VLINE, y/4 - 1);
mvwaddch(win, y/4 + 2, 3*x/4 , ACS_RTEE);
mvwaddch(win, y/4 + 2, x/4 , ACS_LTEE);
wrefresh(win);
mvwaddch(win, y - 3, 0, ACS_LTEE);
mvwhline(win, y - 3, 1, ACS_HLINE, x - 2);
mvwaddch(win, y - 3, x - 1, ACS_RTEE);
move(y/4 + 3,x/3 + 2);
printw("Name - %s",xteacher.name);
move(y/4 + 5,x/3 + 2);
printw("Max Weekly Hours - %d",xteacher.week_time);
mvwprintw(win,y - 2, 2,"A:Add Allocation\tB:Back\tQ:Quit");
refresh();
while((c = wgetch(win))){
switch(c) {
case KEY_DOWN:
case KEY_UP:
return 0;
case 'B':
case 'b':
curs_set(1);
return 1;
case 'Q':
case 'q':
curs_set(1);
return INT_MIN;
case 'A':
case 'a':
return 2;
default:
break;
}
wrefresh(win);
}
curs_set(1);
return 0;
}
int remove_teacher(char *database, int index){
FILE *fp;
int n, i;
char file[64],temp_file[64];
n = teacher_number(database);
teacher xteacher;
strcpy(temp_file, "Database/");
strcat(temp_file, ".");
strcat(temp_file, database);
strcat(temp_file, "_teacher");
strcpy(file, "Database/");
strcat(file, database);
strcat(file, "_teacher");
fp = fopen(temp_file,"w");
for(i = 0; i < n; i++) {
if(i != index) {
xteacher = get_teacher(database, i);
fprintf(fp,"%d %d %s\n",xteacher.index,xteacher.week_time, xteacher.name);
}
}
remove(file);
rename(temp_file,file);
fclose(fp);
return 0;
}
void readAssignmnet(assignment_node *assignmentList, teacher_node *teacherList, course_node *courseList, char *s)
{
int teacher_number;
int course_number;
if (sscanf(s, "A %d %d", &teacher_number, &course_number) > 0){
teacher *myTeacher = get_teacher(teacher_number, teacherList);
course *myCourse = get_course(course_number, courseList);
assignment *newAssignment = create_assignment(myTeacher, myCourse);
add_assignment(assignmentList, newAssignment);
}
}
void print_course_for_teacher(assignment_node *assignmentList, teacher_node *teacherList, int teacher_number)
{
teacher *myTeacher = get_teacher(123457, teacherList);
if (myTeacher == NULL)
{
printf("teacher number %d: isn't in the database\n", teacher_number);
}
printf("Courses for teacher number %d:\n", teacher_number);
course_node *teacherCourses = get_teacher_courses(assignmentList, myTeacher);
print_courses(teacherCourses);
}
int add_teacher(char *database, teacher *xteacher) {
FILE *fp;
int n;
char file[64];
n = teacher_number(database);
if(n) {
teacher yteacher;
yteacher = get_teacher(database, n-1);
xteacher -> index = yteacher.index + 1;
}
else
xteacher->index = 0;
strcpy(file, "Database/");
strcat(file, database);
strcat(file, "_teacher");
fp = fopen(file,"a");
fprintf(fp,"%d %d %s\n",xteacher->index,xteacher->week_time,xteacher->name);
fclose(fp);
return 0;
}
int assign_teacher(assignment_node *assignmentList, teacher_node *teacherList, course_node *courseList, int teacher_number, int course_number)
{
teacher *myTeacher = get_teacher(teacher_number, teacherList);
if (myTeacher == NULL)
{
//student doesn't exist
printf("Teacher doesn't exist\n");
return 0;
}
course *myCourse = get_course(course_number, courseList);
if (myCourse == NULL)
{
//course doesn't exist
printf("Course doesn't exist\n");
return 0;
}
assignment *myAssignment = create_assignment(myTeacher, myCourse);
add_enrollment(assignmentList, myAssignment);
return 1;
}
int teacher_menu(char *database){
int i, c, n, choice = 0;
teacher *xteacher;
WINDOW *win;
ITEM **items;
MENU *menu;
n = teacher_number(database);
start_color();
cbreak();
noecho();
keypad(stdscr, TRUE);
xteacher = (teacher *)malloc(sizeof(teacher) * (n + 1));
items = (ITEM **)calloc(n + 3, sizeof(ITEM *));
for(i = 0; i < n; ++i) {
xteacher[i] = get_teacher(database,i);
items[i] = new_item(xteacher[i].name, NULL);
}
menu = new_menu((ITEM **)items);
win = newwin(0, 0, 0, 0);
int y,x;
getmaxyx(win,y,x);
keypad(win, TRUE);
set_menu_win(menu, win);
set_menu_sub(menu, derwin(win, y - 5, 38, 5, 0.4*x));
set_menu_format(menu,x - 4, 1);
set_menu_mark(menu, " * ");
set_menu_spacing(menu, 0, 2, 0);
box(win, 0, 0);
print_in_middle(win, 1, 0, x, "Teachers" , COLOR_PAIR(1));
mvwaddch(win, 2, 0, ACS_LTEE);
mvwhline(win, 2, 1, ACS_HLINE, x - 2);
mvwaddch(win, 2, x - 1, ACS_RTEE);
mvwaddch(win, y - 3, 0, ACS_LTEE);
mvwhline(win, y - 3, 1, ACS_HLINE, x - 2);
mvwaddch(win, y - 3, x - 1, ACS_RTEE);
refresh();
if(n) {
if(n > 1)
mvwprintw(win,y - 2, 2,"N:New Teacher\t\tR:Remove Teacher\tS:Sort\t\tB:Back\tQ:Quit");
else
mvwprintw(win,y - 2, 2,"N:New Teacher\t\tR:Remove Teacher\tB:Back\tQ:Quit");
for(i = 0; i < choice; i++)
menu_driver(menu, REQ_DOWN_ITEM);
post_menu(menu);
wrefresh(win);
while((c = wgetch(win))){
switch(c) {
case KEY_DOWN:
menu_driver(menu, REQ_DOWN_ITEM);
if(choice != n -1)
choice++;
break;
case KEY_UP:
menu_driver(menu, REQ_UP_ITEM);
if(choice != 0)
choice--;
break;
case 10: /* Enter */
remove_menu(menu,items,n);
return choice;
case 'R':
case 'r':
remove_teacher(database, choice);
remove_menu(menu,items,n);
return -1;
case 'B':
case 'b':
remove_menu(menu,items,n);
return n + 1;
case 'N':
case 'n':
remove_menu(menu,items,n);
return n + 2;
case 'Q':
case 'q':
remove_menu(menu,items,n);
return INT_MIN;
default:
break;
}
wrefresh(win);
}
}
else {
mvwprintw(win,y - 2, 2,"N:New Teacher\t\tB:Back\t\tQ:Quit");
mvwprintw(win,5,3*x/7,"No Teachers found :(\n");
wrefresh(win);
curs_set(0);
while((c = wgetch(win)))
{
switch(c) {
case 'n':
case 'N':
remove_menu(menu,items,n);
curs_set(1);
return n+2;
case 'b':
case 'B':
remove_menu(menu,items,n);
curs_set(1);
return n+1;
case 'Q':
case 'q':
remove_menu(menu,items,n);
curs_set(1);
return INT_MIN;
default:
break;
}
wrefresh(win);
}
}
free(xteacher);
return -1;
}
