void AddCourseUD::Window_Open(Win::Event& e) { this->Text=L"Add new coourse"; wstring cmd; Sql::SqlConnection conn; try { Sys::Format(cmd, L"SELECT program_id, descr"); conn.OpenSession(DSN,USERNAME,PASSWORD); conn.ExecuteSelect(L"SELECT program_id, career_name FROM program",100, ddCareer); conn.ExecuteSelect(L"SELECT classroom_id, descr FROM classroom",100,ddClassroom); conn.ExecuteSelect(L" SELECT classtime_id, CONVERT(varchar(15),begin_time,100) + ' - ' + CONVERT(varchar(15),end_time,100) FROM classtime ", 100, ddClasstime); conn.CloseSession(); } catch (Sql::SqlException e) { this->MessageBox(e.GetDescription(), L"Error", MB_OK | MB_ICONERROR); } ddClassdays.Items.Add(L"Lun-Mie-Vie"); ddClassdays.Items.Add(L"Mar-Jue"); if(isEditing==1) { editingCourse(); } else { ddClassdays.SelectedIndex=0; ddCareer.SelectedIndex=0; ddClassroom.SelectedIndex=0; ddClasstime.SelectedIndex=0; loadByCareer(); } }
void AddCourseUD::loadByCareer(void) { int program=ddCareer.GetSelectedData(); Sql::SqlConnection conn; wstring cmd; ddCourse.Items.DeleteAll(); ddProfessor.Items.DeleteAll(); int dept; Sys::Format(cmd,L"SELECT c.course_id, c.descr\ FROM course c, prog_course pg, program p\ WHERE c.course_id=pg.course_id\ AND pg.program_id=p.program_id\ AND p.program_id=%d", program); try { conn.OpenSession(DSN,USERNAME,PASSWORD); conn.ExecuteSelect(cmd, 100, ddCourse); Sys::Format(cmd,L"SELECT department_id FROM program WHERE program_id=%d",program); dept=conn.GetInt(cmd); if(dept!=1) { Sys::Format(cmd,L"SELECT p.professor_id, p.last_name_p+' '+p.last_name_m+', '+p.name\ FROM professor p, department d, program pg\ WHERE p.department_id=d.department_id AND pg.department_id=d.department_id AND pg.program_id=%d\ ORDER BY p.last_name_p",program); } else { Sys::Format(cmd,L"SELECT p.professor_id, p.last_name_p+' '+p.last_name_m+', '+p.name\ FROM professor p ORDER BY p.last_name_p"); } conn.ExecuteSelect(cmd, 100, ddProfessor); conn.CloseSession(); }
void AddCourseUD::btAccept_Click(Win::Event& e) { if(isEditing!=1) { int course_id=ddCourse.GetSelectedData(); int professor_id=ddProfessor.GetSelectedData(); int classroom_id=ddClassroom.GetSelectedData(); int week_id=ddClassdays.GetSelectedIndex()+1; int classtime_id=ddClasstime.GetSelectedData(); if(course_id>1 || professor_id>1 || classroom_id>1 || week_id >1 || classtime_id >1) { this->MessageBox(L"You haven't selected all the required data", L"Error", MB_OK | MB_ICONERROR); return; } wstring cmd; char group='A'; Sql::SqlConnection conn; int no_groups; try { conn.OpenSession(DSN, USERNAME, PASSWORD); Sys::Format(cmd,L"SELECT COUNT(*) FROM schedule WHERE course_id=%d AND period_id=%d AND week_day_id BETWEEN 1 AND 2",course_id, current_period); no_groups=conn.GetInt(cmd); group+=no_groups; if(week_id==1) { Sys::Format(cmd, L"INSERT INTO schedule(period_id,professor_id,course_id,grupo,classroom_id,classtime_id,week_day_id)VALUES(%d,%d,%d,'%c',%d,%d,1)",current_period,professor_id,course_id,group, classroom_id,classtime_id); conn.ExecuteNonQuery(cmd); Sys::Format(cmd, L"INSERT INTO schedule(period_id,professor_id,course_id,grupo,classroom_id,classtime_id,week_day_id)VALUES(%d,%d,%d,'%c',%d,%d,3)",current_period,professor_id,course_id,group, classroom_id,classtime_id); conn.ExecuteNonQuery(cmd); Sys::Format(cmd, L"INSERT INTO schedule(period_id,professor_id,course_id,grupo,classroom_id,classtime_id,week_day_id)VALUES(%d,%d,%d,'%c',%d,%d,5)",current_period,professor_id,course_id,group, classroom_id,classtime_id); conn.ExecuteNonQuery(cmd); } else { Sys::Format(cmd, L"INSERT INTO schedule(period_id,professor_id,course_id,grupo,classroom_id,classtime_id,week_day_id)VALUES(%d,%d,%d,'%c',%d,%d,2)",current_period,professor_id,course_id,group, classroom_id,classtime_id); conn.ExecuteNonQuery(cmd); Sys::Format(cmd, L"INSERT INTO schedule(period_id,professor_id,course_id,grupo,classroom_id,classtime_id,week_day_id)VALUES(%d,%d,%d,'%c',%d,%d,4)",current_period,professor_id,course_id,group, classroom_id,classtime_id); conn.ExecuteNonQuery(cmd); } conn.CloseSession(); } catch (Sql::SqlException e) { this->MessageBox(e.GetDescription(), L"Error", MB_OK | MB_ICONERROR); } } else { classroom_id=ddClassroom.GetSelectedData(); classtime_id=ddClasstime.GetSelectedData(); wstring cmd; int rows=0; Sql::SqlConnection conn; try { conn.OpenSession(DSN, USERNAME, PASSWORD); Sys::Format(cmd, L"SELECT COUNT(*) FROM schedule WHERE professor_id=%d AND classtime_id=%d",professor_id,classtime_id); rows=conn.GetInt(cmd); if(rows>0) { this->MessageBoxW(L"This Professor is already teaching at this hour", L"Error", MB_OK | MB_ICONERROR); return; } Sys::Format(cmd, L"SELECT COUNT(*) FROM schedule WHERE classroom_id=%d AND classtime_id=%d",classroom_id,classtime_id); rows=conn.GetInt(cmd); if(rows>0) { this->MessageBoxW(L"This CLassroom is already occupied", L"Error", MB_OK | MB_ICONERROR); return; } Sys::Format(cmd, L"SELECT isbase FROM professor WHERE professor_id=%d",professor_id); rows=conn.GetInt(cmd); if(rows==1 && classtime_id>=5) { this->MessageBoxW(L"This Professor is fulltime", L"Error", MB_OK | MB_ICONERROR); return; } Sys::Format(cmd, L"UPDATE schedule SET classroom_id=%d WHERE course_id=%d AND grupo='%c'",classroom_id,course_id,grupo); conn.ExecuteNonQuery(cmd); Sys::Format(cmd, L"UPDATE schedule SET classtime_id=%d WHERE course_id=%d AND grupo='%c'",classtime_id,course_id,grupo); conn.ExecuteNonQuery(cmd); conn.CloseSession(); } catch (Sql::SqlException e) { this->MessageBox(e.GetDescription(), L"Error", MB_OK | MB_ICONERROR); } } this->EndDialog(TRUE); }