<?php
use Illuminate\Support\Facades\Log;
use Illuminate\Support\Facades\Redirect;
class
CoursesController extends \BaseController
{
/**
* Display the specified resource.
*
* @param int $id
* @return Response
*/
public function show($id)
{
$course = Course::with('semester')->where('id', $id)->first();
Log::info($course->student_report_for_outcome);
$title = $course->code . $course->number . '-' . $course->section . ' <span class="small attention">(' . $course->semester->code . ')</span>';
// If course does not exist, display 404
if (!$course)
App::abort('404');
// If course does not belong to the person
if ($course->user_id != Auth::id())
App::abort('403', 'Access forbidden.');
$activities = $course->activities;
$students = $course->students;
//$outcomes = Outcome::orderBy('name', 'asc')->get();
$semesters = Session::get('semesters_ids');
$semesters = DB::table('semesters')->where('id', $course->semester_id)->orderBy('start', 'ASC')->first();
$outcomes = Outcome::select(array('id', 'name', 'expected_outcome'))
->whereNull('deleted_at')
->whereRaw("(deactivation_date IS NULL or deactivation_date >= '{$semesters->start}')")
->orderBy('name', 'ASC')->get();
$outcomes_achieved = $course->outcomes_ach();
// $outcomes_attempted = json_decode($course->outcomes_attempted, true);
$outcomes_attempted = $course->outcomes_att();
// Get active semesters
$active_semesters = array();
$active_semesters_collection = Semester::select('id')->where('is_visible', 1)->where('start', '<=', date('Y-m-d H:i:s'))->where('end', '>=', date('Y-m-d H:i:s'))->get();
foreach ($active_semesters_collection as $active_semester) {
$active_semesters[] = $active_semester->id;
}
return View::make('local.professors.course', compact('title', 'course', 'activities', 'students', 'outcomes', 'outcomes_achieved', 'outcomes_attempted', 'active_semesters'));
}
public function editView()
{
$title = 'Create/Edit Course';
switch (Auth::user()->role) {
case 1:
$programs = Program::with('school')->orderBy('name', 'asc')->get();
$professors = User::select(array('users.id', 'first_name', 'surnames'))->orderBy('surnames', 'asc')->orderBy('first_name', 'asc')->get();
break;
case 2:
$programs = Program::where("school_id", Auth::user()->school->id);
$professors = User::fromSchool(Auth::user()->school->id)->select(array('users.id', 'first_name', 'surnames'))->orderBy('surnames', 'asc')->orderBy('first_name', 'asc')->get();
break;
case 3:
$programs = Auth::user()->programs;
$program_ids = Program::join('program_user', 'program_user.program_id', '=', 'programs.id')
->where('program_user.user_id', Auth::user()->id)
->lists('programs.id');
$professors = User::fromPrograms($program_ids)->select(array('users.id', 'first_name', 'surnames'))->orderBy('surnames', 'asc')->orderBy('first_name', 'asc')->get();
break;
}
//$users = User::select(array('id', 'first_name', 'surnames'))->orderBy('surnames', 'asc')->orderBy('first_name', 'asc')->get();
$semesters = Semester::where('is_visible', '1')->orderBy('start', 'desc')->get();
$modalities = DB::table("courses")
->groupBy("modality")
->lists("modality");
return View::make('local.managers.shared.course_edit', compact('title', 'programs', 'professors', 'modalities', 'semesters'));
}
public function fetchCourses()
{
return Course::where('program_id', Input::get('program_id'))
->where('semester_id', Input::get('semester_id'))
->get();
}
private function cleanInput()
{
//$clean_input = array();
$all_input = Input::all();
$all_input["name"] = trim(preg_replace('/\t+/', '', Input::get('name')));
return $all_input;
}
private function makeValidator($clean_input)
{
return Validator::make(
array(
'course_name' => $clean_input['name'],
'course_code' => $clean_input['code'],
'course_number' => $clean_input['number'],
'course_section' => $clean_input['section'],
'program_id' => $clean_input['program'],
'professor_id' => $clean_input['professor_id'],
'semester_id' => $clean_input['semester_id'],
),
array(
'course_name' => 'required|string',
'course_code' => 'required|string',
'course_number' => "required|string",
'course_section' => 'required|string',
'program_id' => 'required|integer',
"professor_id" => 'required|integer',
"semester_id" => "required|integer"
)
);
}
public function create()
{
//$all_input = Input::all();
// limpiar el input
$all_input = $this->cleanInput();
$validator = $this->makeValidator($all_input);
/** If validation fails */
if ($validator->fails()) {
/** Prepare error message */
$message = '<p>Error(s) creating a new Course:</p><ul>';
foreach ($validator->messages()->all('<li>:message</li>') as $validationError) {
$message .= $validationError;
}
$message .= '</ul>';
/** Send error message and old data */
Session::flash('status', 'danger');
Session::flash('message', $message);
return Redirect::to('editCourses')->withInput();
}
$name = $all_input['name'];
$code = $all_input['code'];
$number = $all_input['number'];
$section = $all_input['section'];
$program = $all_input['program'];
$professor_id = $all_input['professor_id'];
$semester_id = $all_input['semester_id'];
//Input::file('students')//->move('course_student/', 'test.txt');
Log::info($all_input);
/** Instantiate new Objective */
$course = new Course;
$course->name = $name;
$course->code = $code;
$course->number = $number;
$course->section = $section;
$course->program_id = $program;
$course->user_id = $professor_id;
$course->semester_id = $semester_id;
/** If Objective is saved, send success message */
if ($course->save()) {
//$students->move('./course_student', 'test.txt');
if (Input::file('students') != '') {
$student_nums = file(Input::file('students'));
} else {
$student_nums = false;
}
//para la validación. Si se encuentra un numero de estudiante incorrecto,
//set stu_not_found = true,
$stu_not_found = false;
$stu_nf_list = [];
if ($student_nums) {
foreach ($student_nums as $stu_num) {
//Log::info($stu_num);
//Log::info("Stunum");
$student_id = DB::select("select id from students where number = " . $stu_num);
/*DB::table("students")
->where('number', '=', $stu_num)
->first();
*/
if (count($student_id)) {
$student_id = $student_id[0]->id;
DB::table("course_student")
->insert(array(
'course_id' => $course->id,
'student_id' => $student_id,
'semester_id' => $course->semester_id
));
} else {
$stu_not_found = true;
$stu_nf_list[] = $stu_num;
//$course->forceDelete();
//Session::flash('status', 'danger');
//Session::flash('message', '<p>Error Enrolling students. Please try again later.</p>');
//return Redirect::to('editCourses')->withInput();
}
}
Session::flash('status', 'success');
Session::flash('message', 'Course created: "' . $course->name . '".');
if ($stu_not_found) {
$error_msg = "<ul>";
foreach ($stu_nf_list as $stu_num) {
$error_msg .= "<li>" . $stu_num . "</li>";
}
$error_msg .= "</ul>";
Session::flash('status', 'warning');
Session::flash('message', '<p>Error Enrolling students these students</p>' . $error_msg .
'<p>But course ' . $course->name . ' was created</p>');
//return Redirect::to('editCourses')->withInput();
}
return Redirect::to('editCourses')->withInput();
//fclose($student_nums);
} else {
Session::flash('status', 'Warning');
Session::flash('message', '<p>Course ' . $course->name . ' created but no student enrolled.</p>');
return Redirect::to('editCourses')->withInput();
}
}
/** If saving fails, send error message and old data */
else {
Session::flash('status', 'danger');
Session::flash('message', '<p>Error creating course. Please try again later.</p>');
return Redirect::to('editCourses')->withInput();
}
}
public function updateCourseInfo()
{
$all_info = Input::all();
$course = Course::findOrFail($all_info['select-course']);
$course->name = $all_info['name'];
$course->code = $all_info['code'];
$course->section = $all_info['section'];
$course->number = $all_info['number'];
$course->program_id = $all_info['program'];
$course->user_id = $all_info['professor_id'];
$course->semester_id = $all_info['semester_id'];
$course->modality = $all_info['modality'];
if ($course->save()) {
if (Input::file('students') != '') {
$student_nums = file(Input::file('students'));
} else {
$student_nums = false;
}
//para la validación. Si se encuentra un numero de estudiante incorrecto,
//set stu_not_found = true,
$stu_not_found = false;
$stu_nf_list = [];
if ($student_nums) {
foreach ($student_nums as $stu_num) {
$if_stu_matriculado = DB::table('course_student')
->where('student_id', $stu_num)
->where('course_id', $course->id)
->first();
//si está matriculado, pichea.
if ($if_stu_matriculado) {
continue;
}
$student_id = DB::select("select id from students where number = " . $stu_num);
if (count($student_id)) {
$student_id = $student_id[0]->id;
DB::table("course_student")
->insert(array(
'course_id' => $course->id,
'student_id' => $student_id,
'semester_id' => $course->semester_id
));
} else {
$stu_not_found = true;
$stu_nf_list[] = $stu_num;
//$course->forceDelete();
//Session::flash('status', 'danger');
//Session::flash('message', '<p>Error Enrolling students. Please try again later.</p>');
//return Redirect::to('editCourses')->withInput();
}
}
Session::flash('status', 'success');
Session::flash('message', 'Course edited: "' . $course->name . '".');
if ($stu_not_found) {
$error_msg = "<ul>";
foreach ($stu_nf_list as $stu_num) {
$error_msg .= "<li>" . $stu_num . "</li>";
}
$error_msg .= "</ul>";
Session::flash('status', 'warning');
Session::flash('message', '<p>Error Enrolling students these students</p>' . $error_msg .
'<p>But course ' . $course->name . ' was edited</p>');
//return Redirect::to('editCourses')->withInput();
}
return Redirect::to('editCourses')->withInput();
//fclose($student_nums);
} else {
Session::flash('status', 'warning');
Session::flash('message', '<p>Course ' . $course->name . ' edited but no student enrolled.</p>');
return Redirect::to('editCourses')->withInput();
}
}
/** If saving fails, send error message and old data */
else {
Session::flash('status', 'danger');
Session::flash('message', '<p>Error creating course. Please try again later.</p>');
return Redirect::to('editCourses')->withInput();
}
return Redirect::to('editCourses')->withInput();
}
public function newShow($id)
{
$course = Course::findOrFail($id);
$title = $course->name;
$semesters = Semester::where('is_visible', '1')->orderBy('start', 'asc')->get();
$is_active_semester = $semesters->filter(function ($semester) {
return Semester::where('is_visible', 1)->where('start', '<=', date('Y-m-d H:i:s'))->where('end', '>=', date('Y-m-d H:i:s'))->get()->has($semester->id);
});
// $active_semesters = Semester::select('id')->where('is_visible', 1)->where('start', '<=', date('Y-m-d H:i:s'))->where('end', '>=', date('Y-m-d H:i:s'))->get()->toArray()[0];
$activities = $course->activities;
// var_dump($active_semesters);
// var_dump($course->semester->id);
return View::make('local.managers.admins.new-course-show', compact('title', 'course', 'semesters', 'activities', 'is_active_semester'));
}
/**
* Display the specified course, but with limited information.
*
* @param int $id
* @return Response
*/
public function showLimited($id)
{
$course = Course::with('semester')->where('id', $id)->first();
$students = $course->students;
$title = $course->code . $course->number . '-' . $course->section . ' <span class="small attention">(' . $course->semester->code . ')</span>';
// If course does not exist, display 404
if (!$course)
App::abort('404');
$activities = $course->activities;
$students = $course->students;
$level = DB::table('courses')
->join('programs', 'programs.id', '=', 'courses.program_id')
->where('courses.id', $id)
->select('programs.is_graduate')
->first();
$outcomes = Outcome::active_by_semesters(array($course->semester), $level->is_graduate);
// $outcomeCount = count((array)$outcomes);
$course = Course::where('id', $id)->first();
$results = $course->student_report_for_outcome;
foreach ($outcomes as $outcome) {
$outcomes_attempted[$outcome->id] = isset($results[$outcome->id]) ? $results[$outcome->id]['calculations']['student_attempted'] : 0;
$outcomes_achieved[$outcome->id] = isset($results[$outcome->id]) ? $results[$outcome->id]['calculations']['student_achieved'] : 0;
}
// $outcomes = Outcome::orderBy('name', 'asc')->get();
// $outcomes_achieved = json_decode($course->outcomes_achieved, true);
// $outcomes_attempted = json_decode($course->outcomes_attempted, true);
$schools = School::all();
$rubrics = array();
Log::info($activities);
foreach ($activities as $activity) {
if (!empty($activity->rubric)) {
$rubrics[] = $activity->rubric[0];
}
}
return View::make('local.managers.shared.limited-course', compact('title', 'course', 'activities', 'students', 'outcomes', 'outcomes_achieved', 'outcomes_attempted', 'schools', 'rubrics', 'students'));
}
/**
* Show grouped sections of a course
*/
public function showGrouped($code, $number, $semester_code)
{
$title = $code . $number . ' (' . $semester_code . ')';
$semester = Semester::where('code', $semester_code)->first();
// $selected_semesters = Semester::find(Session::get('semesters_ids'));
$role = Auth::user()->role;
$level = DB::table('courses')
->join('programs', 'programs.id', '=', 'courses.program_id')
->where('courses.code', $code)
->where('courses.number', $number)
->where('courses.semester_id', $semester->id)
->select('programs.is_graduate')
->first();
// var_dump($level);
// exit();
$grouped_courses = Course::where('code', $code)
->where('number', $number)
->where('semester_id', $semester->id)
->select("courses.*", DB::raw("1 as grouped"))
->groupBy(array('code', 'number'))->get();
// $outcomes = Outcome::orderBy('name', 'asc')->get();
// $outcomeCount = Outcome::all()->count();
$outcomes = Outcome::active_by_semesters(array($semester), $level->is_graduate);
$outcomeCount = count((array)$outcomes);
foreach ($outcomes as $outcome) {
$outcomes_attempted[$outcome->id] = 0;
$outcomes_achieved[$outcome->id] = 0;
}
//foreach ($outcomes as $outcome) {
//$outcomes_attempted[$outcome->id] = $outcome->courses_attempted($grouped_courses);
//$outcomes_achieved[$outcome->id] = $outcome->courses_achieved($grouped_courses);
// $outcomes_achieved[$outcome->id] = $results[$outcome->id]['calculations']
// $outcomes_attempted[$outcome->id] = $results[$outcome->id]['calculations']
//}
// var_dump($outcomes_attempted);
// print "<br>";
// var_dump($outcomes_achieved);
// print "<br>";
foreach ($grouped_courses as $index => $grouped_course) {
// // Blank outcomes for one course
// $outcomes_achieved = array_fill(1, $outcomeCount, 0);
// $outcomes_attempted = array_fill(1, $outcomeCount, 0);
//
// // Find sections for this course
$sections = Course::where('code', $grouped_course->code)
->where('number', $grouped_course->number)
->where('semester_id', $grouped_course->semester_id)
->get();
$results = $grouped_course->student_report_for_outcome;
Log::info($results);
foreach ($outcomes as $outcome) {
$outcomes_attempted[$outcome->id] += isset($results[$outcome->id]) ? $results[$outcome->id]['calculations']['student_attempted'] : 0;
$outcomes_achieved[$outcome->id] += isset($results[$outcome->id]) ? $results[$outcome->id]['calculations']['student_achieved'] : 0;
}
//
// // For each of the sections, add the attempted and achieved criteria per outcome
// foreach ($sections as $section)
// {
// if($section->outcomes_achieved!=NULL)
// {
// $section_outcomes_achieved =count($section->outcomes_attempted());
// // var_dump($section_outcomes_achieved);
// // exit();
// $section_outcomes_attempted =count($section->outcomes_achieved());
// // $section_outcomes_achieved =json_decode($section->outcomes_achieved, true);
// // $section_outcomes_attempted =json_decode($section->outcomes_attempted, true);
// foreach($outcomes as $outcome)
// {
// if(!isset($outcomes_achieved[$outcome->id]))$outcomes_achieved[$outcome->id]=0;
// if(!isset($outcomes_attempted[$outcome->id]))$outcomes_attempted[$outcome->id]=0;
// $outcomes_achieved[$outcome->id]+=$section_outcomes_achieved[$i];
// $outcomes_attempted[$outcome->id]+=$section_outcomes_attempted[$i];
//
// }
// // for($i=1; $i<=count($outcomes_attempted); $i++)
// // {
// // $outcomes_achieved[$i]+=$section_outcomes_achieved[$i];
// // $outcomes_attempted[$i]+=$section_outcomes_attempted[$i];
// // }
// }
// }
}
$section_ids = Course::where('code', $code)
->where('number', $number)
->where('semester_id', $semester->id)
->lists('id');
//$activities = Activity::with('course')->whereNotNull('transforming_actions')->whereIn('course_id', $section_ids)->orderBy('name')->groupBy('transforming_actions')->get();
$activities = Activity::with('course')->whereIn('course_id', $section_ids)
->join('activity_criterion as ac', 'ac.activity_id', '=', 'activities.id')
//->leftJoin('transformative_activity_criterion as tac', 'ac.id', '=', 'tac.activity_criterion_id')
//->join('transformative_actions as ta', 'ta.id', '=', 'tac.trans_action_id')
->select('activities.*')
//->addSelect('ta.description as transforming_actions')
->distinct()
->orderBy('name')->get();
return View::make('local.managers.shared.grouped_course', compact('role', 'title', 'grouped_courses', 'outcomes', 'outcomes_attempted', 'outcomes_achieved', 'sections', 'transforming_actions', 'activities'));
}
/**
* Printable version for a course (grouped sections)
*/
public function print_course($code, $number, $semester_code)
{
$title = $code . $number . ' (' . $semester_code . ')';
$semester = Semester::where('code', $semester_code)->first();
$role = Auth::user()->role;
$grouped_courses = Course::where('code', $code)
->where('number', $number)
->where('semester_id', $semester->id)
->select("courses.*", DB::raw("1 as grouped"))
->groupBy(array('code', 'number'))->get();
// Log::info($grouped_courses[0]->id);
// exit();
$level = DB::table('courses')
->join('programs', 'programs.id', '=', 'courses.program_id')
->where('courses.id', $grouped_courses[0]->id)
->select('programs.is_graduate')
->first();
$outcomes = Outcome::active_by_semesters(array($semester), $level->is_graduate);
$outcomeCount = count((array)$outcomes);
foreach ($outcomes as $outcome) {
$outcomes_attempted[$outcome->id] = 0;
$outcomes_achieved[$outcome->id] = 0;
}
// $outcomes = Outcome::orderBy('name', 'asc')->get();
foreach ($grouped_courses as $index => $grouped_course) {
// Find sections for this course
$sections = Course::where('code', $grouped_course->code)
->where('number', $grouped_course->number)
->where('semester_id', $grouped_course->semester_id)
->get();
$results = $grouped_course->student_report_for_outcome;
// Log::info($results);
foreach ($outcomes as $outcome) {
$outcomes_attempted[$outcome->id] += isset($results[$outcome->id]) ? $results[$outcome->id]['calculations']['student_attempted'] : 0;
$outcomes_achieved[$outcome->id] += isset($results[$outcome->id]) ? $results[$outcome->id]['calculations']['student_achieved'] : 0;
}
/*
// For each of the sections, add the attempted and achieved criteria per outcome
foreach ($sections as &$section) {
if ($section->outcomes_ach()) {
$section->outcomes_attempted = true;
$course_outcomes_achieved = $section->outcomes_ach();
$course_outcomes_attempted = $section->outcomes_att();
foreach ($course_outcomes_achieved as $outcome => $score) {
if (array_key_exists($outcome, $outcomes_achieved))
$outcomes_achieved[$outcome] += $score;
else $outcomes_achieved[$outcome] = $score;
}
foreach ($course_outcomes_attempted as $outcome => $score) {
if (array_key_exists($outcome, $outcomes_attempted))
$outcomes_attempted[$outcome] += $score;
else $outcomes_attempted[$outcome] = $score;
}
}
// if ($section->outcomes_achieved != NULL) {
// $section_outcomes_achieved = json_decode($section->outcomes_achieved, true);
// $section_outcomes_attempted = json_decode($section->outcomes_attempted, true);
// for ($i = 1; $i <= count($outcomes_attempted); $i++) {
// $outcomes_achieved[$i] += $section_outcomes_achieved[$i];
// $outcomes_attempted[$i] += $section_outcomes_attempted[$i];
// }
// }
}
}
*/
}
$section_ids = Course::where('code', $code)
->where('number', $number)
->where('semester_id', $semester->id)
->lists('id');
// Activities with transforming actions
// $activities = Activity::with('course')->whereNotNull('transforming_actions')->whereIn('course_id', $section_ids)->orderBy('name')->groupBy('transforming_actions')->get();
$activities = Activity::with('course')->whereIn('course_id', $section_ids)->orderBy('name')->get();
return View::make('local.managers.shared.print_course', compact('role', 'title', 'grouped_courses', 'outcomes', 'outcomes_attempted', 'outcomes_achieved', 'sections', 'activities'));
}
private function excelConv(&$value, $key)
{
Log::debug('CoursesController@excelConv');
$value = iconv('UTF-8', 'Windows-1252//IGNORE', $value);
}
public function exportGrades($id)
{
// Find course
$course = Course::find($id);
// Set file name and open file
$filename = 'olas_student_grades_' . $course->code . $course->number . $course->section . $course->semester->code . '_' . time() . '.csv';
$file = fopen('exports/' . $filename, 'w');
// To add an empty line to the csv
$empty_line = array(' ');
// Set section name at the top
fputcsv($file, array($course->code . $course->number . $course->section . ' (' . $course->semester->code . ')'));
fputcsv($file, $empty_line);
// Individual activity tables -----------------------------------------
// For each activity
foreach ($course->assessedActivities as $activity) {
// Set name
$activity_name = iconv('UTF-8', 'Windows-1252//IGNORE', $activity->name);
fputcsv($file, array($activity_name));
// Get assessments
// $assessments = DB::table('assessments')
// ->join('students', 'assessments.student_id', '=', 'students.id')
// ->where('activity_id', '=', $activity->id)->orderBy('assessments.id', 'asc')->get();
$assessments = DB::table('assessments')
->join('students', 'assessments.student_id', '=', 'students.id')
->join('activity_criterion', 'assessments.activity_criterion_id', '=', 'activity_criterion.id')
->where('activity_criterion.activity_id', '=', $activity->id)->orderBy('assessments.id', 'asc')->get();
// Get rubric contents
$rubric_contents = json_decode($activity->rubric->contents);
$criterion_list = array('#', 'Name', 'School', 'Major');
// Set criterion names
foreach ($rubric_contents as $criterion) {
$criterion_list[] = $criterion->name;
}
$criterion_list[] = 'Percentage';
$criterion_list[] = 'Comments';
// Change encoding to be compatible with Excel
array_walk($criterion_list, array($this, 'excelConv'));
fputcsv($file, $criterion_list);
// Set student info and scores for each criterion
foreach ($assessments as $assessment) {
$student = Student::find($assessment->student_id);
$scores = json_decode($assessment->scores, true);
fputcsv($file, array_merge(
array($student->number, $student->name, $student->school_code, $student->conc_code),
$scores,
array($assessment->percentage, $assessment->comments)
));
}
fputcsv($file, $empty_line);
}
// Table with all activities and grades
// Set headers for table
$activity_list = array('#', 'Name', 'School', 'Major');
foreach ($course->assessedActivities as $activity) {
$activity_list[] = $activity->name;
}
$activity_list[] = 'Average';
fputcsv($file, $empty_line);
fputcsv($file, array('All Activities'));
// Change encoding to be compatible with Excel
array_walk($activity_list, array($this, 'excelConv'));
fputcsv($file, $activity_list);
// For each student, set info
foreach ($activity->course->students as $student) {
$student_record = array($student->number, $student->name, $student->school_code, $student->conc_code);
$assessed_activities = $course->assessedActivities;
// Iterate over activities, get percentages and add them to the record array
foreach ($assessed_activities as $activity) {
$percentage = DB::table('assessments')
->select('percentage')
->where('student_id', '=', $student->id)
->where('activity_id', '=', $activity->id)->first();
$student_record[] = $percentage->percentage;
}
// Average
$student_record[] = array_sum(
array_slice(
$student_record,
4,
count($assessed_activities)
)
) / count($assessed_activities);
fputcsv($file, $student_record);
}
// Close the file
fclose($file);
// Return response for download
return Response::download('exports/' . $filename);
}
public function reassign()
{
$title = 'Course Management';
$programs = Program::with('school')->orderBy('name', 'asc')->get();
$users = User::select(array('id', 'first_name', 'surnames'))->orderBy('surnames', 'asc')->orderBy('first_name', 'asc')->get();
$semesters = Semester::where('is_visible', '1')->orderBy('start', 'asc')->get();
return View::make('local.managers.admins.reassign', compact('title', 'programs', 'users', 'semesters'));
}
public function update()
{
if (Input::get('reassign_program')) {
$code = strtoupper(trim(str_replace('*', '%', Input::get('code'))));
$number = strtoupper(trim(str_replace('*', '%', Input::get('number'))));
$section = strtoupper(trim(str_replace('*', '%', Input::get('section'))));
if (!$code && !$number && !$section) {
Session::flash('status', 'danger');
Session::flash('message', 'At least one field is required.');
return Redirect::back()->withInput();
}
$update_query = Course::orderBy('code', 'asc')->orderBy('number', 'asc')->orderBy('section', 'asc');
$fetch_query = Course::orderBy('code', 'asc')->orderBy('number', 'asc')->orderBy('section', 'asc');
if ($code) {
$update_query->where('code', 'LIKE', $code);
$fetch_query->where('code', 'LIKE', $code);
}
if ($number) {
$update_query->where('number', 'LIKE', $number);
$fetch_query->where('number', 'LIKE', $number);
}
if ($section) {
$update_query->where('section', 'LIKE', $section);
$fetch_query->where('section', 'LIKE', $section);
}
// If section is blank, results can be grouped by code and number
else {
$fetch_query->groupBy(array('code', 'number'));
}
$affected_rows = $fetch_query->get();
// If there are results
if (!$affected_rows->isEmpty()) {
// Try updating and flash success message if successful
if ($update_query->update(array('program_id' => Input::get('program')))) {
Session::flash('courses', json_encode($affected_rows));
Session::flash('status', 'success');
Session::flash('message', 'Courses succesfully updated.');
if ($section) {
Session::flash('show_sections', true);
}
} else {
Session::flash('status', 'danger');
Session::flash('message', 'Error reassigning courses to a program. Try again later.');
}
} else {
Session::flash('status', 'warning');
Session::flash('message', 'No courses matched your criteria. Try to broaden your search.');
}
return Redirect::back()->withInput();
} elseif (Input::get('reassign_professor')) {
$code = strtoupper(trim(str_replace('*', '%', Input::get('code_prof'))));
$number = strtoupper(trim(str_replace('*', '%', Input::get('number_prof'))));
$section = strtoupper(trim(str_replace('*', '%', Input::get('section_prof'))));
$user = Input::get('user_prof');
$semester = Input::get('semester_prof');
if (!$code || !$number || !$section) {
Session::flash('status', 'danger');
Session::flash('message', 'Error assigning professor to a course. All fields are required.');
return Redirect::back()->withInput();
}
$update_query = Course::where('code', '=', $code)
->where('number', '=', $number)
->where('section', '=', $section)
->where('semester_id', '=', $semester);
$fetch_query = Course::where('code', '=', $code)
->where('number', '=', $number)
->where('section', '=', $section)
->orderBy('code', 'asc')
->orderBy('number', 'asc')
->orderBy('section', 'asc');
$affected_rows = $fetch_query->get();
// If there are results
if (!$affected_rows->isEmpty()) {
try {
// Try updating and flash success message if successful
$update_query->update(array('user_id' => $user));
Session::flash('status', 'success');
Session::flash('message', 'Successfully changed professor for ' . $code . $number . '-' . $section);
} catch (Exception $e) {
Session::flash('status', 'danger');
Session::flash('message', 'An error occurred when changing professor for ' . $code . $number . '-' . $section) . '.';
}
} else {
Session::flash('status', 'warning');
Session::flash('message', 'No course matches your criteria. Try again with different values.');
}
return Redirect::back()->withInput();
} else {
}
}
}