'; $sessions .= '

'; $sessions .= '

' . $value['classroom_name'] . '

'; $sessions .= '

'; $sessions .= '

'; $sessions .= '

' . $value["subject_name"] . '

'; $sessions .= '

'; $sessions .= '' . $value['duration'] . ' min'; $sessions .= '

'; $sessions .= '

' . $value['batch_name'] . '

'; if (strtolower($pday) === strtolower($sessionDay) && ($now >= $begintime && $now <= $endtime) && $date == date('Y-m-d', strtotime($this->nepali_current_date))) { $sessions .= '

'; $sessions .= 'Start'; $sessions .= '

'; } else { $sessions .= '

' . date('h:i a', strtotime($s)) . '

'; } $sessions .= '

";print_r($data['session_results']);exit();

		$data['school_info'] = $this->Admin_model->get_logo_from_setting();
		$this->load->view('teacher/teacher-header', $data);
		$this->load->view('teacher/teacher-leftmenu', $data);
		$this->load->view('teacher/TF-evaluation-details', $data);
		$this->load->view('teacher/teacher-footer');
	}

	public function get_exam_subject_details($exam_id)
	{
		if (!isset($_SESSION['teacher_id'])) {
			redirect(base_url() . 'teacher');
		}

		$data['currentURL'] = current_url();
		$tid = $_SESSION['teacher_id'];
		$query = 'select q.id as question_id,e_name, subject_name, subject_id, teacher_name, subject_icon, q.exam_date
    		from questions q, exam e,subject s, teacher t
    		where q.teacher_id = ' . $tid . ' 
    		and q.exam_id =  ' . $exam_id . ' 
    		and q.teacher_id = t.id
    		and s.id = q.subject_id
    		and e.id = q.exam_id
    		ORDER by exam_date DESC';
		$query_result = $this->Teacher_model->get_table_info('classroom_teacher_subject', '', $query);

		echo json_encode($query_result);
	}

	public function exam_question_evaluation()
	{
		if (!isset($_SESSION['teacher_id'])) {
			redirect(base_url() . 'teacher');
		}

		$data['currentURL'] = current_url();

		$question_id = $this->uri->segment(3);
		$data['questions_id'] = $question_id;
		$query = $this->db->query('select questions.*, e_name from questions,exam where questions.id =' . $question_id . ' and exam_id = exam.id');
		$questions_data = $query->row_array();

		foreach ($questions_data as $key => $value) {
			if ($key == 'exam_date') {
				$returnaArr = get_complete_BS_date_info($this->nepaliDateObject, $value);
				$questions_data['bs_date'] = $returnaArr['F'] . '-' . $returnaArr['Y'];
			}
		}

		$data['questions_details'] = $questions_data;
		$sections = explode(",", $questions_data['section_id']);

		$data_array = array();
		for ($i = 0; $i < count($sections); $i++) {

			$q_one = $this->db->query('SELECT s.id as student_id, s.name, q.id as questions_id 
    				FROM questions q
    				INNER JOIN classroom c ON q.course_id = c.course_id  
    				INNER JOIN student_batch sb ON c.id = sb.classroom_id
    				INNER JOIN students s ON sb.student_id = s.id AND sb.batch_id = s.batch_id			            
    				WHERE q.id =' . $question_id . '  
    				AND c.course_id =' . $questions_data['course_id'] . ' 
    				AND c.section_id =' . $sections[$i] . '
    				GROUP BY s.id
    				');

			$query_result1 = $q_one->result_array();

			if (count($query_result1) > 0) {
				foreach ($query_result1 as $key => $value) {

					$appeared_exam = $this->db->query('
    						select exams_id as exam_ans_id,created,review, status from exam_answers where exams_id = ' . $value['questions_id'] . ' AND student_id =' . $value['student_id'] . ' limit 1');
					$ans_query = $appeared_exam->row_array();


					if (isset($ans_query)) {

						array_push($data_array, array(
							'exam_ans_id'	=> $ans_query['exam_ans_id'],
							'date_of_exam'	=> $ans_query['created'],
							'status'		=> $ans_query['status'],
							'student_name'	=> $value['name'],
							'student_id'	=> $value['student_id'],
							'appeared'		=> 'yes',
						));
					} else {
						array_push($data_array, array(

							'student_name'	=> $value['name'],
							'student_id'	=> $value['student_id'],
							'appeared'		=> 'no',
						));
					}
				}
			}
		}


		$data['students_data']	= $data_array;

		$data['school_info'] = $this->Admin_model->get_logo_from_setting();
		$this->load->view('teacher/teacher-header', $data);
		$this->load->view('teacher/teacher-leftmenu', $data);
		$this->load->view('teacher/TF-evaluation-action', $data);
		$this->load->view('teacher/teacher-footer');
	}


	public function exam_question_evaluation_paper()
	{
		if (!isset($_SESSION['teacher_id'])) {
			redirect(base_url() . 'teacher');
		}

		$data['currentURL'] = current_url();

		$question_id = $this->uri->segment(3);
		$student_id = $this->uri->segment(4);

		$get_Data = $this->db->query('select q.*, subject_name, e_name from questions q, subject s, exam e where q.id =' . $question_id . ' AND q.subject_id = s.id and q.exam_id = e.id');
		$data['exam_data'] = $get_Data->row_array();

		$query = $this->db->query('
    			SELECT  ea.*,eq.subject_id, eq.question_type_id, eq.question_name,eq.option_a,eq.option_b,eq.option_c,eq.option_d,eq.correct_answer,eq.question_mark,eq.image 
    			FROM exam_questions eq
    			LEFT JOIN exam_answers ea ON ea.exams_id = eq.exam_id 			            			            
    			WHERE eq.exam_id =' . $question_id . ' 
    			AND ea.student_id = ' . $student_id . '
    			AND eq.exam_id = ea.exams_id
    			AND eq.id = ea.exam_questions_id
    			GROUP by eq.question_name,ea.id
    			ORDER BY eq.id asc
    			');

		$data['questions_data'] = $query->result_array();

		$data['questions_id'] = $question_id;

		$data['school_info'] = $this->Admin_model->get_logo_from_setting();
		$this->load->view('teacher/teacher-header', $data);
		$this->load->view('teacher/teacher-leftmenu', $data);
		$this->load->view('teacher/TF-evaluation-qn1', $data);
		$this->load->view('teacher/teacher-footer');
	}

	public function get_questionsAndAnswerEvaluation()
	{
		if (!isset($_SESSION['teacher_id'])) {
			redirect(base_url() . 'teacher');
		}

		$examAnsid = $_POST['exam_answer_id'];
		$marks = $_POST['marks'];

		$query = $this->db->query('
    			SELECT  eq.question_mark 
    			FROM exam_questions eq, exam_answers ea

    			WHERE ea.id =' . $examAnsid . ' 
    			AND ea.exam_questions_id = eq.id
    			');
		$data = $query->row_array();

		if ($marks <= $data['question_mark']) {

			$this->db->set('review', $marks);
			$this->db->set('modified', $this->nepali_current_date);
			$this->db->where('id', $examAnsid);
			$this->db->update('exam_answers');

			echo 1;
		} else {
			echo 0;
		}
	}

	public function teacher_review_status()
	{
		if (!isset($_SESSION['teacher_id'])) {
			redirect(base_url() . 'teacher');
		}
		$data['currentURL'] = current_url();

		$exams_id = $_POST['exams_id'];
		$student_id = $_POST['student_id'];
		$status = $_POST['status'];

		$data = array(
			'status' => $status + 1,
			'modified' => $this->nepali_current_date
		);


		$this->db->trans_start();
		$this->db->where('student_id', $student_id);
		$this->db->where('exams_id', $exams_id);
		$this->db->update('exam_answers', $data);
		$this->db->trans_complete();

		if ($this->db->trans_status() === FALSE) {
			//false
			redirect(base_url() . 'teacher/evaluate-questions/' . $exams_id);
		} else {
			//true
			// if ($status == 1) {

			$query = $this->db->query(' select sum(review) as totalMarks from exam_answers where student_id =' . $student_id . ' AND exams_id=' . $exams_id);
			$get_marks_student = $query->row_array();

			$student_marks_tot = $get_marks_student['totalMarks'];


			$tot_mark_query = $this->db->query(' select  subject_id,total_marks from questions where id=' . $exams_id);
			$tot_mark = $tot_mark_query->row_array();

			$actual_marks = $tot_mark['total_marks'];

			if ($student_marks_tot == 0) {
				$scored_percentage = 0;
			} else {
				$scored_percentage = round(($student_marks_tot * (100 / $actual_marks)), 2);
			}



			$grade = student_grade_show($scored_percentage);

			$batch_id_query = $this->db->query('select student_batch.id from student_batch, students where students.id =' . $student_id . ' and students.batch_id = student_batch.batch_id and students.id = student_batch.student_id and students.is_active = "yes"');
			$student_batch_id = $batch_id_query->row_array();

			$insert_data = array(
				'student_id'		=> $student_id,
				'exams_id'			=> $exams_id,
				'subject_id'		=> 	$tot_mark['subject_id'],
				'total_marks'		=>	$actual_marks,
				'get_marks'			=>	$student_marks_tot,
				'grades_id'			=>	$grade['id'],
				'student_batch_id'	=>	$student_batch_id['id'],
			);

			$check_data = $this->db->query('select * from student_exam_results where student_id=' . $student_id . ' and exams_id=' . $exams_id . ' and subject_id=' . $tot_mark['subject_id']);

			if ($check_data->num_rows() == 0) {
				$this->db->insert('student_exam_results', $insert_data);
				$result_id = $this->db->insert_id();
				if ($result_id) {
					redirect(base_url() . 'teacher/evaluate-questions/' . $exams_id);
				}
			} else {
				$this->db->trans_start();
				$this->db->where('student_id', $student_id);
				$this->db->where('exams_id', $exams_id);
				$this->db->where('subject_id', $tot_mark['subject_id']);
				$this->db->update('student_exam_results', $insert_data);
				$this->db->trans_complete();
				redirect(base_url() . 'teacher/evaluate-questions/' . $exams_id);
			}
		}
	}

	// Teacher Test/Exam Evaluation End - 11-11-21 - Shankar 

	//Teacher Grade 

	public function teacher_grade_deatils()
	{
		if (!isset($_SESSION['teacher_id'])) {
			redirect(base_url() . 'teacher');
		}

		$data['currentURL'] = current_url();

		$classroom_id = $this->uri->segment(3);

		$tid = $_SESSION['teacher_id'];

		$sql = 'select e_name,exam_id,exam_date, classroom.id as classroom_id
    		FROM questions, exam, classroom
    		WHERE teacher_id = ' . $tid . ' 
    		AND classroom.id = ' . $classroom_id . '
    		AND classroom.course_id = questions.course_id
    		AND exam_id = exam.id
    		GROUP BY exam_id
    		ORDER BY exam_date DESC';

		$data['session_results'] = $this->Teacher_model->get_table_info('classroom_teacher_subject', '', $sql);

		foreach ($data['session_results'] as $key => $value) {
			$returnaArr = get_complete_BS_date_info($this->nepaliDateObject, $value['exam_date']);
			$data['session_results'][$key]['bs_date'] = $returnaArr['F'] . '-' . $returnaArr['Y'];
		}

		// test_view_array($data['session_results']);

		$data['classroom_id'] = $classroom_id;

		// echo "
";print_r($data['session_results']);exit();

		$data['school_info'] = $this->Admin_model->get_logo_from_setting();
		$this->load->view('teacher/teacher-header', $data);
		$this->load->view('teacher/teacher-leftmenu', $data);
		$this->load->view('teacher/TF-grade-exam-details', $data);
		$this->load->view('teacher/teacher-footer');
	}

	public function get_datewises_exam_details($classroom_id, $date)
	{
		if (!isset($_SESSION['teacher_id'])) {
			redirect(base_url() . 'teacher');
		}
		$tid = $_SESSION['teacher_id'];

		$sql = 'select e_name,exam_id,exam_date, classroom.id as classroom_id
    		FROM questions, exam, classroom
    		WHERE teacher_id = ' . $tid . ' 
    		AND classroom.id = ' . $classroom_id . '
    		AND classroom.course_id = questions.course_id
    		AND exam_id = exam.id
    		AND DATE_FORMAT(questions.exam_date,"%Y-%m") >="' . $date . '" 
    		GROUP BY exam_id
    		ORDER BY exam_date DESC';

		echo json_encode($this->Teacher_model->get_table_info('classroom_teacher_subject', '', $sql));
		// echo $this->db->last_query();
		// echo $date;
	}





	//teacher reset password start here

	public function teacher_reset_view()
	{
		$data['school_info'] = $this->Admin_model->get_logo_from_setting();
		$this->load->view('teacher/header', $data);

		$this->load->view('teacher/teacher-reset');
		$this->load->view('teacher/footer');
	}

	public function fp_check_is_emailid_valid()
	{
		$emailId = $_POST['email'];

		$query = $this->db->get_where('teacher', array('email' => $emailId));

		if (!empty($query->row_array())) {
			echo ('success');
		} else {
			echo ('failure');
		}
	}

	public function send_email_reset_password()
	{

		if ($_POST) {
			$url =  str_replace("reset-email", "create-password", current_url());
			$emailId = $_POST['teacherID'];
			$query = $this->db->get_where('teacher', array('email' => $emailId));
			$teacher_name = $query->row_array();

			$base_url = str_replace("index.php/teacher/send_email_reset_password", "", current_url());

			$mail_url = urlsafe_b64encode($emailId);

			$replace_url = $url . '/' . $mail_url;

			$approve_data = array(
				"teachername" => $teacher_name['teacher_name'],
				"reset_link" => $replace_url,
				"baseurl" => $base_url
			);
			$approve_data['school_info'] = $this->Admin_model->get_logo_from_setting();

			$msg = $this->load->view('reset_password_email_teacher', $approve_data, TRUE);

			$this->load->config('email');
			$from = $this->config->item('smtp_user');
			$this->email->from($from);
			$this->email->set_newline("\r\n");
			$this->email->to($emailId);
			//$this->email->to('shankar@erisn.com');


			$this->email->subject('Reset Password');
			$this->email->message($msg);

			if ($this->email->send()) {
				$this->session->set_flashdata('success', 'A mail has been sent to your Email-Id, Please check and reset your password');
				redirect(base_url() . 'teacher/teacher-reset');
			} else {
				$this->session->set_flashdata('failed', "Mailer Error: " . $this->email->print_debugger());
				redirect(base_url() . 'teacher/teacher-reset');
			}
		} else {
			redirect(base_url() . 'teacher', 'refresh');
		}
	}


	public function teacher_create_password($emailId)
	{
		$decode_mail = urlsafe_b64decode($emailId);
		$query = $this->db->get_where('teacher', array('email' => $decode_mail));

		if (!empty($query->row_array())) {
			$data['teacher_data'] = $query->row_array();
		} else {
			$data['teacher_data'] =  '0';
		}

		$data['school_info'] = $this->Admin_model->get_logo_from_setting();
		$this->load->view('teacher/header', $data);
		$this->load->view('teacher/teacher-new-password', $data);
		$this->load->view('teacher/footer');
	}

	public function change_teacher_password()
	{
		if ($_POST) {
			$data = array(
				'password' => base64_encode($_POST['password'])
			);
			$this->db->where('id', $_POST['teacher_id']);
			$this->db->where('email', $_POST['teacher_email']);

			$this->db->update('teacher', $data);
			$this->db->trans_complete();
			if ($this->db->trans_status() === FALSE) {
				$this->session->set_flashdata('danger', str_replace('%s', 'Password', THE_ADD_ERROR_MSG));
			} else {
				$this->session->set_flashdata('success', str_replace('%s', 'Password', THE_UPDATE_SUCCESS_MSG));
			}

			redirect(base_url() . 'teacher');
		} else {
			redirect(base_url() . 'teacher', 'refresh');
		}
	}

	public function update_link_active()
	{
		$storedURL = $this->input->post('link');
		$_SESSION['active_old_link'] = $storedURL;
	}

	public function changeTeacher_password()
	{
		if (!isset($_SESSION['teacher_id']))
			redirect(base_url() . 'teacher');

		$data['currentURL'] = current_url();

		//get logo
		$data['logo'] = $this->Admin_model->get_logo();
		$data['school_info'] = $this->Admin_model->get_logo_from_setting();

		$data['title'] = 'Change Password';
		if (count($_POST) > 0) {

			$data = array(
				'password' => base64_encode($_POST['password']),
				'modified_on' => $this->nepali_current_date
			);


			$this->db->where('id', $_SESSION['teacher_id']);
			$this->db->update('teacher', $data);
			$this->db->trans_complete();
			if ($this->db->trans_status() === FALSE) {
				$this->session->set_flashdata('danger', str_replace('%s', 'Password', THE_ADD_ERROR_MSG));
				redirect(base_url() . 'teacher/teacher-change-password');
			} else {
				$this->session->set_flashdata('success', str_replace('%s', 'Password', THE_UPDATE_SUCCESS_MSG));
				redirect(base_url() . 'teacher/teacher-change-password');
			}

			exit();
		}
		$this->load->view('teacher/teacher-header', $data);
		$this->load->view('teacher/teacher-leftmenu', $data);
		$this->load->view('teacher/change-password', $data);
		$this->load->view('teacher/teacher-footer');
	}

	public function leaves()
	{
		if (!isset($_SESSION['teacher_id']))
			redirect(base_url() . 'teacher');

		$data['currentURL'] = current_url();

		//get logo
		$data['logo'] = $this->Admin_model->get_logo();
		$data['school_info'] = $this->Admin_model->get_logo_from_setting();

		$teacher_id = (string)$_SESSION['teacher_id'];

		$sql = "SELECT s.name,c.classroom_name,la.* from leave_applications la 
    		INNER JOIN students s on s.id = la.student_id
    		INNER JOIN student_batch sb on s.id = sb.student_id AND sb.batch_id = s.batch_id
    		INNER JOIN classroom c on c.id = sb.classroom_id
    		WHERE JSON_CONTAINS(la.teacher_id, '[$teacher_id]')";

		$data['leaves'] = $leaves = $this->Teacher_model->get_table_info('leave_applications', '', $sql);
		// dd($leaves);
		$this->load->view('teacher/teacher-header', $data);
		$this->load->view('teacher/teacher-leftmenu');
		$this->load->view('teacher/leaves');
		$this->load->view('teacher/teacher-footer');
	}

	public function view_leave($id)
	{

		if (!isset($_SESSION['teacher_id']))
			redirect(base_url() . 'teacher');

		$data['currentURL'] = current_url();

		//get logo
		$data['logo'] = $this->Admin_model->get_logo();
		$data['school_info'] = $this->Admin_model->get_logo_from_setting();
		$data['leave_id'] = $id;
		$leave = $this->Teacher_model->get_table_info('leave_applications', array('id' => $id));

		if (empty($leave)) {
			$this->session->set_flashdata('failed', 'There is no leave application with the given Id');
			redirect(base_url() . 'teacher/leaves');
		} else {
			$name = '';
			foreach ($leave as $key => $value) {
				$teacher_ids = json_decode($value['teacher_id']);
				foreach ($teacher_ids as $index => $ele) {
					$teacher_name = $this->db->get_where('teacher', array('id' => $ele))->row();
					if (!empty($teacher_name)) {
						if (!$name) {
							$name = $teacher_name->teacher_name;
							$leave[$key]['teacher_name'] = $name;
						} else {
							$name .= ', ' . $teacher_name->teacher_name;
							$leave[$key]['teacher_name'] = $name;
						}
					} else {
						if (!$name) {
							$name = 'unknown teacher';
							$leave[$key]['teacher_name'] = $name;
						} else {
							$name .= ', unknown teacher ';
							$leave[$key]['teacher_name'] = $name;
						}
					}
				}
			}
			$data['leave'] = $leave;
		}
		// dd($data['leave']);
		$this->load->view('teacher/teacher-header', $data);
		$this->load->view('teacher/teacher-leftmenu');
		$this->load->view('teacher/single_leave');
		$this->load->view('teacher/teacher-footer');
	}

	public function ar_leave_application()
	{

		if (!isset($_SESSION['teacher_id']))
			redirect(base_url() . 'teacher');

		if (count($_POST) == 0) {
			$this->session->set_flashdata('failed', 'Please select a valid leave application');
			redirect(base_url() . 'teacher/leaves');
		}

		$id = $this->input->post('id');

		if (isset($_POST['rejected_msg'])) {

			$data['status'] = 'Rejected';
			$data['rejected_msg'] = $this->input->post('rejected_msg');
			$data['modified'] = date('Y-m-d H:i:s', strtotime($this->nepali_current_date));
			$leave = $this->Teacher_model->update_table($id, $data, 'leave_applications');

			if ($leave) {
				$this->session->set_flashdata('success', 'Leave has been successfully rejected');
				redirect(base_url() . 'teacher/leaves');
			} else {
				$this->session->set_flashdata('failed', 'Please try again later!');
				redirect(base_url() . 'teacher/leaves');
			}
		} else {
			$data['status'] = 'Approved';
			$data['modified'] = date('Y-m-d H:i:s', strtotime($this->nepali_current_date));
			$leave = $this->Teacher_model->update_table($id, $data, 'leave_applications');

			if ($leave) {
				$this->session->set_flashdata('success', 'Leave has been successfully approved');
				redirect(base_url() . 'teacher/leaves');
			} else {
				$this->session->set_flashdata('failed', 'Please try again later!');
				redirect(base_url() . 'teacher/leaves');
			}
		}
	}
}