OLAS/app/models/Outcome.php

<?php

use Illuminate\Database\Eloquent\SoftDeletingTrait;

class Outcome extends Eloquent
{
	use SoftDeletingTrait;
	protected $dates = ['deleted_at'];

	protected $fillable= array('name', 'definition');

	public function criteria()
	{
	   return $this->hasManyThrough('Criterion', 'Objective')->orderBy('name');
	}

	/**
	 * Return the objectives that the outcome belongs to
	 *
	 * @return Illuminate\Database\Eloquent\Model
	 */
	public function objectives()
	{
	    return $this->hasMany('Objective');
//		return $this->belongsToMany('Objective', 'objective_outcome');
	}
// 	public function attempted($semester, $is_grad)
// 	{
// 		return DB::table('new_criteria')
// 	    	->join('activity_criterion', 'activity_criterion.criterion_id', '=', 'new_criteria.id')
// 	    	->join('activities', 'activity_criterion.activity_id', '=', 'activities.id')
// 	    	->join('courses', 'activities.course_id', '=', 'courses.id')
// 	    	->join('programs', 'programs.id', '=', 'courses.program_id')
// 	    	->join('criterion_objective_outcome', 'criterion_objective_outcome.criterion_id', '=', 'new_criteria.id')
// 	    	->where('criterion_objective_outcome.outcome_id','=',$this->id)
// 	    	->where('programs.is_graduate','=',$is_grad)
// 	    	->where('courses.semester_id','=',$semester)
// 	    	->count(DB::raw('DISTINCT new_criteria.id,activity_criterion.activity_id'))
// 			;
//
// 	}
// 	public function attempted($semester, $is_grad)
// 	{
// 		 $criteria=DB::table('new_criteria')
// 	    	->join('activity_criterion', 'activity_criterion.criterion_id', '=', 'new_criteria.id')
// 	    	->join('activities', 'activity_criterion.activity_id', '=', 'activities.id')
// 	    	->join('courses', 'activities.course_id', '=', 'courses.id')
// 	    	->join('programs', 'programs.id', '=', 'courses.program_id')
// 	    	->join('criterion_objective_outcome', 'criterion_objective_outcome.criterion_id', '=', 'new_criteria.id')
// 	    	->where('criterion_objective_outcome.outcome_id','=',$this->id)
// 	    	->where('programs.is_graduate','=',$is_grad)
// 	    	->where('courses.semester_id','=',$semester)
// 	    	->select('new_criteria.id','expected_percentage_students_achieving','activity_criterion.activity_id')
// 	    	->distinct()
// 	    	->get()
// 			;
// 		$conteo=0;
// 		foreach($criteria as $criterion)
// 		{
// 			$students_attempted=Criterion::students_attempted($criterion->id, $criterion->activity_id);
// 			if($students_attempted)
// 			{
// 				$conteo++;
// 			}
// 		}
// 		return $conteo;
// 	}
	public function active_by_semesters($selected_semesters, $level)
	{
		$min_start="9000-01-01 00:00:00";
		$max_end="1000-01-01 00:00:00";
		foreach($selected_semesters as $semester)
		{
			if($min_start>$semester->start)
			{
				$min_start=$semester->start;
			}
			if($max_end<$semester->end)
			{
				$max_end=$semester->end;
			}
		}
		$outcomes = Outcome::where(function($query) use ($min_start)
								   {
										$query->where('deactivation_date', '>=', $min_start)
											  ->orWhere('deactivation_date', null);
								   })
							->where('activation_date', '<=', $max_end)
							->where(function($query2) use ($level)
									{
										$query2->where("level", $level+1)
											   ->orWhere("level",3);
									})
							->orderBy('name', 'ASC')
							->get();

// 		return array('outcomes'=>$outcomes,'outcomes_attempted'=>$outcomes_attempted, 'outcomes_achieved'=>$outcomes_achieved, 'attemptedProgramsPerOutcome'=>$attemptedProgramsPerOutcome, 'achievedProgramsPerOutcome'=>$achievedProgramsPerOutcome,'participating_programs'=>$participating_programs);
		return $outcomes;
	}

	public function programs_attempted($semesters)
	{
		$semesters_array=[];
		foreach($semesters as $semester)
		{
			$semesters_array[]=$semester->id;
		}
		 $programs=DB::table('programs')
	    	->join('courses', 'programs.id', '=', 'courses.program_id')
	    	->join('activities', 'activities.course_id', '=', 'courses.id')
	    	->join('activity_criterion', 'activity_criterion.activity_id', '=', 'activities.id')
	    	->join('new_criteria', 'activity_criterion.criterion_id', '=', 'new_criteria.id')
	    	->join('criterion_objective_outcome', 'criterion_objective_outcome.criterion_id', '=', 'new_criteria.id')
	    	->where('criterion_objective_outcome.outcome_id','=',$this->id)
	    	->whereIn('courses.semester_id',$semesters_array)
	    	->distinct()
	    	->select('programs.id')
	    	->get()
			;

		return $programs;

	}

	public function attempted($semesters, $is_grad)
	{
		$semesters_array=[];
		foreach($semesters as $semester)
		{
			$semesters_array[]=$semester->id;
		}
		 $criteria=DB::table('new_criteria')
	    	->join('activity_criterion', 'activity_criterion.criterion_id', '=', 'new_criteria.id')
	    	->join('activities', 'activity_criterion.activity_id', '=', 'activities.id')
	    	->join('courses', 'activities.course_id', '=', 'courses.id')
	    	->join('programs', 'programs.id', '=', 'courses.program_id')
	    	->join('criterion_objective_outcome', 'criterion_objective_outcome.criterion_id', '=', 'new_criteria.id')
	    	->where('criterion_objective_outcome.outcome_id','=',$this->id)
	    	->where('programs.is_graduate','=',$is_grad)
	    	->whereIn('courses.semester_id',$semesters_array)
	    	->select('new_criteria.id','expected_percentage_students_achieving','activity_criterion.activity_id')
	    	->distinct()
	    	->get()
			;
		$conteo=0;
		foreach($criteria as $criterion)
		{
			$students_attempted=Criterion::students_attempted($criterion->id, $criterion->activity_id);
			if($students_attempted)
			{
				$conteo++;
			}
		}
// 		var_dump($conteo);
// 		exit();
		return $conteo;
	}

	public function courses_attempted($courses)
	{
		$courses_array=[];
		foreach($courses as $course)
		{
// 		var_dump($course);
// 		exit();
			$courses_array[]=$course->id;
		}
		 $criteria=DB::table('new_criteria')
	    	->join('activity_criterion', 'activity_criterion.criterion_id', '=', 'new_criteria.id')
	    	->join('activities', 'activity_criterion.activity_id', '=', 'activities.id')
	    	->join('courses', 'activities.course_id', '=', 'courses.id')
	    	->join('programs', 'programs.id', '=', 'courses.program_id')
	    	->join('criterion_objective_outcome', 'criterion_objective_outcome.criterion_id', '=', 'new_criteria.id')
	    	->where('criterion_objective_outcome.outcome_id','=',$this->id)
	    	->whereIn('courses.id',$courses_array)
	    	->select('new_criteria.id','expected_percentage_students_achieving','activity_criterion.activity_id')
	    	->distinct()
	    	->get()
			;
		$conteo=0;
		foreach($criteria as $criterion)
		{
			$students_attempted=Criterion::students_attempted($criterion->id, $criterion->activity_id);
			if($students_attempted)
			{
				$conteo++;
			}
		}
// 		var_dump($conteo);
// 		exit();
		return $conteo;
	}

	public function courses_achieved($courses)
	{
		$courses_array=[];
		foreach($courses as $course)
		{
			$courses_array[]=$course->id;
		}

		 $criteria=DB::table('new_criteria')
	    	->join('activity_criterion', 'activity_criterion.criterion_id', '=', 'new_criteria.id')
	    	->join('activities', 'activity_criterion.activity_id', '=', 'activities.id')
	    	->join('courses', 'activities.course_id', '=', 'courses.id')
	    	->join('programs', 'programs.id', '=', 'courses.program_id')
	    	->join('criterion_objective_outcome', 'criterion_objective_outcome.criterion_id', '=', 'new_criteria.id')
	    	->where('criterion_objective_outcome.outcome_id','=',$this->id)
	    	->whereIn('courses.id',$courses_array)
	    	->select('new_criteria.id','expected_percentage_students_achieving','activity_criterion.activity_id')
	    	->distinct()
	    	->get()
			;


		$conteo=0;
		foreach($criteria as $criterion)
		{
			$students_attempted=Criterion::students_attempted($criterion->id, $criterion->activity_id);
			$students_achieved=Criterion::students_achieved($criterion->id, $criterion->activity_id);

			if($students_attempted)
			{
				$percentage_students_who_achieved=100.0*$students_achieved/$students_attempted;
			}
			else
			{
				$percentage_students_who_achieved=0;
			}
			if($percentage_students_who_achieved>=$criterion->expected_percentage_students_achieving)
			{
				$conteo++;
			}
		}
		return $conteo;
	}

	public function achieved($semesters, $is_grad)
	{
		$semesters_array=[];
		foreach($semesters as $semester)
		{
			$semesters_array[]=$semester->id;
		}

//   DB::enableQueryLog();
		 $criteria=DB::table('new_criteria')
	    	->join('activity_criterion', 'activity_criterion.criterion_id', '=', 'new_criteria.id')
	    	->join('activities', 'activity_criterion.activity_id', '=', 'activities.id')
	    	->join('courses', 'activities.course_id', '=', 'courses.id')
	    	->join('programs', 'programs.id', '=', 'courses.program_id')
	    	->join('criterion_objective_outcome', 'criterion_objective_outcome.criterion_id', '=', 'new_criteria.id')
	    	->where('criterion_objective_outcome.outcome_id','=',$this->id)
	    	->where('programs.is_graduate','=',$is_grad)
	    	->whereIn('courses.semester_id',$semesters_array)
	    	->select('new_criteria.id','expected_percentage_students_achieving','activity_criterion.activity_id')
	    	->distinct()
	    	->get()
			;
// 		dd(DB::getQueryLog());

		$conteo=0;
		foreach($criteria as $criterion)
		{
			$students_attempted=Criterion::students_attempted($criterion->id, $criterion->activity_id);
			$students_achieved=Criterion::students_achieved($criterion->id, $criterion->activity_id);

			if($students_attempted)
			{
				$percentage_students_who_achieved=100.0*$students_achieved/$students_attempted;
			}
			else
			{
				$percentage_students_who_achieved=0;
			}
			if($percentage_students_who_achieved>=$criterion->expected_percentage_students_achieving)
			{
				$conteo++;
			}
		}
		return $conteo;
	}


// 	public function achieved($semester, $is_grad)
// 	{
//
// //   DB::enableQueryLog();
// 		 $criteria=DB::table('new_criteria')
// 	    	->join('activity_criterion', 'activity_criterion.criterion_id', '=', 'new_criteria.id')
// 	    	->join('activities', 'activity_criterion.activity_id', '=', 'activities.id')
// 	    	->join('courses', 'activities.course_id', '=', 'courses.id')
// 	    	->join('programs', 'programs.id', '=', 'courses.program_id')
// 	    	->join('criterion_objective_outcome', 'criterion_objective_outcome.criterion_id', '=', 'new_criteria.id')
// 	    	->where('criterion_objective_outcome.outcome_id','=',$this->id)
// 	    	->where('programs.is_graduate','=',$is_grad)
// 	    	->where('courses.semester_id','=',$semester)
// 	    	->select('new_criteria.id','expected_percentage_students_achieving','activity_criterion.activity_id')
// 	    	->distinct()
// 	    	->get()
// 			;
// // 		dd(DB::getQueryLog());
//
// 		$conteo=0;
// 		foreach($criteria as $criterion)
// 		{
// 			$outcome_performance=DB::table('outcome_performance')
// 				->where('outcome_performance.outcome_id','=',$this->id)
// 				->where('outcome_performance.criterion_id','=',$criterion->id)
// 				->where('outcome_performance.semester_id','=',$semester)
// 				->where('outcome_performance.level','=',$is_grad)
// 				->select('students_attempted','students_achieved')
// 				->first();
// 			if(!empty($outcome_performance) and $outcome_performance->students_attempted)
// 			{
// 				$percentage_students_who_achieved=100.0*$outcome_performance->students_achieved/$outcome_performance->students_attempted;
// 			}
// 			else
// 			{
// 				$students_attempted=Criterion::students_attempted($criterion->id, $criterion->activity_id);
// 				$students_achieved=Criterion::students_achieved($criterion->id, $criterion->activity_id);
//
// 				if($students_attempted)
// 				{
// 					$percentage_students_who_achieved=100.0*$students_achieved/$students_attempted;
// 					DB::table('outcome_performance')->insert(array('criterion_id'=>$criterion->id,'outcome_id'=>$this->id,'semester_id'=>$semester,
// 					'students_attempted' => $students_attempted,'students_achieved' => $students_achieved,'level'=>$is_grad));
// 				}
// 				else
// 				{
// 					$percentage_students_who_achieved=0;
// 				}
// 			}
// 			if($percentage_students_who_achieved>=$criterion->expected_percentage_students_achieving)
// 			{
// 				$conteo++;
// 			}
// 		}
// 		return $conteo;
// 	}
//

	public static function active()
    {
        //TODO: Check when semester doesnt exist or session is empty
        $selected_semester = Semester::find(Session::get('semesters_ids')[0]);
        return Outcome::withTrashed()->where('deactivation_date', '>=', $selected_semester->start)->orWhere('deactivation_date', null)->orderBy('name', 'ASC')->get();
    }
}