OLAS/app/controllers/ThreeYearPlanController.php

<?php

use Illuminate\Database\Eloquent\Collection;

class ThreeYearPlanController extends \BaseController
{

  // load the Three year Plan page
  public function threeYearsReport()
  {
      $user_id = auth::user()->id;

      // el ID de los semestres que el usuario tiene seleccionado.
      $semesters_ids = Session::get('semesters_ids');
      // buscar informacion de los semestres seleccionados
      $semesters = Semester::whereIn('id',$semesters_ids)->get();

      $title = "Three Year Plans Planning";
      $outcomes = Outcome::orderBy('name', 'ASC')
          ->where('deactivation_date','=','0000-00-00')
          ->orWhereNull('deactivation_date')
          ->get();
      $typs = DB::table('three_year_plan')
          ->orderBy('year_start', 'asc')
          ->get();
      $criteria = Criterion::withTrashed()->orderBy('name', 'ASC')->get();
      $program_id = DB::table('program_user')
      ->where('user_id',$user_id)
      ->select('program_id')
      ->get();
      $program_id = $program_id[0]->program_id;

      // se annadio la nueva variable
      return View::make('global.view-three-year-plan', compact('title', 'outcomes', 'typs', 'criteria', 'semesters', 'program_id'));

  }


  //when the user select a three year period from the left column, load the corresponding info
  public function fetchThreeYears()
  {
      $id = Input::get('id');

      $semesters = DB::table('typ_semesters')
          ->join('semesters','semesters.id','=','typ_semesters.semester_id')
          ->where('typ_semesters.typ_id',$id)
          ->orderBy('typ_semesters.semester_id', 'asc')
          ->get();
      $typs = DB::table('three_year_plan')
          ->where('id',$id)
          ->orderBy('year_start', 'asc')
          ->get();

      $typs  = $typs[0];
      $typs->semesters = $semesters;

      return array
      (
          'typ' => $typs,
      );
  }

  // add or remove a semester associated with an outcome when a user selects a checkbox
  public function update_typ_outcomes_semesters()
  {
    $outcomeSemesterArray = json_decode(Input::get('outcomeSemesterArray'), true);
    $typ_id = Input::get('typ_id');

    $user_id = auth::user()->id;
    $program_id = DB::table('program_user')
    ->where('user_id',$user_id)
    ->select('program_id')
    ->get();
    $program_id = $program_id[0]->program_id;


    $result = DB::table('typ_program')
        ->where('three_year_plan_id',$typ_id)
        ->where('program_id',$program_id)
        ->get();

    // create the relation if it doesnt exist
    if(count($result) == 0){
      $typ_program_id = DB::table('typ_program')->insertGetId(
          array('three_year_plan_id' => $typ_id,
                'program_id' => $program_id)
      );
    } else {
      $typ_program_id = $result[0]->id;
    }



    //go through array
    foreach ($outcomeSemesterArray as $outcome_semester) {

      // foreach of the 6 semesters
      foreach ($outcome_semester["semesters"] as $semester) {
        $insert = $semester[1];

        $outcome_id = explode("-sem",$semester[0])[0];

        $semester_code = explode("-sem",$semester[0])[1];
        $result = DB::table('semesters')
            ->where('code',$semester_code)
            ->select('id')
            ->get();
        if(count($result) == 0){
          continue;
        }
        $semester_id = $result[0]->id;

        // verify if it exists
        $result = DB::table('typ_semester_outcome')
            ->where('typ_program_id',$typ_program_id)
            ->where('semester_id',$semester_id)
            ->where('outcome_id',$outcome_id)
            ->get();

        // if true, it should get inserted
        if ($insert == true) {
          // if == 0, then insert
          if(count($result) == 0){
            $_ = DB::table('typ_semester_outcome')->insertGetId(
                array('typ_program_id' => $typ_program_id,
                      'semester_id' => $semester_id,
                      'outcome_id' => $outcome_id)
            );

          }
          //if exists, then do nothing

        }
        // if false, it should get deleted
        else { //value == false

          // if == 0, it doesnt exist. we do nothing
          if(count($result) == 0){
            //pass
          }
          //if exists, then do nothing
          else {
            DB::table('typ_semester_outcome')
                ->where('typ_program_id', $typ_program_id)
                ->where('semester_id', $semester_id)
                ->where('outcome_id', $outcome_id)
                ->delete();
          }
        }
      }
    }
    return;
  }

  // load semesters asociated with the outcomes if previously selected
  public function lookup_typ_semester_outcome()
  {
    $box_value = array();

    $info = Input::get('info');

    foreach ($info as $values) {
      $outcome_id = $values[0];
      $semester_code = $values[1];
      $program_id = $values[2];
      $box_id = $values[3];
      $typ_id = $values[4];

      //buscar id del typ
      $result = DB::table('typ_program')
          ->where('three_year_plan_id',$typ_id)
          ->where('program_id',$program_id)
          ->get();
      $typ_program_id = $result[0]->id;

      // buscar si existe el outcome_semester
      $result = DB::table('typ_semester_outcome')
          ->join('semesters','semesters.id','=','typ_semester_outcome.semester_id')
          ->where('typ_program_id',$typ_program_id)
          ->where('semesters.code',$semester_code)
          ->where('outcome_id',$outcome_id)
          ->get();

      // if it doesnt exist
      if (count($result)==0){
        array_push($box_value,array($box_id,0));
      } else {
        array_push($box_value,array($box_id,1));
      }

    }
    return array
    (
      'box_value' => ($box_value)
    );
  }

  // save or delete Objectives associated with the outcomes and semsters
  public function section2_on_change()
  {
    $typ_id = Input::get('typ_id');
    $outcome_id = Input::get('outcome_id');
    $semester_id = Input::get('semester_id');
    $previous_objective_id = Input::get('previous_objective_id');
    $new_objective_id = Input::get('new_objective_id');

    // get program_id
    $user_id = auth::user()->id;
    $program_id = DB::table('program_user')
        ->where('user_id',$user_id)
        ->select('program_id')
        ->get();
    $program_id = $program_id[0]->program_id;

    // get typ_program_id
    $result = DB::table('typ_program')
        ->where('three_year_plan_id',$typ_id)
        ->where('program_id',$program_id)
        ->get();
    $typ_program_id = $result[0]->id;

    // get typ_semester_outcome_id
    $result = DB::table('typ_semester_outcome')
        ->where('typ_program_id',$typ_program_id)
        ->where('semester_id',$semester_id)
        ->where('outcome_id',$outcome_id)
        ->get();
    $typ_semester_outcome_id = $result[0]->id;

    //delete old objective relation if it exists
    if ($previous_objective_id != 'nothing_selected') {
      $result = DB::table('typ_semester_objectives')
          ->where('typ_semester_outcome_id',$typ_semester_outcome_id)
          ->where('objective_id',$previous_objective_id)
          ->get();
      if (count($result) != 0) {
        DB::table('typ_semester_objectives')
            ->where('typ_semester_outcome_id', $typ_semester_outcome_id)
            ->where('objective_id', $previous_objective_id)
            ->delete();
      }
    }

    //create new objective relation
    if ($new_objective_id != 'nothing_selected') {
      $result = DB::table('typ_semester_objectives')
          ->where('typ_semester_outcome_id',$typ_semester_outcome_id)
          ->where('objective_id',$new_objective_id)
          ->get();
      if (count($result) == 0) {
        $_ = DB::table('typ_semester_objectives')->insertGetId(
            array(
              'typ_semester_outcome_id' => $typ_semester_outcome_id,
              'objective_id' => $new_objective_id)
        );
      }
    }
    return 'update was succes';
  }

  // load the corresponding info after associating semesters with outcomes
  public function section2_arrive()
  {
    // get program_id
    $user_id = auth::user()->id;
    $program_id = DB::table('program_user')
        ->where('user_id',$user_id)
        ->select('program_id')
        ->get();
    $program_id = $program_id[0]->program_id;

    // get typ_program_id
    $typ_id = Input::get('typ_id');
    $result = DB::table('typ_program')
        ->where('three_year_plan_id',$typ_id)
        ->where('program_id',$program_id)
        ->get();
    $typ_program_id = $result[0]->id;


    //search selected outcomes,semesters and get their objectives
    $selected_outcomes = DB::table('typ_semester_outcome')
        ->join('outcomes','outcomes.id','=','typ_semester_outcome.outcome_id')
        ->where('typ_semester_outcome.typ_program_id',$typ_program_id)
        ->distinct('typ_semester_outcome.outcome_id')
        ->select('typ_semester_outcome.outcome_id')
        ->orderBy('outcomes.name', 'asc')
        ->get();

    $selected_objectives_array = array();
    $outcomes_info_array = array();
    // $objectives_info_array = array();
    $semesters_array = array();

    $info = array();
    foreach ($selected_outcomes as $outcome) {


      $outcome_id = $outcome->outcome_id;
      $result_outcomes = DB::table('outcomes')
          ->where('outcomes.id',$outcome_id)
          ->orderBy('outcomes.name', 'asc')
          ->get();

      foreach ($result_outcomes as $outcome_) {

        $result_semesters = DB::table('typ_semester_outcome')
            ->join('semesters','semesters.id','=','typ_semester_outcome.semester_id')
            ->where('typ_semester_outcome.typ_program_id',$typ_program_id)
            ->where('typ_semester_outcome.outcome_id',$outcome_->id)
            ->select('typ_semester_outcome.id','typ_semester_outcome.semester_id','semesters.code','semesters.name')
            ->get();
        // buscar info sobre selected_semsters
        $outcome_->selected_semesters = array();
        foreach ($result_semesters as $semesters_) {
          $typ_semester_outcome_id = $semesters_->id;

          // lookup previusly selected objectives
          $result_objectives = DB::table('typ_semester_objectives')
              ->join('objectives','objectives.id','=','typ_semester_objectives.objective_id')
              ->where('typ_semester_objectives.typ_semester_outcome_id', $typ_semester_outcome_id)
              ->orderBy('typ_semester_objectives.id', 'asc')
              ->get();

          $semesters_->selected_objectives = array();
          foreach ($result_objectives as $objectives_) {

            array_push($semesters_->selected_objectives, $objectives_);
          }

          // lookup available objectives
          $result_objectives = DB::table('objective_outcome')
              ->join('outcomes','outcomes.id','=','objective_outcome.outcome_id')
              ->join('objectives','objectives.id','=','objective_outcome.objective_id')
              ->join('objective_program','objective_program.objective_id','=','objectives.id')
              ->where('objective_program.program_id',$program_id)
              ->where('objective_outcome.outcome_id',$outcome_id)
              ->select('objectives.id','objectives.text','outcomes.name as outcome_name')
              ->orderBy('objectives.text', 'asc')
              ->get();

          $semesters_->available_objectives = array();
          foreach ($result_objectives as $objectives_) {

            array_push($semesters_->available_objectives, $objectives_);
          }

          array_push($outcome_->selected_semesters, $semesters_);
        }
        array_push($info, $outcome_);
      }
    }
    return $info;
  }

  // load the corresponding info after associating objectives to semesters outcomes
  public function section3_arrive()
  {
    // get program_id
    $user_id = auth::user()->id;
    $program_id = DB::table('program_user')
        ->where('user_id',$user_id)
        ->select('program_id')
        ->get();
    $program_id = $program_id[0]->program_id;

    // get typ_program_id
    $typ_id = Input::get('typ_id');
    $result = DB::table('typ_program')
        ->where('three_year_plan_id',$typ_id)
        ->where('program_id',$program_id)
        ->get();
    $typ_program_id = $result[0]->id;


    //search selected outcomes,semesters and get their objectives
    $selected_outcomes = DB::table('typ_semester_outcome')
        ->join('outcomes','outcomes.id','=','typ_semester_outcome.outcome_id')
        ->where('typ_semester_outcome.typ_program_id',$typ_program_id)
        ->distinct('typ_semester_outcome.outcome_id')
        ->select('typ_semester_outcome.outcome_id')
        ->orderBy('outcomes.name', 'asc')
        ->get();

    $selected_objectives_array = array();
    $outcomes_info_array = array();
    // $objectives_info_array = array();
    $semesters_array = array();

    $info = array();
    foreach ($selected_outcomes as $outcome) {


      $outcome_id = $outcome->outcome_id;
      $result_outcomes = DB::table('outcomes')
          ->where('outcomes.id',$outcome_id)
          ->get();

      foreach ($result_outcomes as $outcome_) {

        $result_semesters = DB::table('typ_semester_outcome')
            ->join('semesters','semesters.id','=','typ_semester_outcome.semester_id')
            ->where('typ_semester_outcome.typ_program_id',$typ_program_id)
            ->where('typ_semester_outcome.outcome_id',$outcome_->id)
            ->select('typ_semester_outcome.id','typ_semester_outcome.semester_id','semesters.code','semesters.name')
            ->get();
        // buscar info sobre selected_semsters
        $outcome_->selected_semesters = array();
        foreach ($result_semesters as $semesters_) {
          $typ_semester_outcome_id = $semesters_->id;
          $result_objectives = DB::table('typ_semester_objectives')
              ->join('objectives','objectives.id','=','typ_semester_objectives.objective_id')
              ->where('typ_semester_objectives.typ_semester_outcome_id', $typ_semester_outcome_id)
              ->select('typ_semester_objectives.id as typ_semester_objectives_id','objectives.*','typ_semester_objectives.*')
              ->orderBy('typ_semester_objectives.id', 'asc')
              ->get();

          $semesters_->selected_objectives = array();
          foreach ($result_objectives as $objectives_) {
            $result_courses = DB::table('courses')
                ->where('courses.program_id', $program_id)
                ->select('courses.id as course_id','courses.name','courses.code','courses.program_id')
                ->orderBy('courses.name', 'asc')
                ->groupBy('courses.name','courses.code')
                ->get();
            #los cursos resultantes creo que deberian ser: todos los que se estan dando en mi programa

            $objectives_->available_courses = array();
            foreach ($result_courses as $courses_) {
              array_push($objectives_->available_courses, $courses_);
            }

            // search for previusly selected courses
            $typ_semester_objective_id = $objectives_->typ_semester_objectives_id;
            $result_courses = DB::table('typ_semester_courses')
                ->join('courses','courses.id','=','typ_semester_courses.course_id')
                ->where('typ_semester_courses.typ_semester_objective_id', $typ_semester_objective_id)
                ->select('courses.id as course_id','courses.*','typ_semester_courses.*')
                ->orderBy('courses.name', 'asc')
                ->get();

            $objectives_->selected_courses = array();
            foreach ($result_courses as $courses_) {
              array_push($objectives_->selected_courses, $courses_);
            }

            array_push($semesters_->selected_objectives, $objectives_);
          }

          array_push($outcome_->selected_semesters, $semesters_);
        }
        array_push($info, $outcome_);
      }
    }
    return $info;
  }

  // save or delete courses associated with objectives
  public function section3_on_change()
  {
    $typ_id = Input::get('typ_id');
    $outcome_id = Input::get('outcome_id');
    $semester_id = Input::get('semester_id');
    $objective_id = Input::get('objective_id');
    $previous_course_id = Input::get('previous_course_id');
    $new_course_id = Input::get('new_course_id');

    // get program_id
    $user_id = auth::user()->id;
    $program_id = DB::table('program_user')
        ->where('user_id',$user_id)
        ->select('program_id')
        ->get();
    $program_id = $program_id[0]->program_id;

    // get typ_program_id
    $result = DB::table('typ_program')
        ->where('three_year_plan_id',$typ_id)
        ->where('program_id',$program_id)
        ->get();
    $typ_program_id = $result[0]->id;

    // get typ_semester_outcome_id
    $result = DB::table('typ_semester_outcome')
        ->where('typ_program_id',$typ_program_id)
        ->where('semester_id',$semester_id)
        ->where('outcome_id',$outcome_id)
        ->get();
    $typ_semester_outcome_id = $result[0]->id;

    // get typ_semester_objective_id
    $result = DB::table('typ_semester_objectives')
        ->where('typ_semester_outcome_id',$typ_semester_outcome_id)
        ->where('objective_id',$objective_id)
        ->get();
    $typ_semester_objective_id = $result[0]->id;

    //delete old objective relation if it exists
    if ($previous_course_id != 'nothing_selected') {
      $result = DB::table('typ_semester_courses')
          ->where('typ_semester_objective_id',$typ_semester_objective_id)
          ->where('course_id',$previous_course_id)
          ->get();
      if (count($result) != 0) {
        DB::table('typ_semester_courses')
            ->where('typ_semester_objective_id', $typ_semester_objective_id)
            ->where('course_id', $previous_course_id)
            ->delete();
      }
    }

    //create new objective relation
    if ($new_course_id != 'nothing_selected') {
      $result = DB::table('typ_semester_courses')
          ->where('typ_semester_objective_id',$typ_semester_objective_id)
          ->where('course_id',$new_course_id)
          ->get();
      if (count($result) == 0) {
        $_ = DB::table('typ_semester_courses')->insertGetId(
            array(
              'typ_semester_objective_id' => $typ_semester_objective_id,
              'course_id' => $new_course_id)
        );
      }
    }
    return 'update succes?';
  }


}