<?php
class Module_model extends CI_Model {

  function __construct(){
        parent::__construct();
    }
    
  public function getAllModule(){
      $this->load->database();
      $query = $this->db->query('SELECT * FROM modules ORDER BY module_name ASC');
      return $query->result();
  }
    
  public function getModuleById($module_id){
      $this->load->database();
      $query = $this->db->query('SELECT * FROM modules WHERE module_id = "'.$module_id.'" LIMIT 1;');
      return $query->result()[0];
  }
    
  public function getModuleBySlug($module_slug){
      $this->load->database();
      $query = $this->db->query('SELECT * FROM modules WHERE module_slug = "'.$module_slug.'" LIMIT 1;');
      return $query->result()[0];
  }
    
    public function getUserModules($userId){
      $this->load->database();
      $this->load->model('User_model');

      $currentUser = $this->User_model->getUserById($userId);

      $query = $this->db->query('SELECT * FROM modules');
      $all_module = $query->result();
      $activeModules = array();
      $activeModuleIds = array();

      foreach($all_module as $moduleItem){

        //check groupmodules
        $moduleGroupIds = unserialize($moduleItem->permission_group_ids);
        $moduleUserIds = unserialize($moduleItem->permission_ids);

        if(!empty($moduleItem->permission_ids)){
        }

        //check group ids
        if(is_array($moduleGroupIds)){
          if(in_array($currentUser->permission_id, $moduleGroupIds)){
            if(!in_array($moduleItem->module_id, $activeModuleIds)){

            $activeModules[] = $moduleItem;
            $activeModuleIds[] = $moduleItem->module_id;


            }
            
          }
        }
        
        //check user_ids
        
        if(is_array($moduleUserIds)){
          if(in_array($currentUser->user_id, $moduleUserIds)){

            if(!in_array($moduleItem->module_id, $activeModuleIds)){
                $activeModules[] = $moduleItem;
                $activeModuleIds[] = $moduleItem->module_id;
            }

          }
        }
      }
      return $activeModules;
  }
    
    
  public function is_module_available($module_id, $userId){
    $this->load->database();
    $this->load->model('User_model');
    
    $currentModule = $this->getModuleById($module_id);
    $currentUser = $this->User_model->getUserById($userId);
    $moduleGroupIds = unserialize($currentModule->permission_group_ids);
    $moduleUserIds = unserialize($currentModule->permission_ids);
    $moduleIsOk = 0;

    //if($currentUser->permission_slug == 'admin' && $module_id != '5'){
    if($currentUser->permission_slug == 'admin'){
      $moduleIsOk = 1;
    }
    
    //check groupmodules
    if(is_array($moduleGroupIds)){
      if(in_array($currentUser->permission_id, $moduleGroupIds)){
        $moduleIsOk = 1;
      }
    }
    
    //check user_ids
    if(is_array($moduleUserIds)){
      if(in_array($currentUser->user_id, $moduleUserIds)){
        $moduleIsOk = 1;
      }
    }
    
    if($moduleIsOk){
      return 1;
    }
    else{
      return 0;
    }
    
}

public function is_userId_available_in_module($module_id, $userId){
  $this->load->database();
  $this->load->model('User_model');

  $currentModule = $this->getModuleById($module_id);
  $userIds = unserialize($currentModule->permission_ids);
  
  
  if(is_array($userIds)){
    if(in_array($userId, $userIds)){
      return 1;
    }
  }
}

public function is_groupId_available_in_module($module_id, $groupId){
  $this->load->database();
  $this->load->model('User_model');

  $currentModule = $this->getModuleById($module_id);
  $moduleGroupIds = unserialize($currentModule->permission_group_ids);
  
  if(is_array($moduleGroupIds)){
    if(in_array($groupId, $moduleGroupIds)){
      return 1;
    }
  }
}


public function updateModule($fieldName, $module_id, $moduleUserArray){
  $this->load->database();
  
  if(!empty($moduleUserArray)){
    $query = $this->db->query("UPDATE modules SET ".$fieldName." ='".serialize($moduleUserArray)."' WHERE module_id = '".$module_id."';");
  }
  else{
    $query = $this->db->query("UPDATE modules SET ".$fieldName." ='' WHERE module_id = '".$module_id."';");
  }
}


public function getModulesByPermissionSlug($permissionSlug){
    $this->load->database();
    $this->load->model('Module_model');
    $selectedPermission = $this->Module_model->getPermissionBySlug($permissionSlug);

    $query = $this->db->query('SELECT * FROM modules;');
    $results = $query->result();
    $resultArray = array();
    foreach($results as $resultItem){
        $permissionIdsArray = explode(',', $resultItem->permission_ids);
        if(in_array($selectedPermission->permission_id, $permissionIdsArray)){
            $resultArray[] = $resultItem;
        }
    }
    return $resultArray;
}

public function getPermissionBySlug($permissionSlug){
    $this->load->database();
    
    $query = $this->db->query('SELECT * FROM permissions WHERE permission_slug = "'.$permissionSlug.'";');
    if($query->num_rows() == 1){
        return $query->result()[0];
    }
    else{
        return 0;
    }
}

public function user_can_access_this_module($moduleSlug, $userId){
    $this->load->database();
    $this->load->model('User_model');
    $selectedUser = $this->User_model->getUserById($userId);

    $query = $this->db->query('SELECT * FROM modules WHERE module_slug = "'.$moduleSlug.'" LIMIT 1;');

    if($query->num_rows() == 1){
        $result = $query->result()[0];
        $permissionArray = explode(',', $result->permission_ids);
        if(in_array($selectedUser->permission_id, $permissionArray)){
           return 1; 
        }
        else{
            return 0;
        }
        
    }
    else{
        return 0;
    }
}









































}


?>