Base_module_model and Base_module_record - shared variables?

pierlo · March 2012

Hello!

I'm trying to figure out if it's possible to have a variable inside the model that can be accessed by the record-level object.

just imagine this scenario



class Blocks_model extends Base_module_model {

    public $language = 'en_EN';

    (...)
}

class Block_model extends Base_module_record {
    
    function get_language()
    {
        return $this->language
    }
}

this obviously fails, because the record object has no way to reach the model (unless the $this->language is a variable of the record object, which is not what i'm looking for)

Is there absolutely no way to achieve this besides having to instantiate the model inside the record ?
ie.



class Block_model extends Base_module_record {
    
    function get_language()
    {
        $CI = &get_instance();
        $CI->load->module_model('fuel', 'blocks_model');
        return $CI->blocks_model->language;
    }
}

which is a less than optimal solution on many ways... Especially because if you're dealing with the record object -- say, from a controller - that means you've loaded the module already anyway...

Any thoughts?

admin · March 2012

There is a reference of the "parent" model passed to the record level object named "_parent_model". Try the following:


class Block_model extends Base_module_record {
    
    function get_language()
    {
        return $this->_parent_model->language;
    }
}

pierlo · March 2012

Thanks a lot!!! Exactly what i needed!!!

marcus_at_localhost · August 2019

Here is the other way around, if you need a record object in the model (to access a certain method or formatted strings).

$this->map_to_record_class($val) is the key.

class Locations_model extends Base_module_model {

    function list_items($limit = NULL, $offset = NULL, $col = 'name', $order = 'asc', $just_count = FALSE)
    {
        $data = parent::list_items($limit, $offset, $col, $order, $just_count = FALSE);

        if (!$just_count)
        {
            foreach($data as $key => $val)
            {
                // make record object available
                $valObject = $this->map_to_record_class($val);
                if($val['latitude'] && $val['longitude']){
                    $static_map = $valObject->get_static_map(['lat' => $val['latitude'],'lng' => $val['longitude']]);
                    $data[$key]['lat_lng'] = sprintf('<img src="%s">', $static_map);
                }
            }
        }
        return $data;
    }
}

class Location_model extends Base_module_record {

    function get_static_map($lat,$lng)
    {
        return sprintf('http://staticmap.com?lat=%s&lng=%s',$lat,$lng);
    }
}

Howdy, Stranger!

Categories

Base_module_model and Base_module_record - shared variables?

Comments