Correct way to make data available to blocks?

Richard · June 2012

Hi - I am a bit of a newbie - so forgive the basic question:

I want to include a (sidebar) panel of data on a few of my website pages (shows relationships between users and status info) and I want to have flexibility over which pages this appears on (will change over time). To me this sounds like a good application of a block.

The examples of blocks (e.g. quotes and projects) use modules - which I think I understand. However the data I am considering is data that is inherent to my application and not anything that I need to expose in the CMS and so I don't think a module is appropriate (correct me if I'm wrong).

My question is : what is the best practice way of exposing data to my block view?
- It doesn't have it's own controller as it is (dynamically) included into other views
- I could directly call the relevant model but this sounds like it would be a no-no in MVC terms
- I could make the data available to every view, but this feels inefficient

I understand this is probably more an MVC/codeigniter question, but it is the use of blocks that has triggered the problem for me.

Thanks in advance for any guidance you can give

admin · June 2012

There is a "vars" parameter you can use to pass variables to the block like so:


<?=fuel_block(array('view' => 'my_block', 'vars' => array('my_var1' => 'my_var_value1')))??

Richard · June 2012

Thanks, but I guess my question is more basic... where would I setup that variable. If for example I want to send an array of data that is the result of a function in a model?

admin · June 2012

We normally will use the view itself to generate the data results and then pass it to the block (as in above). You could create a controller that performs that logic, then passes it to the view, then passes it to the block, but that is one of those extra steps that we don't mind breaking the normal MVC rules for.

Richard · June 2012

do you mean calling the model directly from the view?

admin · June 2012

Most of the time we'll use fuel_model to get model data from within the block.

// from within views/_blocks/my_block.php
$data = fuel_model('my_model');
foreach($data as $key => $val):
     echo $val->my_prop;
endforeach;

Richard · June 2012

Thanks - but I thought this was to access modules that have been built to extend fuel cms functionality. The model I want to access is one that I don't want to expose in the CMS as a module - can I still use fuels_model to access a 'standard' model?

admin · June 2012

You are right in that to use fuel_model you need have it be a CMS module. You can set the "hidden" module property in the MY_fuel_modules which will hide in from the navigation. However, the module still is accessible through the URL. So, the better alternative may be to use the following:

$CI->load->model('my_model');
data = $CI->my_model->find_all();
....

Richard · June 2012

Great - thanks for your help

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Correct way to make data available to blocks?

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