[solved] Pb to generate a sublist from linked MM

**charled** · 03/07/2016, 18:29

Hi everyone,

I (still) got 2 MM : mm_evenements and mm_rencontres. mm_rencontres is linked to mm_evenements byt select attribute lienRencontreEvenement.
I got a page with a mm_list of evenements. When clicking, I go to the detail page where I need :
- the informations of the evenement
- a list of referenced mm_rencontres records.

I was told to adapt this example : http://de.contaowiki.org/MetaModels_...ferenced_items . Here is my template code :

PHP Code:


<?php 
function getRencontresParEvenement($strAlias, $format='html5')
{
  $objMetaModel = MetaModelFactory::byTableName('mm_rencontres'); // my linked mm
  $objFilter = $objMetaModel->prepareFilter(16, array()); // I created the filter but added no rules
  $objFilter->addFilterRule(new MetaModelFilterRuleSearchAttribute($objMetaModel->getAttribute('lienRencontreEvenement'), $strAlias, $objMetaModel->getAvailableLanguages()));
  $objItems = $objMetaModel->findByFilter($objFilter);
  return $objItems->parseAll($format, $objMetaModel->getView(20));
}
?>
 
<div class="evenement_detailview">
  <?php foreach ($this->data as $arrItem): ?> // the problem seems to be here (line 13)
 
  <div class="detailview">
    <h1 class="ce_headline"><?php echo $arrItem['text']['intitule']; ?></h1>
    <p class="description"><?php echo $arrItem['text']['description']; ?></p>
  </div>
 
  <div class="rencontres_liees">
    <h2>Rencontres</h2>
    <?php foreach (getRencontresParEvenement($arrItem['raw']['alias']) as $arrProjects): ?>
  
    <div class="rencontre">
      <h3>
        <a href="{{env::path}}<?php echo $arrProjects['jumpTo']['url']; ?>">
          <?php echo $arrProjects[$this->getFormat()]['intitule']; ?> 
        </a>
      </h3>
      <?php echo $arrProjects[$this->getFormat()]['description']; ?>
    
    </div>
  
  <?php endforeach; ?>
  </div>
 
  <?php endforeach; ?>
</div>

But I got this error message :

Code:

Warning: Invalid argument supplied for foreach() in templates/ce_metamodel_list_test_evenement.html5 on line 13#0 templates/ce_metamodel_list_test_evenement.html5(13): __error(2, 'Invalid argumen...', '/Users/pro/CLIE...', 13, Array)
#1 system/modules/core/library/Contao/BaseTemplate.php(88): include('/Users/pro/CLIE...')
#2 system/modules/core/library/Contao/Template.php(277): Contao\BaseTemplate->parse()
#3 system/modules/core/classes/FrontendTemplate.php(46): Contao\Template->parse()
#4 system/modules/core/classes/Hybrid.php(258): Contao\FrontendTemplate->parse()
#5 composer/vendor/metamodels/core/src/MetaModels/FrontendIntegration/MetaModelHybrid.php(102): Contao\Hybrid->generate()
#6 composer/vendor/metamodels/core/src/MetaModels/FrontendIntegration/HybridList.php(54): MetaModels\FrontendIntegration\MetaModelHybrid->generate()
#7 system/modules/core/library/Contao/Controller.php(476): MetaModels\FrontendIntegration\HybridList->generate()
#8 system/modules/core/modules/ModuleArticle.php(213): Contao\Controller::getContentElement(Object(Contao\ContentModel), 'main')
#9 system/modules/core/modules/Module.php(283): Contao\ModuleArticle->compile()
#10 system/modules/core/modules/ModuleArticle.php(67): Contao\Module->generate()
#11 system/modules/core/library/Contao/Controller.php(409): Contao\ModuleArticle->generate(false)
#12 system/modules/core/library/Contao/Controller.php(269): Contao\Controller::getArticle(Object(Contao\ArticleModel), false, false, 'main')
#13 system/modules/core/pages/PageRegular.php(133): Contao\Controller::getFrontendModule('0', 'main')
#14 system/modules/core/controllers/FrontendIndex.php(267): Contao\PageRegular->generate(Object(Contao\PageModel), true)
#15 index.php(20): Contao\FrontendIndex->run() #16 {main}

What is wrong ? Thanks for your help.

**zonky** · 03/09/2016, 08:41

may be... you don´t have items?

you can debug your template like http://metamodels.readthedocs.org/de...templates.html

PHP Code:




<?php 

function getRencontresParEvenement($strAlias, $format='html5')

{

  $objMetaModel = MetaModelFactory::byTableName('mm_rencontres'); // my linked mm

  $objFilter = $objMetaModel->prepareFilter(16, array()); // I created the filter but added no rules

  $objFilter->addFilterRule(new MetaModelFilterRuleSearchAttribute($objMetaModel->getAttribute('lienRencontreEvenement'), $strAlias, $objMetaModel->getAvailableLanguages()));

  $objItems = $objMetaModel->findByFilter($objFilter);

  return $objItems->parseAll($format, $objMetaModel->getView(20));

}

?>



<?php if (count($this->data)): ?>

 

<div class="evenement_detailview">

  <?php foreach ($this->data as $arrItem): ?> // the problem seems to be here (line 13)

 

  <div class="detailview">

    <h1 class="ce_headline"><?php echo $arrItem['text']['intitule']; ?></h1>

    <p class="description"><?php echo $arrItem['text']['description']; ?></p>

  </div>

 

  <div class="rencontres_liees">

    <h2>Rencontres</h2>

    <?php foreach (getRencontresParEvenement($arrItem['raw']['alias']) as $arrProjects): ?>

  

    <div class="rencontre">

      <h3>

        <a href="{{env::path}}<?php echo $arrProjects['jumpTo']['url']; ?>">

          <?php echo $arrProjects[$this->getFormat()]['intitule']; ?> 

        </a>

      </h3>

      <?php echo $arrProjects[$this->getFormat()]['description']; ?>

    

    </div>

  

  <?php endforeach; ?>

  </div>

 

  <?php endforeach; ?>

</div>



<?php endif; ?>

**charled** · 03/09/2016, 14:07

Hi Zonky,

Yes I got linked datas.
So I duplicated metamodel_prerendered as metamodel_prerendered_detail and added debug code and count code.

But nom I got this error :

Code:

Fatal error: Class 'MetaModelFactory' not found in /Users/pro/CLIENTS/LES NOUVELLES HYBRIDES/sites/lnh3dev2/templates/metamodel_prerendered_detail.html5 on line 15

line 15 is : [code]$objMetaModel = MetaModelFactory::byTableName('mm_rencontres');[/quote]

Here is my complete code :

PHP Code:


<?php
echo "<!-- DEBUG START \n";
echo "<pre>\n";
print_r($this->items->parseAll($this->getFormat(), $this->view));
echo "</pre>\n";
echo "\n DEBUG ENDE -->";
?>


<?php $strRendersettings = isset($this->settings)? 'settings' : 'view'; ?>
<?php if (count($this->data)): ?>


<?php 
function getRencontresParEvenement($strAlias, $format='html5')
{
  $objMetaModel = MetaModelFactory::byTableName('mm_rencontres');
  $objFilter = $objMetaModel->prepareFilter(16, array());
  $objFilter->addFilterRule(new MetaModelFilterRuleSearchAttribute($objMetaModel->getAttribute('lienRencontreEvenement'), $strAlias, $objMetaModel->getAvailableLanguages()));
  $objItems = $objMetaModel->findByFilter($objFilter);
  return $objItems->parseAll($format, $objMetaModel->getView(21));
}
?>
 <?php if (count($this->data)): ?> 
 
<div class="evenement_detailview">
  <?php foreach ($this->data as $arrItem): ?>
 
  <div class="detailview">
    <h1 class="ce_headline"><?php echo $arrItem['text']['intitule']; ?></h1>
    <p class="description"><?php echo $arrItem['text']['description']; ?></p>
  </div>
 
  <div class="rencontres_liees">
    <h2>Rencontres</h2>
    <?php foreach (getRencontresParEvenement($arrItem['raw']['alias']) as $arrRencontres): ?>
  
    <div class="rencontre">
      <h3>
        <a href="{{env::path}}<?php echo $$arrRencontres['jumpTo']['url']; ?>">
          <?php echo $arrRencontres[$this->getFormat()]['intitule']; ?> 
        </a>
      </h3>
      <?php echo $arrRencontres[$this->getFormat()]['description']; ?>
    
    </div>
  
  <?php endforeach; ?>
  </div>
 
  <?php endforeach; ?>
</div>


<?php else: ?>
<p class="info"><?php echo $this->noItemsMsg; ?></p>
<?php endif; ?>
<?php endif; ?>

**zonky** · 03/09/2016, 14:47

you must work with this code "Quelltext mit Namespace:"

like

PHP Code:


<?php 

function getProjectsByCustomer($strAlias, $format='html5')

{

  $objMetaModel = \MetaModels\Factory::byTableName('mm_projects');

  $objFilter = $objMetaModel->prepareFilter(10, array());

  $objFilter->addFilterRule(new \MetaModels\Filter\Rules\SearchAttribute($objMetaModel->getAttribute('customer'), $strAlias, $objMetaModel->getAvailableLanguages()));

  $objItems = $objMetaModel->findByFilter($objFilter);

  return $objItems->parseAll($format, $objMetaModel->getView(3));

}

?>

**charled** · 03/09/2016, 14:48

Ok. What is the difference between with or without namespace ? What is namespace ?

**zonky** · 03/09/2016, 14:57

PHP Code:


// "old" fashion

$objMetaModel = MetaModelFactory::byTableName('mm_rencontres');



// the new one

$objMetaModel = \MetaModels\Factory::byTableName('mm_rencontres');

look at http://metamodels.readthedocs.org/de...etamodels.html

**charled** · 03/09/2016, 17:49

Ok. No more error but Rencontres aren't listed.

This code produces… nothing. Nothing displayed after line 23<h2>Rencontre avec un auteur</h2>.

PHP Code:


[…]
<div class="rencontres_liees">  
    <h2>Rencontre avec un auteur</h2>    
    <?php foreach (getRencontresParEvenement($arrItem['raw']['alias']) as $arrRencontres): ?>      
        <div class="rencontre">         
        <h3><?php echo $arrRencontres[$this->getFormat()]['intitule']; ?> </h3>         
        <p><?php echo $arrRencontres[$this->getFormat()]['description']; ?></p>      
        </div>    
    <?php endforeach; ?>
</div>
[…]

HTML result is :

HTML Code:

<div class="rencontres_liees">
    <h2>Rencontre avec un auteur</h2>
</div>

**zonky** · 03/09/2016, 19:31

look in your array with print_r(getRencontresParEvenement($arrItem['raw']['alias']))

PHP Code:


<?php if (count($this->data)): ?>

 

<div class="evenement_detailview">

  <?php foreach ($this->data as $arrItem): ?> // the problem seems to be here (line 13)

 

  <div class="detailview">

    <h1 class="ce_headline"><?php echo $arrItem['text']['intitule']; ?></h1>

    <p class="description"><?php echo $arrItem['text']['description']; ?></p>

  </div>

 

  <div class="rencontres_liees">

    <h2>Rencontres</h2>

    <?php print_r(getRencontresParEvenement($arrItem['raw']['alias'])); ?>

  

    <div class="rencontre">

      <h3>

        <a href="{{env::path}}<?php echo $arrProjects['jumpTo']['url']; ?>">

          <?php echo $arrProjects[$this->getFormat()]['intitule']; ?> 

        </a>

      </h3>

      <?php echo $arrProjects[$this->getFormat()]['description']; ?>

    

    </div>

  

  <?php endforeach; ?>

  </div>

 

  <?php endforeach; ?>

</div>



<?php endif; ?>

**charled** · 03/09/2016, 22:28

Code:

Array ( )

This can't be more empty ;-))

**zonky** · 03/10/2016, 07:11

your own function found nothing items...

pls post your complete new template an we can try to debug your code...

**charled** · 03/10/2016, 17:31

Hi Zonky,

I've found another way to dot it with a ce_mm_list based on mm_rencontres :

Code:

SELECT id FROM mm_rencontres
WHERE lienRencontreEvenement =(SELECT id FROM mm_evenements
WHERE alias={{param::get?name=auto_item}})
AND rencontrePrincipale =1

adapted from in http://metamodels.readthedocs.org/de...ustom-sql.html (last paragraph).

I just had to search a little bit the right parameters of the "link" between the two tables so I suppose this could be the same problem in my former code. I have no more time to search for it for the moment but hope I could come back later as I'd like to understand it.

Thanks.

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