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Filtering for bestproducts module


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Hi everybody,

 

I need to add filtering for: Back Office -> Statistics -> Stats -> Best products (can be little different because of translation)

 

I have PS 1.6 and I'm editing this file: modules/statsbestproducts/statsbestproducts.php

 

The module itself shows best products for selected date period. What I want is to show best products just for one selected customer (I'm selling just several kinds of goods again to only 10 permanent clients). This way I want to get all items the customer have bought in selected month (I haven't found any module which can do that).

 

Having inspiration from similar stats modules, I just modified hookAdminStatsModules method and changed little SQL query:

____

See line 124, lines 142-159:

    public function hookAdminStatsModules($params)
    {
    $id_category = (int)Tools::getValue('id_category'); // - this is NEW LINE
        $engine_params = array(
            'id' => 'id_product',
            'title' => $this->displayName,
            'columns' => $this->columns,
            'defaultSortColumn' => $this->default_sort_column,
            'defaultSortDirection' => $this->default_sort_direction,
            'emptyMessage' => $this->empty_message,
            'pagingMessage' => $this->paging_message
        );

        if (Tools::getValue('export'))
            $this->csvExport($engine_params);

        return '<div class="panel-heading">'.$this->displayName.'</div>
        '.$this->engine($engine_params).'
        <a class="btn btn-default export-csv" href="'.Tools::safeOutput($_SERVER['REQUEST_URI'].'&export=1').'">
            <i class="icon-cloud-upload"></i> '.$this->l('CSV Export').'
        </a>
    <form action="#" method="post" id="categoriesForm" class="form-horizontal"> <!-- this FORM is NEW -->
                <div class="row row-margin-bottom">
                    <label class="control-label col-lg-3">
                        <span title="" data-toggle="tooltip" class="label-tooltip">
              Set Customer
                        </span>
                    </label>
                    <div class="col-lg-3">
                        <select name="id_category" onchange="$(\'#categoriesForm\').submit();">
                            <option value="0">All</option>
                <option value="2"'.($id_category == 2 ? ' selected="selected"' : '').'>Customer 1</option>
                <option value="3"'.($id_category == 3 ? ' selected="selected"' : '').'>Customer 2</option>
                <option value="4"'.($id_category == 4 ? ' selected="selected"' : '').'>Customer 3</option>
                        </select>
                    </div>
                </div>
            </form>';
    }

 

___

See line 188:

LEFT JOIN '._DB_PREFIX_.'orders o ON od.id_order = o.id_order ' . ((Tools::getValue('id_category')) ? 'AND o.id_customer = '.(Tools::getValue('id_category')) : '' ) .'

 

You can see all in attached file.

 

The thing is the form actually works (options are selected after form is posted).

The SQL query works only if I hardcode id_customer, for example:

LEFT JOIN '._DB_PREFIX_.'orders o ON od.id_order = o.id_order AND o.id_customer = 2'

 

But it does not work "together". Do you know what is wrong?

 

Thank you very very much!

statsbestproducts.php

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