We will then be able to:
To add the field to the list of available fields for the combinations panel, click on the in the 'Add a field' panel and enter the following information:
What is the field ID?: nb_sale_1_month
Sc creates the field, you now need to populate the grid with:
Field name: Nb sales for the last month
Table: Another table
Type: just displayed
Refresh combinations: Yes
From the Advanced Properties panel on the right handside:
- select the menu SQLSelect and enter:
return ',(SELECT SUM(od.product_quantity) AS nb_opq
FROM `'._DB_PREFIX_.'order_detail` od
INNER JOIN `'._DB_PREFIX_.'orders` o ON (od.id_order = o.id_order)
WHERE od.product_attribute_id=pa.id_product_attribute
AND o.valid=1
AND o.current_state IN (4,5)
AND o.date_add >= (SELECT DATE_ADD("'.date("Y-m-d").' 00:00:00", INTERVAL -1 MONTH))
LIMIT 1) AS nb_sale_1_month';
- select the menu PHP definition and enter:
$combArray[$combinaison['id_product_attribute']]['nb_sale_1_month'] = $combinaison['nb_sale_1_month'];
Here we look for valid orders with a status 4 or 5 (refer to PrestaShop > Orders > Status) with a date of at least one month. You then duplicate this field and modify the line before last with INTERVAL -3MONTH)) to get the number of sales for the past 3 months.
Exit the editing window and add the field to your grids
Exit the editing window.
The new field is now present in the list of available fields and you can add it to your combination grid.