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gusman126
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Can I add code to email templates using a hook?
Hello I want to add a follow-up of opening emails.
https://developers.google.com/analytics/devguides/collection/protocol/v1/email
I am looking for a hook that will add a small code to the existing email templates in the Prestashop.
I don't want it to be manual and for the seller to add this code by hand,
I need to make the change with a hook, or detect when an email is generated or sent to add this code to the template

Edited by gusman126 (see edit history)

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actionEmailAddAfterContent

Add extra content after mail content This hook is called just after fetching mail template

Located in: /classes/Mail.php

actionEmailAddBeforeContent

Add extra content before mail content This hook is called just before fetching mail template

Located in: /classes/Mail.php

actionEmailSendBefore

Before sending an email This hook is used to filter the content or the metadata of an email before sending it or even prevent its sending

Located in: /classes/Mail.php

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Sample:

public function hookActionEmailAddAfterContent($param)
{
    if (!isset($param['template']) || !isset($param['template_html']) || !isset($param['template_txt'])) {
        return;
    }

    $tpl_name = (string) $param['template'];
    $id_lang = (int) $param['id_lang'];
    
    $param['template_html'] .= '<a href="https://my-url.com">'.$this->l('my url text').'</a>';
    $param['template_txt'] .= '<a href="https://my-url.com">'.$this->l('my url text').'</a>';
    
    $param['template_vars']['{shop_url}'] .= ' - '.'<a href="https://my-url.com">'.$this->l('my url text').'</a>';
}

or

public function hookActionEmailSendBefore($param)
{
    if (!isset($param['template']) || !isset($param['template_html']) || !isset($param['template_txt'])) {
        return;
    }

    $tpl_name = (string) $param['template'];
    $id_lang = (int) $param['id_lang'];
    
    $param['template_html'] .= '<a href="https://my-url.com">'.$this->l('my url text').'</a>';
    $param['template_txt'] .= '<a href="https://my-url.com">'.$this->l('my url text').'</a>';
    
    $param['template_vars']['{shop_url}'] .= ' - '.'<a href="https://my-url.com">'.$this->l('my url text').'</a>';
}

 

Edited by Guest (see edit history)

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You can also add conditions to the code for which templates you want to use the hook.
E.g.

public function hookActionEmailSendBefore($param)
{
    ...
    /* list of email templates for which I want a hook */
    $tpl_names = array('order_conf', 'bankwire', 'in_transit');

    $tpl_name = (string) $param['template'];
    $id_lang = (int) $param['id_lang'];
    
    /* when the email template is in the list */
    if (in_array($tpl_name, $tpl_names, true)) {
        ....
    }
}

 

Edited by Guest (see edit history)

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Many thanks

it has worked perfectly, I have added the code that google recommends "email tracking" in my analytics / datalayer module and everything works perfectly
Thank you

public function hookActionEmailAddAfterContent($param)
	{
		if (!isset($param['template']) || !isset($param['template_html']) || !isset($param['template_txt'])) {
			return;
		}

		$tpl_name = (string) $param['template'];
		$id_lang = (int) $param['id_lang'];
		
		$gacode = Configuration::get('DATALAYERTAGMANAGER_IDGANALYTICS');
		$add = '<img src="https://www.google-analytics.com/collect?v=1&tid='.$gacode.'&t=event&ec=email&ea=open"/>';
		
		$param['template_html'] .= $add;
		
	}

 

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