[Solved]Cannot override Pdf/Total/Default.php model

Question

Good morning everybody!

I have a problem trying to override the model app/code/core/Mage/Sales/Model/Order/Pdf/Total/Default.php with app/code/local/Mycompany/Sales/Model/Order/Pdf/Total/Default.php.

The thing is that when I rewrite the module but Magento is using the old module without override.

Here I upload the relevant codes:

etc/modules/Mycompany_Sales.xml

<?xml version="1.0"?>
<config>
    <modules>
        <Mycompany_Sales>
            <active>true</active>
            <codePool>local</codePool>
            <depends>
                <Mage_Sales />
            </depends>
        </Mycompany_Sales>
    </modules>
</config>

app/code/local/Mycompany/Sales/etc/config.xml

<?xml version="1.0"?>
<config>
    <modules>
        <Mycompany_Sales>
            <version>0.1.0</version>
        </Mycompany_Sales>
    </modules>
    <global>
        <models>
            <sales>
                <rewrite>
                    <order_pdf_total_default>Mycompany_Sales_Model_Order_Pdf_Total_Default</order_pdf_total_default>
                </rewrite>
            </sales>
        </models>
    </global>
</config>

code/local/Mycompany/Sales/Model/Order/Pdf/Total/Default.php

<?php
class Mycompany_Sales_Model_Order_Pdf_Total_Default extends Mage_Sales_Model_Order_Pdf_Total_Default
{
    public function getFullTaxInfo()
    {
     ...
    }
}

I have compared it with some internet examples of models overriding and everything seems to be alright.

Anyone knows what can be the problem?

Thank you very much!!

[EDIT]

Finally I have solved the problem. The thing is that there is a core file app/code/core/Mage/Tax/Model/Sales/Pdf/Grandtotal.php that overrides app/code/core/Mage/Sales/Order/Pdf/Total/Default.php so my extended class was in conflict with the tax class.

For solving it I rewrite my extension in order to extends app/code/core/Mage/Tax/Model/Sales/Pdf/Grandtotal.php.

The result is: - etc/modules/Mycompany_Sales.xml

<?xml version="1.0"?>
<config>
    <modules>
        <Mycompany_Sales>
            <active>true</active>
            <codePool>local</codePool>
            <depends>
                <Mage_Sales />
                <Mage_Tax />
            </depends>
        </Mycompany_Sales>
    </modules>
</config>

app/code/local/Mycompany/Sales/etc/config.xml

<?xml version="1.0"?>
<config>
    <modules>
        <Mycompany_Sales>
            <version>0.1.0</version>
        </Mycompany_Sales>
    </modules>
    <global>
        <models>
            <tax>
                <rewrite>
                    <sales_pdf_grandtotal>Mycompany_Sales_Model_Order_Pdf_Total_Default</sales_pdf_grandtotal>
                </rewrite>
            </tax>
        </models>
    </global>
</config>

code/local/Mycompany/Sales/Model/Order/Pdf/Total/Default.php

<?php
class Mycompany_Sales_Model_Order_Pdf_Total_Default extends Mage_Tax_Model_Sales_Pdf_Grandtotal
{
    public function getFullTaxInfo()
    {
     ...
    }
}

Did flush the cache ? Recompile if you're using compiler ? What do you get if you type get_class(Mage::getModel('sales/order_pdf_total_default')); ? — Raphael at Digital Pianism
– Raphael at Digital Pianism, Commented Mar 15, 2016 at 11:29
Yes, I have flush the chache and it does not solve the problem. — Adrian Gallego Castellanos
– Adrian Gallego Castellanos, Commented Mar 15, 2016 at 11:51
What about the code I pasted ? Which result did you get from this ? — Raphael at Digital Pianism
– Raphael at Digital Pianism, Commented Mar 15, 2016 at 11:51
When I use get_class(Mage::getModel('sales/order_pdf_total_default')); a weird thing happens, it shows my class Mycompany_Sales_Model_Order_Pdf_Total_Default instead the old one. — Adrian Gallego Castellanos
– Adrian Gallego Castellanos, Commented Mar 15, 2016 at 11:54
Because of the pdf result. There is a section in the pdf that says: "ESP 21 (21.0000%)". If I truncate the number in the Mage model the result is "ESP 21 (21%)", but if I truncate the number in my class it displays "ESP 21 (21.0000%)" as if I wouldn't have changed anything. — Adrian Gallego Castellanos
– Adrian Gallego Castellanos, Commented Mar 15, 2016 at 12:01

Prashant Valanda · Accepted Answer · 2016-03-15 12:41:18Z

I think it is not working because of sales group name. It conflicts with Magento core sales module.

Use below code

app/etc/modules/Mycompany_Customsales.xml

<?xml version="1.0"?>
<config>
  <modules>
    <Mycompany_Customsales>
      <active>true</active>
      <codePool>local</codePool>
      <version>0.1.0</version>
    </Mycompany_Customsales>
  </modules>
</config>

app/code/local/Mycompany/Customsales/etc/config.xml

<?xml version="1.0"?>
<config>
  <modules>
    <Mycompany_Customsales>
      <version>0.1.0</version>
    </Mycompany_Customsales>
  </modules>
  <global>
    <helpers>
      <customsales>
        <class>Mycompany_Customsales_Helper</class>
      </customsales>
    </helpers>
    <models>
      <customsales>
        <class>Mycompany_Customsales_Model</class>
        <resourceModel>customsales_mysql4</resourceModel>
      </customsales>
            <sales>
                <rewrite>
                    <order_pdf_total_default>Mycompany_Customsales_Model_Sales_Order_Pdf_Total_Default</order_pdf_total_default>
                </rewrite>
            </sales>
    </models>
  </global>
</config>

Model: app/code/local/Mycompany/Customsales/Model/Sales/Order/Pdf/Total/Default.php

<?php
class Mycompany_Customsales_Model_Sales_Order_Pdf_Total_Default extends Mage_Sales_Model_Order_Pdf_Total_Default
{
     //add your code
}

Hope it will helpful to you.

I tried to copy the code above and flush cache but nothing seems to change. — Adrian Gallego Castellanos
– Adrian Gallego Castellanos, Commented Mar 16, 2016 at 10:15

y2alex007 · Accepted Answer · 2019-06-04 20:54:53Z

0

To elaborate on what Adrian Gallego Castellanos edited into his post, I wasn't able to successfully override app/code/core/Mage/Tax/Model/Sales/Pdf/Grandtotal.php.

I had to extend app/code/core/Mage/Tax/Model/Sales/Pdf/Tax.php instead so I could override the getFullTaxInfo() function found in app/code/core/Mage/Sales/Order/Pdf/Total/Default.php.

answered Jun 4, 2019 at 20:54

y2alex007

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