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How to overload a Class in app/core/Mage/<Module>/Model?

alanin Total Posts: 64 Joined: 2008-02-25 Meuselwitz, Germany Ignore user	Hi there, i am trying to customize some code, and i were able to get my own files loaded, but just when i try to rewrite the methods for a block. But i am not able to get my cusomized files under local/MyCompany/Catalog/Model loaded. I tried alot, but i can figure it out. Please help me. this is the part in my local.xml ... <modules> <BC_Catalog> <active>true</active> <codePool>local</codePool> </BC_Catalog> </modules> <blocks> <catalog> <rewrite> <!-- this works --> <breadcrumbs>BC_Catalog_Block_Breadcrumbs</breadcrumbs> </rewrite> </catalog> </blocks> <models> <catalog> <rewrite> <!-- i am not sure what to rewrite and if this works in general --> <???>BC_Catalog_Model_Product</???> </rewrite> </catalog> </models>... Thanks for help. Alanin // Jörg
	Posted: March 5 2008 \| top

[m] zentrale Total Posts: 400 Joined: 2007-12-06 Stuttgart, Germany Ignore user	Hi, id did it this way, Moshe gave me the needed hints <models> <!-- model group alias to be used in Mage::getModel() --> <heidelpaydebitadvice> <!-- base class name for the model group --> <class>Mage_Heidelpaydebitadvice_Model</class> </heidelpaydebitadvice> <sales> <rewrite> <convert_order>Mage_Heidelpaydebitadvice_Model_Convert_Order</convert_order> <convert_quote>Mage_Heidelpaydebitadvice_Model_Convert_Quote</convert_quote> </rewrite> </sales> </models> I overwrite model sales/model/convert/order and sales/model/convert/quote with my model in folder heidelpaydebitadvice/model/convert/order and .../model/convert/quote I think for you it would be `<models> <catalog> <rewrite> <!-- i am not sure what to rewrite and if this works in general --> <product>BC_Catalog_Model_Product</product> </rewrite> </catalog> </models>` Hope that helps, my english is too bad to explain more abstract, sorry for that. Signature Account-User: S. Bothner & A. Jaus [m] zentrale \| InternetAgentur Stuttgart & München Agentur für Beratung, Entwicklung & Marketing. Magento™ Silver Partner & Community Pro Member ---- Ich habe Visionen - muss ich jetzt zum Arzt?
	Posted: March 5 2008 \| top \| # 1

alanin Total Posts: 64 Joined: 2008-02-25 Meuselwitz, Germany Ignore user	thank you - i am going to try this Alanin // Jörg PS: from Germany aswell edit: OMG it worked - woohooooo Thank you so much. I could bet i’ve tried that, but it was very late the last few days Woohoo, that rox!
	Posted: March 5 2008 \| top \| # 2

[m] zentrale Total Posts: 400 Joined: 2007-12-06 Stuttgart, Germany Ignore user	Hi, welcome my deutscher kollege Grüsse Signature Account-User: S. Bothner & A. Jaus [m] zentrale \| InternetAgentur Stuttgart & München Agentur für Beratung, Entwicklung & Marketing. Magento™ Silver Partner & Community Pro Member ---- Ich habe Visionen - muss ich jetzt zum Arzt?
	Posted: March 5 2008 \| top \| # 3

alanin Total Posts: 64 Joined: 2008-02-25 Meuselwitz, Germany Ignore user	i think i found out how to do that… hope that picture explains abit...its kinda obvious, but i think its way to easy to find out myself someone had to poke me to see it… Image Attachments Click thumbnail to see full-size image
	Posted: March 5 2008 \| top \| # 4

nicolas46 Total Posts: 210 Joined: 2008-04-09 Toulouse Ignore user	I want to overload the method process() from the class Mage_SalesRule_Model_Validator so I create this: Local/MyFirm/SalesRule/etc/config.xml Local/MyFirm/SalesRule/Model/Validator.php Etc/modules/MyFirm_All.xml Config.xml : `<?xml version="1.0" ?> <config> <modules> < MyFirm _SalesRule> <version>0.0.1</version> </ MyFirm _SalesRule> </modules> <global> <models> <salesRule> <rewrite> <validator>MyFirm_SalesRule_Model_Validator</validator> </rewrite> </salesRule> </models> </global> </config>` Validator.php <?php require_once 'Mage/SalesRule/Model/Validator.php'; class MyFirm_SalesRule_Model_Validator extends Mage_SalesRule_Model_Validator{ public function process(Mage_Sales_Model_Quote_Item_Abstract $item) { ?> <script type="text/javascript"> <!-- alert("It’working !!! :)"); //--> </script> <?php } } MyFirm_All.xml : `<?xml version="1.0"?> <config> <modules> <MyFirm_SalesRule> <active>true</active> <codePool>local</codePool> </MyFirm_SalesRule> </modules> </config>` I don’t understand why it’s doesn’t work. Any ideas?
	Posted: April 24 2008 \| top \| # 5

glaDiator Total Posts: 56 Joined: 2008-03-17 Ignore user	`<salesRule> <rewrite> <validator>MyFirm_SalesRule_Model_Validator</validator> </rewrite> </salesRule>` change it to...... `<SalesRule> <rewrite> <validator>MyFirm_SalesRule_Model_Validator</validator> </rewrite> </SalesRule>` just change salesRule ----> SalesRule i am not sure weather this is only the problem..... Let me know if it works........ Signature GlaDiator cracking my head in the wrold of open source
	Posted: April 24 2008 \| top \| # 6

nicolas46 Total Posts: 210 Joined: 2008-04-09 Toulouse Ignore user	Thanks a lot for your answer but it’s doesn’t work :(
	Posted: April 24 2008 \| top \| # 7

glaDiator Total Posts: 56 Joined: 2008-03-17 Ignore user	sorry....but i cant find any other problem Just for clarifiacation....where is the MyFirm folder ?… it should be in /app/code/local Signature GlaDiator cracking my head in the wrold of open source
	Posted: April 24 2008 \| top \| # 8

nicolas46 Total Posts: 210 Joined: 2008-04-09 Toulouse Ignore user	Thanks for trying to help me I confirm MyFirm folder is in app/code/local
	Posted: April 24 2008 \| top \| # 9

nicolas46 Total Posts: 210 Joined: 2008-04-09 Toulouse Ignore user	I found the solution on an other forum : i just need to change salesRule ----> salesrule
	Posted: April 24 2008 \| top \| # 10

glaDiator Total Posts: 56 Joined: 2008-03-17 Ignore user	hmm ..... just the reverse of what i guessed Signature GlaDiator cracking my head in the wrold of open source
	Posted: April 24 2008 \| top \| # 11

NafeX Total Posts: 21 Joined: 2007-12-18 Ignore user	How do I OVERwrite the function _getDefaultCollection($sorted=false) in app\code\core\Mage\Catalog\Model\Resource\Eav\Mysql4\Category\Tree.php? This code in my config.xml file don’t work… `<models> <catalog> <rewrite> <tree>Rove_NewNavigation_Model_Tree</tree> </rewrite> </catalog> </models>` and this don’t work too: `<catalog> <rewrite> <resource_eav_mysql4_category_tree>Rove_NewNavigation_Model_Resource_Eav_Mysql4_Category_Tree</resource_eav_mysql4_category_tree> </rewrite> </catalog>` Please help Thank you
	Posted: August 5 2008 \| top \| # 12

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