Fabian Blechschmidt

Magento

INSERT INTO, increased auto_increment, but no data

Missing data, failed transactions and unassigned products Last week my job was to port a module back from Magento 1.9 to Magento 1.4. Allowed core hacks In the end the only real problem I had, was that Mage_Core_Model_Resource_Db_Abstract doesn't exist already,

Magento

Mage_Weee and why it is important for tax calculation

TL;DR Install Topological Sort [https://github.com/ikonoshirt/TopologicalSearch] to fix the sorting algorithm. Problem Mage_Weee is a module which is needed in Magento to calculate the so called Waste Electrical and Electronic Equipment Directive [https://en.wikipedia.org/wiki/Waste_Electrical_and_Electronic_Equipment_Directive] . It is

FireGento

How to organize a Mage Hackathon - FireGento style

What is a hackathon On first view a hackathon is a meetup of developers, but if you ask me, it is so much more: It is all about people - not only developers! Develoeprs, designer, tester, people who are interessted in a certain topic meet, discuss a topic and hack

Magento

Domains, Domains, Domains

I dumped a shop from my customer and imported it to my local system, as you can guess, the local domain is another one. All my domains are like: <customer>.dev. Where to change domains Secure/Unsecure Base URL From core_config_data: default 0 web/unsecure/base_

Magento

SSL Everywhere or HSTS

We have to secure all the data of our users, not only registration, checkout and login. We need to secure the session data too. SSL Everywhere or HTTP Strict Transport Security (I hope) Everyone knows, that it is important to secure (read as encrypt) our customer’s data. Because of

Magento

Add Amin User

Magento Cheat Sheet, how to add a magento admin user, directly thorugh SQL Thanks to Atwix [http://www.atwix.com], i found the SQL which is needed to create a magento admin user [http://www.atwix.com/magento/reset-admin-password-mysql/]. Cheat sheet for me: SET @fistname = 'Fabian'; SET @lastname

Magento

NOT LOGGED IN with ID 4

Standard customer group with "wrong" id and the consequences Yesterday I debugged an interessting behaviour: All categories were shown in the shop, no products. If you request the product directly /catalog/product/view/id/12345 you found the product and everything was shown. The standard errors were tested:

Magento

Joining a flat table on EAV

How to use the Mage_Eav_Model_Entity_Collection_Abstract::joinTable() method to join a flat table on a magento EAV collection Joining a "normal" (aka flat table) to a magento EAV table is easy - if you know how to do. As always there are a lot

Magento

Add Address To Registration

TL;DR Thanks to Steven Henk Don [http://www.shdon.com/blog/2011/06/24/magento-show-address-fields-in-account-creation-form] <customer_account_create> <reference name="customer_form_register"> <action method="setShowAddressFields"> <param>true</param> </action> </reference>

Magento

$file kills setup script

It is possible to change important and used variables inside the setup model while installing I implemented a data-setup script today. It starts with defining a variable: $file = 'var/import/sample.csv'; The error When magento was called, I got this error: [message:protected] => Warning: Illegal string

Magento

Array Union Operator

> Use the Union Operator to fix a magento bug These days I found a bug in magento [http://www.magentocommerce.com/bug-tracking/issue/?issue=7419]. The bug Magento has a method in Mage_Core_Helper_Data to removeAccents: public function removeAccents($string, $german=false) { if (empty($replacements[$german])) { $subst

Magento

IE users are logged out by multiple uploader

Scenario We upload images via Multiple-File-Uploader in the magento backend. The upload went on the first look well, the image is shown in the table under the other images. As I hopefully wrote here [https://blog.fabian-blechschmidt.de/articles/Magentos-Flex-Uploader.html] the images are loaded from the server in full

bundle product

Price of Bundle Product

We have a template and echoing prices of products. The products are of differenct kind. Simple product, bundle product, etc. To get the price of a simple product you just call $_product->getPrice(); When you call this method on a bundle product, it returns 0.00. So how to

EAV

Remove Values From Attribute

Today I had to change the values of a magento product attribute. Attribute before I had an attribute color with the values: * aqua * black * blue * fuchsia * ... (all other CSS2.1 color names) And I had to change it to german values. So I had a look into $installer->addAttribute(

Create a Magento Admin User

I copied the local.xml file from one magento to another and changed the database. Afterwards I accessed the magento installation http://shop.dev. Magento run all his update and install scripts. Afterwards I had two problems: 1. I had no admin user. The solution, how to create one I

Magento

Parameters of Varien_Data_Form?

Why do I write this? Because I had the problem a few hours ago that no form was rendered in my backend formular. And as a few of you may know, the FireGento GermanSetup Team [https://github.com/firegento/firegento-germansetup] met today. Noone of us knew instantly why. So here

Security

German OWASP Day 2012

Ich war gestern auf dem German OWASP Day 2012. Die OWASP [http://www.owasp.org] ist das "Open Web Application Security Project" [http://www.owasp.org]. Eine offene, kostenlose Organisation, die Security in der IT voranbringen will. Es folgen Notizen. Keynote: Volkmar Lotz (SAP) Part 1: Build Knowledge

Magento Hackathon in Munich

Overview Thanks to all the sponsors, we had a great weekend in Munich. Sponsors Jarlssen [http://www.jarlssen.de/] In Jarlssen's [http://www.jarlssen.de/] office, we had a lot of space to develope and extend together extension. Anolo [http://www.anolo.de/magento-hackathon.html] The energy was

Magento

Ikonoshirt_CustomAdminNotifications

Looking for an easy way to add your Magento_AdminNotifications? Here it is. The readme is already in markdown and I think readable. So have a look. I pushed the extension to github [https://github.com/ikonoshirt/CustomAdminNotifications] . Ikonoshirt_CustomAdminNotifications As I wrote in my blog [https://blog.fabian-blechschmidt.de/

Magento

Multiselect Bug in the backend

In Magento version < 1.7.0.0-alpha1 it is not possible to empty a multiselect. In the adminbackend in Magento is a bug, which prevents a multiselect to become empty. <select> A <select> element is not submited, if no option is selected. To submit a

Magento

Adminnotification or Magento is phoning home.

How this feature works and what we should do with it Mage_Adminnotification There is this tiny module, which goes us on our nerves all the time we install a new magento. It is called Mage_Adminnotification. If you don't know, what I'm talking about, maybe

Magento

EAV attributes, default values and source models

EAV Attribute I tried to add an EAV attribut [http://www.magentocommerce.com/knowledge-base/entry/magento-for-dev-part-7-advanced-orm-entity-attribute-value] , set a default value and that without using a source model, set this options: $this->addAttribute('customer', 'customer_type', array( 'type' => 'int' 'option&

Magentos Flex File Uploader

Magento has a multiple file uploader in the admin backend written in flash and action script. It communicates with the website via JavaScript. File Uploader Does anybody had a look on these uploader? I had it yesterday, because I ported it to the frontend customer area. I implemented a check,

Magento

Remove the coupon field from the cart

The solution of this is at the end I monitor "magento" on twitter. Sometimes I read the tweets. A few minutes ago I found a tweet to a blog article which describes how to remove the coupon field from the cart. It starts with: > There is no

Mythen und Fakten über Developer Driven Development

Von TDD zu BDD TDD schreibt technische Tests, die dafür sorgen, dass die Komponenten tun, was der Entwickler von Ihnen möchte. Das ist ein Problem, wenn die Anwendung hinterher nicht tut, wofür sie eigentlich gedacht ist. BDD setzt früher an, nämlich beim späteren Benutzer, mit dem man zusammen das Verhalten