Building xmpp (jabber) app for Firefox OS – Part1

In the last month everybody is talking about instant messenger. There are some for Firefox OS, but not really good ones. Often you are bound to one service. But with xmpp you can create your account at one of hundreds of servers all over the world.large It’s just a protocol. A little bit like email. My client talks to my server, my server to the server of my contact and the server of my contact with the client of my contact. You can inform your self about jabber at jabber.org. I would like to build a xmpp (jabber) app for Firefox OS. The problem: I didn’t know much about xmpp and I’m not the best javascript developer. The first problem will be solved in the second part of this post, but I want to build the basic structure of the app in the first part. I did read Quick Guide For Firefox OS App Development from Andre Garzia. The book is pretty good, but like explained in the book it isn’t always best practice. But it works. So I have build my app a little bit like explained in this book. At the moment I have a Alcatel One Touch Fire with Firefox OS 1.1.0.0-prerelease. The ugliest phone you can imagine, please never buy such a shit. I just use it, cause I guess Firefox OS can maybe the next revolution for mobile OS. It’s pretty hard to work with such a phone if you have used a iphone since 4 years.

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Building Lesti_Fpc2

I did start building Lesti_Fpc2. I always wanted a flexible and most compatible solution for Magento. That was never easy. So in Lesti_Fpc I did use the event controller_action_layout_generate_blocks_before as anchor. Just to explain, as anchor I mean the point were the Full Page Cache stops normal behavior of Magento and sends cached response. Normally you want to have this anchor as early as possible. My anchor was very flexible, but also not that fast as I expected.

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Fuzzy Fulltext Search with Mysql

I just was thinking about Fuzzy Search and why it isn’t possible in mysql. Sure there is SOUNDEX in Mysql, but that’s not what I want. I want search results from the Levenshtein distance. But Mysql didn’t has such a function. I guess the best solution would be a search server like SOLR or Elasticsearch. But on a shared hosting you haven’t such a cool thing. A possible solution is to return all results of the table and work with the levenshtein function of php. I guess in the most cases this is the best solution. But I just want to test an other way, I guess maybe a very stupid way.

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Lesti::Fpc – Magento 1.7 and the Welcome Message

The Welcome Message in Magento 1.7 is a problem for Lesti::Fpc. You can find the reason in app/design/frontend/base/default/template/page/html/header.phtml.

<!-- ... -->
<p class="welcome-msg">< ?php echo $this->getWelcome() ?> < ?php echo $this->getAdditionalHtml() ?></p>
<!-- ... -->

The welcome message is just a function of the header block. Lesti::Fpc needs the welcome message in a seperated block. In Magento 1.8 this is solved and the name of the block is welcome. In Magento 1.7 there is a semi-solution in core, we just have to give a little help.

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Lesti::Fpc and Miss Uri Params

I have released Lesti::Fpc 1.1.5. What is new in this version? I have add a new field in the configurations. Miss Uri Params, not a really creative and good name. The idea behind this parameters is: No request with these parameters will be cached. For example:

limit=/[0-9]+/

It’s getting a little bit complicated. All Miss Uri Param will be seperated by comma and every parameter is sperated with an = from a regular expression. Every request with the parameter limit as an integer will miss the Fpc. I know it makes the configurations complexer, but I guess it will help somebody.

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Bookreview: PHP Data Persistence with Doctrine 2 ORM

Today I want to make a little review about PHP Data Persistence with Doctrine 2 ORM from Michael Romer. Like I said in a few posts ago, I just developed Magento Shops and worked with the Zend Framework. But there are so many cool libraries and frameworks for webdevelopers that I never tested. One of these things is the Doctrine Project.large “The Doctrine Project (or Doctrine) is a set of PHP libraries primarily focused on providing persistence services and related functionality.”wikipedia.org There isn’t any other book outside for Doctrine. Maybe, because the documentation is very good. But I wanted a german. I know, I’m presenting the english one, but I did read the german version. If I buy a book, I expect from the author not only knowledge about the a framework or library. I also expect things like common styleguide and some practical experience. The book is published by leanpub. A very cool publisher for ebooks about IT stuff. You just have to write a ebook and can publish it over leanpub. The books will be published in the working progress, often you just have 10% of the book and it will grow. They are not that expensive, but the main problem is, the books aren’t that professional.

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Where is app/etc/modules/<module>.xml in Magento2

I just wanted to write my first Hello World extension in Magento2, but it wasn’t that easy. The normal way in Magento is to create a <module>.xml in app/etc/modules. For example my extension should have the Name Lesti_HelloWorld, I would create app/etc/modules/Lesti_HelloWorld.xml with the following content:

< ?xml version="1.0"?>
<config>
    <modules>
        <lesti_helloworld>
            <active>true</active>
            <codepool>community</codepool>
            <depends>
                <mage_core></mage_core>
            </depends>
        </lesti_helloworld>
    </modules>
</config>

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