October 04, 2012

The life of a Fixer #2

PHP: How to convert a date into a different format

$timestamp = explode(' ',$transaction['datetime']); // 2008-04-28 17:40:19
$date = explode('-',$timestamp[0]);
$date = $date[2].'/'.$date[1].'/'.$date[0];
$time = substr($timestamp[1],0,5);
$datetime = $date.' '.$time; // 28/04/2008 17:40


Javascript: Drag and drop with different processes

So we have a callback function for a drag and drop script that was found on the web somewhere and we have a box called IN where we can drop "products" on. 

Some of the thoughts we have during development of "this solution":
  • Of course we write a single function of about 400 lines of code, it's cooler that way.
  • We need to check the drop target as it needs to have a specific ID, so we do some getElementById magic.
  • Oh crap, now we also need an OUT box. We have a couple issues here... The drop box for that one has a different ID (a '2' was appended, obviously!). Also: sometimes we have to show a prompt and the text there needs to be different. Conclusion: We can't possibly re-use the code from the other box! Let's just copy/paste all 400 lines and make a different function (ah and of course, add a '2' to the name).
  • Hmm crap... The customer seems to work with internet explorer. The one line of code that checks the drop target does not work there. Easy fix! Let's just take the entire javascript file, copy it into a "script-ie.js" file. And presto, we include that one if the customer has IE. Modifying 4 functions every time? No problem!
  • Hmm we appear to have 2 kinds of products. The ones that need to go through the ERP system and products that remain local to the shop. How do we handle that? Simple! We just add an asterisk before the name to indicate the difference. Actually we thought about this a lot, since there are way less local products, we show the asterisk for those. Our customers won't wonder at all what a "* name of the hardware" is (no there aren't any footnotes at the end of the page).
  • So now we have to ask a serial number for some of the products. How do we indicate that? Yes of course, you guessed it already! We just add another asterisk, but AFTER the product name! We cant do 2 before the name, how would we know which one stands for what? You silly! So yeah... "*I'm a local product and I need a serial*". It's gotta be clear what this means, no?

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