Post by dfumagalli » Sat Jul 26, 2014 1:20 am

Hello,

I need to add two varchar fields to che checkout, those fields are an extension to the customer address record. I expect to have to modify the oc_order and oc_address tables at a minimum.

Now, despite I think adding such fields is a common need in OpenCart, I haven't found a single howto or tutorial that is either complete or relatively recent (OpenCart 1.5.6+). I am not talking about adding a "Mr/Mrs" field in the customer or contact info (some tutorials about that are out there) but to adding to address and thus checkout.

I know there is at least 1 commercial mod to do that, but I have to perform so many convoluted operations it'd be hard to explain anyone the hundred or so company-imposed rules I had to code in the current OpenCart website. Furthermore the website has to interface with a proprietary CRM.

So I have to do it by myself.
I have found a 2012 discussion that mentions this task and then another that seems more recent.

All what I ask is: are the lists of files to edit, mentioned in those posts, complete and correct? Since they are different, which one is closest to being right?

Thanks in advance.

Heavy OpenCart Customizations. Current project in progress: fleurworld.com


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Post by IP_CAM » Sat Jul 26, 2014 11:29 pm

here is a good instruction on how to do it.
http://forum.opencart.com/viewtopic.php?f=29&t=2648

It's not as easy as it may look at first view, if one is a Code-Newbie. I played around with the content of the 'Date of birth' DOB-VqMod (-Content, hardcoded) to get a little more familiar with the matter some time ago, but I experienced frequently DOB-Errors, due to not having all code implemented, as/where it should have been. So, for the moment, I forgot about 'such' Mod's..., using existing, but not used, form fields and renaming their 'Purpose'.

http://www.opencart.com/index.php?route ... n_id=16473

get some Insider-Info by checking content of such Options as well, it helps to understand the logics...

http://www.opencart.com/index.php?route ... n_id=17829

http://www.opencart.com/index.php?route ... on_id=6187

http://www.opencart.com/index.php?route ... n_id=16978

http://www.opencart.com/index.php?route ... n_id=17898

http://www.opencart.com/index.php?route ... on_id=2651

http://www.opencart.com/index.php?route ... n_id=15358

http://www.opencart.com/index.php?route ... on_id=3517

http://www.opencart.com/index.php?route ... on_id=2651

http://www.opencart.com/index.php?route ... n_id=11702


Good Luck

Ernie

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Post by dfumagalli » Mon Jul 28, 2014 4:03 pm

Thank you so much!

The last link you posted is a good start to what I need to do.

I'll start with that, then I'll have to figure out where there is missing code. In fact, I have counted how many times the "address_1" string appears througout OpenCart. Out of all the address class fields, I picked it because it is quite unique so I won't get false positives.
The result: "address_1" is present in 216 (!!!) OpenCart 1.5.6 files.

Thinking about it, the totally basic and expected operation (in any database operated software) to add 1 new field looks quite daunting indeed!

Heavy OpenCart Customizations. Current project in progress: fleurworld.com


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