How to call a function from model in controller with an OpenCart module?

Question

I hope this isn't to vague, I am still a beginner to the idea of the MVC-L framework. I'm in the process of creating an Open-cart 1.5.1.3 module, and from what I can gather OC 1.5+ will call the install() function automatically from within you controller when you first install the a module (if you provide install() function that is). Where I'm having trouble is with actually calling a function (which creates a new database table) which is located in the model from my controller function install().

Here is the code I have already:

Controller : TrademeXml

 public function install() {
    $this->load->model('model/TrademeXml');
// Create table to store TradeMe ID
$this->model_model_TradmeXml->createModuleTables();
}

Model : TradmeXml

 public function createModuleTables() {
    $query = $this->db->query("CREATE TABLE IF NOT EXISTS " . DB_PREFIX . "trademeID (tid INT(30), PRIMARY KEY(tid)");
}

The install function is called during the installation of the module, but I get the following error:

Fatal error: Call to a member function createModuleTables() on a non-object in D:\xampp\htdocs\store\admin\controller\module\TrademeXml.php

So you have your trademexml model located at `/catalog/model/model/trademexml.php` ? — Jay Gilford, May 26 '12 at 10:21
possible duplicate of [Call to a member function on a non-object](http://stackoverflow.com/questions/54566/call-to-a-member-function-on-a-non-object) — tereško, Apr 30 '13 at 18:09

score 4 · Accepted Answer · answered May 26 '12 at 21:03

4

$this->load->model('module/tradexml');
$this->model_module_tradexml->createModuleTables();

answered May 26 '12 at 21:03

Jay Gilford

15,141
5
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score 0 · Answer 2 · answered Jan 17 '13 at 19:35

0

I was missing this...

public function index() {
        $this->install();

answered Jan 17 '13 at 19:35

hram908

374
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15

How to call a function from model in controller with an OpenCart module?

2 Answers2