Web Development

1) clear cache  :  php bin/magento cache:flush

2) reindex :  php bin/magento indexer:reindex

3) cmd to deploy static data  :  php bin/magento setup:static-content:deploy  en_US en_AU

4) show which mode is active developer or production

         php bin/magento deploy:mode:show

        set developer mode :  php bin/magento deploy:mode:set developer
        set production mode :php bin/magento deploy:mode:set production

5) check module status
     php bin/magento module:status

6) Enable module
       php bin/magento module:enable Your_modulename --clear-static-content
       eg. php bin/magento module:enable Rain_Affiliate --clear-static-content

7) Dissable module
      php bin/magento module:disable Magento_Weee

8 ) After install module  you have to run this 2  command
        php bin/magento setup:upgrade
        php bin/magento setup:di:compile

please follow the step as i show below

This code is for make you url short through google API


<?php

// Declare the class
class GoogleUrlApi {

public $key=your key
// Constructor
function GoogleURLAPI($apiURL = 'https://www.googleapis.com/urlshortener/v1/url') {
// Keep the API Url

$this->apiURL = $apiURL.'?key='.$this->key;
}

// Shorten a URL
function shorten($url) {
// Send information along
$response = $this->send($url);
// Return the result
return isset($response['id']) ? $response['id'] : false;
}

// Expand a URL
function expand($url) {
// Send information along
$response = $this->send($url,false);
// Return the result
return isset($response['longUrl']) ? $response['longUrl'] : false;
}

// Send information to Google
function send($url,$shorten = true) {
// Create cURL
$ch = curl_init();
// If we're shortening a URL...
if($shorten) {
curl_setopt($ch,CURLOPT_URL,$this->apiURL);
curl_setopt($ch,CURLOPT_POST,1);
curl_setopt($ch,CURLOPT_POSTFIELDS,json_encode(array("longUrl"=>$url)));
curl_setopt($ch,CURLOPT_HTTPHEADER,array("Content-Type: application/json"));
}
else {
curl_setopt($ch,CURLOPT_URL,$this->apiURL.'&shortUrl='.$url);
}
curl_setopt($ch,CURLOPT_RETURNTRANSFER,1);
// Execute the post
$result = curl_exec($ch);
// Close the connection
curl_close($ch);
// Return the result
return json_decode($result,true);
}
}



// Create instance with key
$key = 'AIzaSyDUtkDIQ6uK7GCE68Lji_eQE9lPlo3Lk5Q';
$googer = new GoogleURLAPI();

// Test: Shorten a URL
$shortDWName = $googer->shorten("http://americanentrepreneurship.com/nj/entrepreneurs-featured/university-entrepreneurial-activities-draw-alumni-involvement");
echo $shortDWName; // returns http://goo.gl/i002
echo "<br>";
// Test: Expand a URL
$longDWName = $googer->expand($shortDWName);
echo $longDWName; // returns https://davidwalsh.name


?>

Create virtual host in local  pc for you website in ubuntu

1) open you terminal with sudo su

2) cd /etc/apache2/sites-available/   paste this into your terminal .

3) sudo cp 000-default.conf example1.com.conf

4) go to folder  /etc/apache2/sites-available/ and open file example1.com.conf into any editor  you want

5) than  paste below code

<VirtualHost *:80>
ServerAdmin webmaster@localhost
DocumentRoot /var/www/html/example1/
ServerName example1.dev
ServerAlias www.example1.dev
ErrorLog ${APACHE_LOG_DIR}/error.log
CustomLog ${APACHE_LOG_DIR}/access.log combined
</VirtualHost>
6) save the file asked for password enter your root password .


7) open your terminal and run sudo a2ensite example1.com.conf


8) sudo systemctl restart apache2

or

sudo service apache2 restart

9) open file /etc/hosts
 
  enter this 2 line

   192.168.1.30 example1.dev
   192.168.1.30 www.example1.dev
   #Note: 192.168.1.30 is my pc ip so you write your ip 

// add product image...
if(count($_FILES['files']['tmp_name']) > 1){
for($i=0;$i < count($_FILES['files']['tmp_name']);$i++ ){
      $image = new Image();
      $url = $_FILES['files']['tmp_name'][$i];
     $shops = Shop::getShops(true, null, true);
$image->id_product = $id_product;
$image->position = Image::getHighestPosition($id_product) +1 ;
if($i==0){
$image->cover = true; // or false;
} else {
$image->cover = false; // or false;
}
if (($image->validateFields(false, true)) === true &&($image->validateFieldsLang(false, true)) === true && $image->add()) {
$image->associateTo($shops);
if (!$this->copyImg($id_product, $image->id, $url)){
$image->delete();
}
//$combination = new Combination((int)$idProductAttribute);
//$combination->setImages($image->id);
}
}
} else {
$image = new Image();
$url = $_FILES['files']['tmp_name'][0];
$shops = Shop::getShops(true, null, true);
$image->id_product = $id_product;
$image->position = Image::getHighestPosition($id_product) + 1;
$image->cover = true; // or false;
if (($image->validateFields(false, true)) === true &&($image->validateFieldsLang(false, true)) === true && $image->add()) {
$image->associateTo($shops);
if(!$this->copyImg($id_product, $image->id, $url)){
$image->delete();
}
//$combination = new Combination((int)$idProductAttribute);
//$combination->setImages($image->id);
}
}
// add product image...

$attributes=array();

$attribute is a all attribute id wich you selected at the time of product add.
$p is product id
if(count(Tools::getValue('attribute'))){
$attributes=Tools::getValue('attribute');
$i=0;
$combinationAttributes = [];
foreach ($attributes as $key => $value) {
if($value==0) continue;
$combinationAttributes[] = $value;
}
if(!empty($combinationAttributes) && !$p->productAttributeExists($combinationAttributes)){
$price =0;
$weight = 0;
$ecotax = 7;
$unit_price_impact = 0;
$quantity = 1;
$reference = "";
$supplier_reference = "";
$ean13 = "";
$default = true;
$idProductAttribute = $p->addProductAttribute(
(float)$price,
(float)$weight,
$unit_price_impact,
(float)$ecotax,
(int)$quantity,
"",
strval($reference),
strval($supplier_reference),
strval($ean13),
$default,
NULL,
NULL,
1,
"");
$p->addAttributeCombinaison($idProductAttribute, $combinationAttributes);
}
}

hello the below code is to add new product in PrestaShop



                                $p = new Product;
$p->name = Tools::getValue('name');
$p->id_category_default = Tools::getValue('category');
$p->indexed = 1;
$p->active = Tools::getValue('active');
$p->redirect_type = '404';
$p->visibility = 'both';
$p->id_supplier = 0;
$p->reference = strtolower(Tools::getValue('name'));
// $p->link_rewrite = array(
// 1 => strtolower(Tools::getValue('name')),
// 2 => strtolower(Tools::getValue('name')),
// ); // link rewrite must be array with every uses languages
//$product->minimal_quantity = 1;
//$product->show_price = 1;
$p->link_rewrite = array((int)(Configuration::get('PS_LANG_DEFAULT')) => Tools::link_rewrite(Tools::getValue('name')));
$p->quantity = 1;
$p->price = Tools::getValue('price');
$p->description = Tools::getValue('Description');
$p->description_short = Tools::getValue('summary');
$p->id_sponser = $this->context->customer->id;
$p->date_add = date('Y-m-d H:i:s');
$p->date_upd = date('Y-m-d H:i:s');
$p->add();
$p->addToCategories(2,Tools::getValue('category'));