rolling-updates.php

              
<?php 
// we have a product upload record in our db. That upload record has things like:
//slug, zipfile, current_verison, wordpress_version_required, test_to, upgrade_notice etc
  
// when a update request comes in we run our checks.
  
// for example if we are checking for a legacy version
$is_legacy = false;
$latest_legacy_version = '5.12.8';
if(version_compare( '6.0.0' , $incoming_version ) ){
    $is_legacy = true;
}

// If we only want to give to 10% of the of the incoming request, our licnese id are sequential so we check the last digit value
// not sure how scientific that is but say we only want to do 10%, I say if the licnese id ends with a 1,
// If we want to do 20% the we check if in array like array(1,2);
// for example if we are checking for a legacy version
$license_id = (string)2468; // type casting int to string
$part_of_sample = false;
$allowed_range = array(1,2)
$sample_legacy_version = '5.12.8';
if(in_array($license_id[strlen($license_id)-1],$allowed_range)  ){
    $part_of_sample = true;
}

// When we get the download we look to see if we have set any flags 
// then if a flag is set pull an altenate variable form the db record
foreach ($product->uploads as $u) {
    if ($u->slug == $slug_short) {
        $new_version      = $u->current_version;
        // check for flags
        if($is_legacy){
            $new_version  = $latest_legacy_version;
        }
        $required_version = trim($u->plugin_version_required);


        $s3client = Storage::disk('s3legacy')->getDriver()->getAdapter()->getClient();
        $s3cmd = $s3client->getCommand('GetObject', [
        'Bucket' => 'secure.seedprod.com',
        'Key'    => $slug_short.'-'.$new_version.'.zip'
    ]);
        $s3request = $s3client->createPresignedRequest($s3cmd, '+8 hours');
        $download_link = (string) $s3request->getUri();

        $name             = $u->name;
        $requires         = $u->requires;
        if(!empty($u->test_to)){
            $tested           = $u->test_to;
        }
        $last_updated     = $u->last_updated;
        $upgrade_notice   = $u->upgrade_notice;
    }
}