osb/app/Classes/External/Supplier.php

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<?php
namespace App\Classes\External;
use GuzzleHttp\Client;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Support\Arr;
use Illuminate\Support\Collection;
use Illuminate\Support\Facades\Cache;
use Illuminate\Support\Facades\Log;
abstract class Supplier
{
protected $o = NULL;
protected $_columns = [];
public function __construct(Model $o)
{
$this->o = $o;
$this->_columns = collect();
}
/**
* Connect and pull down traffic data
*
* @param array $args
* @return mixed
*/
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public function connect(array $args=[])
{
if ($x=$this->mustPause()) {
Log::error('API Throttle, waiting .',['m'=>__METHOD__]);
sleep($x);
}
$result = Cache::remember('Supplier:'.$this->o->id,86400,function() {
$client = $this->getClient();
$result = $client->request('POST',null,[
'query'=>[
$this->login_user_field=>$this->o->stats_username,
$this->login_pass_field=>$this->o->stats_password,
$this->date_field=>$this->o->stats_lastupdate,
],
/*
'headers' => [
'Accept'=>'application/json',
],
*/
]);
$api_remain = Arr::get($result->getHeader('X-RateLimit-Remaining'),0);
$api_reset = Arr::get($result->getHeader('X-RateLimit-Reset'),0);
if ($api_remain == 0) {
Log::error('API Throttle.',['m'=>__METHOD__]);
Cache::put('api_throttle',$api_reset,now()->addSeconds($api_reset));
}
return $result->getBody()->getContents();
});
return $result;
}
/**
* Return the API HTTP client
* @return Client
*/
protected function getClient(): Client
{
return new Client(['base_uri'=>$this->o->stats_url]);
}
/**
* Return the expected columns from a supplier traffic import
*
* @param string $line
* @param Collection $expect
* @return Collection
*/
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public function getColumns(string $line,Collection $expect): Collection
{
$fields = collect(explode(',',$line))->filter();
$this->_columns = $expect;
if ($this->_columns->diff($fields)->count()) {
abort('500','Missing columns in data: '.join('|',$this->_columns->diff($fields)->toArray()));
}
return $fields->intersect($this->_columns);
}
/**
* Return the key ID for a column
*
* @param string $key
* @return mixed
*/
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public function getColumnKey(string $key)
{
return $this->_columns->search($key);
}
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public function header(): array
{
return static::$header;
}
/**
* If the supplier has API throttling...
*
* @return mixed
*/
protected function mustPause()
{
return Cache::get('api_throttle');
}
}