clrghouz/app/Models/Address.php

169 lines
3.7 KiB
PHP

<?php
namespace App\Models;
use Exception;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\SoftDeletes;
use App\Http\Controllers\DomainController;
use App\Traits\ScopeActive;
class Address extends Model
{
use ScopeActive,SoftDeletes;
/* SCOPES */
public function scopeFTNOrder($query)
{
return $query
->orderBy('region_id')
->orderBy('host_id')
->orderBy('node_id')
->orderBy('point_id');
}
/* RELATIONS */
public function system()
{
return $this->belongsTo(System::class);
}
public function zone()
{
return $this->belongsTo(Zone::class);
}
/* ATTRIBUTES */
/**
* Render the node name in full 5D
*
* @return string
*/
public function getFTNAttribute()
{
return sprintf('%s@%s',$this->getFTN4DAttribute(),$this->zone->domain->name);
}
public function getFTN3DAttribute()
{
return sprintf('%d:%d/%d',$this->zone->zone_id,$this->host_id ?: $this->region_id,$this->node_id);
}
public function getFTN4DAttribute()
{
return sprintf('%s.%d',$this->getFTN3DAttribute(),$this->point_id);
}
public function getRoleAttribute($value)
{
switch ($value) {
case DomainController::NODE_ZC;
return 'Zone';
case DomainController::NODE_RC;
return 'Region';
case DomainController::NODE_NC;
return 'Host';
case DomainController::NODE_HC;
return 'Hub';
case DomainController::NODE_PVT;
return 'PVT';
case DomainController::NODE_DOWN;
return 'DOWN';
case NULL:
return 'Node';
default:
return '?';
}
}
/* GENERAL METHODS */
/**
* Find a record in the DB for a node string, eg: 10:1/1.0
*
* @param string $ftn
* @return Address|null
* @throws Exception
*/
public static function findFTN(string $ftn): ?self
{
$ftn = self::parseFTN($ftn);
$o = (new self)->active()
->select('addresses.*')
->where('zones.zone_id',$ftn['z'])
->where('host_id',$ftn['n'])
->join('zones',['zones.id'=>'addresses.zone_id'])
->join('domains',['domains.id'=>'zones.domain_id'])
->where('zones.active',TRUE)
->where('domains.active',TRUE)
->where('addresses.active',TRUE)
->where('node_id',$ftn['f'])
->where('point_id',$ftn['p'])
->when($ftn['d'],function($query,$domain) {
$query->where('domains.name',$domain);
})
->when((! $ftn['d']),function($query) {
$query->where('domains.default',TRUE);
})
->single();
return ($o && $o->system->active) ? $o : NULL;
}
/**
* Parse a string and split it out as an FTN array
*
* @param string $ftn
* @return array
* @throws Exception
*/
public static function parseFTN(string $ftn): array
{
// http://ftsc.org/docs/frl-1028.002
if (! preg_match('#^([0-9]+):([0-9]+)/([0-9]+)(.([0-9]+))?(@([a-z0-9\-_~]{0,8}))?$#',strtolower($ftn),$matches))
throw new Exception('Invalid FTN: '.$ftn);
// Check our numbers are correct.
foreach ([1,2,3] as $i) {
if ((! is_numeric($matches[$i])) || ($matches[$i] > DomainController::NUMBER_MAX))
throw new Exception('Invalid FTN: '.$ftn);
}
if (isset($matches[5]) AND ((! is_numeric($matches[$i])) || ($matches[5] > DomainController::NUMBER_MAX)))
throw new Exception('Invalid FTN: '.$ftn);
return [
'z'=>(int)$matches[1],
'n'=>(int)$matches[2],
'f'=>(int)$matches[3],
'p'=>isset($matches[5]) && $matches[5] ? (int)$matches[5] : 0,
'd'=>$matches[7] ?? NULL
];
}
/**
* Retrieve the address session details/passwords
*
* @param string $type
* @return string|null
*/
public function session(string $type): ?string
{
static $session = NULL;
if (is_null($session)) {
$session = (new AddressZone)
->where('zone_id',$this->zone_id)
->where('system_id',$this->system_id)
->single();
}
return $session ? $session->{$type} : NULL;
}
}