QR_code_generator/app/Support/HasObjectsTrait.php

103 lines
4.1 KiB
PHP

<?php
namespace App\Support;
use App\Models\Objects\NirObject;
use App\Models\Objects\ObjectType;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\MorphToMany;
trait HasObjectsTrait {
public function objects(): MorphToMany {
return $this->morphToMany(NirObject::class, 'objectable')->withPivot(['ord', 'group'])->orderByPivot('ord')->withTimestamps();
}
public function objectsByGroup($group = null): MorphToMany {
return $this->objects()->wherePivot('group', '=', $group ?? 'default');
}
public function getObjectAttribute() {
return $this->objects()->first();
}
public function getObject($typeName, $group = null): ?Model {
if ($type = ObjectType::byName($typeName)->first()) {
return $this->objectsByGroup($group ?? 'default')->where(['type_id' => $type->id])->first() ?? $this->createObject($typeName, null, $group ?? 'default');
}
return null;
}
public function createObject($typeName, $ord = null, $group = null): ?Model {
if (($type = ObjectType::byName($typeName)->first()) && ($object = NirObject::create(['type_id' => $type->id]))) {
$this->attachObject($object, $ord, $group);
return $object;
}
return null;
}
public function attachObject(NirObject $object, $ord = null, $group = null) {
$group = $group ?? 'default';
$ord = ($ord === null) ? $this->getMaxObjectOrd($group) : $ord;
$this->moveObjectsSet('forward', $ord, null, $group);
$this->objects()->attach($object->id, ['ord' => $ord ?? 0, 'group' => $group]);
}
public function getMaxObjectOrd($group = null): int {
$res = $this->objectsByGroup($group)->max('ord');
return ($res !== null) ? ($res + 1) : 0;
}
public function moveObject(NirObject $object, $ord, $group = null) {
$currentGroup = $object->currentGroup($this);
$group = $group ?? $currentGroup;
$currentOrd = $object->currentOrd($this);
if ($group === $currentGroup) {
($ord > $currentOrd) ? $this->moveObjectsSet('backward', $currentOrd, $ord, $group) : $this->moveObjectsSet('forward', $ord, $currentOrd, $group);
} else $this->moveObjectsSet('forward', $ord, null, $group);
$this->objects()->updateExistingPivot($object, ['ord' => $ord, 'group' => $group ?? 'default']);
$this->trimObjectIndexes([$group, $currentGroup]);
}
public function moveObjectsSet($dir = 'forward', $ordFrom = null, $ordTo = null, $group = null) {
$query = $this->objectsByGroup($group);
if ($ordFrom !== null) $query->wherePivot('ord', '>=', $ordFrom);
if ($ordTo !== null) $query->wherePivot('ord', '<=', $ordTo);
$query->get()->each(function($object) use($dir) {
$this->objects()->updateExistingPivot($object, ['ord' => ($dir === 'forward') ? ($object->pivot->ord + 1) : ($object->pivot->ord - 1)]);
});
}
public function trimObjectIndexes($groups) {
collect(is_array($groups) ? $groups : [$groups])->unique()->each(function($group) {
$this->objectsByGroup($group)->orderByPivot('ord')->each(function($object, $index) {
if ($object->pivot->ord !== $index) $this->objects()->updateExistingPivot($object, ['ord' => $index]);
});
});
}
public function copyObjectsFromObjectable($objectable) {
$objectable->objects->each(function($object) {
if ($clone = $object->clone()) $this->objects()->attach($clone->id, ['ord' => $object->pivot->ord, 'group' => $object->pivot->group]);
});
}
public function getValue($fieldName) {
return $this->object ? $this->object->getValue($fieldName) : null;
}
public function setValue($fieldName, $value) {
return $this->object ? $this->object->setValue($fieldName, $value) : null;
}
public function setValues(array $values) {
return $this->object ? $this->object->setValues($values) : null;
}
public function addValue($fieldName, $value) {
return $this->object ? $this->object->addValue($fieldName, $value) : null;
}
}