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