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<?php |
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namespace Backpack\MenuCRUD\app\Models; |
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use Backpack\CRUD\app\Models\Traits\CrudTrait; |
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use Illuminate\Database\Eloquent\Model; |
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class MenuItem extends Model |
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{ |
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use CrudTrait; |
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protected $table = 'menu_items'; |
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protected $fillable = ['name', 'type', 'link', 'page_id', 'parent_id']; |
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public function parent() |
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{ |
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return $this->belongsTo('Backpack\MenuCRUD\app\Models\MenuItem', 'parent_id'); |
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} |
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public function children() |
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{ |
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return $this->hasMany('Backpack\MenuCRUD\app\Models\MenuItem', 'parent_id'); |
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} |
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public function page() |
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{ |
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return $this->belongsTo('Backpack\PageManager\app\Models\Page', 'page_id'); |
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} |
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/** |
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* Get all menu items, in a hierarchical collection. |
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* Only supports 2 levels of indentation. |
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*/ |
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public static function getTree() |
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{ |
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$menu = self::orderBy('lft')->get(); |
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if ($menu->count()) { |
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foreach ($menu as $k => $menu_item) { |
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$menu_item->children = collect([]); |
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foreach ($menu as $i => $menu_subitem) { |
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if ($menu_subitem->parent_id == $menu_item->id) { |
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$menu_item->children->push($menu_subitem); |
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// remove the subitem for the first level |
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$menu = $menu->reject(function ($item) use ($menu_subitem) { |
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return $item->id == $menu_subitem->id; |
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}); |
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} |
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} |
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} |
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} |
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return $menu; |
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} |
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public function url() |
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{ |
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switch ($this->type) { |
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case 'external_link': |
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return $this->link; |
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break; |
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case 'internal_link': |
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return is_null($this->link) ? '#' : url($this->link); |
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break; |
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default: //page_link |
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if ($this->page) { |
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return url($this->page->slug); |
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} |
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break; |
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} |
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} |
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} |
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Our type inference engine in quite powerful, but sometimes the code does not provide enough clues to go by. In these cases we request you to add a
@return
annotation as described here.