snipe-it/app/Models/Component.php

<?php
namespace App\Models;

use App\Models\Traits\Searchable;
use App\Presenters\Presentable;
use Illuminate\Database\Eloquent\SoftDeletes;
use Watson\Validating\ValidatingTrait;

/**
 * Model for Components.
 *
 * @version    v1.0
 */
class Component extends SnipeModel
{
    protected $presenter = 'App\Presenters\ComponentPresenter';
    use CompanyableTrait;
    use Loggable, Presentable;
    use SoftDeletes;

    protected $dates = ['deleted_at', 'purchase_date'];
    protected $table = 'components';

    /**
     * Set static properties to determine which checkout/checkin handlers we should use
     */
    public static $checkoutClass = null;
    public static $checkinClass = null;

    
    /**
    * Category validation rules
    */
    public $rules = array(
        'name'        => 'required|min:3|max:255',
        'qty'     => 'required|integer|min:1',
        'category_id' => 'required|integer',
        'company_id'  => 'integer|nullable',
        'purchase_date'  => 'date|nullable',
        'purchase_cost'   => 'numeric|nullable',
    );

    /**
    * Whether the model should inject it's identifier to the unique
    * validation rules before attempting validation. If this property
    * is not set in the model it will default to true.
    *
    * @var boolean
    */
    protected $injectUniqueIdentifier = true;
    use ValidatingTrait;

    /**
     * The attributes that are mass assignable.
     *
     * @var array
     */
    protected $fillable = [
        'category_id',
        'company_id',
        'location_id',
        'name',
        'purchase_cost',
        'purchase_date',
        'min_amt',
        'order_number',
        'qty',
        'serial',
    ];

    use Searchable;
    
    /**
     * The attributes that should be included when searching the model.
     * 
     * @var array
     */
    protected $searchableAttributes = ['name', 'order_number', 'serial', 'purchase_cost', 'purchase_date'];

    /**
     * The relations and their attributes that should be included when searching the model.
     * 
     * @var array
     */
    protected $searchableRelations = [
        'category'     => ['name'],
        'company'      => ['name'],
        'location'     => ['name'],
    ];      

    public function location()
    {
        return $this->belongsTo('\App\Models\Location', 'location_id');
    }

    public function assets()
    {
        return $this->belongsToMany('\App\Models\Asset', 'components_assets')->withPivot('id', 'assigned_qty', 'created_at', 'user_id');
    }

    public function admin()
    {
        return $this->belongsTo('\App\Models\User', 'user_id');
    }

    public function company()
    {
        return $this->belongsTo('\App\Models\Company', 'company_id');
    }


    public function category()
    {
        return $this->belongsTo('\App\Models\Category', 'category_id');
    }

    /**
    * Get action logs for this consumable
    */
    public function assetlog()
    {
        return $this->hasMany('\App\Models\Actionlog', 'item_id')->where('item_type', Component::class)->orderBy('created_at', 'desc')->withTrashed();
    }


    public function numRemaining()
    {
        $checkedout = 0;

        foreach ($this->assets as $checkout) {
            $checkedout += $checkout->pivot->assigned_qty;
        }


        $total = $this->qty;
        $remaining = $total - $checkedout;
        return $remaining;
    }   

    /**
    * Query builder scope to order on company
    *
    * @param  Illuminate\Database\Query\Builder  $query  Query builder instance
    * @param  text                              $order       Order
    *
    * @return Illuminate\Database\Query\Builder          Modified query builder
    */
    public function scopeOrderCategory($query, $order)
    {
        return $query->join('categories', 'components.category_id', '=', 'categories.id')->orderBy('categories.name', $order);
    }

    /**
    * Query builder scope to order on company
    *
    * @param  Illuminate\Database\Query\Builder  $query  Query builder instance
    * @param  text                              $order       Order
    *
    * @return Illuminate\Database\Query\Builder          Modified query builder
    */
    public function scopeOrderLocation($query, $order)
    {
        return $query->leftJoin('locations', 'components.location_id', '=', 'locations.id')->orderBy('locations.name', $order);
    }


    /**
    * Query builder scope to order on company
    *
    * @param  Illuminate\Database\Query\Builder  $query  Query builder instance
    * @param  text                              $order       Order
    *
    * @return Illuminate\Database\Query\Builder          Modified query builder
    */
    public function scopeOrderCompany($query, $order)
    {
        return $query->leftJoin('companies', 'components.company_id', '=', 'companies.id')->orderBy('companies.name', $order);
    }
}