snipe-it/app/models/Actionlog.php

<?php

    use Illuminate\Database\Eloquent\SoftDeletingTrait;
    use Illuminate\Support\Facades\DB;

    class Actionlog extends Eloquent
{
	use SoftDeletingTrait;
    protected $dates = ['deleted_at'];

    protected $table = 'asset_logs';
    public $timestamps = true;
    protected $fillable = ['created_at'];


    public function assetlog()
    {
        return $this->belongsTo('Asset','asset_id')->withTrashed();
    }

     public function uploads()
    {
        return $this->belongsTo('Asset','asset_id')->where('action_type','=','uploaded')->withTrashed();
    }

    public function licenselog()
    {
        return $this->belongsTo('License','asset_id')->withTrashed();
    }

    public function accessorylog()
    {
        return $this->belongsTo('Accessory','accessory_id')->withTrashed();
    }

	public function consumablelog()
    {
        return $this->belongsTo('Consumable','consumable_id')->withTrashed();
    }

    public function adminlog()
    {
        return $this->belongsTo('User','user_id')->withTrashed();
    }

    public function userlog()
    {
        return $this->belongsTo('User','checkedout_to')->withTrashed();
    }

    public function childlogs()
    {

        return $this->hasMany( 'ActionLog', 'thread_id' );
    }

    public function parentlog()
    {

        return $this->belongsTo( 'ActionLog', 'thread_id' );
    }

    /**
	* Check if the file exists, and if it does, force a download
	**/
    public function get_src() {

			$file = app_path().'/private_uploads/'.$this->filename;
			return $file;

    }

    /**
    * Get the parent category name
    */
    public function logaction($actiontype)
    {
        $this->action_type = $actiontype;

        if($this->save()) {
            return true;
        } else {
            return false;
        }
    }

    public function getListingOfActionLogsChronologicalOrder()
    {

        return DB::table( 'asset_logs' )
                 ->select( '*' )
                 ->orderBy( 'asset_id', 'asc' )
                 ->orderBy( 'created_at', 'asc' )
                 ->get();
    }

    public function getLatestCheckoutActionForAssets()
    {

        return DB::table( 'asset_logs' )
                 ->select( DB::raw( 'asset_id, MAX(created_at) as last_created' ) )
                 ->where( 'action_type', '=', 'checkout' )
                 ->groupBy( 'asset_id' )
                 ->get();
    }
    /**
     * scopeCheckoutWithoutAcceptance
     * @param $query
     *
     * @return mixed
     * @author  Vincent Sposato <vincent.sposato@gmail.com>
     * @version v1.0
     */
    public function scopeCheckoutWithoutAcceptance( $query )
    {

        return $query->where( 'action_type', '=', 'checkout' )
                     ->where( 'accepted_id', '=', null );
    }

}