if($interval_type == "custom") {
            $startTime = $request->start_time;
            if($request->Start_Time) {
                if($request->End_Time) {
                    $invoice_list = Forms::where('seller_id', $seller_id)->whereBetween('created_at', [$request->Start_Time, $request->End_Time])->get();
                } else {
                    $invoice_list = Forms::where('seller_id', $seller_id)->where('created_at', '>=', $request->Start_Time)->get();
                }
            } else if ($request->End_Time) {
                $invoice_list = Forms::where('seller_id', $seller_id)->where('created_at', '<=', $request->End_Time)->get();
            } else {
                $invoice_list = Forms::where('seller_id', $seller_id)->get();
            }
        } else if($interval_type == "last_week") {
            $start_time = date('Y-m-d', strtotime("-1 week"));
            $invoice_list = Forms::where('seller_id', $seller_id)->where('created_at', '>=', $start_time)->get();
        } else if($interval_type == "last_month") {
            $start_time = date('Y-m-d', strtotime("-1 month"));
            $invoice_list = Forms::where('seller_id', $seller_id)->where('created_at', '>=', $start_time)->get();
        } else if ($interval_type == "anytime") {
            $invoice_list = Forms::where('seller_id', $seller_id)->get();
        } else if($interval_type == "last_year") {
            $start_time = date('Y-m-d', strtotime("-1 year"));
            $invoice_list = Forms::where('seller_id', $seller_id)->where('created_at', '>=', $start_time)->get();
        }

        foreach ($invoice_list as $invoice) {
            $tmp_ron = Items::where('form_id', $invoice->id)->sum('total_ron');
            $tmp_euro = Items::where('form_id', $invoice->id)->sum('total_eur');
            $tmp = array("total_euro" => $tmp_euro, "total_ron" => $tmp_ron);
            $total_euro += $tmp_euro;
            $total_ron += $tmp_ron;
            array_push($invoice_list_total, $tmp);
        }