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<?php
namespace App\Modules\Users\Repositories;


use App\Modules\Postcodes\Models\Postcode;
use App\Modules\Postcodes\Models\TransportCost;
use App\User;

class ApiRepository
{

    /**
     * Calculate cost of transport
     *
     * @param $postcode
     * @param $therapistIds
     * @param int $quantity
     * @return float|int
     */
    public function cost_of_transport($post_code,$therapistIds,$quantity=1)
    {

        //initialize default cost value
        $cost = 0;


        //get massage location district
        $postcode = Postcode::where('postcode',strtolower($post_code))->first();

        $postcode_district = $postcode->zone->district()->first();

        //get selected therapists
        $users = User::whereIn('id',$therapistIds)->get();

        //calculate transport cost for each selected therapist
        foreach($users as $user){
            $district = $user->profile->district;
            $transportCost = TransportCost::where('from_id',$district->id)
                ->where('to_id',$postcode_district->id)
                ->first();
            $cost += $transportCost->price;
        } //endforeach

        //return cost
        if (!$cost)
            return 0;

        $costValue = $cost;
        if ($quantity>1)
            $costValue = $costValue/2;

        return (float)$costValue;
    }

}