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Filename : SPWalletController.php
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<?php

namespace App\Http\Controllers\Api;

use Illuminate\Http\Request;

use App\Http\Controllers\Controller;
use App\Models\SPWallet;
use App\Models\SPWalletTransaction;
use App\Models\User;
use Exception;
use Illuminate\Support\Facades\Log;
use Helpers;
use Illuminate\Support\Str;

/**
 * !Important!
 * All functionality around SP wallet needs to be done using SPWalletController only.
 * SPWallet and SPWalletTransaction models should not be used outside of SPWalletController.
 */
class SPWalletController extends Controller
{
    /**
     * returns SPWallet as array with balance, used to get from any other controller
     */
    public function getSPWallet(User $user){
        return $this->getSPWalletPvt($user)->toArray();
    }

    public function getEarnedSp(User $user){
        $wallet = $this->getSPWalletPvt($user);
        if(isset($wallet))
            return $wallet->getEarnedSp();
        else
            return 0;
    }

    /**
     * returns SPWallet Object with balance
     */
    private function getSPWalletPvt(User $user){
        $spWallet = SPWallet::where('user_id', $user->user_id)->first();
        if(!isset($spWallet)){
            throw new Exception("SPWallet not found for user_id: $user->user_id");
        }
        $spWallet['balance'] = 0;
        $spWalletTransaction = SPWalletTransaction::where('sp_wallet_id', $spWallet->sp_wallet_id)
            ->orderBy('created_at', 'desc')
            ->first();
        if(isset($spWalletTransaction))
            $spWallet['balance'] = $spWalletTransaction->balance;

        return $spWallet;
    }

    public function canCreditSP(User $user, $points){
        $spWallet = $this->getSPWalletPvt($user);
        if($spWallet->balance >= $points)
            return true;
        else
            return false;
    }

    /**
     * $transactionDetails = array(
     *  'transaction_title', 'ref_table', 'ref_table_id', 'description'
     * );
     */
    public function creditSP(User $user, $points, $transactionDetails = array()){
        $spWallet = $this->getSPWalletPvt($user);

        $transactionId = Str::uuid()->toString();
        $spWalletTransaction = SPWalletTransaction::create([
            'transaction_id' => $transactionId,
            'sp_wallet_id' => $spWallet->sp_wallet_id,
            'transaction_title' => $transactionDetails['transaction_title'],
            'transaction_type' => 'CREDIT',
            'ref_table' => $transactionDetails['ref_table'],
            'ref_table_id' => $transactionDetails['ref_table_id'],
            'sp' => $points,
            'sp_credit' => $points,
            'sp_debit' => 0,
            'balance' => ($spWallet->balance - $points),
            'entry_date_time'=> date('Y-m-d H:i:s'),
            'description' => $transactionDetails['description'],
        ]);
        $spWalletArray = $spWallet->toArray();
        $spWalletArray['spWalletTransaction'] = $spWalletTransaction->toArray();
        $spWalletArray['balance'] = $spWalletTransaction->balance;
        return $spWalletArray;
    }

    /**
     * $transactionDetails = array(
     *  'transaction_title', 'ref_table', 'ref_table_id', 'description'
     * );
     */
    public function debitSP(User $user, $points, $transactionDetails = array()){
        $spWallet = $this->getSPWalletPvt($user);

        $transactionId = Str::uuid()->toString();
        $spWalletTransaction = SPWalletTransaction::create([
            'transaction_id' => $transactionId,
            'sp_wallet_id' => $spWallet->sp_wallet_id,
            'transaction_title' => $transactionDetails['transaction_title'],
            'transaction_type' => 'DEBIT',
            'ref_table' => $transactionDetails['ref_table'],
            'ref_table_id' => $transactionDetails['ref_table_id'],
            'sp' => $points,
            'sp_credit' => 0,
            'sp_debit' => $points,
            'balance' => ($spWallet->balance + $points),
            'entry_date_time'=> date('Y-m-d H:i:s'),
            'description' => $transactionDetails['description'],
        ]);
        $spWalletArray['balance'] = $spWalletTransaction->balance;
        return $spWalletTransaction->toArray();
    }

}
?>