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Filename : TUITWalletController.php
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<?php

namespace App\Http\Controllers\Api;

use Illuminate\Http\Request;

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

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

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

    /**
     * returns TUITWallet Object with balance
     */
    private function getTUITWalletPvt(User $user){
        $tuitWallet = TUITWallet::where('user_id', $user->user_id)->first();
        if(!isset($tuitWallet)){
            throw new Exception("TUITWallet not found for user_id: $user->user_id");
        }
        $tuitWallet['balance'] = 0;
        $tuitWalletTransaction = TUITWalletTransaction::where('tuit_wallet_id', $tuitWallet->tuit_wallet_id)
            ->orderBy('created_at', 'desc')
            ->first();
        if(isset($tuitWalletTransaction))
            $tuitWallet['balance'] = $tuitWalletTransaction->balance;

        return $tuitWallet;
    }

    public function canCreditTUIT(User $user, $points){
        $tuitWallet = $this->getTUITWalletPvt($user);
        if($tuitWallet->balance >= $points)
            return true;
        else
            return false;
    }

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

        $transactionId = Str::uuid()->toString();
        $tuitWalletTransaction = TUITWalletTransaction::create([
            'transaction_id' => $transactionId,
            'tuit_wallet_id' => $tuitWallet->tuit_wallet_id,
            'transaction_title' => $transactionDetails['transaction_title'],
            'transaction_type' => 'CREDIT',
            'ref_table' => $transactionDetails['ref_table'],
            'ref_table_id' => $transactionDetails['ref_table_id'],
            'tuit' => $points,
            'tuit_credit' => $points,
            'tuit_debit' => 0,
            'balance' => ($tuitWallet->balance - $points),
            'entry_date_time'=> date('Y-m-d H:i:s'),
            'description' => $transactionDetails['description'],
        ]);
        $tuitWalletArray = $tuitWallet->toArray();
        $tuitWalletArray['tuitWalletTransaction'] = $tuitWalletTransaction->toArray();
        $tuitWalletArray['balance'] = $tuitWalletTransaction->balance;
        return $tuitWalletArray;
    }

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

        $transactionId = Str::uuid()->toString();
        $tuitWalletTransaction = TUITWalletTransaction::create([
            'transaction_id' => $transactionId,
            'tuit_wallet_id' => $tuitWallet->tuit_wallet_id,
            'transaction_title' => $transactionDetails['transaction_title'],
            'transaction_type' => 'DEBIT',
            'ref_table' => $transactionDetails['ref_table'],
            'ref_table_id' => $transactionDetails['ref_table_id'],
            'tuit' => $points,
            'tuit_credit' => 0,
            'tuit_debit' => $points,
            'balance' => ($tuitWallet->balance + $points),
            'entry_date_time'=> date('Y-m-d H:i:s'),
            'description' => $transactionDetails['description'],
        ]);
        $tuitWalletArray['balance'] = $tuitWalletTransaction->balance;
        return $tuitWalletTransaction->toArray();
    }

}
?>