<?php
namespace App\Http\Controllers\student;
use App\Http\Controllers\Controller;
use App\Models\CartItem;
use App\Models\Coupon;
use App\Models\Course;
use App\Models\Enrollment;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Session;
class CartController extends Controller
{
public function index(Request $request)
{
// has any coupon then validate coupon
if (request()->has('coupon')) {
$code = request()->query('coupon');
$coupon = Coupon::where('code', $code)->first();
if (! $coupon) {
Session::flash('error', get_phrase('This coupon is not valid.'));
return redirect()->back();
}
if ($coupon->status && (time() >= $coupon->expiry)) {
Session::flash('error', get_phrase('Ops! coupon is expired.'));
return redirect()->back();
}
$discount = $coupon->discount;
$page_data['coupon'] = $coupon;
}
// cart items by course id
$page_data['cart_items'] = CartItem::join('courses', 'cart_items.course_id', '=', 'courses.id')
->select('cart_items.id as cart_id', 'courses.*', 'courses.id as course_id')
->where('cart_items.user_id', auth()->user()->id)->get();
$page_data['discount'] = isset($discount) ? $discount : 0;
$view_path = 'frontend.' . get_frontend_settings('theme') . '.student.cart.index';
return view($view_path, $page_data);
}
public function store($id)
{
// check personal course
if (Course::where('id', $id)->where('user_id', auth()->user()->id)->exists()) {
Session::flash('error', get_phrase('Ops! You own this course.'));
return redirect()->back();
}
// check if the course is purchased or not
if (Enrollment::where('user_id', auth()->user()->id)->where('course_id', $id)->exists()) {
Session::flash('error', get_phrase('You already purchased the course.'));
return redirect()->back();
}
// if course_id doesn't exit in cart then insert course_id
if (CartItem::where('user_id', auth()->user()->id)->where('course_id', $id)->doesntExist()) {
CartItem::insert(['user_id' => auth()->user()->id, 'course_id' => $id]);
}
// redirect back
Session::flash('success', get_phrase('Item added to the cart.'));
return redirect()->back();
}
public function delete($id)
{
// if user has selected item then delete item else redirect to cart page
$query = CartItem::where('course_id', $id)->where('user_id', auth()->user()->id);
if ($query->exists()) {
$query->delete();
Session::flash('success', get_phrase('Item removed from cart.'));
} else {
Session::flash('error', get_phrase('Data not found.'));
}
return redirect()->back();
}
}