Welcome back to the Laravel E-Commerce Project Tutorial. In this video, we will learn about creating a new coupon.

Step 1: Create a Function in the AdminController

First, let's create a new function in the AdminController:

public function add_coupon()
{        
    return view(`admin.coupon-add`);
}

Step 2: Create a Route for the Function

Next, create a route for this function:

Route::get('/admin/coupon/add',[AdminController::class,'add_coupon'])->name('admin.coupon.add');

Step 3: Create a View for Adding a New Coupon

Now, go to the resources directory and create a new view file called coupon-add.blade.php. In this file, extend the layout:

@extends('layouts.admin')
@section('content')
@endsection

Step 4: Add Content to the Coupon Add View

Now, go to the template directory and open the add-coupon.html file in a text editor. Copy the div with the class `main-content` and paste it inside the coupon-add.blade.php file, making the following changes:

@extends('layouts.admin')
@section('content')
<div class=`main-content-inner`>
    <!-- main-content-wrap -->
    <div class=`main-content-wrap`>
        <div class=`flex items-center flex-wrap justify-between gap20 mb-27`>
            <h3>Coupon infomation</h3>
            <ul class=`breadcrumbs flex items-center flex-wrap justify-start gap10`>
                <li>
                    <a href=`{{route('admin.index')}}`><div class=`text-tiny`>Dashboard</div></a>
                </li>
                <li>
                    <i class=`icon-chevron-right`></i>
                </li>
                <li>
                    <a href=`{{route('admin.coupons')}}`><div class=`text-tiny`>Coupons</div></a>
                </li>
                <li>
                    <i class=`icon-chevron-right`></i>
                </li>
                <li>
                    <div class=`text-tiny`>New Coupon</div>
                </li>
            </ul>
        </div>        
        <!-- new-category -->
        <div class=`wg-box`>
            <form class=`form-new-product form-style-1` method=`POST` action=`{{route('admin.coupon.store')}}` >
                @csrf
                <fieldset class=`name`>
                    <div class=`body-title`>Coupon Code <span class=`tf-color-1`>*</span></div>
                    <input class=`flex-grow` type=`text` placeholder=`Coupon Code` name=`code` tabindex=`0` value=`{{old('code')}}` aria-required=`true`>
                </fieldset>
                @error(`code`) <span class=`alert alert-danger text-center`>{{$message}}</span> @enderror
                <fieldset class=`category`>
                    <div class=`body-title`>Coupon Type</div>
                    <div class=`select flex-grow`>
                        <select class=`` name=`type`>
                            <option value=``>Select</option>
                            <option value=`fixed` @if(old('type')==`fixed`) {{`selected`}} @endif>Fixed</option>
                            <option value=`percent` @if(old('type')==`percent`) {{`selected`}} @endif>Percent</option>
                        </select>
                    </div>
                </fieldset>
                @error(`type`) <span class=`alert alert-danger text-center`>{{$message}}</span> @enderror
                <fieldset class=`name`>
                    <div class=`body-title`>Value <span class=`tf-color-1`>*</span></div>
                    <input class=`flex-grow` type=`text` placeholder=`Coupon Value` name=`value` tabindex=`0` value=`{{old('value')}}` aria-required=`true`>
                </fieldset>
                @error(`value`) <span class=`alert alert-danger text-center`>{{$message}}</span> @enderror
                <fieldset class=`name`>
                    <div class=`body-title`>Cart Value <span class=`tf-color-1`>*</span></div>
                    <input class=`flex-grow` type=`text` placeholder=`Cart Value` name=`cart_value` tabindex=`0` value=`{{old('cart_value')}}` aria-required=`true`>
                </fieldset>
                @error(`cart_value`) <span class=`alert alert-danger text-center`>{{$message}}</span> @enderror
                <fieldset class=`name`>
                    <div class=`body-title`>Expiry Date <span class=`tf-color-1`>*</span></div>
                    <input class=`flex-grow` type=`date` placeholder=`Expiry Date` name=`expiry_date` tabindex=`0` value=`{{old('expiry_date')}}` aria-required=`true`>
                </fieldset>  
                @error(`expiry_date`) <span class=`alert alert-danger text-center`>{{$message}}</span> @enderror              
                
                <div class=`bot`>
                    <div></div>
                    <button class=`tf-button w208` type=`submit`>Save</button>
                </div>
            </form>
        </div>
        <!-- /new-category -->
    </div>
    <!-- /main-content-wrap -->
</div>                    
</div>
@endsection

Step 5: Create a Function for Storing the Coupon

Now, go to the AdminController and create a new function for storing the coupon:

public function add_coupon_store(Request $request)
{
    $request->validate([
        'code' => 'required',
        'type' => 'required',
        'value' => 'required|numeric',
        'cart_value' => 'required|numeric',
        'expiry_date' => 'required|date'
    ]);
    $coupon = new Coupon();
    $coupon->code = $request->code;
    $coupon->type = $request->type;
    $coupon->value = $request->value;
    $coupon->cart_value = $request->cart_value;
    $coupon->expiry_date = $request->expiry_date;
    $coupon->save();
    return redirect()->route(`admin.coupons`)->with('status','Record has been added successfully !');
}

Step 6: Create a Route for Storing the Coupon

Next, create a route for this function:

Route::post('/admin/coupon/store',[AdminController::class,'add_coupon_store'])->name('admin.coupon.store');

Step 7: Add Form and Validation to the Coupon Add View

Now, go to the coupon-add.blade.php file and add the following code inside the form:

method=`POST` action=`{{route('admin.coupon.store')}}`

Display validation message:

@error(`code`) {{$message}} @enderror

After submitting the form, display the entered value:

value=`{{old('value')}}`

Step 8: Add a Link to the Coupons View

Now, go to the coupons.blade.php file and add a link to add a new coupon:

<a class=`tf-button style-1 w208` href=`{{route('admin.coupon.add')}}`><i class=`icon-plus`></i>Add new</a>

Now it's done! Let's check it out. Refresh the page and go to the URL /admin/coupon/add. Enter the coupon details, such as code, type, value, cart value, and expiry date. Click on save, and the coupon will be added.

In this way, you can create a new coupon.

That's all about creating a new coupon.