Laravel 기반의 회원 분배 시스템 개발

import Cookies from 'js-cookie'
const via = new URL(location.href).searchParams.get('via')
if (via) {
    Cookies.set('sitesauce_affiliate', via, {
        expires: 30,
        domain: '.sitesauce.app',
        secure: true,
        sameSite: 'lax'
    })
}

import axios from 'axios'
import Cookies from 'js-cookie'
const via = new URL(location.href).searchParams.get('via')
if (via) {
    axios.post(`https://app.sitesauce.app/api/affiliate/${encodeURIcomponent(this.via)}`).then(response => {
        Cookies.set('sitesauce_affiliate', response.data, { expires: 30, domain: '.sitesauce.app', secure: true, sameSite: 'lax' })
    }).catch(error => {
        if (!error.response || error.response.status !== 404) return console.log('Something went wrong')
        console.log('Affiliate does not exist. Register for our referral program here: https://app.sitesauce.app/affiliate')
    })
}

<div x-data="{ ...component() } x-cloak x-init="init()">
    <template x-if="affiliate">
        <div>
            <img :src="affiliate.avatar" class="h-8 w-8 rounded-full mr-2">
            <p>Your friend <span x-text="affiliate.name"></span> has invited you to try Sitesauce</p>
            <button>Start your trial</button>
        </div>
    </template>
</div>
<script>
import axios from &#39;axios&#39;
import Cookies from &#39;js-cookie&#39;
// 使用模板标签 $nextTick ，进行代码转换，这里特别感谢下我的朋友 Ryan 
window.component = () => ({
    affiliate: null,
    via: new URL(location.href).searchParams.get(&#39;via&#39;)
    init() {
        if (! this.via) return this.$nextTick(() => this.affiliate = Cookies.getJSON(&#39;sitesauce.affiliate&#39;))
        axios.post(`https://app.sitesauce.app/api/affiliate/${encodeURIComponent(this.via)}`).then(response => {
            this.$nextTick(() => this.affiliate = response.data)
            Cookies.set(&#39;sitesauce.affiliate&#39;, response.data, {
                expires: 30, domain: &#39;.sitesauce.app&#39;, secure: true, sameSite: &#39;lax&#39;
            })
        }).catch(error => {
            if (!error.response || error.response.status !== 404) return console.log(&#39;Something went wrong&#39;)
            console.log(&#39;Affiliate does not exist. Register for our referral program here: https://app.sitesauce.app/affiliate&#39;)
        })
    }
})
</script>

class AddAffiliateColumnsToUsersTable extends Migration
{
    /**
     * 迁移执行
     *
     * @return void
     */
    public function up()
    {
        Schema::table('users', function (Blueprint $table) {
            $table->string('affiliate_tag')->nullable();
            $table->string('referred_by')->nullable();
            $table->string('paypal_email')->nullable();
            $table->timestamp('cashed_out_at')->nullable();
        });
    }
    /**
     * Reverse the migrations.
     *
     * @return void
     */
    public function down()
    {
        Schema::table('users', function (Blueprint $table) {
            $table->dropColumn('affiliate_tag', 'referred_by', 'paypal_email', 'cashed_out_at');
        });
    }
}

Route::post('api/affiliate/{user:affiliate_tag}', function (User $user) {
    return $user->only('id', 'name', 'avatar', 'affiliate_tag');
})->middleware('throttle:30,1');

// 中间件：app/Http/Middleware/EncryptCookies.php
use Illuminate\Cookie\Middleware\EncryptCookies as Middleware;
class EncryptCookies extends Middleware
{
    /**
    * The names of the cookies that should not be encrypted
    *
    * @var array
    */
    protected $except = [
        'sitesauce_referral',
    ];
}

/**
 * 上级用户已经注册
 *
 * @param \Illuminate\Http\Request $request
 * @param \App\User $user
 */
protected function registered(Request $request, User $user)
{
    if (! $request->hasCookie('sitesauce.referral')) return;
    $referral = json_decode($request->cookie('sitesauce_referral'), true)['affiliate_tag'];
    if (! User::where('affiliate_tag', $referral)->exists()) return;
    $user->update([
        'referred_by' => $referral,
    ]);
}

class User extends Model
{
    public function referred()
    {
        return $this->hasMany(self::class, 'referred_by', 'affiliate_tag');
    }
}

public function update(Request $request)
    {
        $request->validate([
            'affiliate_tag' => ['required', 'string', 'min:3', 'max:255', Rule::unique('users')->ignoreModel($request->user())],
            'paypal_email' => ['required', 'string', 'max:255', 'email'],
        ]);
        DB::transaction(function () use ($request) {
            if ($request->input('affiliate_tag') != $request->user()->affiliate_tag) {
                User::where('referred_by', $request->user()->affiliate_tag)
                    ->update(['referred_by' => $request->input('affiliate_tag')]);
            }
            $request->user()->update([
                'affiliate_tag' => $request->input('affiliate_tag'),
                'paypal_email' => $request->input('paypal_email'),
            ]);
        });
        return redirect()->route('affiliate');
    }

use Mattiasgeniar\Percentage\Percentage;
const COMMISSION_PERCENTAGE = 20;
public function getReferralBalance() : int
{
    return Percentage::of(static::COMISSION_PERCENTAGE,
        $this->referred
            ->map(fn (User $user) => $user->invoices(false, ['created' => ['gte' => optional($this->cashed_out_at)->timestamp]]))
            ->flatten()
            ->map(fn (\Stripe\Invoice $invoice) => $invoice->subtotal)
            ->sum()
    );
}