119 lines
3.1 KiB
PHP
119 lines
3.1 KiB
PHP
<?php
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namespace App\Livewire\Dashboard;
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use Illuminate\Support\Facades\Session;
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use Livewire\Component;
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class BulkGmail extends Component
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{
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public $email;
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public int $quantity = 10;
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public $bulkEmails = [];
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public function mount(): void
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{
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$subscriptionCheck = auth()->user()->subscribedToProduct(config('app.plans')[0]['product_id']);
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Session::put('isSubscribed', $subscriptionCheck);
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}
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public function generateBulk(): void
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{
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$this->validate([
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'email' => [
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'required',
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'email',
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'regex:/^[^@\s]+@gmail\.com$/i',
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],
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'quantity' => 'required|integer|min:10|max:500',
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]);
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if (count($this->bulkEmails) > 0) {
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$this->bulkEmails = [];
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}
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$this->bulkEmails = $this->generateDotVariants(explode('@', (string) $this->email)[0], $this->quantity);
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}
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public function downloadBulk()
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{
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// Ensure there's something to download
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if (empty($this->bulkEmails) || ! is_array($this->bulkEmails)) {
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return;
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}
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$filename = 'bulk_gmails_'.now()->format('Ymd_His').'.txt';
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$content = implode(PHP_EOL, $this->bulkEmails);
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return response()->streamDownload(function () use ($content): void {
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echo $content;
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}, $filename);
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}
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/**
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* @return string[]
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*/
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private function generateDotVariants(string $uname, int $quantity): array
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{
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$length = strlen($uname);
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$positions = range(1, $length - 1);
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$results = [];
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// From 1 dot up to max possible
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for ($dotCount = 1; $dotCount < $length; $dotCount++) {
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$combinations = $this->combinations($positions, $dotCount);
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// Reverse each combination for right-to-left priority
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foreach (array_reverse($combinations) as $combo) {
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$dotted = '';
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$lastPos = 0;
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foreach ($combo as $pos) {
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$dotted .= substr($uname, $lastPos, $pos - $lastPos).'.';
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$lastPos = $pos;
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}
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$dotted .= substr($uname, $lastPos);
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$results[] = $dotted.'@gmail.com';
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if (count($results) >= $quantity) {
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return $results;
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}
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}
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}
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return $results;
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}
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private function combinations(array $items, int $size): array
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{
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if ($size === 0) {
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return [[]];
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}
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if ($items === []) {
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return [];
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}
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$combinations = [];
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$head = $items[0];
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$tail = array_slice($items, 1);
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foreach ($this->combinations($tail, $size - 1) as $c) {
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array_unshift($c, $head);
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$combinations[] = $c;
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}
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return $this->combinations($tail, $size);
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}
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public function render()
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{
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if (Session::get('isSubscribed')) {
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return view('livewire.dashboard.bulk-gmail')->layout('components.layouts.dashboard');
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}
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return view('livewire.dashboard.not-subscribed')->layout('components.layouts.dashboard');
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}
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}
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