58 lines
1.6 KiB
PHP
58 lines
1.6 KiB
PHP
<?php
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namespace App\Models;
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use Illuminate\Database\Eloquent\Factories\HasFactory;
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use Illuminate\Database\Eloquent\Model;
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class Shortlink extends Model
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{
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use HasFactory;
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protected $fillable = [
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'id',
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'shortid',
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'destination',
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'user_id',
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'max_clicks',
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'expires_at',
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'deleted'
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];
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public function create(string $url, int $user_id): Shortlink {
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$this->shortid = $this->generateNewId();
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$this->destination = $url;
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$this->user_id = $user_id;
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$this->max_clicks = 0;
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$this->expires_at = null;
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$this->deleted = false;
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$this->save();
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return $this;
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}
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public function delete(): void {
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Shortlink::where('shortid', $this->id)->delete();
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}
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public function modify(int $max_clicks, $expires_at): void {
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$this->max_clicks = $max_clicks;
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$this->expires_at = $expires_at;
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$this->save();
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}
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function generateNewId(int $length = 6): string {
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$characters = 'qwrtypsdfghjklzxcvbnmQWRTYPSDFGHJKLZXCVBNM256789_';
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// try n x 2 times to generate a new id, if it finds an id, return it, otherwise, try to look for an id of length + 1
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for ($i = 0; $i < $length * 2; $i++) {
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$id = '';
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for ($i = 0; $i < $length; $i++) {
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$id .= $characters[rand(0, strlen($characters) - 1)];
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}
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if (Shortlink::where('shortid', $id)->count() == 0) {
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return $id;
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}
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}
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return $this->generateNewId($length + 1);
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}
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}
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