Initial commit: Animexe Laravel platform

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

app/Models/ActivationCode.php

@@ -0,0 +1,59 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class ActivationCode extends Model
+{
+    protected $fillable = [
+        'code', 'plan_id', 'used_by', 'used_at',
+        'created_by', 'expires_at', 'batch', 'notes',
+    ];
+
+    protected $casts = [
+        'used_at'    => 'datetime',
+        'expires_at' => 'datetime',
+    ];
+
+    public function plan(): BelongsTo
+    {
+        return $this->belongsTo(MembershipPlan::class, 'plan_id');
+    }
+
+    public function usedBy(): BelongsTo
+    {
+        return $this->belongsTo(User::class, 'used_by');
+    }
+
+    public function createdBy(): BelongsTo
+    {
+        return $this->belongsTo(User::class, 'created_by');
+    }
+
+    public function isUsed(): bool
+    {
+        return ! is_null($this->used_at);
+    }
+
+    public function isExpired(): bool
+    {
+        return $this->expires_at && $this->expires_at->isPast();
+    }
+
+    public function isValid(): bool
+    {
+        return ! $this->isUsed() && ! $this->isExpired();
+    }
+
+    public static function generateCode(): string
+    {
+        do {
+            $hex  = strtoupper(bin2hex(random_bytes(6)));
+            $code = implode('-', str_split($hex, 4));
+        } while (self::where('code', $code)->exists());
+
+        return $code;
+    }
+}