initial commit

app/Models/IpPool.php

@@ -0,0 +1,74 @@
+<?php
+
+namespace App\Models;
+
+use App\Enums\IpPoolType;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+
+class IpPool extends Model
+{
+    protected $fillable = [
+        'name',
+        'type',
+        'start_ip',
+        'end_ip',
+        'gateway',
+        'cidr',
+        'description',
+        'is_active',
+    ];
+
+    protected function casts(): array
+    {
+        return [
+            'type' => IpPoolType::class,
+            'cidr' => 'integer',
+            'is_active' => 'boolean',
+        ];
+    }
+
+    public function vms(): HasMany
+    {
+        return $this->hasMany(Customer::class, 'ip_pool_id');
+    }
+
+    public function totalIps(): int
+    {
+        $start = ip2long($this->start_ip);
+        $end = ip2long($this->end_ip);
+
+        if ($start === false || $end === false || $end < $start) {
+            return 0;
+        }
+
+        return (int) ($end - $start + 1);
+    }
+
+    public function usedIpsCount(): int
+    {
+        $query = Customer::query()
+            ->where('ip_pool_id', $this->id)
+            ->whereIn('status', ['pending', 'active']);
+
+        if ($this->type === IpPoolType::Public) {
+            return $query->whereNotNull('public_ip')->count();
+        }
+
+        return $query->whereNotNull('ip_address')->count();
+    }
+
+    public function freeIpsCount(): int
+    {
+        return max(0, $this->totalIps() - $this->usedIpsCount());
+    }
+
+    public function containsIp(string $ip): bool
+    {
+        $long = ip2long($ip);
+        $start = ip2long($this->start_ip);
+        $end = ip2long($this->end_ip);
+
+        return $long !== false && $long >= $start && $long <= $end;
+    }
+}