feat: Netzwerk-Segmentverwaltung, Dashboard, globale Suche v0.6.0

app/Models/NetworkSegment.php

@@ -0,0 +1,59 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+use Illuminate\Database\Eloquent\Relations\HasManyThrough;
+
+class NetworkSegment extends Model
+{
+    protected $fillable = [
+        'name', 'subnet', 'vlan_id', 'active', 'description', 'created_by',
+    ];
+
+    protected $casts = [
+        'active'   => 'boolean',
+        'vlan_id'  => 'integer',
+    ];
+
+    public function createdBy(): BelongsTo
+    {
+        return $this->belongsTo(User::class, 'created_by');
+    }
+
+    public function scans(): HasMany
+    {
+        return $this->hasMany(NetworkScan::class, 'segment_id');
+    }
+
+    public function latestScan(): HasMany
+    {
+        return $this->hasMany(NetworkScan::class, 'segment_id')->latestOfMany();
+    }
+
+    /** Alle Hosts dieses Segments (über Scans) */
+    public function hosts(): HasManyThrough
+    {
+        return $this->hasManyThrough(NetworkHost::class, NetworkScan::class, 'segment_id', 'scan_id');
+    }
+
+    /** Anzahl online-Hosts im letzten Scan */
+    public function getOnlineCountAttribute(): int
+    {
+        return $this->scans()->latest()->first()?->online_hosts ?? 0;
+    }
+
+    /** Anzahl Geräte gesamt im letzten Scan */
+    public function getTotalCountAttribute(): int
+    {
+        return $this->scans()->latest()->first()?->total_hosts ?? 0;
+    }
+
+    /** Letzter Scan-Zeitpunkt */
+    public function getLastScannedAtAttribute(): ?string
+    {
+        return $this->scans()->latest()->first()?->created_at?->format('d.m.Y H:i');
+    }
+}