Giant Update

app/Models/TopologyLink.php

@@ -0,0 +1,47 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\SoftDeletes;
+
+class TopologyLink extends Model
+{
+    use SoftDeletes;
+
+    protected $guarded = ['id'];
+
+    protected function casts(): array
+    {
+        return [
+            'path_geojson' => 'array',
+            'metadata' => 'array',
+            'installed_at' => 'date',
+        ];
+    }
+
+    public function tenant()
+    {
+        return $this->belongsTo(Tenant::class);
+    }
+
+    public function sourceNode()
+    {
+        return $this->belongsTo(TopologyNode::class, 'source_node_id');
+    }
+
+    public function targetNode()
+    {
+        return $this->belongsTo(TopologyNode::class, 'target_node_id');
+    }
+
+    public function sourcePort()
+    {
+        return $this->belongsTo(TopologyPort::class, 'source_port_id');
+    }
+
+    public function targetPort()
+    {
+        return $this->belongsTo(TopologyPort::class, 'target_port_id');
+    }
+}