update retribution calculation spatial plannings

app/Models/BuildingFunctionParameter.php

@@ -0,0 +1,73 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class BuildingFunctionParameter extends Model
+{
+    protected $fillable = [
+        'building_function_id',
+        'fungsi_bangunan',
+        'ip_permanen',
+        'ip_kompleksitas',
+        'ip_ketinggian',
+        'indeks_lokalitas',
+        'is_active',
+        'notes'
+    ];
+
+    protected $casts = [
+        'fungsi_bangunan' => 'decimal:6',
+        'ip_permanen' => 'decimal:6',
+        'ip_kompleksitas' => 'decimal:6',
+        'ip_ketinggian' => 'decimal:6',
+        'indeks_lokalitas' => 'decimal:6',
+        'is_active' => 'boolean'
+    ];
+
+    /**
+     * Building function relationship (1:1)
+     */
+    public function buildingFunction(): BelongsTo
+    {
+        return $this->belongsTo(BuildingFunction::class);
+    }
+
+    /**
+     * Scope: Active parameters only
+     */
+    public function scopeActive($query)
+    {
+        return $query->where('is_active', true);
+    }
+
+    /**
+     * Get all parameter values as array
+     */
+    public function getParametersArray(): array
+    {
+        return [
+            'fungsi_bangunan' => $this->fungsi_bangunan,
+            'ip_permanen' => $this->ip_permanen,
+            'ip_kompleksitas' => $this->ip_kompleksitas,
+            'ip_ketinggian' => $this->ip_ketinggian,
+            'indeks_lokalitas' => $this->indeks_lokalitas
+        ];
+    }
+
+    /**
+     * Get formatted parameters for display
+     */
+    public function getFormattedParameters(): array
+    {
+        return [
+            'Fungsi Bangunan' => $this->fungsi_bangunan,
+            'IP Permanen' => $this->ip_permanen,
+            'IP Kompleksitas' => $this->ip_kompleksitas,
+            'IP Ketinggian' => $this->ip_ketinggian,
+            'Indeks Lokalitas' => $this->indeks_lokalitas . '%'
+        ];
+    }
+}