first commit

app/Models/ChecklistFormula.php

@@ -0,0 +1,41 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class ChecklistFormula extends Model
+{
+    use HasFactory;
+
+    protected $fillable = [
+        'checklist_template_id',
+        'checklist_section_id',
+        'result_token',
+        'label',
+        'expression',
+        'unit',
+        'guard_div_zero',
+        'order',
+    ];
+
+    protected function casts(): array
+    {
+        return [
+            'guard_div_zero' => 'boolean',
+            'order' => 'integer',
+        ];
+    }
+
+    public function template(): BelongsTo
+    {
+        return $this->belongsTo(ChecklistTemplate::class, 'checklist_template_id');
+    }
+
+    public function section(): BelongsTo
+    {
+        return $this->belongsTo(ChecklistSection::class, 'checklist_section_id');
+    }
+}