first commit

app/Models/ChecklistTemplate.php

@@ -0,0 +1,47 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+use Illuminate\Database\Eloquent\SoftDeletes;
+
+class ChecklistTemplate extends Model
+{
+    use HasFactory, SoftDeletes;
+
+    protected $fillable = [
+        'name',
+        'version',
+        'description',
+        'is_active',
+    ];
+
+    protected function casts(): array
+    {
+        return [
+            'is_active' => 'boolean',
+        ];
+    }
+
+    public function sections(): HasMany
+    {
+        return $this->hasMany(ChecklistSection::class)->orderBy('order');
+    }
+
+    public function formulas(): HasMany
+    {
+        return $this->hasMany(ChecklistFormula::class)->orderBy('order');
+    }
+
+    public function scopeActive($query)
+    {
+        return $query->where('is_active', true);
+    }
+
+    public static function activeTemplate(): ?self
+    {
+        return static::active()->latest('id')->first();
+    }
+}