first commit

app/Models/Product.php

@@ -0,0 +1,54 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\SoftDeletes;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class Product extends Model
+{
+    use HasFactory, SoftDeletes;
+
+    protected $fillable = [
+        'code',
+        'name',
+        'category_id',
+        'brand',
+        'specification',
+        'base_unit',
+        'large_unit',
+        'conversion_rate',
+        'purchase_unit',
+    ];
+
+    protected $casts = [
+        'conversion_rate' => 'decimal:4',
+    ];
+
+    /**
+     * Get the category that owns the product.
+     */
+    public function category(): BelongsTo
+    {
+        return $this->belongsTo(Category::class);
+    }
+
+    public function vendors(): \Illuminate\Database\Eloquent\Relations\BelongsToMany
+    {
+        return $this->belongsToMany(Vendor::class)->withPivot('last_price')->withTimestamps();
+    }
+
+    public function inventories(): \Illuminate\Database\Eloquent\Relations\HasMany
+    {
+        return $this->hasMany(Inventory::class);
+    }
+
+    public function warehouses(): \Illuminate\Database\Eloquent\Relations\BelongsToMany
+    {
+        return $this->belongsToMany(Warehouse::class, 'inventories')
+            ->withPivot(['quantity', 'safety_stock', 'location'])
+            ->withTimestamps();
+    }
+}