fix: delete purchase orders when an item is deleted

Author: itsemon245

app/Http/Controllers/Backend/Product/ProductController.php

@@ -8,6 +8,7 @@
 use App\Models\Product;
 use App\Models\ProductCategory;
 use App\Models\ProductSubCategory;
+use App\Models\Purchase;
 use Illuminate\Support\Facades\Auth;
 
 class ProductController extends Controller
@@ -121,7 +122,7 @@ public function update(UpdateProductRequest $request, Product $product)
      */
     public function destroy(Product $product)
     {
-        Product::find($product->id)->delete();
+        $product->delete();
 
         return redirect()
             ->back()

app/Models/Book.php

@@ -2,6 +2,7 @@
 
 namespace App\Models;
 
+use App\Traits\HasPurchases;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Builder;
 use Illuminate\Database\Eloquent\Casts\Attribute;
@@ -10,7 +11,7 @@
 
 class Book extends Model
 {
-    use HasFactory;
+    use HasFactory, HasPurchases;
     /**
      * Get all of the book's reviews.
      */

app/Models/CaseStudy.php

@@ -3,14 +3,15 @@
 namespace App\Models;
 
 use App\Models\CaseStudyCategory;
+use App\Traits\HasPurchases;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Casts\Attribute;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 
 class CaseStudy extends Model
 {
-    use HasFactory;
+    use HasFactory, HasPurchases;
 
     function caseStudyPackage(): BelongsTo
     {

app/Models/CaseStudyPackage.php

@@ -2,14 +2,15 @@
 
 namespace App\Models;
 
+use App\Traits\HasPurchases;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Casts\Attribute;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Relations\HasMany;
 
 class CaseStudyPackage extends Model
 {
-    use HasFactory;
+    use HasFactory, HasPurchases;
 
     function caseStudies(): HasMany
     {

app/Models/Course.php

@@ -3,6 +3,7 @@
 namespace App\Models;
 
 use App\Casts\Json;
+use App\Traits\HasPurchases;
 use App\Traits\IsPurchased;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Casts\Attribute;
@@ -11,7 +12,7 @@
 
 class Course extends Model
 {
-    use HasFactory, IsPurchased;
+    use HasFactory, IsPurchased, HasPurchases;
     protected $guarded = [  ];
     protected $casts   = [
         'page_cards'      => Json::class,

app/Models/Product.php

@@ -6,6 +6,7 @@
 use Illuminate\Support\Arr;
 use App\Models\ProductCategory;
 use App\Models\ProductSubCategory;
+use App\Traits\HasPurchases;
 use Illuminate\Database\Eloquent\Casts\Attribute;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\MorphMany;
@@ -14,6 +15,7 @@
 class Product extends Model
 {
     use HasFactory;
+    use HasPurchases;
 
     /**
      * The attributes that are mass assignable.
@@ -72,21 +74,24 @@ public static function mappedProducts(array $queries) : array
 
     public function purchase()
     {
-        return $this->morphOne(Purchase::class, 'purchasable');
+        return $this->morphMany(Purchase::class, 'purchasable');
     }
     public function isPurchased(int $userId = null)
     {
         if ($userId === null) {
             $userId = auth()->id();
         }
-        return $this->morphOne(Purchase::class, 'purchasable')->where('user_id', $userId);
+        return $this->morphMany(Purchase::class, 'purchasable')->where('user_id', $userId);
     }
 
 
 
     public function price() : Attribute
     {
         $commission = app('setting')->reference->partner_commission;
+        /**
+         * @var User $user
+         */
         $user = auth()->user();
         return Attribute::make(
             get: fn ($value) => $user?->isPartner() ? $value - ($value * $commission / 100) : $value

app/Models/Service.php

@@ -2,6 +2,7 @@
 
 namespace App\Models;
 
+use App\Traits\HasPurchases;
 use App\Traits\HasSections;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Casts\Attribute;
@@ -10,7 +11,7 @@
 
 class Service extends Model
 {
-    use HasFactory;
+    use HasFactory, HasPurchases;
 
     // user defined traits
     use HasSections;

app/Traits/HasPurchases.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace App\Traits;
+
+use App\Models\Purchase;
+use Illuminate\Database\Eloquent\Model;
+
+trait HasPurchases
+{
+
+    public static function bootHasPurchases():void{
+        static::deleting(function (Model $model) {
+            $model->purchases()->delete();
+        });
+    }
+    public function purchases()
+    {
+        return $this->morphMany(Purchase::class, 'purchasable');
+    }
+}

app/Traits/IsPurchased.php

@@ -10,6 +10,6 @@ public function isPurchased(int $userId = null)
         if ($userId === null) {
             $userId = auth()->id();
         }
-        return $this->morphOne(Purchase::class, 'purchasable')->where('user_id', $userId)->where('approved', 1);
+        return $this->morphMany(Purchase::class, 'purchasable')->where('user_id', $userId)->where('approved', 1)->first();
     }
 }