From 76c38c7f9b5a255fa8b547e1a3a31788eb3b4512 Mon Sep 17 00:00:00 2001
From: Diatrex <diahshalabi@hotmail.com>
Date: Mon, 30 Mar 2020 13:22:22 +0300
Subject: [PATCH] #1151 Delete sub categories when deleting a parent category
 [delete all subcats]

---
 .../src/Category/CategoryRepository.php       | 33 +++++++++++++++++++
 .../Contract/CategoryRepositoryInterface.php  |  2 ++
 .../Controller/Admin/CategoryController.php   |  1 -
 3 files changed, 35 insertions(+), 1 deletion(-)

diff --git a/addons/default/visiosoft/cats-module/src/Category/CategoryRepository.php b/addons/default/visiosoft/cats-module/src/Category/CategoryRepository.php
index 6db0b6ae5..d9462ec2a 100644
--- a/addons/default/visiosoft/cats-module/src/Category/CategoryRepository.php
+++ b/addons/default/visiosoft/cats-module/src/Category/CategoryRepository.php
@@ -67,5 +67,38 @@ class CategoryRepository extends EntryRepository implements CategoryRepositoryIn
     public function DeleteCategories($id)
     {
         $this->model->find($id)->delete();
+
+        $this->deleteSubcategories($id);
+    }
+
+    public function deleteSubcategories($id)
+    {
+        // Get all subcategories
+        $allSubcategories = array();
+        $subcategories = $this->getSubCatById($id);
+        if (count($subcategories)) {
+            foreach ($subcategories as $subcategory) {
+                $allSubcategories[$subcategory->id] = ['id' => $subcategory->id, 'processed' => false];
+            }
+            do {
+                $unprocessedCategories = array_filter($allSubcategories, function ($unprocessedCategory) {
+                    return $unprocessedCategory['processed'] === false;
+                });
+                foreach ($unprocessedCategories as $unprocessedCategory) {
+                    $subcategories = $this->getSubCatById($unprocessedCategory['id']);
+                    foreach ($subcategories as $subcategory) {
+                        $allSubcategories[$subcategory->id] = ['id' => $subcategory->id, 'processed' => false];
+                    }
+                    $allSubcategories[$unprocessedCategory['id']]['processed'] = true;
+                }
+            } while (count($unprocessedCategories));
+
+            // Delete all subcategories
+            $whereIn = array();
+            foreach ($allSubcategories as $category) {
+                $whereIn[] = $category['id'];
+            }
+            $this->newQuery()->whereIn('id', $whereIn)->delete();
+        }
     }
 }
diff --git a/addons/default/visiosoft/cats-module/src/Category/Contract/CategoryRepositoryInterface.php b/addons/default/visiosoft/cats-module/src/Category/Contract/CategoryRepositoryInterface.php
index 38d128225..00b82a02f 100644
--- a/addons/default/visiosoft/cats-module/src/Category/Contract/CategoryRepositoryInterface.php
+++ b/addons/default/visiosoft/cats-module/src/Category/Contract/CategoryRepositoryInterface.php
@@ -21,4 +21,6 @@ interface CategoryRepositoryInterface extends EntryRepositoryInterface
     public function getCategories();
 
     public function DeleteCategories($id);
+
+    public function deleteSubcategories($id);
 }
diff --git a/addons/default/visiosoft/cats-module/src/Http/Controller/Admin/CategoryController.php b/addons/default/visiosoft/cats-module/src/Http/Controller/Admin/CategoryController.php
index 59ed1653f..b8f501a3c 100644
--- a/addons/default/visiosoft/cats-module/src/Http/Controller/Admin/CategoryController.php
+++ b/addons/default/visiosoft/cats-module/src/Http/Controller/Admin/CategoryController.php
@@ -209,5 +209,4 @@ class CategoryController extends AdminController
         return redirect('admin/cats')->with('success', [$deletedCatsCount . ' categories has been deleted.']);
     }
 
-
 }