first change

Modules/CourseFinder/app/Services/CoopService.php

@@ -0,0 +1,49 @@
+<?php
+
+namespace Modules\CourseFinder\Services;
+
+use Illuminate\Support\Facades\DB;
+use Modules\CourseFinder\Models\Coop;
+
+class CoopService
+{
+
+    public function getAllCategories()
+    {
+        $query = Coop::query();
+        return $query->get();
+    }
+
+    public function storeCoop(array $coopData): Coop
+    {
+        return DB::transaction(function () use ($coopData) {
+            $coop = Coop::create($coopData);
+
+            return $coop;
+        });
+    }
+
+    public function getCoopById(int $id)
+    {
+        return Coop::findOrFail($id);
+    }
+
+    public function updateCoop(int $id, array $coopData)
+    {
+        $coop = $this->getCoopById($id);
+
+        return DB::transaction(function () use ($coop, $coopData) {
+            $coop->update($coopData);
+            return $coop;
+        });
+    }
+
+    public function deleteCoop(int $id)
+    {
+        return DB::transaction(function () use ($id) {
+            $coop = $this->getCoopById($id);
+            $coop->delete();
+            return true;
+        });
+    }
+}