Connect CalDAV todos to DB-Items, finish todo component and add it to pipeline items

app/Http/Controllers/PipelineController.php

@@ -16,15 +16,38 @@ class PipelineController extends Controller
 {
     public function index()
     {
-        $lanes = PipelineLane::with(['items' => function ($q) {
-            $q->withCount(['notes' => function ($query) {
-                $query->where('notable_type', 'App\Models\PipelineItem');
-            }])->orderBy('position');
-        }])->orderBy('position')->get();
+        $lanes = PipelineLane::with(['items' => function ($query) {
+            $query
+                ->withCount(['notes' => function ($query) {
+                    $query->where('notable_type', 'App\Models\PipelineItem');
+                }])
+                ->withCount(['todos' => function ($query) {
+                    $query->where('todoable_type', 'App\Models\PipelineItem')
+                        ->whereNotIn('status', ['completed', 'COMPLETED']);
+                }])
+                ->with(['todos' => function ($query) {
+                    $query->where('todoable_type', 'App\Models\PipelineItem')->orderBy('due_date', 'asc');
+                }])
+                ->orderBy('position')
+            ;
+        }])
+            ->orderBy('position')
+            ->get();
 
-        return $lanes->map(function ($lane) {
-            return ApiDataTransformer::snakeToCamel($lane->toArray());
+        $lanesArray = $lanes->map(function ($lane) {
+            $laneArray = $lane->toArray();
+
+            // Process items to add latest_todo_due_date and remove todos array
+            $laneArray['items'] = collect($laneArray['items'])->map(function ($item) {
+                $item['next_todo_due_date'] = $item['todos'][0]['due_date'] ?? null;
+                unset($item['todos']); // Remove the todos array
+                return $item;
+            })->toArray();
+
+            return $laneArray;
         });
+
+        return ApiDataTransformer::snakeToCamel($lanesArray->toArray());
     }
 
     public function show()