Add template switch and reset flows for existing projects

app/Http/Controllers/ProjectController.php

@@ -9,17 +9,20 @@ use App\Actions\Projects\DeleteProject;
 use App\Actions\Projects\DuplicateProjectConfiguration;
 use App\Actions\Projects\ListVisibleProjects;
 use App\Actions\Projects\ResolveProjectTemplateState;
+use App\Actions\Projects\UpdateProjectTemplateLink;
 use App\Enums\Permission;
 use App\Http\Requests\DeleteProjectRequest;
+use App\Http\Requests\ResetProjectTemplateRequest;
 use App\Http\Requests\StoreProjectRequest;
+use App\Http\Requests\SwitchProjectTemplateRequest;
 use App\Http\Requests\SyncProjectPermissionsRequest;
 use App\Http\Resources\PermissionOptionResource;
 use App\Http\Resources\ProjectResource;
 use App\Http\Resources\ProjectTemplateResource;
-use App\Models\ProjectTemplate;
 use App\Http\Resources\TeamResource;
 use App\Http\Resources\UserResource;
 use App\Models\Project;
+use App\Models\ProjectTemplate;
 use App\Models\Team;
 use App\Models\User;
 use Illuminate\Http\RedirectResponse;
@@ -37,6 +40,7 @@ class ProjectController extends Controller
         private readonly ListVisibleProjects $listVisibleProjects,
         private readonly PermissionService $permissionService,
         private readonly ResolveProjectTemplateState $resolveProjectTemplateState,
+        private readonly UpdateProjectTemplateLink $updateProjectTemplateLink,
     ) {}
 
     public function index(Request $request): Response
@@ -117,10 +121,44 @@ class ProjectController extends Controller
     {
         return Inertia::render('projects/settings/General', [
             'project' => ProjectResource::make($project)->resolve(),
+            'sourceTemplates' => ProjectTemplateResource::collection(
+                ProjectTemplate::query()
+                    ->published()
+                    ->with('sourceProject')
+                    ->orderBy('name')
+                    ->get(),
+            )->resolve(),
             'status' => session('status'),
+            'templateState' => $this->resolveProjectTemplateState->handle($project),
         ]);
     }
 
+    public function switchTemplate(SwitchProjectTemplateRequest $request, Project $project): RedirectResponse
+    {
+        $template = ProjectTemplate::query()
+            ->published()
+            ->findOrFail($request->integer('source_template_id'));
+
+        $this->updateProjectTemplateLink->switch($project, $template);
+
+        return to_route('projects.settings.general', $project)
+            ->with('status', "{$project->name} now uses the {$template->name} template.");
+    }
+
+    public function resetTemplate(ResetProjectTemplateRequest $request, Project $project): RedirectResponse
+    {
+        $request->validated();
+
+        $template = $project->projectTemplate;
+
+        abort_if($template === null, 422, 'This project has no linked template to reset.');
+
+        $this->updateProjectTemplateLink->reset($project->load('projectTemplate'));
+
+        return to_route('projects.settings.general', $project)
+            ->with('status', "{$project->name} was reset to the {$template->name} template baseline.");
+    }
+
     public function access(Request $request, Project $project): Response
     {
         $user = $request->user();