feat(KAN-48): rebuild project access and permission assignment

app/Actions/Permissions/PermissionService.php

@@ -8,6 +8,7 @@ use App\Models\Project;
 use App\Models\Team;
 use App\Models\User;
 use Illuminate\Database\Eloquent\Builder;
+use Illuminate\Database\Eloquent\Collection as EloquentCollection;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Support\Collection;
 use Illuminate\Support\Facades\DB;
@@ -113,6 +114,41 @@ class PermissionService
         );
     }
 
+    /**
+     * @param  EloquentCollection<int, User>  $users
+     * @return array{directPermissions: array, teamPermissions: array, effectivePermissions: array, globalAdminUserIds: array<int, int>}
+     */
+    public function projectAccessMap(EloquentCollection $users, Project $project): array
+    {
+        $users->loadMissing('teams');
+        $directPermissions = $this->assignmentMap(User::class, $project);
+        $teamPermissions = $this->assignmentMap(Team::class, $project);
+        $globalPermissions = $this->assignmentMap(User::class);
+        $effectivePermissions = [];
+        $globalAdminUserIds = [];
+
+        foreach ($users as $user) {
+            $permissions = $directPermissions[$user->id] ?? [];
+
+            foreach ($user->teams as $team) {
+                $permissions = array_merge($permissions, $teamPermissions[$team->id] ?? []);
+            }
+
+            if (in_array(Permission::GlobalAdmin->value, $globalPermissions[$user->id] ?? [], true)) {
+                $permissions[] = Permission::GlobalAdmin->value;
+                $globalAdminUserIds[] = $user->id;
+            }
+
+            $expanded = $this->expandPermissions(array_map(Permission::from(...), $permissions));
+            $effectivePermissions[$user->id] = Permission::values(array_values(array_filter(
+                Permission::projectAssignable(),
+                fn (Permission $permission): bool => in_array($permission, $expanded, true),
+            )));
+        }
+
+        return compact('directPermissions', 'teamPermissions', 'effectivePermissions', 'globalAdminUserIds');
+    }
+
     /**
      * @return array<string, array<int, string>>
      */

app/Http/Controllers/ProjectController.php

@@ -182,25 +182,22 @@ class ProjectController extends Controller
             403,
         );
 
+        $users = User::query()->orderBy('name')->get();
+
         return Inertia::render('projects/Access', [
-            'directPermissions' => $this->permissionService->assignmentMap(User::class, $project),
+            ...$this->permissionService->projectAccessMap($users, $project),
             'permissionOptions' => PermissionOptionResource::collection(
                 $this->permissionService->permissionOptions(User::class, Project::class),
             )->resolve(),
             'project' => ProjectResource::make($project)->resolve(),
             'status' => session('status'),
-            'teamPermissions' => $this->permissionService->assignmentMap(Team::class, $project),
             'teams' => TeamResource::collection(
                 Team::query()
                     ->with('users')
                     ->orderBy('name')
                     ->get(),
             )->resolve(),
-            'users' => UserResource::collection(
-                User::query()
-                    ->orderBy('name')
-                    ->get(),
-            )->resolve(),
+            'users' => UserResource::collection($users)->resolve(),
         ]);
     }
 
@@ -220,7 +217,9 @@ class ProjectController extends Controller
 
         $this->permissionService->sync($user, $project, $permissions);
 
-        return to_route('projects.access', $project)
+        return ($this->permissionService->allows($request->user(), Permission::ProjectAdmin, $project)
+            ? to_route('projects.access', $project)
+            : to_route('projects.index'))
             ->with('status', "{$user->name} permissions were updated.");
     }
 
@@ -239,7 +238,9 @@ class ProjectController extends Controller
 
         $this->permissionService->sync($team, $project, $permissions);
 
-        return to_route('projects.access', $project)
+        return ($this->permissionService->allows($request->user(), Permission::ProjectAdmin, $project)
+            ? to_route('projects.access', $project)
+            : to_route('projects.index'))
             ->with('status', "{$team->name} permissions were updated.");
     }