feat: flarum/gdpr integration (#91)

composer.json

@@ -44,7 +44,10 @@
                 "backgroundSize": "90%",
                 "backgroundRepeat": "no-repeat",
                 "backgroundPosition": "center"
-            }
+            },
+            "optional-dependencies": [
+                "flarum/gdpr"
+            ]
         },
         "flagrow": {
             "discuss": "https://discuss.flarum.org/d/5791"
@@ -61,7 +64,8 @@
         }
     },
     "require-dev": {
-        "flarum/phpstan": "*"
+        "flarum/phpstan": "*",
+        "flarum/gdpr": "^1.0.0@beta"
     },
     "scripts": {
         "analyse:phpstan": "phpstan analyse",

extend.php

@@ -12,6 +12,7 @@
 use Flarum\Api\Serializer\BasicUserSerializer;
 use Flarum\Api\Serializer\ForumSerializer;
 use Flarum\Api\Serializer\UserSerializer;
+use Flarum\Gdpr\Extend\UserData;
 use Flarum\User\Filter\UserFilterer;
 use Flarum\User\Search\UserSearcher;
 use Flarum\User\User;
@@ -109,4 +110,10 @@
 
     (new Extend\Filter(UserFilterer::class))
         ->addFilter(Gambits\AnswerGambit::class),
+
+    (new Extend\Conditional())
+        ->whenExtensionEnabled('flarum-gdpr', fn () => [
+            (new UserData())
+                ->addType(Data\MasqueradeAnswers::class),
+        ]),
 ];

resources/locale/en.yml

@@ -60,3 +60,11 @@ fof-masquerade:
             email: Email
             select: Dropdown
             url: URL
+
+flarum-gdpr:
+    lib:
+        data:
+            masqueradeanswers:
+                export_description: Exports the user's profile field answers
+                delete_description: Removes all profile field answers from the user's account
+                anonymize_description: => flarum-gdpr.lib.data.masqueradeanswers.delete_description

src/Data/MasqueradeAnswers.php

@@ -0,0 +1,40 @@
+<?php
+
+namespace FoF\Masquerade\Data;
+
+use Flarum\Gdpr\Data\Type;
+use FoF\Masquerade\Answer;
+use Illuminate\Support\Arr;
+
+class MasqueradeAnswers extends Type
+{
+    public function export(): ?array
+    {
+        $data = [];
+
+        Answer::query()
+            ->where('user_id', '=', $this->user->id)
+            ->each(function (Answer $answer) use (&$data) {
+                $data[] = ["masquerade/answer-{$answer->id}.json" => $this->encodeForExport($this->sanitize($answer))];
+            });
+
+        return $data;
+    }
+
+    protected function sanitize(Answer $answer): array
+    {
+        return Arr::except($answer->toArray(), ['id', 'user_id']);
+    }
+
+    public function anonymize(): void
+    {
+        $this->delete();
+    }
+
+    public function delete(): void
+    {
+        Answer::query()
+            ->where('user_id', '=', $this->user->id)
+            ->delete();
+    }
+}