feat(posts-api): assegna autore in POST, ownership su PUT/DELETE

tests/posts-ownership.test.ts

@@ -0,0 +1,21 @@
+import { describe, it, expect } from 'vitest';
+import { canModifyPost } from '../src/lib/posts';
+
+describe('canModifyPost', () => {
+  const own = { author_id: 7 };
+  const other = { author_id: 8 };
+  const orphan = { author_id: null };
+
+  it('admin e superuser modificano qualsiasi post', () => {
+    for (const role of ['admin', 'superuser']) {
+      expect(canModifyPost(role, 7, other)).toBe(true);
+      expect(canModifyPost(role, 7, orphan)).toBe(true);
+    }
+  });
+
+  it('user modifica solo i propri', () => {
+    expect(canModifyPost('user', 7, own)).toBe(true);
+    expect(canModifyPost('user', 7, other)).toBe(false);
+    expect(canModifyPost('user', 7, orphan)).toBe(false);
+  });
+});