Convert local post IDs to global when generating responses

boards/models/post/__init__.py

@@ -443,6 +443,23 b' class Post(models.Model, Viewable):'
     def get_raw_text(self) -> str:
         return self.text
 
+    def get_sync_text(self) -> str:
+        """
+        Returns text applicable for sync. It has absolute post reflinks.
+        """
+
+        replacements = dict()
+        for post_id in REGEX_REPLY.findall(self.get_raw_text()):
+            absolute_post_id = str(Post.objects.get(id=post_id).global_id)
+            replacements[post_id] = absolute_post_id
+
+        text = self.get_raw_text()
+        for key in replacements:
+            text = text.replace('[post]{}[/post]'.format(key),
+                                '[post]{}[/post]'.format(replacements[key]))
+
+        return text
+
     def get_absolute_id(self) -> str:
         """
         If the post has many threads, shows its main thread OP id in the post

boards/models/post/sync.py

@@ -53,8 +53,7 b' class SyncManager:'
             title.text = post.title
 
             text = et.SubElement(content_tag, TAG_TEXT)
-            # TODO Replace local links by global ones in the text
-            text.text = post.get_raw_text()
+            text.text = post.get_sync_text()
 
             if not post.is_opening():
                 thread = et.SubElement(content_tag, TAG_THREAD)

boards/tests/test_keys.py

@@ -66,14 +66,14 b' class KeyTest(TestCase):'
                         '<content>'
                         '<id key="%s" local-id="%d" type="%s" />'
                         '<title>test_title</title>'
-                        '<text>[post]%d[/post]</text>'
+                        '<text>[post]%s[/post]</text>'
                         '<thread><id key="%s" local-id="%d" type="%s" /></thread>'
                         '<pub-time>%s</pub-time>'
                         '</content>' % (
                             key.public_key,
                             reply_post.id,
                             key.key_type,
-                            post.id,
+                            str(post.global_id),
                             key.public_key,
                             post.id,
                             key.key_type,