Getting threads via their id

conversation.py

@@ -425,3 +425,21 @@ def conversation_tag_to_convthread_id(tag: str) -> str:
         if tag_chr.isdigit():
             convthread_id += tag_chr
     return convthread_id
+
+
+def convthread_id_to_conversation_tag(domain: str,
+                                      convthread_id: str) -> str:
+    """Converts a convthread id such as 20240928647832678
+    into a converation tag, such as
+    tag:domain,2024-09-28:objectId=647832678:objectType=Conversation
+    """
+    if len(convthread_id) < 10:
+        return ''
+    year = convthread_id[:4]
+    month = convthread_id[4:][:2]
+    day = convthread_id[6:][:2]
+    post_id = convthread_id[8:]
+    conversation_id = \
+        'tag:' + domain + ',' + year + '-' + month + '-' + day + \
+        ':objectId=' + post_id + ':objectType=Conversation'
+    return conversation_id

daemon_get_post.py

@@ -45,6 +45,7 @@ from webapp_likers import html_likers_of_post
 from fitnessFunctions import fitness_performance
 from securemode import secure_mode
 from context import get_individual_post_context
+from conversation import convthread_id_to_conversation_tag
 
 
 def _show_post_from_file(self, post_filename: str, liked_by: str,
@@ -1281,6 +1282,15 @@ def show_conversation_thread(self, authorized: bool,
     if not path.startswith('/users/'):
         return False
     conv_separator = '?convthread='
+    # https://codeberg.org/fediverse/fep/src/branch/main/fep/76ea/fep-76ea.md
+    if conv_separator not in path and '/thread/' in path:
+        convthread_id = path.split('/thread/', 1)[1].strip()
+        if convthread_id.isdigit():
+            new_tag = convthread_id_to_conversation_tag(domain_full,
+                                                        convthread_id)
+            if new_tag:
+                path = \
+                    path.split(conv_separator)[0] + conv_separator + new_tag
     if conv_separator not in path:
         return False
     post_id = path.split(conv_separator)[1].strip()

tests.py

@@ -226,6 +226,7 @@ from reading import get_book_from_post
 from reading import get_reading_status
 from reading import store_book_events
 from conversation import conversation_tag_to_convthread_id
+from conversation import convthread_id_to_conversation_tag
 
 
 TEST_SERVER_GROUP_RUNNING = False
@@ -9044,11 +9045,17 @@ def _test_bridgy() -> None:
 
 def _test_conversation_to_convthread() -> None:
     print('conversation to thread')
+    domain = 'the.domain.of.last.resort'
     conversation_id = \
-        'tag:domain,2024-09-28:objectId=647832678:objectType=Conversation'
+        'tag:' + domain + \
+        ',2024-09-28:objectId=647832678:objectType=Conversation'
     convthread_id = conversation_tag_to_convthread_id(conversation_id)
     assert convthread_id == '20240928647832678'
 
+    conversation_id2 = \
+        convthread_id_to_conversation_tag(domain, convthread_id)
+    assert conversation_id2 == conversation_id
+
 
 def run_all_tests():
     base_dir = os.getcwd()