Read reverse sequence flags from file

daemon.py

@@ -268,6 +268,7 @@ from languages import set_actor_languages
 from languages import get_understood_languages
 from like import update_likes_collection
 from reaction import update_reaction_collection
+from utils import load_reverse_timeline
 from utils import load_min_images_for_accounts
 from utils import set_minimize_all_images
 from utils import get_json_content_from_accept
@@ -21936,7 +21937,7 @@ def run_daemon(max_hashtags: int,
     # caches css files
     httpd.css_cache = {}
 
-    httpd.reverse_sequence = []
+    httpd.reverse_sequence = load_reverse_timeline(base_dir)
 
     httpd.clacks = get_config_param(base_dir, 'clacks')
     if not httpd.clacks:

utils.py

@@ -4020,3 +4020,23 @@ def set_minimize_all_images(base_dir: str,
             os.remove(filename)
         except OSError:
             print('EX: unable to delete ' + filename)
+
+
+def load_reverse_timeline(base_dir: str) -> []:
+    """Loads flags for each user indicating whether they prefer to
+    see reversed timelines
+    """
+    reverse_sequence = []
+    for _, dirs, _ in os.walk(base_dir + '/accounts'):
+        for acct in dirs:
+            if not is_account_dir(acct):
+                continue
+            nickname = acct.split('@')[0]
+            domain = acct.split('@')[1]
+            reverse_filename = \
+                acct_dir(base_dir, nickname, domain) + '/.reverse_timeline'
+            if os.path.isfile(reverse_filename):
+                if nickname not in reverse_sequence:
+                    reverse_sequence.append(nickname)
+        break
+    return reverse_sequence