Post expiry period on edit profile screen

daemon.py

@@ -80,6 +80,8 @@ from person import remove_account
 from person import can_remove_post
 from person import person_snooze
 from person import person_unsnooze
+from posts import get_post_expiry_days
+from posts import set_post_expiry_days
 from posts import get_original_post_from_announce_url
 from posts import save_post_to_box
 from posts import get_instance_actor_key
@@ -6135,6 +6137,22 @@ class PubServer(BaseHTTPRequestHandler):
                             del self.server.account_timezone[nickname]
                             actor_changed = True
 
+                    # set post expiry period in days
+                    post_expiry_period_days = \
+                        get_post_expiry_days(base_dir, nickname, domain)
+                    if fields.get('postExpiryPeriod'):
+                        if fields['postExpiryPeriod'] != \
+                           str(post_expiry_period_days):
+                            post_expiry_period_days = \
+                                fields['postExpiryPeriod']
+                            set_post_expiry_days(base_dir, nickname, domain,
+                                                 post_expiry_period_days)
+                            actor_changed = True
+                    else:
+                        if post_expiry_period_days > 0:
+                            set_post_expiry_days(base_dir, nickname, domain, 0)
+                            actor_changed = True
+
                     # change tox address
                     current_tox_address = get_tox_address(actor_json)
                     if fields.get('toxAddress'):

posts.py

@@ -4318,6 +4318,28 @@ def expire_posts(base_dir: str, http_prefix: str,
     return expired_post_count
 
 
+def get_post_expiry_days(base_dir: str, nickname: str, domain: str) -> int:
+    """
+    """
+    handle = nickname + '@' + domain
+    expire_posts_filename = \
+        base_dir + '/accounts/' + handle + '/.expire_posts_days'
+    if not os.path.isfile(expire_posts_filename):
+        return 0
+    days_str = None
+    try:
+        with open(expire_posts_filename, 'r', encoding='utf-8') as fp_expire:
+            days_str = fp_expire.read()
+    except OSError:
+        print('EX: unable to write post expire days ' +
+              expire_posts_filename)
+    if not days_str:
+        return 0
+    if not days_str.isdigit():
+        return 0
+    return int(days_str)
+
+
 def set_post_expiry_days(base_dir: str, nickname: str, domain: str,
                          max_age_days: int) -> None:
     """Sets the number of days after which posts from an account will expire

webapp_profile.py

@@ -38,6 +38,7 @@ from theme import get_themes_list
 from person import person_box_json
 from person import get_actor_json
 from person import get_person_avatar_url
+from posts import get_post_expiry_days
 from posts import get_person_box
 from posts import is_moderator
 from posts import parse_user_feed
@@ -58,6 +59,7 @@ from filters import is_filtered
 from follow import is_follower_of_person
 from follow import get_follower_domains
 from webapp_frontscreen import html_front_screen
+from webapp_utils import edit_number_field
 from webapp_utils import html_keyboard_navigation
 from webapp_utils import html_hide_from_screen_reader
 from webapp_utils import scheduled_posts_exist
@@ -2183,6 +2185,13 @@ def _html_edit_profile_main(base_dir: str, display_nickname: str, bio_str: str,
         edit_text_field(translate['Time Zone'], 'timeZone',
                         timezone, 'Europe/London')
 
+    post_expiry_period_days = \
+        get_post_expiry_days(base_dir, nickname, domain)
+    edit_profile_form += \
+        edit_number_field(translate['Post expiry period in days'],
+                          'postExpiryPeriod', post_expiry_period_days,
+                          0, 9999999999999999999999, 0)
+
     edit_profile_form += '    </div>\n'
     return edit_profile_form