add settings routes

app/models.py

@@ -127,6 +127,24 @@ class Users(Model):
         res = db.fetch_one(q, self.id)
         return res["c"] or 0
 
+    def set_signature(self, content:str, language: str = 'babycode'):
+        if not content:
+            self.update({
+                'signature_original_markup': '',
+                'signature_rendered': '',
+                'signature_format_version': None,
+            })
+            return
+
+        from .lib.babycode import babycode_to_html, BABYCODE_VERSION
+        from .constants import SIG_BANNED_TAGS
+        signature_rendered = babycode_to_html(content, SIG_BANNED_TAGS).result
+        self.update({
+            'signature_original_markup': content,
+            'signature_rendered': signature_rendered,
+            'signature_format_version': BABYCODE_VERSION,
+        })
+
 
 class Topics(Model):
     table = 'topics'
@@ -396,6 +414,12 @@ class PostHistory(Model):
 class Sessions(Model):
     table = 'sessions'
 
+    @classmethod
+    def revoke_all(cls, user_id: int):
+        qb = db.QueryBuilder(cls.table).where({'user_id': user_id})
+        sql, params = qb.build_delete()
+        db.execute(sql, *params)
+
 class Avatars(Model):
     table = 'avatars'