feat: configurable branding, private preferences, city photo cards and database backups

households.py

@@ -3,6 +3,8 @@ import datetime as dt
 import json
 import re
 import secrets
+import hashlib
+from appearance import png_bytes
 
 
 class Households:
@@ -110,7 +112,8 @@ class Households:
         def label(uid):
             account = self.a.get_object('users', uid)
             return account.get('name', '') if account else ''
-        return [dict({k: v for k, v in row.items() if k != 'leadershipHistory' or self.manager(user)}, ownerName=label(row.get('ownerId')), successorName=label(row.get('successorId')),
+        return [dict({k: v for k, v in row.items() if k != 'coverData' and (k != 'leadershipHistory' or self.manager(user))}, ownerName=label(row.get('ownerId')), successorName=label(row.get('successorId')),
+                     coverUrl=('/api/households/cover?id='+row['id']+'&v='+row.get('coverRevision','0')) if row.get('coverData') else '',
                      canAssignOwner=user['role'] == 'admin' or row.get('ownerId') == user['id'],
                      members=sum(self.family_of(u) == row['id'] for u in self.a.objects('users')),
                      sites=sum(self.family_of(s) == row['id'] for s in self.a.objects('sites'))) for row in rows]
@@ -162,6 +165,16 @@ class Households:
                         kind=kind,
                         note=a.clean_text(data.get('note', ''), 300),
                         createdAt=old['createdAt'] if old else dt.datetime.now(dt.timezone.utc).isoformat())
+            for field in ('province','city','district'):
+                item[field] = a.clean_text(data.get(field, (old or {}).get(field, '')), 60)
+            if 'coverData' in data:
+                cover = data['coverData']
+                if not isinstance(cover, str): raise a.Problem('封面图片格式不正确')
+                if cover:
+                    try: png_bytes(cover, 2*1024*1024)
+                    except ValueError as error: raise a.Problem(str(error).replace('Logo', '封面'))
+                item['coverData'] = cover
+                item['coverRevision'] = hashlib.sha256(cover.encode()).hexdigest()[:16]
             a.save_object('households', item)
             a.audit('保存家庭', item['name'])
             return item