Support a order key for accounts in config

src/backend/models/items.py

@@ -33,6 +33,7 @@ class Account(ModelItem):
     """A logged in matrix account."""
 
     id:              str      = field()
+    order:           int      = -1
     display_name:    str      = ""
     avatar_url:      str      = ""
     max_upload_size: int      = 0
@@ -42,10 +43,8 @@ class Account(ModelItem):
     total_mentions:  int      = 0
 
     def __lt__(self, other: "Account") -> bool:
-        """Sort by user ID."""
-        name       = self.id[1:]
-        other_name = other.id[1:]
-        return name.lower() < other_name.lower()
+        """Sort by order, then by user ID."""
+        return (self.order, self.id.lower()) < (other.order, other.id.lower())
 
 
 @dataclass
@@ -120,10 +119,12 @@ class Room(ModelItem):
 
 @dataclass
 class AccountOrRoom(Account, Room):
-    type: Union[Type[Account], Type[Room]] = Account
+    type:          Union[Type[Account], Type[Room]] = Account
+    account_order: int                              = -1
 
     def __lt__(self, other: "AccountOrRoom") -> bool:  # type: ignore
         return (
+            self.account_order,
             self.id if self.type is Account else self.for_account,
             other.type is Account,
             self.left,
@@ -134,6 +135,7 @@ class AccountOrRoom(Account, Room):
             (self.display_name or self.id).lower(),
 
         ) < (
+            other.account_order,
             other.id if other.type is Account else other.for_account,
             self.type is Account,
             other.left,

src/backend/models/model_store.py

@@ -29,7 +29,7 @@ class ModelStore(UserDict):
         model: Model
 
         if key == "all_rooms":
-            model = AllRooms()
+            model = AllRooms(self["accounts"])
         elif key == "matching_accounts":
             model = MatchingAccounts(self["all_rooms"])
         elif is_tuple and len(key) == 3 and key[2] == "filtered_members":

src/backend/models/special_models.py

@@ -10,10 +10,12 @@ from .model_item import ModelItem
 
 
 class AllRooms(FieldSubstringFilter):
-    def __init__(self) -> None:
+    def __init__(self, accounts: Model) -> None:
         super().__init__(sync_id="all_rooms", fields=("display_name",))
         self.items_changed_callbacks.append(self.refilter_accounts)
 
+        self.accounts = accounts
+
         self._collapsed: Set[str] = set()
 
 
@@ -39,7 +41,14 @@ class AllRooms(FieldSubstringFilter):
 
 
     def convert_item(self, item: ModelItem) -> AccountOrRoom:
-        return AccountOrRoom(**asdict(item), type=type(item))  # type: ignore
+        return AccountOrRoom(
+            **asdict(item),
+            type = type(item),  # type: ignore
+
+            account_order =
+                item.order if isinstance(item, Account) else
+                self.accounts[item.for_account].order,  # type: ignore
+        )
 
 
     def accept_item(self, item: ModelItem) -> bool: