(20241207) More progress in the telegram wrapper.

utils_v2/telegram/models/data/update.py

@@ -86,10 +86,11 @@ class TelegramParticipant(BaseModel):
         frozen = True
     )
 
-    firstName: str = Field(
+    firstName: str | None = Field(
         description = "the first name of this participant",
         alias = "first_name",
-        frozen = True
+        frozen = True,
+        default = None
     )
 
     lastName: str | None = Field(
@@ -133,10 +134,11 @@ class TelegramChat(BaseModel):
         frozen = True
     )
 
-    firstName: str = Field(
+    firstName: str | None = Field(
         description = "the first name of this chat",
         alias = "first_name",
-        frozen = True
+        frozen = True,
+        default = None
     )
 
     lastName: str | None = Field(
@@ -661,8 +663,10 @@ class TelegramMessage(BaseModel):
 
     @field_validator("photo")
     def sort_photo_sizes(cls, value):
-        value = sorted(value, key = lambda x: x.width, reverse = True)
-        for index, res in enumerate(["original", "large", "medium", "small"]): value[index].resolution = res
+        value = sorted(value, key = lambda x: x.width, reverse = False)
+        # res_list = ["original", "large", "medium", "small"]
+        res_list = ["small", "medium", "large", "max"]
+        for index, res in enumerate(res_list[:len(value)]): value[index].resolution = res
         return value
 
 
@@ -671,10 +675,11 @@ class TelegramMessage(BaseModel):
 
 class TelegramUpdate(BaseModel):
 
-    updateId: int = Field(
+    updateId: int | None = Field(
         description = "an update from telegram; typically a message",
         alias = "update_id",
-        frozen = True
+        frozen = True,
+        default = None
     )
 
     message: TelegramMessage | None = Field(