refactor(openweather): rework openweather parser

gallery/sketch/weather/model.py

@@ -1,6 +1,6 @@
 import datetime
 from enum import StrEnum, auto
-from typing import Self
+from typing import Literal, Self
 
 from pydantic import BaseModel, Field
 
@@ -76,16 +76,16 @@ class Wind(Model):
 
 class WeatherValue(Model):
     date: datetime.datetime
-    sky: Sky
-    wind: Wind
-    temperature: list[int]
+    sky: Sky = Field(default_factory=Sky)
+    wind: Wind = Field(default_factory=Wind)
+    temperature: list[int] = Field(default_factory=list)
     precipitation: float = 0
-    pressure: list[int] = Field(default=[])
+    pressure: list[int] = Field(default_factory=list)
     humidity: int = -1
 
 
 class WeatherResponse(Model):
     location: str
     date: datetime.date
-    period: str
+    period: Literal["day", "days"] = "day"
     values: list[WeatherValue]