Large database migration

formula10/database/model/db_race_result.py

@@ -1,4 +1,3 @@
-from typing import Any, List
 from sqlalchemy import ForeignKey, String
 from sqlalchemy.orm import Mapped, mapped_column, relationship
 
@@ -11,39 +10,15 @@ class DbRaceResult(db.Model):
     It stores the corresponding race and dictionaries of place-/dnf-order and a list of drivers that are excluded from the standings for this race.
     """
     __tablename__ = "raceresult"
-    __csv_header__ = ["race_name", "pxx_driver_names_json", "first_dnf_driver_names_json", "dnf_driver_names_json", "excluded_driver_names_json"]
 
-    def __init__(self, *, race_name: str, pxx_driver_names_json: str, first_dnf_driver_names_json: str, dnf_driver_names_json: str, excluded_driver_names_json: str):
-        self.race_name = race_name  # Primary key
+    def __init__(self, *, race_id: int):
+        self.race_id = race_id  # Primary key
 
-        self.pxx_driver_names_json = pxx_driver_names_json
-        self.first_dnf_driver_names_json = first_dnf_driver_names_json
-        self.dnf_driver_names_json = dnf_driver_names_json
-        self.excluded_driver_names_json = excluded_driver_names_json
-
-    @classmethod
-    def from_csv(cls, row: List[str]):
-        db_race_result: DbRaceResult = cls(race_name=str(row[0]),
-                                           pxx_driver_names_json=str(row[1]),
-                                           first_dnf_driver_names_json=str(row[2]),
-                                           dnf_driver_names_json=str(row[3]),
-                                           excluded_driver_names_json=str(row[4]))
-        return db_race_result
-
-    def to_csv(self) -> List[Any]:
-        return [
-            self.race_name,
-            self.pxx_driver_names_json,
-            self.first_dnf_driver_names_json,
-            self.dnf_driver_names_json,
-            self.excluded_driver_names_json
-        ]
-
-    race_name: Mapped[str] = mapped_column(ForeignKey("race.name"), primary_key=True)
-    pxx_driver_names_json: Mapped[str] = mapped_column(String(1024))
-    first_dnf_driver_names_json: Mapped[str] = mapped_column(String(1024))
-    dnf_driver_names_json: Mapped[str] = mapped_column(String(1024))
-    excluded_driver_names_json: Mapped[str] = mapped_column(String(1024))
+    race_id: Mapped[int] = mapped_column(ForeignKey("race.id"), primary_key=True)
+    pxx_driver_ids_json: Mapped[str] = mapped_column(String(1024), nullable=False)
+    first_dnf_driver_ids_json: Mapped[str] = mapped_column(String(1024), nullable=False)
+    dnf_driver_ids_json: Mapped[str] = mapped_column(String(1024), nullable=False)
+    excluded_driver_ids_json: Mapped[str] = mapped_column(String(1024), nullable=False)
 
     # Relationships
-    race: Mapped[DbRace] = relationship("DbRace", foreign_keys=[race_name])
+    race: Mapped[DbRace] = relationship("DbRace", foreign_keys=[race_id])