feat(beatmap,score): support failtime & more exact playtime

app/database/failtime.py

@@ -0,0 +1,56 @@
+from struct import Struct
+from typing import TYPE_CHECKING
+
+from pydantic import BaseModel
+from sqlmodel import (
+    VARBINARY,
+    Column,
+    Field,
+    Relationship,
+    SQLModel,
+)
+
+if TYPE_CHECKING:
+    from .beatmap import Beatmap
+FAILTIME_STRUCT = Struct("<100i")
+
+
+class FailTime(SQLModel, table=True):
+    __tablename__ = "failtime"  # pyright: ignore[reportAssignmentType]
+    beatmap_id: int = Field(primary_key=True, index=True, foreign_key="beatmaps.id")
+    exit: bytes = Field(sa_column=Column(VARBINARY(400), nullable=False))
+    fail: bytes = Field(sa_column=Column(VARBINARY(400), nullable=False))
+
+    beatmap: "Beatmap" = Relationship(back_populates="failtimes")
+
+    @property
+    def exit_(self) -> list[int]:
+        return list(FAILTIME_STRUCT.unpack(self.exit))
+
+    @property
+    def fail_(self) -> list[int]:
+        return list(FAILTIME_STRUCT.unpack(self.fail))
+
+    @classmethod
+    def from_resp(cls, beatmap_id: int, failtime: "FailTimeResp") -> "FailTime":
+        return cls(
+            beatmap_id=beatmap_id,
+            exit=FAILTIME_STRUCT.pack(*failtime.exit),
+            fail=FAILTIME_STRUCT.pack(*failtime.fail),
+        )
+
+
+class FailTimeResp(BaseModel):
+    exit: list[int] = Field(
+        default_factory=lambda: list(FAILTIME_STRUCT.unpack(b"\x00" * 400))
+    )
+    fail: list[int] = Field(
+        default_factory=lambda: list(FAILTIME_STRUCT.unpack(b"\x00" * 400))
+    )
+
+    @classmethod
+    def from_db(cls, failtime: FailTime) -> "FailTimeResp":
+        return cls(
+            exit=list(FAILTIME_STRUCT.unpack(failtime.exit)),
+            fail=list(FAILTIME_STRUCT.unpack(failtime.fail)),
+        )