chore(db)!: Database methods

src/arcaea_offline/database.py

@@ -50,6 +50,8 @@ class Database(metaclass=Singleton):
     def sessionmaker(self):
         return self.__sessionmaker
 
+    # region init
+
     def init(self, checkfirst: bool = True):
         # create tables & views
         if checkfirst:
@@ -80,6 +82,7 @@ class Database(metaclass=Singleton):
             + list(ScoresBase.metadata.tables.keys())
             + list(ConfigBase.metadata.tables.keys())
             + [
+                Chart.__tablename__,
                 ScoreCalculated.__tablename__,
                 ScoreBest.__tablename__,
                 CalculatedPotential.__tablename__,
@@ -87,30 +90,56 @@ class Database(metaclass=Singleton):
         )
         return all(inspect(self.engine).has_table(t) for t in expect_tables)
 
+    # endregion
+
     def version(self) -> Union[int, None]:
         stmt = select(Property).where(Property.key == "version")
         with self.sessionmaker() as session:
             result = session.scalar(stmt)
         return None if result is None else int(result.value)
 
+    # region Pack
+
     def get_packs(self):
         stmt = select(Pack)
         with self.sessionmaker() as session:
-            results = list(session.scalars(stmt))
-        return results
+            results = session.scalars(stmt)
+        return list(results)
 
-    def get_pack_by_id(self, value: str):
-        stmt = select(Pack).where(Pack.id == value)
+    def get_pack_by_id(self, pack_id: str):
+        stmt = select(Pack).where(Pack.id == pack_id)
         with self.sessionmaker() as session:
             result = session.scalar(stmt)
         return result
 
-    def get_charts_in_pack(self, pack: str):
-        stmt = (
-            select(ChartInfo)
-            .join(Song, (Song.id == ChartInfo.song_id))
-            .where(Song.set == pack)
+    # endregion
+
+    # region Chart
+
+    def get_charts_by_pack_id(self, pack_id: str):
+        stmt = select(Chart).where(Chart.set == pack_id)
+        with self.sessionmaker() as session:
+            results = session.scalars(stmt)
+        return list(results)
+
+    def get_charts_by_song_id(self, song_id: str):
+        stmt = select(Chart).where(Chart.song_id == song_id)
+        with self.sessionmaker() as session:
+            results = session.scalars(stmt)
+        return list(results)
+
+    def get_chart(self, song_id: str, rating_class: int):
+        stmt = select(Chart).where(
+            (Chart.song_id == song_id) & (Chart.rating_class == rating_class)
         )
         with self.sessionmaker() as session:
-            results = list(session.scalars(stmt))
-        return results
+            result = session.scalar(stmt)
+        return result
+
+    # endregion
+
+    def get_b30(self):
+        stmt = select(CalculatedPotential.b30).select_from(CalculatedPotential)
+        with self.sessionmaker() as session:
+            result = session.scalar(stmt)
+        return result