Introduce V2 of current and historical functions

wow_token/db/trinity.py

@@ -0,0 +1,26 @@
+from wow_token.db.cached_range import CachedRange
+from wow_token.db.year_month import YearMonth
+from wow_token.flavor import Flavor
+from wow_token.region import Region
+
+
+class Trinity:
+    def __init__(self, _region: Region, _flavor: Flavor, _range: CachedRange | YearMonth):
+        self._region = _region
+        self._flavor = _flavor
+        self._range = _range
+
+    @property
+    def region(self) -> Region:
+        return self._region
+
+    @property
+    def flavor(self) -> Flavor:
+        return self._flavor
+
+    @property
+    def range(self) -> CachedRange | YearMonth:
+        return self._range
+
+    def __str__(self):
+        return f"{self._region.value}-{self._flavor.value}-{self._range}"