allow year relative filtering

unwind/web.py

@@ -1,6 +1,7 @@
 import base64
 import binascii
 import logging
+from typing import Literal
 
 from starlette.applications import Starlette
 from starlette.authentication import (
@@ -50,6 +51,18 @@ def truthy(s: str):
     return bool(s) and s.lower() in {"1", "yes", "true"}
 
 
+def yearcomp(s: str):
+    if not s:
+        return
+
+    comp: Literal["<", "=", ">"] = "="
+    if (prefix := s[0]) in "<=>":
+        comp = prefix  # type: ignore
+        s = s[len(prefix) :]
+
+    return comp, int(s)
+
+
 async def ratings(request):
     params = request.query_params
     rows = await find_ratings(
@@ -57,7 +70,7 @@ async def ratings(request):
         media_type=params.get("media_type"),
         ignore_tv_episodes=truthy(params.get("ignore_tv_episodes")),
         include_unrated=truthy(params.get("include_unrated")),
-        year=int(params["year"]) if "year" in params else None,
+        yearcomp=yearcomp(params["year"]) if "year" in params else None,
     )
 
     aggr = {}