Use FastAPI instead of Django

app/dependencies.py

@@ -0,0 +1,41 @@
+"""https://fastapi.tiangolo.com/tutorial/dependencies/."""
+
+from __future__ import annotations
+
+from functools import lru_cache
+from typing import Annotated
+
+import humanize
+from fastapi import Depends
+from reader import EntryCounts, FeedCounts, Reader, make_reader
+
+from app.settings import DB_PATH
+
+
+@lru_cache(maxsize=1)
+def get_reader() -> Reader:
+    """Return the reader."""
+    return make_reader(url=DB_PATH.as_posix(), search_enabled=True)
+
+
+def get_stats() -> str:
+    """Return the stats."""
+    db_size: int = DB_PATH.stat().st_size
+
+    # Get the feed counts.
+    feed_counts: FeedCounts = get_reader().get_feed_counts()
+    total_feed_counts: int | None = feed_counts.total
+    if total_feed_counts is None:
+        total_feed_counts = 0
+
+    # Get the entry counts.
+    entry_counts: EntryCounts = get_reader().get_entry_counts()
+    total_entry_counts: int | None = entry_counts.total
+    if total_entry_counts is None:
+        total_entry_counts = 0
+
+    return f"{total_feed_counts} feeds ({total_entry_counts} entries) ~{humanize.naturalsize(db_size, binary=True)}"
+
+
+CommonReader = Annotated[Reader, Depends(get_reader)]
+CommonStats = Annotated[str, Depends(get_stats)]