switch to grimmory as book web app and a more modern dashboard

grimmory.py

@@ -0,0 +1,90 @@
+import hashlib
+import logging
+import shutil
+from pathlib import Path
+
+import requests
+
+log = logging.getLogger(__name__)
+
+
+def compute_sha256(path: Path) -> str:
+    h = hashlib.sha256()
+    with path.open("rb") as f:
+        for chunk in iter(lambda: f.read(65536), b""):
+            h.update(chunk)
+    return h.hexdigest()
+
+
+def _is_in_grimmory(filename: str, url: str, user: str, password: str) -> bool:
+    """Search Grimmory Komga-compatible API by filename stem. Non-fatal on error."""
+    stem = Path(filename).stem
+    try:
+        r = requests.get(
+            url.rstrip("/") + "/api/v1/books",
+            params={"search": stem},
+            auth=(user, password),
+            timeout=10,
+        )
+        if r.status_code == 200:
+            return r.json().get("totalElements", 0) > 0
+        log.warning("Grimmory search returned HTTP %s for '%s'", r.status_code, stem)
+    except Exception as e:
+        log.warning("Grimmory duplicate check failed for '%s': %s", filename, e)
+    return False
+
+
+class PlacementResult:
+    __slots__ = ("status", "sha256", "error_msg")
+
+    def __init__(self, status: str, sha256: str = "", error_msg: str = ""):
+        self.status = status
+        self.sha256 = sha256
+        self.error_msg = error_msg
+
+
+def place_book(
+    book_path: Path,
+    bookdrop_path: str,
+    url: str,
+    user: str,
+    password: str,
+    sha256: str | None = None,
+) -> PlacementResult:
+    if sha256 is None:
+        sha256 = compute_sha256(book_path)
+
+    if _is_in_grimmory(book_path.name, url, user, password):
+        log.info("Skipping '%s' — already in Grimmory", book_path.name)
+        return PlacementResult("skipped", sha256)
+
+    dest_dir = Path(bookdrop_path)
+    dest_dir.mkdir(parents=True, exist_ok=True)
+    dest = dest_dir / book_path.name
+    counter = 1
+    while dest.exists():
+        dest = dest_dir / f"{book_path.stem}_{counter}{book_path.suffix}"
+        counter += 1
+
+    shutil.copy2(book_path, dest)
+    log.info("Placed '%s' → %s", book_path.name, dest)
+    return PlacementResult("success", sha256)
+
+
+def test_connection(url: str, user: str, password: str) -> tuple[bool, str]:
+    try:
+        r = requests.get(
+            url.rstrip("/") + "/api/v1/books",
+            params={"size": 1},
+            auth=(user, password),
+            timeout=10,
+        )
+        if r.status_code == 200:
+            return True, "Connected to Grimmory successfully"
+        if r.status_code == 401:
+            return False, "Authentication failed — check username and password"
+        return False, f"HTTP {r.status_code}"
+    except requests.exceptions.ConnectionError:
+        return False, "Could not connect — check the URL"
+    except Exception as e:
+        return False, str(e)