Move utils to openlibrary module

vrobbler/apps/books/openlibrary.py

@@ -0,0 +1,46 @@
+import json
+import requests
+import logging
+
+logger = logging.getLogger(__name__)
+
+SEARCH_URL = "https://openlibrary.org/search.json?title={title}"
+ISBN_URL = "https://openlibrary.org/isbn/{isbn}.json"
+
+
+def get_first(key: str, result: dict) -> str:
+    obj = ""
+    if obj_list := result.get(key):
+        obj = obj_list[0]
+    return obj
+
+
+def lookup_book_from_openlibrary(title: str, author: str = None) -> dict:
+    search_url = SEARCH_URL.format(title=title)
+    response = requests.get(search_url)
+
+    if response.status_code != 200:
+        logger.warn(f"Bad response from OL: {response.status_code}")
+        return {}
+
+    results = json.loads(response.content)
+
+    if len(results.get("docs")) == 0:
+        logger.warn(f"No results found from OL for {title}")
+        return {}
+
+    top = results.get("docs")[0]
+    if author and author not in top["author_name"]:
+        logger.warn(
+            f"Lookup for {title} found top result with mismatched author"
+        )
+
+    return {
+        "title": top.get("title"),
+        "isbn": top.get("isbn")[0],
+        "openlibrary_id": top.get("cover_edition_key"),
+        "author_name": get_first("author_name", top),
+        "author_openlibrary_id": get_first("author_key", top),
+        "goodreads_id": get_first("id_goodreads", top),
+        "first_publish_year": top.get("first_publish_year"),
+    }