Add google books provider

.gitignore

@@ -1,3 +1,4 @@
 .venv
 data
 **/__pycache__
+.google-books-key

isbn_sort/__init__.py

@@ -9,6 +9,13 @@ app = Flask(__name__)
 app.config["DATABASE"] = "data/books.sqlite"
 app.config["SECRET_KEY"] = secrets.token_hex()
 
+if not os.path.exists(".google-books-key"):
+    print("No Google books api key found")
+    app.config["GOOGLE_BOOKS_KEY"] = None
+else:
+    with open(".google-books-key") as f:
+        app.config["GOOGLE_BOOKS_KEY"] = f.read().strip()
+
 app.register_blueprint(app_bp)
 
 

isbn_sort/app.py

@@ -35,16 +35,26 @@ def submit_isbn():
         return "Pas le bon format de QR code"
 
     try:
-        book.load()
-    except KeyError:
-        isbn_db.add_book(book)
-        announce_book(book)
-        return "Pas trouvé, à rajouter manuellement"
-
-    print("Got ", book)
-    if isbn_db.add_book(book) == "duplicate":
+        book = isbn_db.get_book(book.isbn)
+        assert isbn_db.add_book(book) == "duplicate" # duplicate
         announce_book(isbn_db.get_book(book.isbn), msg_type="update_book")
         return f"{book.title} ajouté (plusieurs occurrences)"
+    except IndexError:
+        pass
+
+    try:
+        book.load(loader="google_books", config=current_app.config)
+        print("Got ", book, "[Google]")
+    except KeyError:
+        try:
+            book.load(loader="openlibrary", config=current_app.config)
+            print("Got ", book, "[OpenLibrary]")
+        except KeyError:
+            isbn_db.add_book(book)
+            announce_book(book)
+            return "Pas trouvé, à rajouter manuellement"
+
+    isbn_db.add_book(book)
     announce_book(book)
     return f"{book.title} ajouté"
 

isbn_sort/book.py

@@ -19,7 +19,7 @@ class Book:
         self.author = None
         self.count = -1
 
-    def _openlibrary_load(self):
+    def _openlibrary_load(self, _):
         r = requests.get(f"https://openlibrary.org/api/books?bibkeys=ISBN:{self.isbn}&jscmd=details&format=json")
 
         if r.status_code != 200:
@@ -43,6 +43,36 @@ class Book:
             self.publish_date = isbn_data["details"]["publish_date"]
 
     
+    def _google_books_load(self, config):
+        if config["GOOGLE_BOOKS_KEY"] is None:
+            key_param = ""
+        else:
+            key_param = f"&key={config['GOOGLE_BOOKS_KEY']}"
+        
+        r = requests.get(f"https://www.googleapis.com/books/v1/volumes?q=isbn:{self.isbn}{key_param}")
+
+        if r.status_code != 200:
+            raise requests.RequestException(f"Got an error on the request. Status code: {r.status_code}")
+
+        data = json.loads(r.content)
+
+        if data["totalItems"] == 0:
+            raise KeyError("Not found in Google Books")
+
+        item = data["items"][0]
+
+        self.title = item["volumeInfo"]["title"]
+
+        if "publisher" in item["volumeInfo"]:
+            self.publisher = item["volumeInfo"]["publisher"]
+
+        if "publishedDate" in item["volumeInfo"]:
+            self.publish_date = item["volumeInfo"]["publishedDate"]
+
+        if "authors" in item["volumeInfo"]:
+            self.author = item["volumeInfo"]["authors"][0]
+
+
     def _manual_load(self, title, publisher=None, publish_date=None, author=None, count=-1):
         self.title = title
         self.publisher = publisher
@@ -50,9 +80,13 @@ class Book:
         self.author = author
         self.count = count
 
-    def load(self, loader="openlibrary"):
+    def load(self, config, loader="openlibrary"):
         if loader == "openlibrary":
-            return self._openlibrary_load()
+            return self._openlibrary_load(config)
+        elif loader == "google_books":
+            return self._google_books_load(config)
+        else:
+            raise ValueError("Invalid loader")
 
     def __repr__(self):
         if self.title is None:

start.sh

@@ -0,0 +1 @@
+flask run --host=0.0.0.0 --port=5000