Initial creation of ETL files

src/extract.py

@@ -0,0 +1,45 @@
+import os
+import requests
+import json
+
+google_api_key = os.getenv("GOOGLE_API_KEY")
+
+class GoogleBooks():
+    def fetch_book_data_by_author(author, offset=0):
+        url = (f"https://www.googleapis.com/books/v1/volumes?q=inauthor:{author}"
+               "&fields=items(volumeInfo/title,volumeInfo/authors,volumeInfo/publishedDate,"
+               f"volumeInfo/industryIdentifiers,volumeInfo/categories)&startIndex={offset}")
+
+        response = requests.get(url, headers={"key": google_api_key})
+        return response.json()
+
+
+    def fetch_book_data_by_title(title, offset=0):
+        title = title.replace(" ", "+")
+
+        url = (f"https://www.googleapis.com/books/v1/volumes?q=intitle:{title}"
+               "&fields=items(volumeInfo/title,volumeInfo/authors,volumeInfo/publishedDate,"
+               f"volumeInfo/industryIdentifiers,volumeInfo/categories)&startIndex={offset}")
+        
+        response = requests.get(url, headers={'key': google_api_key})
+        return response.json()
+
+    def fetch_book_data_by_genre(genre, offset=0):
+        pass
+
+class OpenLibrary():
+    def fetch_book_data_by_author(author):
+        url = f"https://openlibrary.org/search.json?author={author}&lang=en&fields=author_name,title,key,isbn"
+        
+        response = requests.get(url, headers={'User-Agent': 'Kalar-LMS nick@kalar.codes'})
+        return response.json()
+
+    def fetch_book_data_by_title(title):
+        pass
+
+    def fetch_book_data_by_genre(genre):
+        pass
+
+if __name__ == "__main__":
+    print(GoogleBooks.fetch_book_data_by_author('Tolkien'))
+    print(OpenLibrary.fetch_book_data_by_author('Tolkien'))