added share logic, created double-share problem

share.py

@@ -0,0 +1,29 @@
+from sqlalchemy import create_engine
+from sqlalchemy.orm import sessionmaker
+from config import CONFIG
+from create_db import User, Card
+
+
+from hashlib import md5, new
+
+
+engine = create_engine(CONFIG['DB_CONNECTION'])
+dbsessionmaker = sessionmaker(bind=engine)
+dbsession = dbsessionmaker()
+
+
+def share(card, user_id):
+    print(card.share_id, card.id)
+    #tu bi lahko naredili nek autoincrement ampak i guess da hash unique idja tudi daje unique share_id, tega potem uporabljamo, da preverimo matche
+    h = md5(str(card.id).encode("utf-8")).hexdigest()
+    print("hash: ", h)
+    card.share_id = h
+
+    # all users 
+    users = dbsession.query(User).filter(User.id != user_id).all()
+    for user in users:
+        print("hey, ", user.id)
+        #TODO skip če že ima ta card v db.
+        new_card = card = Card(title=card.title, interest_rate=-1.0, owner_id=user.id, item_location=card.item_location, last_review=None, share_id=h)
+        dbsession.add(new_card)
+        dbsession.commit()