Extracted frontend from webservice to new directory

Updated directory structure
Updated .gitignore

api/api_blueprint_portfolio.py

@@ -0,0 +1,33 @@
+import os
+
+from apiflask import APIBlueprint
+from flask import jsonify
+
+from db import db
+from helper_functions import get_user_id_from_username, get_username_or_abort_401
+from models import Transaction
+from auth import auth
+
+portfolio_blueprint = APIBlueprint('portfolio', __name__, url_prefix='/api')
+__location__ = os.path.realpath(os.path.join(os.getcwd(), os.path.dirname(__file__)))
+
+
+@portfolio_blueprint.route('/portfolio', methods=['GET'])
+@portfolio_blueprint.output(200)
+@portfolio_blueprint.auth_required(auth)
+@portfolio_blueprint.doc(summary="Returns portfolio", description="Returns all shares of current user")
+def get_portfolio():
+    username = get_username_or_abort_401()
+
+    return_portfolio = {}
+    transactions = db.session.query(Transaction).filter_by(user_id=get_user_id_from_username(username)).all()
+
+    if transactions is not None:
+        for row in transactions:
+            if row.symbol in return_portfolio:
+                return_portfolio[row.symbol]['count'] += row.count
+                return_portfolio[row.symbol]['last_transaction'] = row.time
+            else:
+                return_portfolio[row.symbol] = {"count": row.count, "last_transaction": row.time}
+
+    return jsonify({"status": 200, "text": "Successfully loaded symbols", "data": return_portfolio})