Handles the websocket connection to Finnhub API.

Gets the difference between the avg purchase price * shares and current purchase price * shares.

this returns slices of information in the format of the above struct.

GetUserFunds is protected and user must be logged in to get the user funds.

Gets value of portfolio based on stock price * shares owned + funds.

Initializes tables if necessary.

JWTPathProtection This handler can be applied to anything that requires the user to log in.

Http status meanings in this function: 400 - Username not found 401 - Ticker not found 402 - Share quantity is not in range 1-50 403 - Not enough funds for the purchase */.

Http status meanings in this function: 404 - Username not found 405 - Ticker not found 406 - User doesn't any shares of the stock he wants to sell 407 - Invalid shares quantity input 408 - User trying to sell more shares than he owns */.

local db connection -(fill in password and remove "<>", create "godb" schema in your database).

AngularHandler loads angular assets.

database variable.

To keep track of history - a log book essentially.

For keeping track of stocks a user owns.