loginHandler.go

// Handles the users login and gives them a cookie for doing so
func loginHandler(w http.ResponseWriter, r *http.Request) {

        // Generate a new User Struct
	usr := new(user.User)
      
        // Read the email value from the form
	usr.Email = r.FormValue("email")

        // Read the password value from the form
	pass := r.FormValue("pwd")

        // Find the user profile in the user database
	userProfile := user.FindUser(usr.Email)

	if len(pass) > 0 { 

                // Encode the password for check - Late blogpost will review this
		usr.Password = codify.SHA(pass)

                // Check to see if the credentials match the database
		ok := user.CheckCredentials(usr.Email, usr.Password)

		if ok {

			usr = userProfile
      
                        // Create a custom user page, to be displayed
			user.CreateUserFile(usr.Email)

                        // Generates a cookie for the user (so they don't have to login again)
			cookie := cookies.LoginCookie(usr.Email)

                        // Sends Cookie
			http.SetCookie(w, &cookie)

                        // Gives the user a session id
			usr.SessionID = cookie.Value

                        // Updates user data in database, w/ session ID
			_ = user.UpdateUser(usr)

                        // Redirects the user to /login-succeeded
			http.Redirect(w, r, "/login-succeeded", http.StatusFound)

		} else {
			http.Redirect(w, r, "/login-failed", http.StatusFound)
		}
	} else {
		viewHandler(w, r)
	}
}