@loans.route('/loan/give', methods=['GET', 'POST'])
@login_required
def give():

    current_user_id = session.get('logged_in_user')

    our_accounts = Accounts(current_user_id)

    if request.method == 'POST':

        dict = __validate_give_loan_form()
        for key in dict.keys(): exec(key + " = dict['" + key + "']")

        # 'heavier' checks
        if not error:
            # valid amount?
            if is_float(amount):
                # valid date?
                if is_date(date):
                    # valid account?
                    if our_accounts.is_account(account_id=deduct_from_account):

                        # add our loans entry
                        our_loans = Loans(current_user_id)
                        our_loan_id = our_loans.add_loan(other_user_id=to_user, date=date, account_id=deduct_from_account,
                                     description=description, amount=-float(amount))

                        # add their loans entry
                        their_loans = Loans(to_user)
                        their_loan_id = their_loans.add_loan(other_user_id=current_user_id, date=date,
                                                           account_id=deduct_from_account, description=description,
                                                           amount=amount)

                        # generate slugs for the new loans
                        our_slugs = Slugs(current_user_id)
                        slug = our_slugs.add_slug(type='loan', object_id=our_loan_id, description=description)
                        their_slugs = Slugs(to_user)
                        their_slugs.add_slug(type='loan', object_id=their_loan_id, slug=slug)

                        their_accounts = Accounts(to_user)

                        # transfer money from/to respective accounts
                        our_accounts.modify_user_balance(account_id=deduct_from_account, amount=-float(amount))
                        their_accounts.modify_user_balance(amount=amount)

                        # fudge loan 'account' monies
                        our_accounts.modify_loan_balance(amount=amount, with_user_id=to_user)
                        their_accounts.modify_loan_balance(amount=-float(amount), with_user_id=current_user_id)

                        flash('Loan given')

                    else: error = 'Not a valid source account'
                else: error = 'Not a valid date'
            else: error = 'Not a valid amount'

    # fetch users from connections from us
    our_users = Users(current_user_id)
    users = our_users.get_connections()
    accounts = our_accounts.get_accounts()

    return render_template('admin_give_loan.html', **locals())
Give a loan or pay someone back
dataset/ETHPy150Open radekstepan/FlaskBudget/presenters/loans.py/give