budget_app.py

class Category:
    def __init__(self, name):
        self.name = name
        self.ledger = []

    def deposit(self, amount, description=""):
        self.ledger.append({"amount": amount, "description": description})

    def withdraw(self, amount, description=""):
        if self.check_funds(amount):
            self.ledger.append({"amount": -amount, "description": description})
            return True
        else:
            return False

    def get_balance(self):
        balance = 0
        for transaction in self.ledger:
            balance += transaction["amount"]
        return balance

    def transfer(self, amount, category):
        if self.check_funds(amount):
            self.withdraw(amount, f"Transfer to {category.name}")
            category.deposit(amount, f"Transfer from {self.name}")
            return True
        else:
            return False

    def check_funds(self, amount):
        return amount <= self.get_balance()

    def __str__(self):
        title = f"{self.name:*^30}\n"
        items = ""
        total = 0
        for transaction in self.ledger:
            description = transaction["description"][:23].ljust(23)
            amount = "{:.2f}".format(transaction["amount"]).rjust(7)
            items += f"{description}{amount}\n"
            total += transaction["amount"]
        output = title + items + "Total: {:.2f}".format(total)
        return output


def create_spend_chart(categories):
    category_names = []
    spent_percentages = []
    spent_amount = 0

    for category in categories:
        withdrawals = sum(
            transaction["amount"]
            for transaction in category.ledger
            if transaction["amount"] < 0
        )
        spent_amount += withdrawals
        category_names.append(category.name)
        spent_percentages.append(withdrawals)

    # Calculate the percentage spent for each category
    spent_percentages = [
        int((percentage / spent_amount) * 10) * 10
        for percentage in spent_percentages
    ]

    chart = "Percentage spent by category\n"

    for i in range(100, -10, -10):
        chart += str(i).rjust(3) + "| "
        for percentage in spent_percentages:
            if percentage >= i:
                chart += "o  "
            else:
                chart += "   "
        chart += "\n"

    chart += "    ----------\n"

    # Find the longest name length
    max_name_length = max(len(name) for name in category_names)

    for i in range(max_name_length):
        chart += "     "
        for name in category_names:
            if i < len(name):
                chart += name[i] + "  "
            else:
                chart += "   "
        if i != max_name_length - 1:
            chart += "\n"

    return chart