Struct Expense 

pub struct Expense {
    pub date: String,
    pub description: String,
    pub expense_type: String,
    pub amount: f64,
}

The Expense struct; helps reading/writing data in a structured manner. It reflects the schema of the database.

Fields

date: String

description: String

expense_type: String

amount: f64

Implementations

impl Expense

pub fn new( date: String, description: String, expense_type: String, amount: f64, ) -> Self

pub fn add_expense() -> Result<(), Box<dyn Error>>

Function to add and expense to the database.

Takes input from stdin for date, description, expense type and amount. Support YYYY-MM-DD and YYYY/MM/DD date format as input. For amount no denoination is expected as of now.

pub fn edit_expenses(file_name: &str) -> Result<(), Box<dyn Error>>

Allows editing the database by specifying an EDITOR environment variable. By default its nano.

pub fn append_to_csv( file_name: &str, expense: &Expense, ) -> Result<(), Box<dyn Error>>

Allows adding data to the end of the database

pub fn read_csv(file_name: &str) -> Result<Vec<Expense>, Box<dyn Error>>

Read the database if its present from ~/.local/share/budget-tracker/expenses.csv; if not present it returns an error.

pub fn create_expenses_csv() -> Result<(), Box<dyn Error>>

Creates the database. Usually called when running the program for the first time.

Trait Implementations

impl Clone for Expense

fn clone(&self) -> Expense

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Expense

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.