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|
use clap::{
Arg,
App,
ArgMatches,
crate_version,
crate_authors,
crate_description
};
use chrono::Duration;
use colored::*;
use budget::*;
fn main() {
let matches = get_cli_matches();
let no_color = matches.occurrences_of("plain") > 0;
let force_color = matches.occurrences_of("force-color") > 0;
let input = matches.value_of("INPUT").unwrap();
let account = match budget::parse_account(input) {
Ok(data) => data,
Err(error) => {
match error {
ParseError::IOError(kind) => {
println!("IO error while parsing: {:?}", kind);
},
ParseError::DeserializerError(_) => {
println!("Can't parse the file, invalid syntax");
},
}
::std::process::exit(1);
}
};
let maybe_calculated = budget::calculate(&account);
if no_color && !force_color {
colored::control::set_override(false);
} else if force_color {
colored::control::set_override(true);
}
output(account, maybe_calculated);
}
fn get_cli_matches() -> ArgMatches<'static> {
App::new("finbudg")
.version(crate_version!())
.author(crate_authors!())
.about(crate_description!())
.arg(Arg::with_name("plain")
.short("p")
.long("plain")
.help("Don't colorize the output. Can also be set \
with the NO_COLOR environment variable.")
.takes_value(false))
.arg(Arg::with_name("force-color")
.long("force-color")
.help("Forces colorized output even when piping. Takes \
precedence over --plain flag and NO_COLOR environment \
variable")
.takes_value(false))
.arg(Arg::with_name("INPUT")
.help("Expenses file in toml format to calculate from.")
.required(true)
.index(1))
.get_matches()
}
fn output(account: Account, maybe_calculated: Option<Calculated>) {
println!(
"{}",
format!(
"Your expenses for the period of {} - {}",
account.start_date.format("%Y-%m-%d"),
account.end_date.format("%Y-%m-%d"),
).cyan(),
);
let calculated = match maybe_calculated {
Some(data) => data,
None => {
println!();
println!("{}", "You have no expenses...".italic());
::std::process::exit(0);
}
};
let days_until_end = account.end_date - calculated.last_day;
println!(
"{}",
format!(
"Last day on entry: {}",
calculated.last_day.format("%Y-%m-%d"),
).cyan(),
);
println!(
"{}",
format!(
"Days until period end: {}",
days_until_end.num_days(),
).cyan(),
);
if days_until_end < Duration::zero() {
println!();
println!(
"{}",
"Your last day on entry is set after the last date of the period!"
.yellow(),
);
println!();
}
println!(
"{}",
format!(
"Budget: {:.2}",
account.budget,
).cyan(),
);
println!();
for (category, expenses) in calculated.categories_day_average.iter() {
println!(
"Average per day in {}: {:.2}",
category,
expenses,
);
}
println!(
"Average per day in essential expenses: {:.2}",
calculated.essential_day_average,
);
println!(
"Average per day: {:.2}",
calculated.all_day_average,
);
println!();
for (category, expenses) in calculated.categories_subtotal.iter() {
println!(
"Total in {}: {:.2}",
category,
expenses,
);
}
println!(
"Total in essential expenses: {:.2}",
calculated.essential_subtotal,
);
println!(
"Total: {:.2}",
calculated.total,
);
println!();
let balance_output = format!("{:.2}", calculated.balance);
let balance_output = if calculated.balance > 0.0 {
if account.budget / calculated.balance < 10.0 {
balance_output.green()
} else {
balance_output.yellow()
}
} else {
balance_output.red()
};
println!("Left on balance: {}", balance_output);
println!();
println!("Days until balance runs out:");
let days_left_output = format!(
"{:.2}",
calculated.days_left,
);
let days_left_essential_output = format!(
"{:.2}",
calculated.days_left_essential,
);
let mut all_are_healthy = true;
let mut essential_are_healthy = true;
let days_left_output =
if days_until_end.num_days() as f64 <= calculated.days_left {
days_left_output.green()
} else {
all_are_healthy = false;
days_left_output.red()
};
let days_left_essential_output =
if days_until_end.num_days() as f64 <= calculated.days_left_essential {
days_left_essential_output.green()
} else {
essential_are_healthy = false;
days_left_essential_output.red()
};
println!(
"...taking into account all expenses: {}",
days_left_output,
);
println!(
"...taking into account only essential expenses: {}",
days_left_essential_output,
);
println!();
if all_are_healthy {
println!(
"{}",
"Your expenses are healthy, they should last you from your last \
day on entry through your last day of the period.".green(),
);
} else {
println!(
"{}",
"You are spending more than you can afford with your current \
budget. Try minimizing your expenses".red(),
);
if essential_are_healthy {
println!(
"{}",
"On the other hand, if you only spend money on essentials, \
you should be able keep within your budget.".yellow(),
);
}
}
}
|
