ecb-rates/src/cli.rs

103 lines
2.6 KiB
Rust

use clap::{arg, Parser, ValueEnum};
use crate::ecb_url;
#[derive(Debug, Parser)]
#[command(author, version, about)]
pub struct Cli {
/// Which currencies do you want to fetch rates for?
#[arg(long = "currencies", short = 'c')]
pub currencies: Vec<String>,
#[arg(value_enum, default_value_t = FormatOption::Plain)]
pub command: FormatOption,
/// Don't show time in output
#[arg(long = "no-time")]
pub no_time: bool,
/// Print currencies in a compact single line
#[arg(long = "compact")]
pub compact: bool,
/// Override the cache
#[arg(long = "no-cache")]
pub no_cache: bool,
/// Force color in output. Normally it will disable color in pipes
#[arg(long = "force-color")]
pub force_color: bool,
/// Sort by the currency name (in alphabetical order), or by the rate value (low -> high)
#[arg(value_enum, long = "sort-by", short = 's', default_value_t = SortBy::Currency)]
pub sort_by: SortBy,
/// Recalculate to the perspective from an included currency
#[arg(long = "perspective", short = 'p')]
pub perspective: Option<String>,
/// Invert the rate
#[arg(long = "invert", short = 'i')]
pub should_invert: bool,
//// Max decimals to keep in price.
#[arg(long = "max-decimals", short = 'd', default_value_t = 5)]
pub max_decimals: u8,
/// Amount of data
#[arg(value_enum, default_value_t = View::TODAY, long="view", short='v')]
pub view: View,
}
#[derive(Debug, Clone, Copy, ValueEnum)]
pub enum SortBy {
Currency,
Rate,
}
#[derive(Debug, Clone, Copy, ValueEnum)]
pub enum View {
#[clap(name = "last-day")]
TODAY,
#[clap(name = "last-90-days")]
HistDays90,
#[clap(name = "all-days")]
HistDaysAll,
}
impl View {
pub fn to_ecb_url(&self) -> &'static str {
match self {
View::TODAY => ecb_url::TODAY,
View::HistDays90 => ecb_url::hist::DAYS_90,
View::HistDaysAll => ecb_url::hist::DAYS_ALL,
}
}
pub fn get_name(&self) -> &'static str {
match self {
View::TODAY => "today",
View::HistDays90 => "last-90-days",
View::HistDaysAll => "all-days",
}
}
}
impl SortBy {
pub fn get_comparer(&self) -> fn(&(&str, f64), &(&str, f64)) -> std::cmp::Ordering {
match self {
Self::Currency => |a, b| a.0.cmp(&b.0),
Self::Rate => |a, b| a.1.total_cmp(&b.1),
}
}
}
#[derive(Debug, Clone, Copy, ValueEnum)]
pub enum FormatOption {
/// JSON output
Json,
/// Plain line-by-line output (with extra flags)
Plain,
}