tiempo-rs/src/formatters.rs

121 lines
3.2 KiB
Rust

use std::str::FromStr;
use std::io::Write;
use serde::{Serialize, Deserialize};
use crate::error;
use crate::models::Entry;
use crate::commands::Facts;
pub mod text;
pub mod csv;
pub mod json;
pub mod ids;
pub mod ical;
pub mod custom;
pub mod chart;
#[derive(Debug, Clone, Serialize, Deserialize)]
#[serde(rename_all = "lowercase")]
pub enum Formatter {
Text,
Csv,
Json,
Ids,
Ical,
Chart,
Custom(String),
}
impl Default for Formatter {
fn default() -> Formatter {
Formatter::Text
}
}
impl Formatter {
/// Prints the given entries to the specified output device.
///
/// the current time is given as the `now` argument and the offset from UTC
/// to the local timezone is given in `offset` to prevent this function from
/// using a secondary effect to retrieve the time and conver dates. This
/// also makes it easier to test.
pub fn print_formatted<O, E>(&self, entries: Vec<Entry>, out: &mut O, err: &mut E, facts: &Facts, ids: bool) -> error::Result<()>
where
O: Write,
E: Write,
{
match &self {
Formatter::Text => text::print_formatted(entries, out, facts, ids)?,
Formatter::Csv => csv::print_formatted(entries, out, ids)?,
Formatter::Json => json::print_formatted(entries, out)?,
Formatter::Ids => ids::print_formatted(entries, out)?,
Formatter::Ical => ical::print_formatted(entries, out, facts.now)?,
Formatter::Chart => chart::print_formatted(entries, out, facts)?,
Formatter::Custom(name) => custom::print_formatted(name, entries, out, err, facts)?,
}
Ok(())
}
}
impl FromStr for Formatter {
type Err = error::Error;
fn from_str(s: &str) -> error::Result<Formatter> {
Ok(match s.to_lowercase().as_str() {
"text" => Formatter::Text,
"csv" => Formatter::Csv,
"json" => Formatter::Json,
"ids" => Formatter::Ids,
"ical" => Formatter::Ical,
"chart" => Formatter::Chart,
custom_format => Formatter::Custom(custom_format.into()),
})
}
}
#[cfg(test)]
mod tests {
use super::*;
fn autocomplete(s: &str) -> error::Result<Formatter> {
let formatters = vec!["text", "csv", "json", "ids", "ical", "chart"];
if s.len() > 1 {
for formatter in formatters {
if formatter.contains(s) {
return Formatter::from_str(formatter)
}
}
}
Err(error::Error::InvalidAutocompleteFormatter(s.to_string()))
}
#[test]
fn valid_autocomplete_starts_with() {
let format = autocomplete("tex");
assert!(format.is_ok());
}
#[test]
fn valid_autocomplete_contains() {
let format = autocomplete("sv");
assert!(format.is_ok());
}
#[test]
fn invalid_autocomplete_to_short() {
let format = autocomplete("s");
assert!(format.is_err());
}
#[test]
fn invalid_autocomplete_does_not_contains() {
let format = autocomplete("fail");
assert!(format.is_err());
}
// TODO: autocomplete for custom formatter
}