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use std::{env, fs, path::PathBuf};
use anyhow::{Result, anyhow};
use rand::{RngExt, rand_core::UnwrapErr, rngs::SysRng};
use serde::Deserialize;
#[derive(Deserialize)]
pub struct Quoter {
#[serde(skip)]
randomizer: UnwrapErr<SysRng>,
groups: (
(usize, usize),
(usize, usize),
(usize, usize),
(usize, usize),
),
quotes: Vec<Quote>,
}
impl Quoter {
pub fn get_random(&mut self) -> Result<Quote> {
self.get_range((0, self.quotes.len()))
}
fn get_range(&mut self, range: (usize, usize)) -> Result<Quote> {
if self.quotes.is_empty() {
return Err(anyhow!("There are no quotes in your quote files"));
}
let (l, r) = range;
if l > r || l > self.quotes.len() || r > self.quotes.len() {
return Err(anyhow!("Your quotes file is corrupted"));
}
Ok(self
.quotes
.get(
self.randomizer
.sample(rand::distr::uniform::Uniform::new(l, r + 1)?),
)
.cloned()
.unwrap())
}
pub fn get_short(&mut self) -> Result<Quote> {
self.get_range(self.groups.0)
}
pub fn get_medium(&mut self) -> Result<Quote> {
self.get_range(self.groups.1)
}
pub fn get_long(&mut self) -> Result<Quote> {
self.get_range(self.groups.2)
}
pub fn get_huge(&mut self) -> Result<Quote> {
self.get_range(self.groups.3)
}
}
#[derive(Deserialize, Clone)]
pub struct Quote {
pub text: String,
pub source: Option<String>,
}
pub fn get_config_folder() -> Result<PathBuf> {
let mut path = match env::var("HOME") {
Ok(a) => PathBuf::from(a),
Err(_) => panic!("Can't access config folder"),
};
path.push(".config");
path.push("marika-finger-blaster");
if !path.exists() {
if path.is_file() {
fs::remove_file(&path)?;
}
fs::create_dir_all(&path)?;
}
Ok(path)
}
pub fn get_quoter() -> Result<Quoter> {
let mut config_folder = get_config_folder()?;
config_folder.push("quotes.json");
if !config_folder.exists() {
return Err(anyhow!("There's no quotes.json file"));
}
let r = fs::File::open(&config_folder)?;
let quoter = serde_json::from_reader(r)?;
Ok(quoter)
}
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