Files
jap_learn/src/data_provider/history.rs
T
2026-08-15 21:32:24 +03:00

92 lines
2.6 KiB
Rust

use crate::dictionary::app_data_dir;
use crate::lang::WordOpenMode;
use chrono::{DateTime, Utc};
use std::fs;
use std::fs::{File, OpenOptions};
use std::io::Write;
use std::io::{BufRead, BufReader};
use std::path::PathBuf;
pub fn get_history_of_set(id: u32) -> Vec<HistoryItem> {
let app_dir = history_dir();
let head = app_dir.clone().join(format!("set_{}_history.csv", id));
let mut lines = Vec::new();
append_lines_if_exists(head, &mut lines);
lines.reverse();
parse_history_items(lines)
}
fn append_lines_if_exists(path: PathBuf, lines: &mut Vec<String>) {
if path.exists() {
let reader = BufReader::new(File::open(path).unwrap());
for line in reader.lines() {
lines.push(line.unwrap());
}
}
}
fn parse_history_items(strings: Vec<String>) -> Vec<HistoryItem> {
let mut items = Vec::with_capacity(strings.len());
for string in strings {
if let [time, word, mode, before, after] = string.split(';').collect::<Vec<&str>>()[..] {
items.push(HistoryItem {
timestamp: DateTime::from_timestamp(time.parse().unwrap(), 0).unwrap(),
word_id: word.parse::<u32>().unwrap(),
mode: match mode.parse::<u8>().unwrap() {
2 => WordOpenMode::Hard,
3 => WordOpenMode::Ok,
4 => WordOpenMode::Easy,
_ => WordOpenMode::None,
},
before: before.parse().unwrap(),
after: after.parse().unwrap(),
});
}
}
items
}
pub fn push_note(set_id: u32, item: HistoryItem) {
let app_dir = history_dir();
let path = app_dir.clone().join(format!("set_{}_history.csv", set_id));
let mut file = OpenOptions::new()
.create(true)
.append(true)
.open(path)
.unwrap();
let line_str = format!(
"{};{};{};{};{}",
item.timestamp.timestamp(),
item.word_id,
match item.mode {
WordOpenMode::Easy => 4,
WordOpenMode::Ok => 3,
WordOpenMode::Hard => 2,
WordOpenMode::None => 1,
},
item.before,
item.after
);
writeln!(&mut file, "{}", line_str).unwrap();
}
pub fn history_dir() -> PathBuf {
let directory = app_data_dir().join("history");
if !directory.exists() {
fs::create_dir(directory.clone()).unwrap();
}
directory
}
#[derive(Clone)]
pub struct HistoryItem {
pub timestamp: DateTime<Utc>,
pub word_id: u32,
pub mode: WordOpenMode,
pub before: u8,
pub after: u8,
}