Files
jap_learn/src/data_provider/web_api.rs
T
2026-08-18 12:14:35 +03:00

142 lines
3.7 KiB
Rust

use crate::dictionary::app_data_dir;
use std::io;
use tokio::fs::{File, OpenOptions};
use tokio::io::{AsyncReadExt, AsyncWriteExt};
use zstd::{DEFAULT_COMPRESSION_LEVEL, Decoder, Encoder};
// const API_URL: &str = "http://127.0.0.1:8089/";
const API_URL: &str = "https://learning.micialware.ru/";
pub async fn send_data(id: String) {
let path = app_data_dir();
let db_file = path.join("data.db");
let data = tokio::fs::read(db_file).await.unwrap();
let data = compress(data);
let api_url = API_URL.to_string();
let id_url = format!("{api_url}upload/stream/{id}");
let client = reqwest::Client::new();
let new_version = client
.post(&id_url)
.body(data)
.send()
.await
.unwrap()
.text()
.await
.unwrap();
set_local_version(new_version.parse::<u32>().unwrap()).await;
}
fn compress(data: Vec<u8>) -> Vec<u8> {
let mut encoder = Encoder::new(Vec::new(), DEFAULT_COMPRESSION_LEVEL).unwrap();
io::copy(&mut &data[..], &mut encoder).unwrap();
encoder.finish().unwrap()
}
pub async fn load_data(id: String, temp: bool) {
let api_url = API_URL.to_string();
let id_url = format!("{api_url}download/{id}");
let client = reqwest::Client::new();
let data = client
.get(&id_url)
.send()
.await
.unwrap()
.bytes()
.await
.unwrap()
.to_vec();
let data = decompress(data);
let path = app_data_dir();
let file_name = if temp { "data.db.tmp" } else { "data.db" };
let db_file = path.join(file_name);
tokio::fs::write(db_file, data).await.unwrap();
let version_url = format!("{API_URL}{id}/version");
let version = client
.get(&version_url)
.send()
.await
.unwrap()
.text()
.await
.unwrap();
set_local_version(version.parse::<u32>().unwrap()).await;
}
pub fn decompress(data: Vec<u8>) -> Vec<u8> {
let mut decoder = Decoder::new(&data[..]).unwrap();
let mut decompressed = Vec::new();
let res = io::copy(&mut decoder, &mut decompressed);
if let Err(e) = res {
println!("{}", e);
}
decompressed
}
pub async fn first_sync() -> String {
let id_url = API_URL.to_string() + "generate";
let client = reqwest::Client::new();
let id = client
.get(&id_url)
.send()
.await
.unwrap()
.text()
.await
.unwrap();
println!("id: {}", id);
id
}
pub async fn get_web_version(key: &str) -> Result<u32, reqwest::Error> {
let id_url = format!("{API_URL}{key}/version");
let client = reqwest::Client::new();
let version = client.get(&id_url).send().await?.text().await?;
println!("version: {}", version);
Ok(version.parse::<u32>().unwrap_or_default())
}
pub async fn get_local_version() -> u32 {
let file = app_data_dir().join("data.meta");
if file.exists() {
let mut data = String::new();
File::open(file.clone())
.await
.unwrap()
.read_to_string(&mut data)
.await
.unwrap();
return data.parse::<u32>().unwrap();
}
let mut file = OpenOptions::new()
.write(true)
.create(true)
.truncate(true)
.open(file)
.await
.unwrap();
file.write_all("0".as_bytes()).await.unwrap();
0
}
pub async fn set_local_version(version: u32) {
let file_path = app_data_dir().join("data.meta");
let mut file = OpenOptions::new()
.write(true)
.create(true)
.truncate(true)
.open(file_path)
.await
.unwrap();
file.write_all(version.to_string().as_bytes())
.await
.unwrap();
}