Files
PlantCtrl/Software/MainBoard/rust/src/webserver/backup_manager.rs
2026-04-06 19:51:46 +02:00

88 lines
2.5 KiB
Rust

use crate::fat_error::{FatError, FatResult};
use crate::webserver::read_up_to_bytes_from_request;
use crate::BOARD_ACCESS;
use alloc::borrow::ToOwned;
use alloc::string::{String, ToString};
use chrono::DateTime;
use edge_http::io::server::Connection;
use edge_nal::io::{Read, Write};
use log::info;
use serde::{Deserialize, Serialize};
#[derive(Serialize, Deserialize, PartialEq, Debug)]
pub struct WebBackupHeader {
timestamp: String,
size: u16,
}
pub(crate) async fn get_backup_config<T, const N: usize>(
conn: &mut Connection<'_, T, { N }>,
) -> FatResult<Option<u32>>
where
T: Read + Write,
{
let mut board = BOARD_ACCESS.get().await.lock().await;
let backup = board.board_hal.read_backup().await?;
// Second pass: stream data
conn.initiate_response(
200,
Some("OK"),
&[
("Access-Control-Allow-Origin", "*"),
("Access-Control-Allow-Headers", "*"),
("Access-Control-Allow-Methods", "*"),
],
)
.await?;
conn.write_all(serde_json::to_string(&backup)?.as_bytes())
.await?;
Ok(Some(200))
}
pub(crate) async fn backup_config<T, const N: usize>(
conn: &mut Connection<'_, T, N>,
) -> FatResult<Option<String>>
where
T: Read + Write,
{
let input = read_up_to_bytes_from_request(conn, Some(4096)).await?;
info!("Read input with length {}", input.len());
let mut board = BOARD_ACCESS.get().await.lock().await;
let config_to_backup = serde_json::from_slice(&input)?;
info!("Parsed send config to object");
board.board_hal.backup_config(&config_to_backup).await?;
Ok(Some("saved".to_owned()))
}
pub(crate) async fn backup_info<T, const N: usize>(
_request: &mut Connection<'_, T, N>,
) -> Result<Option<String>, FatError>
where
T: Read + Write,
{
let mut board = BOARD_ACCESS.get().await.lock().await;
let info = board.board_hal.backup_info().await;
let json = match info {
Ok(h) => {
info!("Got backup info: {:?}", h);
let timestamp = DateTime::from_timestamp_millis(h.timestamp).unwrap_or_default();
let wbh = WebBackupHeader {
timestamp: timestamp.to_rfc3339(),
size: h.size,
};
serde_json::to_string(&wbh)?
}
Err(err) => {
info!("Error getting backup info: {:?}", err);
let wbh = WebBackupHeader {
timestamp: err.to_string(),
size: 0,
};
serde_json::to_string(&wbh)?
}
};
Ok(Some(json))
}