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propper mapping of day to filename

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Djeeberjr 2025-10-10 01:49:32 +02:00
parent f1b471c6d8
commit 9b926f7a34
1 changed files with 31 additions and 11 deletions
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42
src/init/sd_card.rs
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@ -1,7 +1,9 @@
use alloc::vec::Vec;
use alloc::{format, vec::Vec};
use embassy_time::Delay;
use embedded_hal_bus::spi::ExclusiveDevice;
use embedded_sdmmc::{SdCard, TimeSource, Timestamp, VolumeIdx, VolumeManager};
use embedded_sdmmc::{
Directory, SdCard, ShortFileName, TimeSource, Timestamp, VolumeIdx, VolumeManager,
};
use esp_hal::{Blocking, gpio::Output, spi::master::Spi};
use crate::store::{AttendanceDay, day::Day, persistence::Persistence};
@ -38,37 +40,53 @@ pub struct SDCardPersistence {
vol_mgr: VolMgr,
}
impl SDCardPersistence {
fn generate_filename(day: Day) -> ShortFileName {
let basename = day.to_string();
let mut filename: heapless::String<11> = heapless::String::new();
filename.push_str(&basename).unwrap();
filename.push_str(".js").unwrap();
ShortFileName::create_from_str(&filename).unwrap()
}
}
impl Persistence for SDCardPersistence {
async fn load_day(&mut self, day: Day) -> Option<AttendanceDay> {
let mut vol_0 = self.vol_mgr.open_volume(VolumeIdx(0)).unwrap();
let mut root_dir = vol_0.open_root_dir().unwrap();
let mut file = root_dir.open_file_in_dir("day.jsn", embedded_sdmmc::Mode::ReadOnly);
if let Err(e) = file {
let filename = Self::generate_filename(day);
let file = root_dir.open_file_in_dir(filename, embedded_sdmmc::Mode::ReadOnly);
if file.is_err() {
return None;
}
let mut open_file = file.unwrap();
let mut read_buffer: [u8; 1024] = [0; 1024];
let read = open_file.read(&mut read_buffer).unwrap();
open_file.close().unwrap();
// let day: AttendanceDay = serde_json::from_slice(&read_buffer[..read]).unwrap();
let day: AttendanceDay = serde_json::from_slice(&read_buffer[..read]).unwrap();
// Some(day)
None
Some(day)
}
async fn save_day(&mut self, day: Day, data: &AttendanceDay) {
let mut vol_0 = self.vol_mgr.open_volume(VolumeIdx(0)).unwrap();
let mut root_dir = vol_0.open_root_dir().unwrap();
let filename = Self::generate_filename(day);
let mut file = root_dir
.open_file_in_dir("day.jsn", embedded_sdmmc::Mode::ReadWriteCreateOrTruncate)
.open_file_in_dir(filename, embedded_sdmmc::Mode::ReadWriteCreateOrTruncate)
.unwrap();
file.write(&serde_json::to_vec(data).unwrap()).unwrap();
file.flush();
file.close();
file.flush().unwrap();
file.close().unwrap();
}
async fn load_mapping(&mut self) -> Option<crate::store::IDMapping> {
@ -87,7 +105,9 @@ impl Persistence for SDCardPersistence {
let mut days: Vec<Day> = Vec::new();
days_dir
.iterate_dir(|e| {
days.push(Day::new(0));
let filename = e.name.clone();
let day: Day = filename.try_into().unwrap();
days.push(day);
})
.unwrap();