deleted some imports

This reverts commit c4d6ed45f1.

.cargo/config.toml

@@ -12,3 +12,7 @@ target = "riscv32imac-unknown-none-elf"
 
 [unstable]
 build-std = ["alloc", "core"]
+
+[env]
+WIFI_PASSWD = "hunter22"
+WIFI_SSID = "fwa"

Cargo.toml

@@ -12,64 +12,44 @@ bench = false
 
 [dependencies]
 esp-bootloader-esp-idf = "0.1.0"
-embassy-net = { version = "0.7.0", features = [
+esp-hal = { version = "1.0.0-rc.1", features = ["esp32c6", "unstable"] } 
-  "dhcpv4",
+esp-alloc = "0.9.0"
-  "medium-ethernet",
+esp-println = { version = "0.16.0", features = ["esp32c6", "log-04"] }
-  "tcp",
+esp-radio = { version = "0.16.0", features = ["esp32c6","esp-alloc", "wifi", "log-04", "smoltcp","unstable"]}
-  "udp",
+esp-rtos = { version = "0.1.1", features = ["esp32c6", "embassy", "esp-radio", "esp-alloc"] }
-] }
+
-embedded-hal = "=1.0.0"
-embedded-io = "0.6.1"
-embedded-io-async = "0.6.1"
-esp-alloc = "0.8.0"
-esp-hal = { version = "1.0.0-beta.1", features = ["esp32c6", "unstable"] } 
-smoltcp = { version = "0.12.0", default-features = false, features = [
-  "medium-ethernet",
-  "multicast",
-  "proto-dhcpv4",
-  "proto-dns",
-  "proto-ipv4",
-  "socket-dns",
-  "socket-icmp",
-  "socket-raw",
-  "socket-tcp",
-  "socket-udp",
-] }
-# for more networking protocol support see https://crates.io/crates/edge-net
-bleps = { git = "https://github.com/bjoernQ/bleps", package = "bleps", rev = "a5148d8ae679e021b78f53fd33afb8bb35d0b62e", features = [
-  "async",
-  "macros",
-] }
 critical-section = "1.2.0"
-embassy-executor = { version = "0.7.0", features = ["nightly"] }
-embassy-time = { version = "0.4.0", features = ["generic-queue-8"] }
-esp-hal-embassy = { version = "0.9.0", features = ["esp32c6"] } 
-esp-wifi = { version = "0.15.0", features = [ 
-  "wifi",
-  "builtin-scheduler",
-  "esp-alloc",
-  "esp32c6",
-  "log-04",
-] } 
-heapless = { version = "0.8.0", default-features = false }
-static_cell = { version = "2.1.0", features = ["nightly"] }
-esp-println = { version = "0.15.0", features = ["esp32c6", "log-04"] }
 log = { version = "0.4" }
+static_cell = { version = "2.1.1", features = ["nightly"] }
+heapless = { version = "0.8.0", default-features = false }
+chrono = { version = "0.4.41", default-features = false } 
+
+embedded-hal = "1.0.0"
+embedded-io = "0.7.1"
+embedded-io-async = "0.7.0"
+embassy-executor = { version = "0.9.0", features = [] }
+embassy-time = { version = "0.5.0", features = [] }
+embassy-futures = { version = "0.1.2", features = ["log"] }
+embassy-sync = { version = "0.7.2", features = ["log"] }
+
+embassy-net = { version = "0.7.0", features = [ "dhcpv4", "medium-ethernet", "tcp", "udp" ] }
+smoltcp = { version = "0.12.0", default-features = false, features = [ "medium-ethernet", "multicast", "proto-dhcpv4", "proto-dns", "proto-ipv4", "socket-dns", "socket-icmp", "socket-raw", "socket-tcp", "socket-udp" ] }
+bleps = { git = "https://github.com/bjoernQ/bleps", package = "bleps", rev = "a5148d8ae679e021b78f53fd33afb8bb35d0b62e", features = [ "async", "macros" ] }
 edge-dhcp = { version = "0.6.0", features = ["log"] }
 edge-nal = "0.5.0"
 edge-nal-embassy = { version = "0.6.0", features = ["log"] }
+
 picoserve = { git = "https://github.com/sammhicks/picoserve.git", rev = "400df53f61137e1bb2883ec610fc191bfe551a3a", features = ["embassy", "log", "json"] }
-embassy-sync = { version = "0.7.0", features = ["log"] }
-ds3231 = { version = "0.3.0", features = ["async", "temperature_f32"] }
-chrono = { version = "0.4.41", default-features = false } 
 dir-embed = "0.3.0"
-esp-hal-smartled = { git = "https://github.com/esp-rs/esp-hal-community.git", package = "esp-hal-smartled", branch = "main", features = ["esp32c6"]}
-smart-leds = "0.4.0"
 serde = { version = "1.0.219", default-features = false, features = ["derive", "alloc"] }
+serde_json = { version = "1.0.143", default-features = false, features = ["alloc"]}
+
+ds3231 = { version = "0.3.0", features = ["async", "temperature_f32"] }
+esp-hal-smartled = { git = "https://github.com/esp-rs/esp-hal-community.git", rev = "ab4316534d90e3a12785907f043f6899faee0f20", package = "esp-hal-smartled", features = ["esp32c6"]}
+smart-leds = "0.4.0"
+
 embedded-sdmmc = "0.8.0"
 embedded-hal-bus = "0.3.0"
-serde_json = { version = "1.0.143", default-features = false, features = ["alloc"]}
-embassy-futures = { version = "0.1.2", features = ["log"] }
 
 [profile.dev]
 # Rust debug is too slow.

src/drivers/fram.rs

@@ -1,9 +0,0 @@
-const DEVICE_TYPE_CODE: u8 = 0b10100000;
-
-const DEVICE_ADDRESS_CODE: u8 = 0b000000;   // 3 bits for device address | default A0 = 0 A1 = 0 A2 = 0 
-
-const WRITE_CODE: u8 = 0b00000000; // 0 for write
-const READ_CODE: u8 = 0b00000001; // 1 for read
-
-const DEVICE_ADDRESS_WRITE: u8 = DEVICE_TYPE_CODE | DEVICE_ADDRESS_CODE | WRITE_CODE;  // I2C address write for FRAM
-const DEVICE_ADDRESS_READ: u8 = DEVICE_TYPE_CODE | DEVICE_ADDRESS_CODE | READ_CODE;  // I2C address read for FRAM 

src/drivers/nfc_reader.rs

@@ -1,6 +1,6 @@
 use embassy_time::{Duration, Timer};
 use esp_hal::{Async, uart::Uart};
-use log::{debug, info};
+use log::{debug, info, warn};
 
 use crate::TallyPublisher;
 
@@ -18,10 +18,14 @@ pub async fn rfid_reader_task(mut uart_device: Uart<'static, Async>, chan: Tally
                 }
                 info!("Read {n} bytes from UART: {hex_str}");
 
-                // The first byte is always 0x02 (Start of text) 
+                match extract_id(&uart_buffer) {
-                // Followed by 12 Bytes of chars
+                    Some(read) => {
-                // Ended by 0x03 (End of text)
+                        chan.publish(read.try_into().unwrap()).await;
-                chan.publish(uart_buffer[1..13].try_into().unwrap()).await;
+                    }
+                    None => {
+                        warn!("Invalid read from the RFID reader");
+                    }
+                };
             }
             Err(e) => {
                 log::error!("Error reading from UART: {e}");
@@ -30,3 +34,35 @@ pub async fn rfid_reader_task(mut uart_device: Uart<'static, Async>, chan: Tally
         Timer::after(Duration::from_millis(200)).await;
     }
 }
+
+/// Scans the UART output and retuns the first propper read ID
+/// This ensures that only valid ID are parsed
+///
+/// A valid read looks like this:
+/// The first byte is always 0x02 (Start of text)
+/// Followed by 12 Bytes of chars
+/// Ended by 0x03 (End of text)
+pub fn extract_id(buffer: &[u8]) -> Option<[u8; 12]> {
+    const STX: u8 = 0x02; // Start of Text ASCII char
+    const ETX: u8 = 0x03; // End of Text ASCII char
+    const ID_LENGTH: usize = 12;
+    const MINIMUM_SEQUENCE: usize = ID_LENGTH + 2; // STX + 12 bytes + ETX
+
+    if buffer.len() < MINIMUM_SEQUENCE {
+        return None;
+    }
+
+    for window_start in 0..=buffer.len() - MINIMUM_SEQUENCE {
+        if buffer[window_start] == STX {
+            let id_end = window_start + ID_LENGTH + 1;
+
+            if buffer[id_end] == ETX {
+                let mut id = [0u8; ID_LENGTH];
+                id.copy_from_slice(&buffer[window_start + 1..id_end]);
+                return Some(id);
+            }
+        }
+    }
+
+    None
+}

src/feedback.rs

@@ -1,11 +1,13 @@
 use embassy_time::{Duration, Timer};
-use esp_hal::{peripherals, rmt::ConstChannelAccess};
+use esp_hal::rmt::Rmt;
-use esp_hal_smartled::SmartLedsAdapterAsync;
+use esp_hal::peripherals;
+use esp_hal_smartled::{SmartLedsAdapterAsync, buffer_size_async};
 use log::debug;
 use smart_leds::SmartLedsWriteAsync;
 use smart_leds::colors::{BLACK, GREEN, RED, YELLOW};
 use smart_leds::{brightness, colors::BLUE};
 
+use crate::init::hardware;
 use crate::{FEEDBACK_STATE, init};
 
 #[derive(Copy, Clone, Debug)]
@@ -24,14 +26,18 @@ const LED_LEVEL: u8 = 255;
 
 #[embassy_executor::task]
 pub async fn feedback_task(
-    mut led: SmartLedsAdapterAsync<
+    rmt: Rmt<'static, esp_hal::Async>,
-        ConstChannelAccess<esp_hal::rmt::Tx, 0>,
+    led_gpio: peripherals::GPIO1<'static>,
-        { init::hardware::LED_BUFFER_SIZE },
+    buzzer_gpio: peripherals::GPIO21<'static>,
-    >,
-    buzzer: peripherals::GPIO21<'static>,
 ) {
     debug!("Starting feedback task");
-    let mut buzzer = init::hardware::setup_buzzer(buzzer);
+
+    let rmt_channel = rmt.channel0;
+    let rmt_buffer = [esp_hal::rmt::PulseCode::default(); buffer_size_async(hardware::NUM_LEDS)];
+
+    let mut led = SmartLedsAdapterAsync::new(rmt_channel, led_gpio, rmt_buffer);
+
+    let mut buzzer = init::hardware::setup_buzzer(buzzer_gpio);
     loop {
         let feedback_state = FEEDBACK_STATE.wait().await;
         match feedback_state {
@@ -46,6 +52,12 @@ pub async fn feedback_task(
                 Timer::after(Duration::from_millis(100)).await;
                 buzzer.set_low();
                 Timer::after(Duration::from_millis(50)).await;
+                led.write(brightness(
+                    [BLACK; init::hardware::NUM_LEDS].into_iter(),
+                    LED_LEVEL,
+                ))
+                .await
+                .unwrap();
             }
             FeedbackState::Nack => {
                 led.write(brightness(
@@ -118,7 +130,7 @@ pub async fn feedback_task(
             }
             FeedbackState::Idle => {
                 led.write(brightness(
-                    [GREEN; init::hardware::NUM_LEDS].into_iter(),
+                    [BLACK; init::hardware::NUM_LEDS].into_iter(),
                     LED_LEVEL,
                 ))
                 .await
@@ -128,106 +140,3 @@ pub async fn feedback_task(
         debug!("Feedback state: {:?}", feedback_state);
     }
 }
-
-// async fn beep_ack() {
-//     buzzer.set_high();
-//     buzzer.set_low();
-//     //Timer::after(Duration::from_millis(100)).await;
-// }
-
-/* pub async fn failure(&mut self) {
-    let buzzer_handle = Self::beep_nak(&mut self.buzzer);
-    let led_handle = Self::flash_led_for_duration(&mut self.led, RED, LED_BLINK_DURATION);
-
-    let (buzzer_result, _) = join!(buzzer_handle, led_handle);
-
-    buzzer_result.unwrap_or_else(|err| {            error!("Failed to buzz: {err}");
-    });
-
-    let _ = self.led_to_status();
-}
-
-pub async fn activate_error_state(&mut self) -> Result<()> {
-    self.led.turn_on(RED)?;
-    Self::beep_nak(&mut self.buzzer).await?;
-    Ok(())
-}
-
-pub async fn startup(&mut self){
-    self.device_status = DeviceStatus::Ready;
-
-    let led_handle = Self::flash_led_for_duration(&mut self.led, GREEN, Duration::from_secs(1));
-    let buzzer_handle = Self::beep_startup(&mut self.buzzer);
-
-    let (buzzer_result, led_result) = join!(buzzer_handle, led_handle);
-
-    buzzer_result.unwrap_or_else(|err| {
-        error!("Failed to buzz: {err}");
-    });
-
-    led_result.unwrap_or_else(|err| {
-        error!("Failed to blink led: {err}");
-    });
-
-    let _ = self.led_to_status();
-}
-
-
-async fn flash_led_for_duration(led: &mut L, color: RGB8, duration: Duration) -> Result<()> {
-    led.turn_on(color)?;
-
-    sleep(duration).await;
-
-    led.turn_off()?;
-
-    Ok(())
-}
-
-async fn beep_ack(buzzer: &mut B) -> Result<()> {
-    buzzer
-        .modulated_tone(1200.0, Duration::from_millis(100))
-        .await?;
-    sleep(Duration::from_millis(10)).await;
-    buzzer
-        .modulated_tone(2000.0, Duration::from_millis(50))
-        .await?;
-    Ok(())
-}
-
-async fn beep_nak(buzzer: &mut B) -> Result<()> {
-    buzzer
-        .modulated_tone(600.0, Duration::from_millis(150))
-        .await?;
-    sleep(Duration::from_millis(100)).await;
-    buzzer
-        .modulated_tone(600.0, Duration::from_millis(150))
-        .await?;
-    Ok(())
-}
-
-async fn beep_startup(buzzer: &mut B) -> Result<()> {
-    buzzer
-        .modulated_tone(523.0, Duration::from_millis(150))
-        .await?;
-    buzzer
-        .modulated_tone(659.0, Duration::from_millis(150))
-        .await?;
-    buzzer
-        .modulated_tone(784.0, Duration::from_millis(150))
-        .await?;
-    buzzer
-        .modulated_tone(1046.0, Duration::from_millis(200))
-        .await?;
-
-    sleep(Duration::from_millis(100)).await;
-
-    buzzer
-        .modulated_tone(784.0, Duration::from_millis(100))
-        .await?;
-    buzzer
-        .modulated_tone(880.0, Duration::from_millis(200))
-        .await?;
-    Ok(())
-}
-
- */

src/init/hardware.rs

@@ -4,14 +4,16 @@ use embassy_executor::Spawner;
 use embassy_net::Stack;
 use embassy_time::{Duration, Timer};
 use esp_hal::Blocking;
+use esp_hal::delay::Delay;
 use esp_hal::gpio::Input;
 use esp_hal::i2c::master::Config;
 use esp_hal::peripherals::{
     GPIO0, GPIO1, GPIO16, GPIO17, GPIO18, GPIO19, GPIO20, GPIO21, GPIO22, GPIO23, I2C0, RMT, SPI2,
     UART1,
 };
-use esp_hal::rmt::{ConstChannelAccess, Rmt};
+use esp_hal::rmt::Rmt;
 use esp_hal::spi::master::{Config as Spi_config, Spi};
+use esp_hal::system::software_reset;
 use esp_hal::time::Rate;
 use esp_hal::timer::timg::TimerGroup;
 use esp_hal::{
@@ -47,47 +49,50 @@ use crate::init::wifi;
  *
  *************************************************/
 
-pub const NUM_LEDS: usize = 66;
+pub const NUM_LEDS: usize = 1;
-pub const LED_BUFFER_SIZE: usize = NUM_LEDS * 25;
 
 static SD_DET: Mutex<RefCell<Option<Input>>> = Mutex::new(RefCell::new(None));
 
 #[panic_handler]
 fn panic(info: &core::panic::PanicInfo) -> ! {
-    loop {
+    let delay = Delay::new();
     error!("PANIC: {info}");
-    }
+    delay.delay(esp_hal::time::Duration::from_secs(30));
+    software_reset()
 }
 
 esp_bootloader_esp_idf::esp_app_desc!();
 
 pub async fn hardware_init(
-    spawner: &mut Spawner,
+    spawner: Spawner,
 ) -> (
     Uart<'static, Async>,
     Stack<'static>,
     I2c<'static, Async>,
-    SmartLedsAdapterAsync<ConstChannelAccess<esp_hal::rmt::Tx, 0>, LED_BUFFER_SIZE>,
+    Rmt<'static, esp_hal::Async>,
+    GPIO1<'static>,
     GPIO21<'static>,
     GPIO0<'static>,
+    SmartLedsAdapterAsync<'static, LED_BUFFER_SIZE>,
     SDCardPersistence,
 ) {
     let config = esp_hal::Config::default().with_cpu_clock(CpuClock::max());
     let peripherals = esp_hal::init(config);
 
-    esp_alloc::heap_allocator!(size: 72 * 1024);
+    esp_alloc::heap_allocator!(#[unsafe(link_section = ".dram2_uninit")] size: 65536);
 
-    let timer0 = SystemTimer::new(peripherals.SYSTIMER);
+    let timg0 = TimerGroup::new(peripherals.TIMG0);
-    esp_hal_embassy::init(timer0.alarm0);
+    let sw_interrupt =
+        esp_hal::interrupt::software::SoftwareInterruptControl::new(peripherals.SW_INTERRUPT);
+    esp_rtos::start(timg0.timer0, sw_interrupt.software_interrupt0);
 
     init_logger(log::LevelFilter::Debug);
 
-    let timer1 = TimerGroup::new(peripherals.TIMG0);
+    let rng = esp_hal::rng::Rng::new();
-    let mut rng = esp_hal::rng::Rng::new(peripherals.RNG);
     let network_seed = (rng.random() as u64) << 32 | rng.random() as u64;
 
     wifi::set_antenna_mode(peripherals.GPIO3, peripherals.GPIO14).await;
-    let interfaces = wifi::setup_wifi(timer1.timer0, rng, peripherals.WIFI, spawner);
+    let interfaces = wifi::setup_wifi(peripherals.WIFI, spawner);
     let stack = network::setup_network(network_seed, interfaces.ap, spawner);
 
     Timer::after(Duration::from_millis(1)).await;
@@ -98,6 +103,10 @@ pub async fn hardware_init(
 
     let sd_det_gpio = peripherals.GPIO0;
 
+    let rmt: Rmt<'_, esp_hal::Async> = {let frequency: Rate = Rate::from_mhz(80);
+    Rmt::new(peripherals.RMT, frequency)}    .expect("Failed to initialize RMT")
+    .into_async();
+
     let spi_bus = setup_spi(
         peripherals.SPI2,
         peripherals.GPIO19,
@@ -113,21 +122,24 @@ pub async fn hardware_init(
 
     let vol_mgr = setup_sdcard(spi_bus, sd_cs_pin);
 
+    let led_gpio = peripherals.GPIO1;
     let buzzer_gpio = peripherals.GPIO21;
 
-    Timer::after(Duration::from_millis(500)).await;
-
     let led = setup_led(peripherals.RMT, peripherals.GPIO1);
 
+    Timer::after(Duration::from_millis(500)).await;
+
     debug!("hardware init done");
 
     (
         uart_device,
         stack,
         i2c_device,
-        led,
+        rmt,
+        led_gpio,
         buzzer_gpio,
         sd_det_gpio,
+        led,
         vol_mgr,
     )
 }
@@ -186,11 +198,10 @@ pub fn setup_buzzer(buzzer_gpio: GPIO21<'static>) -> Output<'static> {
     buzzer
 }
 
-fn setup_led(
+fn setup_led<'a>(
-    rmt: RMT<'static>,
+    rmt: RMT<'a>,
-    led_gpio: GPIO1<'static>,
+    led_gpio: GPIO1<'a>,
-) -> SmartLedsAdapterAsync<ConstChannelAccess<esp_hal::rmt::Tx, 0>, LED_BUFFER_SIZE> {
+) -> esp_hal_smartled::SmartLedsAdapterAsync<'a, LED_BUFFER_SIZE> {
-    debug!("setup led");
     let rmt: Rmt<'_, esp_hal::Async> = {
         let frequency: Rate = Rate::from_mhz(80);
         Rmt::new(rmt, frequency)
@@ -199,10 +210,7 @@ fn setup_led(
     .into_async();
 
     let rmt_channel = rmt.channel0;
-    let rmt_buffer = [0_u32; buffer_size_async(NUM_LEDS)];
+    let rmt_buffer = [esp_hal::rmt::PulseCode::default(); LED_BUFFER_SIZE];
 
-    let led: SmartLedsAdapterAsync<_, LED_BUFFER_SIZE> =
+    SmartLedsAdapterAsync::new(rmt_channel, led_gpio, rmt_buffer)
-        SmartLedsAdapterAsync::new(rmt_channel, led_gpio, rmt_buffer);
-
-    led
 }

src/init/network.rs

@@ -2,7 +2,7 @@ use core::{net::Ipv4Addr, str::FromStr};
 use embassy_executor::Spawner;
 use embassy_net::{Ipv4Cidr, Runner, Stack, StackResources, StaticConfigV4};
 use embassy_time::{Duration, Timer};
-use esp_wifi::wifi::WifiDevice;
+use esp_radio::wifi::WifiDevice;
 use static_cell::make_static;
 
 use crate::webserver::WEB_TAKS_SIZE;
@@ -10,7 +10,7 @@ use crate::webserver::WEB_TAKS_SIZE;
 pub const NETWORK_STACK_SIZE: usize = WEB_TAKS_SIZE + 2; // + 2 for other network taks. Breaks
 // without
 
-pub fn setup_network<'a>(seed: u64, wifi: WifiDevice<'static>, spawner: &mut Spawner) -> Stack<'a> {
+pub fn setup_network<'a>(seed: u64, wifi: WifiDevice<'static>, spawner: Spawner) -> Stack<'a> {
     let gw_ip_addr_str = "192.168.2.1";
     let gw_ip_addr = Ipv4Addr::from_str(gw_ip_addr_str).expect("failed to parse gateway ip");
     let config = embassy_net::Config::ipv4_static(StaticConfigV4 {
@@ -19,12 +19,10 @@ pub fn setup_network<'a>(seed: u64, wifi: WifiDevice<'static>, spawner: &mut Spa
         dns_servers: Default::default(),
     });
 
-    let (stack, runner) = embassy_net::new(
+    let nw_stack: &'static mut StackResources<NETWORK_STACK_SIZE> =
-        wifi,
+        make_static!(StackResources::<NETWORK_STACK_SIZE>::new());
-        config,
+
-        make_static!(StackResources::<NETWORK_STACK_SIZE>::new()),
+    let (stack, runner) = embassy_net::new(wifi, config, nw_stack, seed);
-        seed,
-    );
 
     spawner.must_spawn(net_task(runner));
     spawner.must_spawn(run_dhcp(stack, gw_ip_addr_str));

src/init/sd_card.rs

@@ -132,14 +132,17 @@ impl Persistence for SDCardPersistence {
     async fn list_days(&mut self) -> Vec<Day> {
         let mut vol_0 = self.vol_mgr.open_volume(VolumeIdx(0)).unwrap();
         let mut root_dir = vol_0.open_root_dir().unwrap();
-        let mut days_dir = root_dir.open_dir("days").unwrap();
+
+        let mut days_dir = root_dir.open_dir(".").unwrap();
 
         let mut days: Vec<Day> = Vec::new();
         days_dir
             .iterate_dir(|e| {
                 let filename = e.name.clone();
-                let day: Day = filename.try_into().unwrap();
+
+                if let Ok(day) = filename.try_into() {
                     days.push(day);
+                }
             })
             .unwrap();
 

src/init/wifi.rs

@@ -2,9 +2,14 @@ use embassy_executor::Spawner;
 use embassy_time::{Duration, Timer};
 use esp_hal::gpio::{Output, OutputConfig};
 use esp_hal::peripherals::{GPIO3, GPIO14, WIFI};
-use esp_wifi::wifi::{AccessPointConfiguration, Configuration, WifiController, WifiEvent, WifiState};
+use esp_radio::Controller;
-use esp_wifi::{EspWifiRngSource, EspWifiTimerSource, wifi::Interfaces};
+use esp_radio::wifi::{
-use static_cell::make_static;
+    AccessPointConfig, Interfaces, ModeConfig, WifiApState, WifiController, WifiEvent,
+};
+use log::debug;
+use static_cell::StaticCell;
+
+static ESP_WIFI_CTRL: StaticCell<Controller<'static>> = StaticCell::new();
 
 pub async fn set_antenna_mode(gpio3: GPIO3<'static>, gpio14: GPIO14<'static>) {
     let mut rf_switch = Output::new(gpio3, esp_hal::gpio::Level::Low, OutputConfig::default());
@@ -18,26 +23,23 @@ pub async fn set_antenna_mode(gpio3: GPIO3<'static>, gpio14: GPIO14<'static>) {
     antenna_mode.set_low();
 }
 
-pub fn setup_wifi<'d: 'static>(
+pub fn setup_wifi<'d: 'static>(wifi: WIFI<'static>, spawner: Spawner) -> Interfaces<'d> {
-    timer: impl EspWifiTimerSource + 'd,
+    let esp_wifi_ctrl = ESP_WIFI_CTRL.init(esp_radio::init().unwrap());
-    rng: impl EspWifiRngSource + 'd,
-    wifi: WIFI<'static>,
-    spawner: &mut Spawner,
-) -> Interfaces<'d> {
-    let esp_wifi_ctrl = make_static!(esp_wifi::init(timer, rng).unwrap());
 
-    let (controller, interfaces) = esp_wifi::wifi::new(esp_wifi_ctrl, wifi).unwrap();
+    let config = esp_radio::wifi::Config::default();
+    let (controller, interfaces) = esp_radio::wifi::new(esp_wifi_ctrl, wifi, config).unwrap();
 
     spawner.must_spawn(connection(controller));
 
     interfaces
 }
-
 #[embassy_executor::task]
 async fn connection(mut controller: WifiController<'static>) {
+    debug!("start connection task");
+    debug!("Device capabilities: {:?}", controller.capabilities());
     loop {
-        match esp_wifi::wifi::wifi_state() {
+        match esp_radio::wifi::ap_state() {
-            WifiState::ApStarted => {
+            WifiApState::Started => {
                 // wait until we're no longer connected
                 controller.wait_for_event(WifiEvent::ApStop).await;
                 Timer::after(Duration::from_millis(5000)).await
@@ -45,12 +47,16 @@ async fn connection(mut controller: WifiController<'static>) {
             _ => {}
         }
         if !matches!(controller.is_started(), Ok(true)) {
-            let client_config = Configuration::AccessPoint(AccessPointConfiguration {
+            let client_config = ModeConfig::AccessPoint(
-                ssid: "esp-wifi".try_into().unwrap(),
+                AccessPointConfig::default()
-                ..Default::default()
+                    .with_ssid(env!("WIFI_SSID").try_into().unwrap())
-            });
+                    .with_password(env!("WIFI_PASSWD").try_into().unwrap())
-            controller.set_configuration(&client_config).unwrap();
+                    .with_auth_method(esp_radio::wifi::AuthMethod::Wpa2Personal),
+            );
+            controller.set_config(&client_config).unwrap();
+            debug!("Starting wifi");
             controller.start_async().await.unwrap();
+            debug!("Wifi started!");
         }
     }
 }

src/main.rs

@@ -2,6 +2,7 @@
 #![no_main]
 #![feature(type_alias_impl_trait)]
 #![feature(impl_trait_in_assoc_type)]
+#![warn(clippy::unwrap_used)]
 
 use alloc::rc::Rc;
 use embassy_executor::Spawner;
@@ -19,7 +20,7 @@ use embassy_time::{Duration, Timer};
 use esp_hal::gpio::Input;
 use esp_hal::{gpio::InputConfig, peripherals};
 use log::{debug, info};
-use static_cell::make_static;
+use static_cell::StaticCell;
 
 extern crate alloc;
 
@@ -42,25 +43,27 @@ type TallyPublisher = Publisher<'static, NoopRawMutex, TallyID, 8, 2, 1>;
 type TallySubscriber = Subscriber<'static, NoopRawMutex, TallyID, 8, 2, 1>;
 type UsedStore = IDStore<SDCardPersistence>;
 
-#[esp_hal_embassy::main]
+static CHAN: StaticCell<TallyChannel> = StaticCell::new();
-async fn main(mut spawner: Spawner) {
+
-    let (uart_device, stack, _i2c, _led, buzzer_gpio, sd_det_gpio, persistence_layer) =
+#[esp_rtos::main]
-        init::hardware::hardware_init(&mut spawner).await;
+async fn main(spawner: Spawner) -> ! {
+    let (uart_device, stack, i2c, rmt, led_gpio, buzzer_gpio, sd_det_gpio, persistence_layer) =
+        init::hardware::hardware_init(spawner).await;
 
     info!("Starting up...");
 
-    let mut rtc = drivers::rtc::RTCClock::new(_i2c).await;
+    let mut rtc = drivers::rtc::RTCClock::new(i2c).await;
 
     let store: UsedStore = IDStore::new_from_storage(persistence_layer).await;
     let shared_store = Rc::new(Mutex::new(store));
 
-    let chan: &'static mut TallyChannel = make_static!(PubSubChannel::new());
+    let chan: &'static mut TallyChannel = CHAN.init(PubSubChannel::new());
     let publisher: TallyPublisher = chan.publisher().unwrap();
     let mut sub: TallySubscriber = chan.subscriber().unwrap();
 
     wait_for_stack_up(stack).await;
 
-    start_webserver(&mut spawner, stack, shared_store.clone(), chan);
+    start_webserver(spawner, stack, shared_store.clone(), chan);
 
     /****************************** Spawning tasks ***********************************/
     debug!("spawing NFC reader task...");
@@ -70,7 +73,7 @@ async fn main(mut spawner: Spawner) {
     ));
 
     debug!("spawing feedback task..");
-    spawner.must_spawn(feedback::feedback_task(_led, buzzer_gpio));
+    spawner.must_spawn(feedback::feedback_task(rmt, led_gpio, buzzer_gpio));
 
     debug!("spawn sd detect task");
     spawner.must_spawn(sd_detect_task(sd_det_gpio));

src/store/day.rs

@@ -3,7 +3,7 @@ use core::fmt::Write;
 use embedded_sdmmc::ShortFileName;
 use serde::{Deserialize, Serialize};
 
-#[derive(Clone, Copy, Serialize, Deserialize, Debug, PartialEq, Eq)]
+#[derive(Clone, Copy, Serialize, Deserialize, Debug, PartialEq, Eq, PartialOrd, Ord)]
 pub struct Day(u32);
 
 impl Day {

src/store/id_store.rs

@@ -66,7 +66,7 @@ impl<T: Persistence> IDStore<T> {
             .await
     }
 
-    async fn persist_mapping(&mut self) {
+    pub async fn persist_mapping(&mut self) {
         self.persistence_layer.save_mapping(&self.mapping).await
     }
 
@@ -90,4 +90,23 @@ impl<T: Persistence> IDStore<T> {
         }
         changed
     }
+
+    /// Load and return a AttendanceDay. Nothing more. Nothing less.
+    pub async fn load_day(&mut self, day: Day) -> Option<AttendanceDay> {
+        if day == self.current_day.date {
+            return Some(self.current_day.clone());
+        }
+
+        self.persistence_layer.load_day(day).await
+    }
+
+    pub async fn list_days_in_timespan(&mut self, from: Day, to: Day) -> Vec<Day> {
+        let all_days = self.persistence_layer.list_days().await;
+
+        all_days
+            .into_iter()
+            .filter(|e| *e >= from)
+            .filter(|e| *e <= to)
+            .collect()
+    }
 }

src/store/tally_id.rs

@@ -1,4 +1,4 @@
-use core::str::FromStr;
+use core::{fmt::Display, str::FromStr};
 use serde::{Deserialize, Deserializer, Serialize, Serializer, de};
 
 #[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord)]
@@ -72,6 +72,21 @@ impl TryFrom<&[u8]> for TallyID {
     }
 }
 
+impl TryFrom<[u8; 12]> for TallyID {
+    type Error = ();
+
+    fn try_from(value: [u8; 12]) -> Result<Self, Self::Error> {
+        Self::try_from(&value as &[u8])
+    }
+}
+
+impl Display for TallyID {
+    fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
+        let s: heapless::String<12> = (*self).into();
+        write!(f, "{}", s)
+    }
+}
+
 impl Serialize for TallyID {
     fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
     where

src/webserver/api.rs

@@ -1,11 +1,12 @@
+use log::error;
 use picoserve::{
-    extract::{Json, State},
+    extract::{Json, Query, State},
     response::{self, IntoResponse},
 };
 use serde::Deserialize;
 
 use crate::{
-    store::{Name, tally_id::TallyID},
+    store::{Name, day::Day, tally_id::TallyID},
     webserver::{app::AppState, sse::IDEvents},
 };
 
@@ -15,35 +16,79 @@ pub struct NewMapping {
     name: Name,
 }
 
-// struct MappingWrapper(IDMapping);
+#[derive(Deserialize)]
-//
+pub struct QueryTimespan {
-// impl Serialize for MappingWrapper {
+    from: u64,
-//     fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
+    to: u64,
-//     where
+}
-//         S: serde::Serializer,
-//     {
-//         use serde::ser::SerializeMap;
-//         let mut map = serializer.serialize_map(Some(self.0.id_map.len()))?;
-//         for (k, v) in &self.0.id_map {
-//             map.serialize_entry(tally_id_to_hex_string(*k).unwrap().as_str(), &v)?;
-//         }
-//         map.end()
-//     }
-// }
 
+#[derive(Deserialize)]
+pub struct QueryDay {
+    timestamp: Option<u64>,
+    day: Option<u32>,
+}
+
+// GET /api/mapping
 pub async fn get_mapping(State(state): State<AppState>) -> impl IntoResponse {
     let store = state.store.lock().await;
     response::Json(store.mapping.clone())
 }
 
+// POST /api/mapping
 pub async fn add_mapping(
     State(state): State<AppState>,
     Json(data): Json<NewMapping>,
 ) -> impl IntoResponse {
     let mut store = state.store.lock().await;
     store.mapping.add_mapping(data.id, data.name);
+    store.persist_mapping().await;
 }
 
-pub async fn get_idevent(State(state): State<AppState>) -> impl IntoResponse {
+// SSE /api/idevent
-    response::EventStream(IDEvents(state.chan.subscriber().unwrap()))
+pub async fn get_idevent(
+    State(state): State<AppState>,
+) -> Result<impl IntoResponse, impl IntoResponse> {
+    match state.chan.subscriber() {
+        Ok(chan) => Ok(response::EventStream(IDEvents(chan))),
+        Err(e) => {
+            error!("Failed to create SSE: {:?}", e);
+            Err((
+                response::StatusCode::INTERNAL_SERVER_ERROR,
+                "Internal server error",
+            ))
+        }
+    }
+}
+
+// GET /api/days
+pub async fn get_days(
+    State(state): State<AppState>,
+    Query(QueryTimespan { from, to }): Query<QueryTimespan>,
+) -> impl IntoResponse {
+    let from_day = Day::new_from_timestamp(from);
+    let to_day = Day::new_from_timestamp(to);
+
+    let mut store = state.store.lock().await;
+
+    let days = store.list_days_in_timespan(from_day, to_day).await;
+
+    response::Json(days)
+}
+
+// GET /api/day
+pub async fn get_day(
+    State(state): State<AppState>,
+    Query(QueryDay { timestamp, day }): Query<QueryDay>,
+) -> Result<impl IntoResponse, impl IntoResponse> {
+    let parsed_day = timestamp
+        .map(Day::new_from_timestamp)
+        .or_else(|| day.map(Day::new))
+        .ok_or((response::StatusCode::NOT_FOUND, "Not found"))?;
+
+    let mut store = state.store.lock().await;
+
+    match store.load_day(parsed_day).await {
+        Some(att_day) => Ok(response::Json(att_day)),
+        None => Err((response::StatusCode::NOT_FOUND, "Not found")),
+    }
 }

src/webserver/app.rs

@@ -5,7 +5,7 @@ use picoserve::{AppWithStateBuilder, routing::get};
 use crate::{
     TallyChannel, UsedStore,
     webserver::{
-        api::{add_mapping, get_idevent, get_mapping},
+        api::{add_mapping, get_day, get_days, get_idevent, get_mapping},
         assets::Assets,
     },
 };
@@ -26,5 +26,7 @@ impl AppWithStateBuilder for AppProps {
         picoserve::Router::from_service(Assets)
             .route("/api/mapping", get(get_mapping).post(add_mapping))
             .route("/api/idevent", get(get_idevent))
+            .route("/api/days", get(get_days))
+            .route("/api/day", get(get_day))
     }
 }

src/webserver/assets.rs

@@ -38,7 +38,7 @@ impl<State, CurrentPathParameters>
                 );
 
                 response_writer
-                    .write_response(request.body_connection.finalize().await.unwrap(), response)
+                    .write_response(request.body_connection.finalize().await?, response)
                     .await
             }
             None => {
@@ -68,10 +68,7 @@ impl Content for StaticAsset {
         self.0.len()
     }
 
-    async fn write_content<W: embedded_io_async::Write>(
+    async fn write_content<W: edge_nal::io::Write>(self, mut writer: W) -> Result<(), W::Error> {
-        self,
-        mut writer: W,
-    ) -> Result<(), W::Error> {
         writer.write_all(self.0).await
     }
 }

src/webserver/mod.rs

@@ -16,10 +16,10 @@ mod app;
 mod assets;
 mod sse;
 
-pub const WEB_TAKS_SIZE: usize = 3; // Up this number if request start fail with Timeouts.
+pub const WEB_TAKS_SIZE: usize = 5; // Up this number if request start fail with Timeouts.
 
 pub fn start_webserver(
-    spawner: &mut Spawner,
+    spawner: Spawner,
     stack: Stack<'static>,
     store: Rc<Mutex<CriticalSectionRawMutex, UsedStore>>,
     chan: &'static TallyChannel,

web/mock/data.json

@@ -0,0 +1,108 @@
+{
+  "mapping": [
+    [
+      "123456789ABC",
+      {
+        "first": "Feuerwehrman",
+        "last": "Sam"
+      }
+    ],
+    [
+      "A1B2C3D4E5F6",
+      {
+        "first": "Luna",
+        "last": "Starforge"
+      }
+    ],
+    [
+      "0F1E2D3C4B5A",
+      {
+        "first": "Gareth",
+        "last": "Ironwill"
+      }
+    ],
+    [
+      "ABCDEF123456",
+      {
+        "first": "Nina",
+        "last": "Skylark"
+      }
+    ],
+    [
+      "654321FEDCBA",
+      {
+        "first": "Tobias",
+        "last": "Marrow"
+      }
+    ],
+    [
+      "DEADBEEFCAFE",
+      {
+        "first": "Astra",
+        "last": "Vale"
+      }
+    ],
+    [
+      "BADA55C0FFEE",
+      {
+        "first": "Rowan",
+        "last": "Tempest"
+      }
+    ],
+    [
+      "C001D00D1337",
+      {
+        "first": "Juniper",
+        "last": "Voss"
+      }
+    ],
+    [
+      "A0B1DB0D133B",
+      {
+        "first": "Öäü",
+        "last": "ßẞ"
+      }
+    ]
+  ],
+  "days": [
+    {
+      "date": 20372,
+      "ids": [
+        "123456789ABC",
+        "A1B2C3D4E5F6",
+        "A0B1DB0D133B"
+      ]
+    },
+    {
+      "date": 20373,
+      "ids": [
+        "0F1E2D3C4B5A",
+        "ABCDEF123456"
+      ]
+    },
+    {
+      "date": 20374,
+      "ids": [
+        "654321FEDCBA",
+        "DEADBEEFCAFE",
+        "BADA55C0FFEE",
+        "A0B1DB0D133B"
+      ]
+    },
+    {
+      "date": 20375,
+      "ids": [
+        "C001D00D1337",
+        "A1B2C3D4E5F6",
+        "123456789ABC"
+      ]
+    },
+    {
+      "date": 20376,
+      "ids": [
+        "N0T3X1ST1D0",
+        "654321FEDCBA"
+      ]
+    }
+  ]
+}

web/mock/server.js

@@ -0,0 +1,111 @@
+import express from "express";
+import bodyParser from "body-parser";
+
+import mockData from "./data.json" with {type: "json"};
+
+const app = express();
+const port = 3000;
+
+const SECS_IN_DAY = 86_400;
+
+app.use(bodyParser.json());
+
+function generateRandomId() {
+  const chars = "ABCDEF0123456789";
+  let id = "";
+  for (let i = 0; i < 12; i++) {
+    id += chars.charAt(Math.floor(Math.random() * chars.length));
+  }
+  return id;
+}
+
+// GET /api/mapping
+app.get("/api/mapping", (req, res) => {
+  res.json(mockData.mapping);
+});
+
+// POST /api/mapping
+app.post("/api/mapping", (req, res) => {
+  const { id, name } = req.body;
+
+  if (!id || !name || !name.first || !name.last) {
+    return res.status(400).json({ error: "Invalid request body" });
+  }
+
+  // Check if ID already exists
+  const existing = mappings.find((entry) => entry[0] === id);
+  if (existing) {
+    return res.status(409).json({ error: "ID already exists" });
+  }
+
+  // Add new mapping
+  mockData.mappings.push([id, name]);
+
+  res.status(201).send("");
+});
+
+app.get("/api/day", (req, res) => {
+  let day;
+
+  if (req.query.day) {
+    day = parseInt(req.query.day, 10);
+  }else if (req.query.timestamp) {
+    let ts = parseInt(req.query.timestamp, 10);
+    day = ts / SECS_IN_DAY;
+  }else {
+    return res.status(400).json({ error: "Missing or invalid 'day' parameter" });
+  }
+
+  if (isNaN(day)) {
+    return res.status(400).json({ error: "Missing or invalid 'day' parameter" });
+  }
+
+  let foundDay = mockData.days.find(e => e.date == day);
+
+  if (!foundDay) {
+    return res.status(404).send("Not found");
+  }
+
+  res.status(200).json(foundDay);
+});
+
+app.get("/api/days", (req,res) => {
+
+  let qFrom = parseInt(req.query.from) / SECS_IN_DAY;
+  let qTo = parseInt(req.query.to) / SECS_IN_DAY;
+
+  let days = mockData.days.filter(e => e.date >= qFrom && e.date <= qTo).map(e => e.date);
+
+  res.status(200).json(days);
+});
+
+// SSE route: /api/idevent
+app.get("/api/idevent", (req, res) => {
+  // Set headers for SSE
+  res.setHeader("Content-Type", "text/event-stream");
+  res.setHeader("Cache-Control", "no-cache");
+  res.setHeader("Connection", "keep-alive");
+
+  res.flushHeaders(); // flush the headers to establish SSE connection
+
+  // Send initial event
+  const sendEvent = () => {
+    const id = generateRandomId();
+    res.write(`data: ${id}\n\n`);
+  };
+
+  // Send immediately and then every 10 seconds
+  sendEvent();
+  const interval = setInterval(sendEvent, 10000);
+
+  // When client closes connection, stop interval
+  req.on("close", () => {
+    clearInterval(interval);
+    res.end();
+  });
+});
+
+// Start the server
+app.listen(port, () => {
+  console.log(`Mock API server running at http://localhost:${port}`);
+});

web/package-lock.json

@@ -14,6 +14,8 @@
       "devDependencies": {
         "@sveltejs/vite-plugin-svelte": "^5.0.3",
         "@tsconfig/svelte": "^5.0.4",
+        "body-parser": "^2.2.0",
+        "express": "^5.1.0",
         "svelte": "^5.28.1",
         "svelte-check": "^4.1.6",
         "typescript": "~5.8.3",
@@ -1078,6 +1080,20 @@
       "integrity": "sha512-w28IoSUCJpidD/TGviZwwMJckNESJZXFu7NBZ5YJ4mEUnNraUn9Pm8HSZm/jDF1pDWYKspWE7oVphigUPRakIQ==",
       "license": "MIT"
     },
+    "node_modules/accepts": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/accepts/-/accepts-2.0.0.tgz",
+      "integrity": "sha512-5cvg6CtKwfgdmVqY1WIiXKc3Q1bkRqGLi+2W/6ao+6Y7gu/RCwRuAhGEzh5B4KlszSuTLgZYuqFqo5bImjNKng==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "mime-types": "^3.0.0",
+        "negotiator": "^1.0.0"
+      },
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
     "node_modules/acorn": {
       "version": "8.14.1",
       "resolved": "https://registry.npmjs.org/acorn/-/acorn-8.14.1.tgz",
@@ -1111,6 +1127,68 @@
         "node": ">= 0.4"
       }
     },
+    "node_modules/body-parser": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-2.2.0.tgz",
+      "integrity": "sha512-02qvAaxv8tp7fBa/mw1ga98OGm+eCbqzJOKoRt70sLmfEEi+jyBYVTDGfCL/k06/4EMk/z01gCe7HoCH/f2LTg==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "bytes": "^3.1.2",
+        "content-type": "^1.0.5",
+        "debug": "^4.4.0",
+        "http-errors": "^2.0.0",
+        "iconv-lite": "^0.6.3",
+        "on-finished": "^2.4.1",
+        "qs": "^6.14.0",
+        "raw-body": "^3.0.0",
+        "type-is": "^2.0.0"
+      },
+      "engines": {
+        "node": ">=18"
+      }
+    },
+    "node_modules/bytes": {
+      "version": "3.1.2",
+      "resolved": "https://registry.npmjs.org/bytes/-/bytes-3.1.2.tgz",
+      "integrity": "sha512-/Nf7TyzTx6S3yRJObOAV7956r8cr2+Oj8AC5dt8wSP3BQAoeX58NoHyCU8P8zGkNXStjTSi6fzO6F0pBdcYbEg==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
+    "node_modules/call-bind-apply-helpers": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/call-bind-apply-helpers/-/call-bind-apply-helpers-1.0.2.tgz",
+      "integrity": "sha512-Sp1ablJ0ivDkSzjcaJdxEunN5/XvksFJ2sMBFfq6x0ryhQV/2b/KwFe21cMpmHtPOSij8K99/wSfoEuTObmuMQ==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "es-errors": "^1.3.0",
+        "function-bind": "^1.1.2"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      }
+    },
+    "node_modules/call-bound": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/call-bound/-/call-bound-1.0.4.tgz",
+      "integrity": "sha512-+ys997U96po4Kx/ABpBCqhA9EuxJaQWDQg7295H4hBphv3IZg0boBKuwYpt4YXp6MZ5AmZQnU/tyMTlRpaSejg==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "call-bind-apply-helpers": "^1.0.2",
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+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=18"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
+    "node_modules/mime-db": {
+      "version": "1.54.0",
+      "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.54.0.tgz",
+      "integrity": "sha512-aU5EJuIN2WDemCcAp2vFBfp/m4EAhWJnUNSSw0ixs7/kXbd6Pg64EmwJkNdFhB8aWt1sH2CTXrLxo/iAGV3oPQ==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
+    "node_modules/mime-types": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-3.0.1.tgz",
+      "integrity": "sha512-xRc4oEhT6eaBpU1XF7AjpOFD+xQmXNB5OVKwp4tqCuBpHLS/ZbBDrc07mYTDqVMg6PfxUjjNp85O6Cd2Z/5HWA==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "mime-db": "^1.54.0"
+      },
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
     "node_modules/minipass": {
       "version": "7.1.2",
       "resolved": "https://registry.npmjs.org/minipass/-/minipass-7.1.2.tgz",
@@ -1631,6 +2133,73 @@
         "node": "^10 || ^12 || ^13.7 || ^14 || >=15.0.1"
       }
     },
+    "node_modules/negotiator": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/negotiator/-/negotiator-1.0.0.tgz",
+      "integrity": "sha512-8Ofs/AUQh8MaEcrlq5xOX0CQ9ypTF5dl78mjlMNfOK08fzpgTHQRQPBxcPlEtIw0yRpws+Zo/3r+5WRby7u3Gg==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
+    "node_modules/object-inspect": {
+      "version": "1.13.4",
+      "resolved": "https://registry.npmjs.org/object-inspect/-/object-inspect-1.13.4.tgz",
+      "integrity": "sha512-W67iLl4J2EXEGTbfeHCffrjDfitvLANg0UlX3wFUUSTx92KXRFegMHUVgSqE+wvhAbi4WqjGg9czysTV2Epbew==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.4"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
+    "node_modules/on-finished": {
+      "version": "2.4.1",
+      "resolved": "https://registry.npmjs.org/on-finished/-/on-finished-2.4.1.tgz",
+      "integrity": "sha512-oVlzkg3ENAhCk2zdv7IJwd/QUD4z2RxRwpkcGY8psCVcCYZNq4wYnVWALHM+brtuJjePWiYF/ClmuDr8Ch5+kg==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "ee-first": "1.1.1"
+      },
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
+    "node_modules/once": {
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
+      "integrity": "sha512-lNaJgI+2Q5URQBkccEKHTQOPaXdUxnZZElQTZY0MFUAuaEqe1E+Nyvgdz/aIyNi6Z9MzO5dv1H8n58/GELp3+w==",
+      "dev": true,
+      "license": "ISC",
+      "dependencies": {
+        "wrappy": "1"
+      }
+    },
+    "node_modules/parseurl": {
+      "version": "1.3.3",
+      "resolved": "https://registry.npmjs.org/parseurl/-/parseurl-1.3.3.tgz",
+      "integrity": "sha512-CiyeOxFT/JZyN5m0z9PfXw4SCBJ6Sygz1Dpl0wqjlhDEGGBP1GnsUVEL0p63hoG1fcj3fHynXi9NYO4nWOL+qQ==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
+    "node_modules/path-to-regexp": {
+      "version": "8.3.0",
+      "resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-8.3.0.tgz",
+      "integrity": "sha512-7jdwVIRtsP8MYpdXSwOS0YdD0Du+qOoF/AEPIt88PcCFrZCzx41oxku1jD88hZBwbNUIEfpqvuhjFaMAqMTWnA==",
+      "dev": true,
+      "license": "MIT",
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/express"
+      }
+    },
     "node_modules/picocolors": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/picocolors/-/picocolors-1.1.1.tgz",
@@ -1677,6 +2246,79 @@
         "node": "^10 || ^12 || >=14"
       }
     },
+    "node_modules/proxy-addr": {
+      "version": "2.0.7",
+      "resolved": "https://registry.npmjs.org/proxy-addr/-/proxy-addr-2.0.7.tgz",
+      "integrity": "sha512-llQsMLSUDUPT44jdrU/O37qlnifitDP+ZwrmmZcoSKyLKvtZxpyV0n2/bD/N4tBAAZ/gJEdZU7KMraoK1+XYAg==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "forwarded": "0.2.0",
+        "ipaddr.js": "1.9.1"
+      },
+      "engines": {
+        "node": ">= 0.10"
+      }
+    },
+    "node_modules/qs": {
+      "version": "6.14.0",
+      "resolved": "https://registry.npmjs.org/qs/-/qs-6.14.0.tgz",
+      "integrity": "sha512-YWWTjgABSKcvs/nWBi9PycY/JiPJqOD4JA6o9Sej2AtvSGarXxKC3OQSk4pAarbdQlKAh5D4FCQkJNkW+GAn3w==",
+      "dev": true,
+      "license": "BSD-3-Clause",
+      "dependencies": {
+        "side-channel": "^1.1.0"
+      },
+      "engines": {
+        "node": ">=0.6"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
+    "node_modules/range-parser": {
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/range-parser/-/range-parser-1.2.1.tgz",
+      "integrity": "sha512-Hrgsx+orqoygnmhFbKaHE6c296J+HTAQXoxEF6gNupROmmGJRoyzfG3ccAveqCBrwr/2yxQ5BVd/GTl5agOwSg==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
+    "node_modules/raw-body": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/raw-body/-/raw-body-3.0.1.tgz",
+      "integrity": "sha512-9G8cA+tuMS75+6G/TzW8OtLzmBDMo8p1JRxN5AZ+LAp8uxGA8V8GZm4GQ4/N5QNQEnLmg6SS7wyuSmbKepiKqA==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "bytes": "3.1.2",
+        "http-errors": "2.0.0",
+        "iconv-lite": "0.7.0",
+        "unpipe": "1.0.0"
+      },
+      "engines": {
+        "node": ">= 0.10"
+      }
+    },
+    "node_modules/raw-body/node_modules/iconv-lite": {
+      "version": "0.7.0",
+      "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.7.0.tgz",
+      "integrity": "sha512-cf6L2Ds3h57VVmkZe+Pn+5APsT7FpqJtEhhieDCvrE2MK5Qk9MyffgQyuxQTm6BChfeZNtcOLHp9IcWRVcIcBQ==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "safer-buffer": ">= 2.1.2 < 3.0.0"
+      },
+      "engines": {
+        "node": ">=0.10.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/express"
+      }
+    },
     "node_modules/readdirp": {
       "version": "4.1.2",
       "resolved": "https://registry.npmjs.org/readdirp/-/readdirp-4.1.2.tgz",
@@ -1730,6 +2372,23 @@
         "fsevents": "~2.3.2"
       }
     },
+    "node_modules/router": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/router/-/router-2.2.0.tgz",
+      "integrity": "sha512-nLTrUKm2UyiL7rlhapu/Zl45FwNgkZGaCpZbIHajDYgwlJCOzLSk+cIPAnsEqV955GjILJnKbdQC1nVPz+gAYQ==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "debug": "^4.4.0",
+        "depd": "^2.0.0",
+        "is-promise": "^4.0.0",
+        "parseurl": "^1.3.3",
+        "path-to-regexp": "^8.0.0"
+      },
+      "engines": {
+        "node": ">= 18"
+      }
+    },
     "node_modules/sade": {
       "version": "1.8.1",
       "resolved": "https://registry.npmjs.org/sade/-/sade-1.8.1.tgz",
@@ -1743,6 +2402,156 @@
         "node": ">=6"
       }
     },
+    "node_modules/safe-buffer": {
+      "version": "5.2.1",
+      "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz",
+      "integrity": "sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ==",
+      "dev": true,
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/feross"
+        },
+        {
+          "type": "patreon",
+          "url": "https://www.patreon.com/feross"
+        },
+        {
+          "type": "consulting",
+          "url": "https://feross.org/support"
+        }
+      ],
+      "license": "MIT"
+    },
+    "node_modules/safer-buffer": {
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
+      "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg==",
+      "dev": true,
+      "license": "MIT"
+    },
+    "node_modules/send": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/send/-/send-1.2.0.tgz",
+      "integrity": "sha512-uaW0WwXKpL9blXE2o0bRhoL2EGXIrZxQ2ZQ4mgcfoBxdFmQold+qWsD2jLrfZ0trjKL6vOw0j//eAwcALFjKSw==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "debug": "^4.3.5",
+        "encodeurl": "^2.0.0",
+        "escape-html": "^1.0.3",
+        "etag": "^1.8.1",
+        "fresh": "^2.0.0",
+        "http-errors": "^2.0.0",
+        "mime-types": "^3.0.1",
+        "ms": "^2.1.3",
+        "on-finished": "^2.4.1",
+        "range-parser": "^1.2.1",
+        "statuses": "^2.0.1"
+      },
+      "engines": {
+        "node": ">= 18"
+      }
+    },
+    "node_modules/serve-static": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/serve-static/-/serve-static-2.2.0.tgz",
+      "integrity": "sha512-61g9pCh0Vnh7IutZjtLGGpTA355+OPn2TyDv/6ivP2h/AdAVX9azsoxmg2/M6nZeQZNYBEwIcsne1mJd9oQItQ==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "encodeurl": "^2.0.0",
+        "escape-html": "^1.0.3",
+        "parseurl": "^1.3.3",
+        "send": "^1.2.0"
+      },
+      "engines": {
+        "node": ">= 18"
+      }
+    },
+    "node_modules/setprototypeof": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/setprototypeof/-/setprototypeof-1.2.0.tgz",
+      "integrity": "sha512-E5LDX7Wrp85Kil5bhZv46j8jOeboKq5JMmYM3gVGdGH8xFpPWXUMsNrlODCrkoxMEeNi/XZIwuRvY4XNwYMJpw==",
+      "dev": true,
+      "license": "ISC"
+    },
+    "node_modules/side-channel": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/side-channel/-/side-channel-1.1.0.tgz",
+      "integrity": "sha512-ZX99e6tRweoUXqR+VBrslhda51Nh5MTQwou5tnUDgbtyM0dBgmhEDtWGP/xbKn6hqfPRHujUNwz5fy/wbbhnpw==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "es-errors": "^1.3.0",
+        "object-inspect": "^1.13.3",
+        "side-channel-list": "^1.0.0",
+        "side-channel-map": "^1.0.1",
+        "side-channel-weakmap": "^1.0.2"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
+    "node_modules/side-channel-list": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/side-channel-list/-/side-channel-list-1.0.0.tgz",
+      "integrity": "sha512-FCLHtRD/gnpCiCHEiJLOwdmFP+wzCmDEkc9y7NsYxeF4u7Btsn1ZuwgwJGxImImHicJArLP4R0yX4c2KCrMrTA==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "es-errors": "^1.3.0",
+        "object-inspect": "^1.13.3"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
+    "node_modules/side-channel-map": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/side-channel-map/-/side-channel-map-1.0.1.tgz",
+      "integrity": "sha512-VCjCNfgMsby3tTdo02nbjtM/ewra6jPHmpThenkTYh8pG9ucZ/1P8So4u4FGBek/BjpOVsDCMoLA/iuBKIFXRA==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "call-bound": "^1.0.2",
+        "es-errors": "^1.3.0",
+        "get-intrinsic": "^1.2.5",
+        "object-inspect": "^1.13.3"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
+    "node_modules/side-channel-weakmap": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/side-channel-weakmap/-/side-channel-weakmap-1.0.2.tgz",
+      "integrity": "sha512-WPS/HvHQTYnHisLo9McqBHOJk2FkHO/tlpvldyrnem4aeQp4hai3gythswg6p01oSoTl58rcpiFAjF2br2Ak2A==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "call-bound": "^1.0.2",
+        "es-errors": "^1.3.0",
+        "get-intrinsic": "^1.2.5",
+        "object-inspect": "^1.13.3",
+        "side-channel-map": "^1.0.1"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
     "node_modules/source-map-js": {
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/source-map-js/-/source-map-js-1.2.1.tgz",
@@ -1752,6 +2561,16 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/statuses": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/statuses/-/statuses-2.0.2.tgz",
+      "integrity": "sha512-DvEy55V3DB7uknRo+4iOGT5fP1slR8wQohVdknigZPMpMstaKJQWhwiYBACJE3Ul2pTnATihhBYnRhZQHGBiRw==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
     "node_modules/svelte": {
       "version": "5.30.1",
       "resolved": "https://registry.npmjs.org/svelte/-/svelte-5.30.1.tgz",
@@ -1850,6 +2669,31 @@
         "url": "https://github.com/sponsors/SuperchupuDev"
       }
     },
+    "node_modules/toidentifier": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/toidentifier/-/toidentifier-1.0.1.tgz",
+      "integrity": "sha512-o5sSPKEkg/DIQNmH43V0/uerLrpzVedkUh8tGNvaeXpfpuwjKenlSox/2O/BTlZUtEe+JG7s5YhEz608PlAHRA==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=0.6"
+      }
+    },
+    "node_modules/type-is": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/type-is/-/type-is-2.0.1.tgz",
+      "integrity": "sha512-OZs6gsjF4vMp32qrCbiVSkrFmXtG/AZhY3t0iAMrMBiAZyV9oALtXO8hsrHbMXF9x6L3grlFuwW2oAz7cav+Gw==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "content-type": "^1.0.5",
+        "media-typer": "^1.1.0",
+        "mime-types": "^3.0.0"
+      },
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
     "node_modules/typescript": {
       "version": "5.8.3",
       "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.8.3.tgz",
@@ -1864,6 +2708,26 @@
         "node": ">=14.17"
       }
     },
+    "node_modules/unpipe": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",
+      "integrity": "sha512-pjy2bYhSsufwWlKwPc+l3cN7+wuJlK6uz0YdJEOlQDbl6jo/YlPi4mb8agUkVC8BF7V8NuzeyPNqRksA3hztKQ==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
+    "node_modules/vary": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
+      "integrity": "sha512-BNGbWLfd0eUPabhkXUVm0j8uuvREyTh5ovRa/dyow/BqAbZJyC+5fU+IzQOzmAKzYqYRAISoRhdQr3eIZ/PXqg==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
     "node_modules/vite": {
       "version": "6.3.5",
       "resolved": "https://registry.npmjs.org/vite/-/vite-6.3.5.tgz",
@@ -1957,6 +2821,13 @@
         }
       }
     },
+    "node_modules/wrappy": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
+      "integrity": "sha512-l4Sp/DRseor9wL6EvV2+TuQn63dMkPjZ/sp9XkghTEbV9KlPS1xUsZ3u7/IQO4wxtcFB4bgpQPRcR3QCvezPcQ==",
+      "dev": true,
+      "license": "ISC"
+    },
     "node_modules/yallist": {
       "version": "5.0.0",
       "resolved": "https://registry.npmjs.org/yallist/-/yallist-5.0.0.tgz",

web/package.json

@@ -15,7 +15,9 @@
     "svelte": "^5.28.1",
     "svelte-check": "^4.1.6",
     "typescript": "~5.8.3",
-    "vite": "^6.3.5"
+    "vite": "^6.3.5",
+    "body-parser": "^2.2.0",
+    "express": "^5.1.0"
   },
   "dependencies": {
     "@tailwindcss/vite": "^4.1.7",

web/src/App.svelte

@@ -3,15 +3,21 @@
   import IDTable from "./lib/IDTable.svelte";
   import LastId from "./lib/LastID.svelte";
   import AddIDModal from "./lib/AddIDModal.svelte";
+  import ExportModal from "./lib/ExportModal.svelte";
+  import { generateCSVFile } from "./lib/exporting";
+  import { fetchMapping, type IDMap } from "./lib/IDMapping";
+  import { downloadBlob } from "./lib/downloadBlob";
 
   let lastID: string = $state("");
+  let mapping: IDMap | null = $state(null);
 
   let addModal: AddIDModal;
-  let idTable: IDTable;
+  let exportModal: ExportModal;
+
+  onMount(async () => {
+    mapping = await fetchMapping();
 
-  onMount(() => {
     let sse = new EventSource("/api/idevent");
-
     sse.onmessage = (e) => {
       lastID = e.data;
     };
@@ -25,13 +31,14 @@
     <h1 class="text-3xl sm:text-4xl font-bold text-gray-800">Anwesenheit</h1>
   </div>
 
-  <a
+  <button
     class="px-6 py-3 text-lg font-semibold text-white bg-indigo-600 rounded-2xl shadow-md hover:bg-indigo-700 transition"
-    href="/api/csv"
+    onclick={() => {
-    download="anwesenheit.csv"
+      exportModal.open();
+    }}
   >
-    Download CSV
+    Export CSV
-  </a>
+  </button>
 
   <div class="pt-3 pb-2">
     <LastId
@@ -42,15 +49,32 @@
     />
   </div>
   <div>
-    <IDTable bind:this={idTable} onEdit={(id,firstName,lastName)=>{
+    {#if mapping}
+      <IDTable
+        data={mapping}
+        onEdit={(id, firstName, lastName) => {
           addModal.open(id, firstName, lastName);
-    }}/>
+        }}
+      />
+    {/if}
   </div>
 
   <AddIDModal
     bind:this={addModal}
-    onSubmitted={() => {
+    onSubmitted={async () => {
-      idTable.reloadData();
+      mapping = await fetchMapping();
+    }}
+  />
+
+  <ExportModal
+    bind:this={exportModal}
+    onSubmitted={async (from, to) => {
+      if (!mapping) {
+        return;
+      }
+      let csvFile = await generateCSVFile(from, to, mapping);
+
+      downloadBlob("export.csv",csvFile,"text/csv");
     }}
   />
 </main>

web/src/lib/Day.ts

@@ -0,0 +1,31 @@
+export type Day = number;
+
+export interface AttendanceDay {
+  date: Day,
+  ids: string[],
+}
+
+export function dayToDate(day: Day): Date {
+  const SEC_PER_DAY = 86_400;
+
+  return new Date(day * SEC_PER_DAY * 1000);
+}
+
+export async function fetchDay(day: Day): Promise<AttendanceDay> {
+  let res = await fetch("/api/day?" + (new URLSearchParams({ day: day.toString() }).toString()));
+
+  let json = await res.json();
+
+  return json;
+}
+
+export async function fetchDays(from: Date, to: Date): Promise<Day[]> {
+  let q = new URLSearchParams({ from: (from.getTime() / 1000).toString(), to: (to.getTime() / 1000).toString() });
+
+  let res = await fetch("/api/days?" + q);
+
+  let json = await res.json();
+
+  return json;
+}
+

web/src/lib/ExportModal.svelte

@@ -0,0 +1,142 @@
+<script lang="ts">
+  import Modal from "./Modal.svelte";
+
+  let { onSubmitted }: { onSubmitted?: (from: Date, to: Date) => void } =
+    $props();
+
+  let modal: Modal;
+
+  let fromDate: string | undefined = $state();
+  let toDate: string | undefined = $state();
+
+  let selectedYear: number = $state(new Date().getFullYear());
+
+  let selectedTab = $state(0);
+
+  export function open() {
+    modal.open();
+  }
+
+  function generateYears() {
+    const currentYear = new Date().getFullYear();
+    const startingYear = 2020;
+
+    return Array.from(
+      new Array(currentYear + 1 - startingYear),
+      (_, i) => i + startingYear,
+    );
+  }
+
+  function onsubmit(e: SubmitEvent) {
+    let from: Date;
+    let to: Date;
+
+    switch (selectedTab) {
+      case 0:
+        if (!fromDate || !toDate) {
+          e.preventDefault();
+          return;
+        }
+
+        from = new Date(fromDate);
+        to = new Date(toDate);
+        break;
+      case 1:
+        from = new Date(selectedYear, 0);
+        to = new Date(selectedYear + 1, 0);
+        break;
+      default:
+        console.error("Invalid tab");
+        return;
+    }
+
+    onSubmitted?.(from, to);
+  }
+</script>
+
+<Modal bind:this={modal}>
+  <div class="flex">
+    <button
+      onclick={() => {
+        selectedTab = 0;
+      }}
+      class="tab {selectedTab === 0 ? 'tab-active' : ''}"
+    >
+      Datum
+    </button>
+    <button
+      onclick={() => {
+        selectedTab = 1;
+      }}
+      class="tab {selectedTab === 1 ? 'tab-active' : ''}"
+    >
+      Jahr
+    </button>
+  </div>
+  <form method="dialog" {onsubmit} class="flex flex-col">
+    {#if selectedTab === 0}
+      <div>
+        <label class="form-row">
+          <span>Von:</span>
+          <input type="date" class="form-input" bind:value={fromDate} />
+        </label>
+
+        <label class="form-row">
+          <span>Bis:</span>
+          <input type="date" class="form-input" bind:value={toDate} />
+        </label>
+      </div>
+    {/if}
+
+    {#if selectedTab === 1}
+      <div>
+        <label class="form-row">
+          <span>Kalendar Jahr:</span>
+          <select class="form-input" bind:value={selectedYear}>
+            {#each generateYears() as year}
+              <option value={year}>{year}</option>
+            {/each}
+          </select>
+        </label>
+      </div>
+    {/if}
+
+    <div class="flex justify-end mt-3">
+      <button
+        type="reset"
+        class="mr-5 px-2 py-1 bg-red-500 rounded-2xl shadow-md"
+        onclick={() => {
+          modal.close();
+
+          fromDate = undefined;
+          toDate = undefined;
+        }}>Abbrechen</button
+      >
+      <button
+        type="submit"
+        class="px-2 py-1 bg-indigo-600 rounded-2xl shadow-md hover:bg-indigo-700 transition"
+        >Export CSV</button
+      >
+    </div>
+  </form>
+</Modal>
+
+<style scoped>
+  @reference "../app.css";
+
+  .tab {
+    @apply px-4 py-2 rounded-t-lg bg-indigo-600 hover:bg-indigo-700 font-medium border-b-2 border-transparent cursor-pointer transition-colors duration-200;
+  }
+
+  .tab-active {
+    @apply px-4 py-2 bg-indigo-500 font-semibold border-b-2 border-blue-600 shadow-sm cursor-pointer;
+  }
+
+  .form-row {
+    @apply flex justify-between my-1;
+  }
+
+  .form-input {
+    @apply ml-20;
+  }
+</style>

web/src/lib/IDMapping.ts

@@ -1,7 +1,3 @@
-export interface IDMapping {
-  id_map: IDMap
-}
-
 export interface IDMap {
   [name: string]: Name
 }
@@ -11,6 +7,23 @@ export interface Name {
   last: string,
 }
 
+function stupidSerdeFix(pairs: [string, Name][]): IDMap {
+  const map: IDMap = {};
+  for (const [key, value] of pairs) {
+    map[key] = value;
+  }
+
+  return map;
+}
+
+export async function fetchMapping(): Promise<IDMap> {
+  let res = await fetch("/api/mapping");
+
+  let data = await res.json();
+
+  return stupidSerdeFix(data);
+}
+
 export async function addMapping(id: string, firstName: string, lastName: string) {
   let req = await fetch("/api/mapping", {
     method: "POST",

web/src/lib/IDTable.svelte

@@ -1,19 +1,17 @@
 <script lang="ts">
-  import { onMount } from "svelte";
+  import { type IDMap } from "./IDMapping";
-  import type { IDMapping } from "./IDMapping";
-  let data: IDMapping | undefined = $state();
 
-  let { onEdit }: { onEdit?: (string,string,string) => void } = $props();
+  let {
-
+    onEdit,
-  export async function reloadData() {
+    data,
-    let res = await fetch("/api/mapping");
+  }: {
-
+    onEdit?: (id: string, firstName: string, lastName: string) => void;
-    data = await res.json();
+    data: IDMap;
-  }
+  } = $props();
 
   let rows = $derived(
     data
-      ? Object.entries(data.id_map).map(([id, value]) => ({
+      ? Object.entries(data).map(([id, value]) => ({
           id,
           ...value,
         }))
@@ -43,16 +41,8 @@
     if (sortKey !== key) return "";
     return sortDirection === "asc" ? "▲" : "▼";
   }
-
-  onMount(async () => {
-    await reloadData();
-  });
-
 </script>
 
-{#if data == null}
-  Loading...
-{:else}
 <div class="bg-indigo-500 py-2 rounded-2xl overflow-x-auto">
   <table class="px-10">
     <thead>
@@ -84,8 +74,7 @@
 
           <span class="indicator">{indicator("first")}</span>
         </th>
-          <th>
+        <th> </th>
-          </th>
       </tr>
     </thead>
     <tbody>
@@ -94,19 +83,22 @@
           <td class="whitespace-nowrap pr-5 pl-2 py-1">{row.id}</td>
           <td class="whitespace-nowrap pr-5">{row.last}</td>
           <td class="whitespace-nowrap pr-5">{row.first}</td>
-            <td class="pr-5" ><button onclick={()=>{
+          <td class="pr-5"
+            ><button
+              onclick={() => {
                 onEdit && onEdit(row.id, row.first, row.last);
-            }} class="cursor-pointer">🔧</button></td>
+              }}
+              class="cursor-pointer">🔧</button
+            ></td
+          >
         </tr>
       {/each}
     </tbody>
   </table>
 </div>
-{/if}
 
 <style lang="css" scoped>
   @reference "../app.css";
-
   .indicator {
     @apply ml-1 w-4 inline-block;
   }

web/src/lib/csv.ts

@@ -0,0 +1,103 @@
+interface CSVOptions {
+  delimiter?: string;
+  headerOrder?: string[];
+  eol?: string;
+  includeBOM?: boolean;
+  nullString?: string;
+}
+
+type RowObject = Record<string, any>;
+type InputRows = RowObject[];
+
+export function generateCSVString(input: InputRows, opts: CSVOptions = {}): string {
+  const {
+    delimiter = ";",
+    headerOrder,
+    eol = "\r\n",
+    includeBOM = true,
+    nullString = "",
+  } = opts;
+
+  // Check if the value need quoting
+  // Usually not needed in our use case but still in case
+  const needsQuoting = (s: string) =>
+    s.includes(delimiter) || s.includes('"') || s.includes("\n") || s.includes("\r") || /^\s|\s$/.test(s);
+
+  // Transform the value of a cell in a SAFE string
+  const escapeCell = (raw: any): string => {
+    if (raw === null || raw === undefined) return nullString;
+
+    let s = stringify(raw);
+
+    // Replace quotes 
+    if (s.includes('"')) s = s.replace(/"/g, '""');
+
+    return needsQuoting(s) ? `"${s}"` : s;
+  };
+
+  // Transform the value of a cell into a string
+  function stringify(v: any): string {
+    if (v === null || v === undefined) return nullString;
+    if (v instanceof Date) return v.toLocaleDateString();
+    if (typeof v === "boolean") return v ? "X" : "";
+
+    if (typeof v === "object") {
+      // CHeck if array and join with "|"
+      if (Array.isArray(v)) return v.map(item => (item === null || item === undefined ? nullString : String(item))).join("|");
+
+      // If all fails parse it via json
+      // Should also not happen in our use case
+      try { return JSON.stringify(v); } catch { return String(v); }
+    }
+    return String(v);
+  }
+
+  const objs = (input as RowObject[]) || [];
+
+  // Derive headers in the order keys are first encountered (fixed: no reduce)
+  const seen = new Set<string>();
+  const derivedOrder: string[] = [];
+  for (const obj of objs) {
+    if (!obj || typeof obj !== "object") continue;
+    for (const k of Object.keys(obj)) {
+      if (!seen.has(k)) {
+        seen.add(k);
+        derivedOrder.push(k);
+      }
+    }
+  }
+
+  // Apply headerOrder if provided: put listed columns first (in the order provided),
+  // then append the remaining derived headers in their derived order.
+  let finalHeaders = derivedOrder.slice();
+  if (Array.isArray(headerOrder) && headerOrder.length > 0) {
+    const headSet = new Set(headerOrder);
+    const first = headerOrder.filter(h => seen.has(h)); // keep only headers that actually exist
+    const rest = derivedOrder.filter(h => !headSet.has(h));
+    finalHeaders = first.concat(rest);
+  }
+
+  const rowsOut: string[] = [];
+
+  if (finalHeaders.length > 0) {
+    rowsOut.push(finalHeaders.map(h => escapeCell(h)).join(delimiter));
+  }
+
+  // Parse every row 
+  for (const obj of objs) {
+
+    // Check if obj is null or somthing else we can't convert
+    if (!obj || typeof obj !== "object") {
+
+      // produce empty row with same number of columns 
+      rowsOut.push(finalHeaders.map(() => escapeCell(null)).join(delimiter));
+      continue;
+    }
+
+    // For every header check if a value on our row exist and print it
+    const row = finalHeaders.map(col => escapeCell(col in obj ? (obj as any)[col] : null)).join(delimiter);
+    rowsOut.push(row);
+  }
+
+  return (includeBOM ? "\uFEFF" : "") + rowsOut.join(eol);
+}

web/src/lib/downloadBlob.ts

@@ -0,0 +1,8 @@
+export function downloadBlob(filename: string, content: string, mimeType = "text/plain") {
+  const blob = new Blob([content], { type: mimeType });
+  const a = document.createElement("a");
+  a.href = URL.createObjectURL(blob);
+  a.download = filename;
+  a.click();
+  URL.revokeObjectURL(a.href);
+}

web/src/lib/exporting.ts

@@ -0,0 +1,53 @@
+import { generateCSVString } from "./csv";
+import { dayToDate, fetchDay, fetchDays, type AttendanceDay, type Day } from "./Day";
+import type { IDMap } from "./IDMapping";
+
+interface CSVRow {
+  ID: string
+  Vorname: string
+  Nachname: string
+  [key: string]: string | boolean
+}
+
+function prepareRows(mapping: IDMap, days: AttendanceDay[]): CSVRow[] {
+  let csvData: CSVRow[] = [];
+
+  const allIDs = Object.keys(mapping);
+
+  for (const id of allIDs) {
+    const name = mapping[id];
+    const row: CSVRow = {
+      ID: id,
+      Vorname: name.first,
+      Nachname: name.last,
+    };
+
+    for (const day of days) {
+      const dayKey = dayToDate(day.date).toLocaleDateString();
+      row[dayKey] = day.ids.includes(id);
+    }
+
+    csvData.push(row);
+  }
+
+  return csvData;
+}
+
+async function getDays(from: Date, to: Date): Promise<AttendanceDay[]> {
+  const recordedDays: Day[] = await fetchDays(from, to);
+  let days: AttendanceDay[] = [];
+
+  for (const day of recordedDays) {
+    days.push(await fetchDay(day))
+  }
+
+  return days;
+}
+
+export async function generateCSVFile(from: Date, to: Date, mapping: IDMap): Promise<string> {
+  const days = await getDays(from, to);
+  const rows = prepareRows(mapping, days);
+  const csvString = generateCSVString(rows);
+
+  return csvString;
+}

web/vite.config.ts

@@ -11,7 +11,7 @@ export default defineConfig({
   server: {
     proxy: {
       "/api": {
-        target: "http://localhost:8080",
+        target: "http://localhost:3000",
       },
     },
   },