Remove leftover file

@@ -1,131 +1,0
-use std::path::Path;
-
-use fst::{Automaton, IntoStreamer, Streamer};
-use jiff::Timestamp;
-
-use chuva::{MAX_OFFSET, Model, Projector, STEPS};
-
-type Result<T> = crate::Result<T>;
-
-pub type Prediction<'a> = &'a [f32; STEPS];
-
-pub struct Moros {
- model: Model,
- proj: Projector,
- fst: fst::Map<&'static [u8]>,
-}
-
-impl Moros {
- pub fn load_from_dir<P: AsRef<Path>>(dir: P) -> Result<Self> {
- let model = Model::load_from_dir(dir)?;
- let fst = fst::Map::new(FST_STATE)?;
-
- Ok(Self {
- proj: Projector::new(),
- fst,
- model,
- })
- }
-
- pub fn by_lat_lon(&self, lat: f64, lon: f64) -> Option<Prediction<'_>> {
- let offset = self.proj.to_offset(lat, lon)?;
- self.by_offset(offset)
- }
-
- pub fn by_postcode(&self, code: &str) -> Option<Prediction<'_>> {
- let mut stream = self
- .fst
- .search(AsciiUpperCase::new(code).starts_with())
- .into_stream();
- let (_, offset) = stream.next()?;
- self.by_offset(offset as usize)
- }
-
- pub fn by_postcode4(&self, code: &str) -> Option<Prediction<'_>> {
- let mut stream = self.fst.range().gt(code).into_stream();
- let (key, offset) = stream.next()?;
- assert_eq!(6, key.len(), "key is pc6");
- if &key[..4] == code.as_bytes() {
- self.by_offset(offset as usize)
- } else {
- None
- }
- }
-
- #[inline]
- pub(crate) fn by_offset(&self, offset: usize) -> Option<Prediction<'_>> {
- assert!(offset <= MAX_OFFSET);
- Some(
- self.model.data[offset..(offset + STEPS)]
- .try_into()
- .unwrap(),
- )
- }
-
- pub fn created_at(&self) -> Timestamp {
- self.model.created_at
- }
-
- pub fn filename(&self) -> &str {
- &self.model.filename
- }
-
- pub fn kind(&self) -> chuva::ModelKind {
- self.model.kind
- }
-
- pub fn get_time_slot(&self, now: Timestamp) -> Result<usize> {
- get_time_slot(self.model.created_at, now).map_err(|_| "Dataset too old".into())
- }
-}
-
-static FST_STATE: &[u8] = include_bytes!("../asset/postcodes.fst").as_slice();
-
-fn get_time_slot(created_at: Timestamp, now: Timestamp) -> std::result::Result<usize, i64> {
- let age = (now - created_at)
- .total(jiff::Unit::Minute)
- .map_err(|_| 420)?; // irrelevant
-
- if !(0.0..=120.0).contains(&age) {
- Err(age as i64)
- } else {
- let slot = (age / 5.0) as usize;
- assert!(slot < STEPS);
- Ok(slot)
- }
-}
-
-#[cfg(test)]
-mod tests {
- use super::{AsciiUpperCase, FST_STATE, get_time_slot};
-
- use fst::{Automaton, IntoStreamer, Streamer};
- use jiff::{Timestamp, ToSpan};
-
- #[test]
- fn slot_works() {
- let now = Timestamp::now();
-
- assert_eq!(Err(-1), get_time_slot(now, now - 1.minute()));
- assert_eq!(Ok(0), get_time_slot(now, now));
- assert_eq!(Ok(24), get_time_slot(now, now + 2.hours()));
- assert_eq!(Err(121), get_time_slot(now, now + 121.minutes()));
- }
-
- #[test]
- fn case_insensitive_postcode_search() {
- let fst = fst::Map::new(FST_STATE).expect("valid fst state");
-
- let _ = fst.get("1017CE").expect("Key 1017CE exists in the fst");
-
- let mut stream = fst
- .search(AsciiUpperCase::new("1017ce").starts_with())
- .into_stream();
- let (key, _) = stream.next().expect("lower case search matches");
-
- assert_eq!(
- b"1017CE", key,
- "lower case search should match upper case key"
- );
- }
-}

caio.co/de/chuva

Deleted moros/src/chuva.rs