use serde::{Deserialize, Serialize};
use std::{
ops::{Deref, DerefMut},
path::Path,
};
#[derive(Debug, Default, Clone, Serialize, Deserialize)]
pub struct Nodes {
pub sid: u8,
pub xyz: Vec<Vec<f64>>,
}
#[derive(Debug, Default, Clone, Serialize, Deserialize)]
pub struct AsmsNodes(Vec<Nodes>);
impl Deref for AsmsNodes {
type Target = [Nodes];
fn deref(&self) -> &Self::Target {
&self.0
}
}
impl DerefMut for AsmsNodes {
fn deref_mut(&mut self) -> &mut Self::Target {
&mut self.0
}
}
#[derive(Debug, thiserror::Error)]
pub enum NodesError {
#[error("failed to create file the nodes file")]
IO(#[from] std::io::Error),
#[error("failed to encode nodes")]
Encode(#[from] bincode::error::EncodeError),
#[cfg(feature = "polars")]
#[error("failed to write nodes to parquet")]
Parquet(#[from] polars::error::PolarsError),
}
type Result<T> = std::result::Result<T, NodesError>;
impl AsmsNodes {
pub fn push(&mut self, nodes: Nodes) {
self.0.push(nodes)
}
pub fn into_bin(&self, path: impl AsRef<Path>) -> Result<()> {
let mut file = std::fs::File::create(path.as_ref())?;
bincode::serde::encode_into_std_write(self, &mut file, bincode::config::standard())?;
Ok(())
}
#[cfg(feature = "polars")]
pub fn into_parquet(&self, path: impl AsRef<Path>) -> Result<()> {
use polars::prelude::*;
let mut series = vec![];
for (i, nodes) in self.0.iter().enumerate() {
let s: Vec<_> = nodes
.xyz
.iter()
.map(|xyz| {
let s: Series = xyz.iter().collect();
s
})
.collect();
series.push(Series::new(&format!("S{}", i + 1), s));
}
let mut df = DataFrame::new(series)?;
let mut file = std::fs::File::create(path.as_ref())?;
ParquetWriter::new(&mut file).finish(&mut df)?;
Ok(())
}
}