76 lines
2.3 KiB
Rust
76 lines
2.3 KiB
Rust
use crate::config::{Data, FLOW_COL, FLOW_SHEET, TIME_COL, WGHT_COL, WGHT_SHEET};
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use crate::time::{cell_to_naivetime, deltatime};
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use calamine::{open_workbook, Reader, Xlsx};
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use chrono::NaiveTime;
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pub fn process_sheet(
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path: &str,
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worksheet: usize,
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time_col: usize,
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data_col: usize,
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) -> Vec<(f64, f64)> {
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let mut workbook: Xlsx<_> =
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open_workbook(path).unwrap_or_else(|_| panic!("Cannot open file at path \"{}\"", path));
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if let Some(Ok(range)) = workbook.worksheet_range_at(worksheet) {
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let starting_time: NaiveTime = cell_to_naivetime(range[(1, time_col)].get_string());
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let time_range = range.range(
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(1, time_col as u32),
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(range.height() as u32 - 1, time_col as u32),
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);
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let weight_range = range.range(
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(1, data_col as u32),
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(range.height() as u32 - 1, data_col as u32),
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);
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// println!("time column cells: {:?}", time_range.cells().next());
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// println!("time column strings: {:?}", time_range.cells().map(|c| c.2.get_string().unwrap()).collect::<Vec<&str>>());
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let map_time_range = time_range.cells().map(|c| {
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let timestamp = cell_to_naivetime(c.2.get_string());
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let deltatime = deltatime(timestamp, starting_time);
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let std_duration = deltatime.to_std().unwrap();
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std_duration.as_secs_f32() as f64
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});
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let map_weight_range = weight_range.cells().map(|c| {
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c.2.get_float().unwrap_or_else(|| {
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panic!(
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"Can't get float value of weight column at position ({},{})",
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c.0, c.1
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)
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})
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});
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map_time_range.zip(map_weight_range).collect()
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} else {
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vec![]
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}
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}
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pub fn load_data(path: &str, cutoff: Option<f64>) -> Option<Data> {
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let mut w = process_sheet(path, WGHT_SHEET, TIME_COL, WGHT_COL);
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let mut fr = process_sheet(path, FLOW_SHEET, TIME_COL, FLOW_COL);
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if let Some(cutoff_val) = cutoff {
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if cutoff_val != -1.0 {
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w.retain(|x| x.0 < cutoff_val);
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fr.retain(|x| x.0 < cutoff_val);
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}
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}
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if !w.is_empty() && !fr.is_empty() {
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let data = Data {
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weight: w,
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flowrate: fr,
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};
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Some(data)
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} else {
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None
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}
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}
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