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use crate::datetime::from_ordinal;
use crate::datetime::{DTime, Time};
use crate::iter::iterinfo::IterInfo;
use crate::utils::pymod;
use chrono::prelude::*;
use chrono_tz::Tz;
pub fn build_poslist(
bysetpost: &Vec<isize>,
timeset: &Vec<Time>,
start: usize,
end: usize,
ii: &IterInfo,
dayset: &Vec<Option<isize>>,
tz: &Tz,
) -> Vec<DTime> {
let mut poslist = vec![];
for j in 0..bysetpost.len() {
let daypos;
let timepos;
let pos = bysetpost[j];
if pos < 0 {
daypos = (pos as f32 / timeset.len() as f32).floor() as isize;
timepos = pymod(pos as isize, timeset.len() as isize);
} else {
daypos = ((pos - 1) as f32 / timeset.len() as f32) as isize;
timepos = pymod(pos as isize - 1, timeset.len() as isize);
}
let mut tmp = vec![];
for k in start..end {
let val = dayset[k];
match val {
Some(v) => tmp.push(v),
None => (),
}
}
let i;
if daypos < 0 {
let index = tmp.len() as isize + daypos;
i = &tmp[index as usize];
} else {
i = &tmp[daypos as usize];
}
let date = from_ordinal(ii.yearordinal().unwrap() + i, tz);
let res = tz.ymd(date.year(), date.month(), date.day()).and_hms(
timeset[timepos as usize].hour as u32,
timeset[timepos as usize].minute as u32,
timeset[timepos as usize].second as u32,
);
if !poslist.iter().any(|&p| p == res) {
poslist.push(res);
}
}
poslist.sort_by_key(|a| a.timestamp());
poslist
}
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