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use chrono::prelude::*;
use chrono_tz::Tz;
use crate::datetime::{DTime, get_weekday_val};
use crate::parse_options::parse_options;
use std::error::Error;
use std::fmt::{Display, Formatter};
#[derive(Debug, PartialEq, PartialOrd, Clone)]
pub enum Frequenzy {
Yearly = 0,
Monthly = 1,
Weekly = 2,
Daily = 3,
Hourly = 4,
Minutely = 5,
Secondly = 6,
}
#[derive(Debug, Clone)]
pub struct ParsedOptions {
pub freq: Frequenzy,
pub interval: usize,
pub count: Option<u32>,
pub until: Option<DTime>,
pub tzid: Tz,
pub dtstart: DTime,
pub wkst: usize,
pub bysetpos: Vec<isize>,
pub bymonth: Vec<usize>,
pub bymonthday: Vec<isize>,
pub bynmonthday: Vec<isize>,
pub byyearday: Vec<isize>,
pub byweekno: Vec<isize>,
pub byweekday: Vec<usize>,
pub byhour: Vec<usize>,
pub byminute: Vec<usize>,
pub bysecond: Vec<usize>,
pub bynweekday: Vec<Vec<isize>>,
pub byeaster: Option<isize>,
}
// TODO: PartialOptions shouldnt have all of these fields
#[derive(Debug, Clone)]
pub struct Options {
pub freq: Option<Frequenzy>,
pub interval: Option<usize>,
pub count: Option<u32>,
pub until: Option<DTime>,
pub tzid: Option<Tz>,
pub dtstart: Option<DTime>,
pub wkst: Option<usize>,
pub bysetpos: Option<Vec<isize>>,
pub bymonth: Option<Vec<usize>>,
pub bymonthday: Option<Vec<isize>>,
pub bynmonthday: Option<Vec<isize>>,
pub byyearday: Option<Vec<isize>>,
pub byweekno: Option<Vec<isize>>,
pub byweekday: Option<Vec<usize>>,
pub byhour: Option<Vec<usize>>,
pub byminute: Option<Vec<usize>>,
pub bysecond: Option<Vec<usize>>,
pub bynweekday: Option<Vec<Vec<isize>>>,
pub byeaster: Option<isize>,
}
impl Options {
pub fn new() -> Self {
Self {
freq: None,
interval: None,
count: None,
until: None,
tzid: None,
dtstart: None,
wkst: None,
bysetpos: None,
bymonth: None,
bymonthday: None,
bynmonthday: None,
byyearday: None,
byweekno: None,
byweekday: None,
byhour: None,
byminute: None,
bysecond: None,
bynweekday: None,
byeaster: None,
}
}
// TODO: better name
fn is_some_or_none<'a, T>(prop1: &'a Option<T>, prop2: &'a Option<T>) -> &'a Option<T> {
if prop2.is_some() {
return prop2;
}
prop1
}
pub fn concat(opt1: &Self, opt2: &Self) -> Self {
Self {
freq: Self::is_some_or_none(&opt1.freq, &opt2.freq).clone(),
interval: Self::is_some_or_none(&opt1.interval, &opt2.interval).clone(),
count: Self::is_some_or_none(&opt1.count, &opt2.count).clone(),
until: Self::is_some_or_none(&opt1.until, &opt2.until).clone(),
tzid: Self::is_some_or_none(&opt1.tzid, &opt2.tzid).clone(),
dtstart: Self::is_some_or_none(&opt1.dtstart, &opt2.dtstart).clone(),
wkst: Self::is_some_or_none(&opt1.wkst, &opt2.wkst).clone(),
bysetpos: Self::is_some_or_none(&opt1.bysetpos, &opt2.bysetpos).clone(),
bymonth: Self::is_some_or_none(&opt1.bymonth, &opt2.bymonth).clone(),
bymonthday: Self::is_some_or_none(&opt1.bymonthday, &opt2.bymonthday).clone(),
bynmonthday: Self::is_some_or_none(&opt1.bynmonthday, &opt2.bynmonthday).clone(),
byyearday: Self::is_some_or_none(&opt1.byyearday, &opt2.byyearday).clone(),
byweekno: Self::is_some_or_none(&opt1.byweekno, &opt2.byweekno).clone(),
byweekday: Self::is_some_or_none(&opt1.byweekday, &opt2.byweekday).clone(),
byhour: Self::is_some_or_none(&opt1.byhour, &opt2.byhour).clone(),
byminute: Self::is_some_or_none(&opt1.byminute, &opt2.byminute).clone(),
bysecond: Self::is_some_or_none(&opt1.bysecond, &opt2.bysecond).clone(),
bynweekday: Self::is_some_or_none(&opt1.bynweekday, &opt2.bynweekday).clone(),
byeaster: Self::is_some_or_none(&opt1.byeaster, &opt2.byeaster).clone(),
}
}
pub fn freq(mut self, freq: Frequenzy) -> Self {
self.freq = Some(freq);
self
}
pub fn interval(mut self, interval: usize) -> Self {
self.interval = Some(interval);
self
}
pub fn count(mut self, count: u32) -> Self {
self.count = Some(count);
self
}
pub fn until(mut self, until: DTime) -> Self {
self.until = Some(until);
self
}
pub fn dtstart(mut self, dtstart: DTime) -> Self {
self.dtstart = Some(dtstart);
self.tzid = Some(dtstart.timezone());
self
}
pub fn wkst(mut self, wkst: Weekday) -> Self {
self.wkst = Some(get_weekday_val(&wkst));
self
}
pub fn bysetpos(mut self, bysetpos: Vec<isize>) -> Self {
self.bysetpos = Some(bysetpos);
self
}
pub fn bymonth(mut self, bymonth: Vec<usize>) -> Self {
self.bymonth = Some(bymonth);
self
}
pub fn bymonthday(mut self, bymonthday: Vec<isize>) -> Self {
self.bymonthday = Some(bymonthday);
self
}
pub fn byyearday(mut self, byyearday: Vec<isize>) -> Self {
self.byyearday = Some(byyearday);
self
}
pub fn byweekno(mut self, byweekno: Vec<isize>) -> Self {
self.byweekno = Some(byweekno);
self
}
pub fn byweekday(mut self, byweekday: Vec<Weekday>) -> Self {
let byweekday = byweekday.iter().map(|w| get_weekday_val(w)).collect();
self.byweekday = Some(byweekday);
self
}
pub fn byhour(mut self, byhour: Vec<usize>) -> Self {
self.byhour = Some(byhour);
self
}
pub fn byminute(mut self, byminute: Vec<usize>) -> Self {
self.byminute = Some(byminute);
self
}
pub fn bysecond(mut self, bysecond: Vec<usize>) -> Self {
self.bysecond = Some(bysecond);
self
}
pub fn byeaster(mut self, byeaster: isize) -> Self {
self.byeaster = Some(byeaster);
self
}
pub fn build(self) -> Result<ParsedOptions, RRuleParseError> {
parse_options(&self)
}
}
#[derive(Debug, Clone)]
pub struct RRuleParseError(pub String);
impl Display for RRuleParseError {
fn fmt(&self, f: &mut Formatter) -> core::fmt::Result {
write!(f, "Encountered parsing error: {}", self.0)
}
}
impl Error for RRuleParseError{}
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