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use crate::options::{Frequenzy, NWeekday, NWeekdayIdentifier, Options, ParsedOptions, RRuleParseError};
use crate::utils::is_some_and_not_empty;
use chrono::prelude::*;
use chrono_tz::{Tz, UTC};
// TODO: More validation here
pub fn parse_options(options: &Options) -> Result<ParsedOptions, RRuleParseError> {
let mut default_partial_options = Options::new();
default_partial_options.interval = Some(1);
default_partial_options.freq = Some(Frequenzy::Yearly);
default_partial_options.wkst = Some(0);
let tzid: Tz = if options.tzid.is_some() {
options.tzid.clone().unwrap()
} else {
UTC
};
let mut bynweekday: Vec<Vec<isize>> = vec![];
let mut bynmonthday: Vec<isize> = vec![];
let mut partial_options = Options::concat(&default_partial_options, options);
if partial_options.byeaster.is_some() {
partial_options.freq = Some(Frequenzy::Yearly);
}
let freq = partial_options.freq.unwrap_or(Frequenzy::Daily);
if partial_options.dtstart.is_none() {
return Err(RRuleParseError(String::from("Dtstart can not be None")));
}
if partial_options.wkst.is_none() {
partial_options.wkst = Some(0);
}
if let Some(bysetpos) = &partial_options.bysetpos {
for pos in bysetpos {
if *pos == 0 || !(*pos >= -366 && *pos <= 366) {
return Err(RRuleParseError(String::from(
"Bysetpos must be between 1 and 366, or between -366 and -1",
)));
}
}
}
let dtstart = if partial_options.dtstart.is_some() {
partial_options.dtstart.unwrap()
} else {
return Err(RRuleParseError(String::from("Dtstart was not specified")));
};
if !(partial_options.byweekno.is_some()
|| is_some_and_not_empty(&partial_options.byweekno)
|| is_some_and_not_empty(&partial_options.byyearday)
|| partial_options.bymonthday.is_some()
|| is_some_and_not_empty(&partial_options.bymonthday)
|| partial_options.byweekday.is_some()
|| partial_options.byeaster.is_some())
{
match &freq {
Frequenzy::Yearly => {
if partial_options.bymonth.is_none() {
partial_options.bymonth = Some(vec![dtstart.month() as usize]);
}
partial_options.bymonthday = Some(vec![dtstart.day() as isize]);
}
Frequenzy::Monthly => {
partial_options.bymonthday = Some(vec![dtstart.day() as isize]);
}
Frequenzy::Weekly => {
partial_options.byweekday =
Some(vec![NWeekday::new(dtstart.weekday() as usize, NWeekdayIdentifier::Every)]);
}
_ => (),
};
}
match &partial_options.bymonthday {
None => bynmonthday = vec![],
Some(opts_bymonthday) => {
let mut bymonthday = vec![];
for v in opts_bymonthday {
if *v > 0 {
bymonthday.push(*v);
} else if *v < 0 {
bynmonthday.push(*v);
}
}
partial_options.bymonthday = Some(bymonthday);
}
}
let mut byweekday = vec![];
let mut bynweekday: Vec<Vec<isize>> = vec![];
// byweekday / bynweekday // ! more to do here
if let Some(opts_byweekday) = partial_options.byweekday {
for wday in opts_byweekday {
match wday.n {
NWeekdayIdentifier::Every => {
byweekday.push(wday.weekday)
}
NWeekdayIdentifier::Identifier(n) => {
bynweekday.push(vec![wday.weekday as isize, n]);
}
}
// if wday.n == {
// byweekday.push(wday.weekday);
// } else {
// bynweekday.push(vec![wday.weekday as isize, wday.n]);
// }
}
}
// byhour
if partial_options.byhour.is_none() && freq < Frequenzy::Hourly {
partial_options.byhour = Some(vec![dtstart.hour() as usize]);
}
// byminute
if partial_options.byminute.is_none() && freq < Frequenzy::Minutely {
partial_options.byminute = Some(vec![dtstart.minute() as usize]);
}
// bysecond
if partial_options.bysecond.is_none() && freq < Frequenzy::Secondly {
partial_options.bysecond = Some(vec![dtstart.second() as usize]);
}
Ok(ParsedOptions {
freq,
interval: partial_options.interval.unwrap(),
count: partial_options.count,
until: partial_options.until,
tzid,
dtstart,
wkst: partial_options.wkst.unwrap(),
bysetpos: partial_options.bysetpos.unwrap_or(vec![]),
bymonth: partial_options.bymonth.unwrap_or(vec![]),
bymonthday: partial_options.bymonthday.unwrap_or(vec![]),
bynmonthday,
byyearday: partial_options.byyearday.unwrap_or(vec![]),
byweekno: partial_options.byweekno.unwrap_or(vec![]),
byweekday,
bynweekday,
byhour: partial_options.byhour.unwrap_or(vec![]),
byminute: partial_options.byminute.unwrap_or(vec![]),
bysecond: partial_options.bysecond.unwrap_or(vec![]),
byeaster: partial_options.byeaster,
})
}
|
