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//! 课程的星期和节次信息
use serde::{Deserialize, Serialize};
use serde_with::serde_as;
use crate::utils::{ApiModel, datetimes::parse_weekday, models::Period};
/// 课程的星期和节次信息
#[serde_as]
#[derive(Debug, Eq, PartialEq, Clone, Serialize)]
pub struct CourseDayTime {
/// 星期，0 为周一，6 为周日
#[serde_as(deserialize_as = "serde_with::PickFirst<(_, WeekDayStrHelper)>")]
#[serde(alias = "weekDayFormat")]
pub weekday: u8,
/// 节次，第一个元素为开始节次，第二个元素为结束节次（该节次也包括在范围内）只有一节课时，两个元素相同
#[serde_as(deserialize_as = "serde_with::PickFirst<(_, PeriodStrHelper)>")]
#[serde(alias = "periodFormat")]
pub period: Period,
}
impl<'de> Deserialize<'de> for CourseDayTime {
fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
where
D: serde::Deserializer<'de>,
{
#[derive(Deserialize)]
#[serde(field_identifier, rename_all = "camelCase")]
enum Field {
WeekDay,
WeekDayFormat,
Period,
PeriodFormat,
#[serde(other)]
Unknown,
}
struct CourseDayTimeVisitor;
impl<'de> serde::de::Visitor<'de> for CourseDayTimeVisitor {
type Value = CourseDayTime;
fn expecting(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
formatter.write_str("struct CourseDayTime")
}
fn visit_map<V>(self, mut map: V) -> Result<CourseDayTime, V::Error>
where
V: serde::de::MapAccess<'de>,
{
let mut weekday = None;
let mut period = None;
while let Some(key) = map.next_key()? {
match key {
Field::WeekDay => {
let value = map.next_value().ok();
if weekday.is_none() {
weekday = value;
}
}
Field::WeekDayFormat => {
let value = map.next_value::<Option<String>>()?;
if let (None, Some(weekday_str)) = (&weekday, value) {
weekday =
Some(parse_weekday(&weekday_str).ok_or_else(|| {
serde::de::Error::custom("Invalid weekday")
})?);
}
}
Field::Period => {
let value = map.next_value().ok();
if period.is_none() {
period = value;
}
}
Field::PeriodFormat => {
let value = map.next_value::<Option<String>>()?;
if let (None, Some(period_str)) = (&period, value) {
period =
Some(Period::parse_period_str(&period_str).ok_or_else(
|| serde::de::Error::custom("Invalid period"),
)?);
}
}
Field::Unknown => {
map.next_value::<serde::de::IgnoredAny>()?;
}
}
}
let weekday = weekday.ok_or_else(|| serde::de::Error::missing_field("weekday"))?;
let period = period.ok_or_else(|| serde::de::Error::missing_field("period"))?;
Ok(CourseDayTime { weekday, period })
}
}
const FIELDS: &[&str] = &["weekday", "weekDayFormat", "period", "periodFormat"];
deserializer.deserialize_struct("CourseDayTime", FIELDS, CourseDayTimeVisitor)
}
}
impl ApiModel for CourseDayTime {}
impl CourseDayTime {
/// 获取星期的较短中文表示
///
/// 例如：0 -> 一
///
/// # Examples
/// ```rust
/// # use rsmycqu::models::Period;
/// # use rsmycqu::mycqu::course::CourseDayTime;
///
/// let course_day_time = CourseDayTime {
/// weekday: 0,
/// period: Period { start: 1, end: 2 },
/// };
///
/// assert_eq!(course_day_time.short_weekday(), "一");
/// ```
pub fn short_weekday(&self) -> &'static str {
match self.weekday {
0 => "一",
1 => "二",
2 => "三",
3 => "四",
4 => "五",
5 => "六",
6 => "日",
_ => unreachable!(),
}
}
/// 获取星期的较长中文表示
///
/// 例如：0 -> 星期一
///
/// # Examples
/// ```rust
/// # use rsmycqu::models::Period;
/// # use rsmycqu::mycqu::course::CourseDayTime;
///
/// let course_day_time = CourseDayTime {
/// weekday: 0,
/// period: Period { start: 1, end: 2 },
/// };
///
/// assert_eq!(course_day_time.long_weekday(), "星期一");
pub fn long_weekday(&self) -> &'static str {
match self.weekday {
0 => "星期一",
1 => "星期二",
2 => "星期三",
3 => "星期四",
4 => "星期五",
5 => "星期六",
6 => "星期日",
_ => unreachable!(),
}
}
}