wide-angle-calendar/src/wac_common_ninja.rs
2025-09-11 01:06:11 +00:00

149 lines
4.2 KiB
Rust

use super::{CalendarUi, EventInstance, Parameters, SimpleDownload};
use crate::prelude::*;
use chrono::DateTime;
#[derive(Clone, Deserialize)]
struct SillyDownloadable {
/// URL to scrape to download the file from
download_url: Url,
/// Disk location to cache the file for debugging
file_path: Utf8PathBuf,
}
#[derive(Clone, Deserialize)]
pub(crate) struct Config {
#[serde(flatten)]
dl: SillyDownloadable,
#[serde(flatten)]
pub(crate) ui: CalendarUi,
}
impl Config {
pub(crate) fn simple_download(&self, now: DateTime<chrono_tz::Tz>) -> SimpleDownload {
let date = now.format("%Y-%m-%d").to_string();
let mut url = self.dl.download_url.clone();
url.query_pairs_mut().append_pair("date", &date);
SimpleDownload {
download_url: Some(url),
file_path: self.dl.file_path.clone(),
}
}
}
#[derive(Deserialize)]
struct Event {
#[serde(alias = "durationInMinutes")]
duration_in_minutes: u32,
timestamp: i64,
title: String,
description: String,
}
#[derive(Deserialize)]
struct Data {
items: Vec<Event>,
}
/// The bit that we deserialize directly from JSON
#[derive(Deserialize)]
struct CalendarInner {
data: Data,
}
pub(crate) struct Calendar {
config: Config,
inner: CalendarInner,
}
impl Calendar {
fn to_event_instance(&self, params: &Parameters, ev: &Event) -> Result<Option<EventInstance>> {
let dt = DateTime::from_timestamp_millis(ev.timestamp)
.context("cannot represent timestamp as a date")?
.with_timezone(&params.tz);
let dtstart = crate::DatePerhapsTime { dt, all_day: false };
if dtstart.dt < params.output_start || dtstart.dt > params.output_stop {
return Ok(None);
}
Ok(Some(EventInstance {
calendar_ui: self.config.ui.clone(),
dtstart,
location: None,
recurrence_id: None,
summary: Some(ev.title.clone()),
uid: None,
url: None,
}))
}
pub(crate) fn event_instances(&self, params: &Parameters) -> Result<Vec<EventInstance>> {
self.inner
.data
.items
.iter()
.filter_map(|ev| self.to_event_instance(params, ev).transpose())
.collect()
}
pub(crate) fn read_from_str(config: Config, s: &str) -> Result<Self> {
let inner = serde_json::from_str(s)?;
Ok(Self { config, inner })
}
pub(crate) fn read_from_config(config: Config) -> Result<Self> {
let s = std::fs::read_to_string(&config.dl.file_path)?;
Self::read_from_str(config, &s)
}
}
#[cfg(test)]
mod tests {
use super::*;
fn example_config() -> Config {
Config {
dl: SillyDownloadable {
download_url: Url::parse("https://www.commoninja.com/api/apps/calendar/get-monthly-events?widgetId=00000000-0000-0000-000000000000").unwrap(),
file_path: ".".into(),
},
ui: CalendarUi {
html_url: None,
short_name: "asdf".into(),
},
}
}
#[test]
fn end_to_end() {
let s = r#"
{"data":{"items":[{"timestamp":1748989800000,"durationInMinutes":90,"title":"Foo Bar","description":""},{"timestamp":1749999600000,"durationInMinutes":30,"title":"Snaf Oo","description":""}]},"success":true,"message":""}
"#;
let cfg = example_config();
let cal = Calendar::read_from_str(cfg, s).unwrap();
let params = Parameters::new(
DateTime::from_timestamp(1748989700, 0)
.unwrap()
.with_timezone(&chrono_tz::America::Chicago),
)
.unwrap();
let instances = cal.event_instances(&params).unwrap();
assert_eq!(instances.len(), 2);
}
#[test]
fn unsillify() {
let dt = DateTime::from_timestamp(1756190298, 0)
.unwrap()
.with_timezone(&chrono_tz::America::Chicago);
let cfg = example_config();
assert_eq!(
cfg.simple_download(dt).download_url.unwrap().to_string(),
"https://www.commoninja.com/api/apps/calendar/get-monthly-events?widgetId=00000000-0000-0000-000000000000&date=2025-08-26"
);
}
}