checkpoint

src/main.rs

@@ -1,5 +1,6 @@
 use anyhow::{Context as _, Result, anyhow, bail};
 use base64::Engine as _;
+use camino::Utf8PathBuf;
 use chrono::{DateTime, TimeZone as _, Utc};
 use clap::Parser as _;
 use icalendar::{Component as _, EventLike as _};
@@ -7,26 +8,49 @@ use serde::Deserialize;
 use std::{
     collections::BTreeSet, io::Write as _, path::PathBuf, str::FromStr as _, time::Duration,
 };
+use url::Url;
 
 #[cfg(test)]
 mod tests;
 
+#[derive(Clone, Deserialize)]
+struct Downloadable {
+    /// URL to scrape to download the JSON
+    download_url: Option<Url>,
+
+    /// Disk location to cache the JSON file for debugging
+    file_path: Utf8PathBuf,
+}
+
+/// The Sierra Club uses a calendar software called Campfire, which luckily puts out nice JSON files
+///
+/// It's also deterministic, which is lovely. You get the same JSON byte-for-byte unless the events changed
+#[derive(Clone, Deserialize)]
+struct ConfigCampfire {
+    #[serde(flatten)]
+    dl: Downloadable,
+
+    /// A canonical webpage we can direct users to
+    html_url: Option<Url>,
+
+    /// Very short name for putting on each event
+    short_name: String,
+}
+
+/// Google Calendar has a public ics endpoint that we scrape for all upstream Google Calendars
 #[derive(Clone, Deserialize)]
 struct ConfigIcal {
-    /// Disk location to cache the ics file for debugging
-    file_path: PathBuf,
+    #[serde(flatten)]
+    dl: Downloadable,
 
     /// Magical ID we pass to Google to deep-link to Google Calendar events
     google_id: Option<String>,
 
     /// A canonical webpage we can direct users to
-    html_url: Option<url::Url>,
+    html_url: Option<Url>,
 
     /// Very short name for putting on each event
     short_name: String,
-
-    /// URL to scrape to download the ics file
-    ics_url: Option<url::Url>,
 }
 
 #[derive(Deserialize)]
@@ -50,6 +74,7 @@ struct ConfigOutput {
 
 #[derive(Deserialize)]
 struct Config {
+    campfires: Vec<ConfigCampfire>,
     icals: Vec<ConfigIcal>,
     output: ConfigOutput,
 }
@@ -315,8 +340,8 @@ impl ICal {
         Ok(cal)
     }
 
-    fn read_from_config(config: &ConfigIcal) -> Result<Self> {
-        let s = std::fs::read_to_string(&config.file_path)?;
+    fn read_from_downloadable(dl: &Downloadable) -> Result<Self> {
+        let s = std::fs::read_to_string(&dl.file_path)?;
         Self::read_from_str(&s)
     }
 
@@ -399,7 +424,7 @@ struct Data {
 fn read_data_from_disk(config: &Config) -> Result<Data> {
     let mut data = Data::default();
     for config in &config.icals {
-        let cal = ICal::read_from_config(config)?;
+        let cal = ICal::read_from_downloadable(&config.dl)?;
         data.icals.push((cal, config.clone()));
     }
 
@@ -628,20 +653,25 @@ async fn do_everything(cli: &CliAuto) -> Result<()> {
     let client = reqwest::Client::builder()
         .user_agent(APP_USER_AGENT)
         .build()?;
-    for ical in &config.icals {
-        let Some(ics_url) = &ical.ics_url else {
+    for dl in config
+        .campfires
+        .iter()
+        .map(|cf| &cf.dl)
+        .chain(config.icals.iter().map(|ical| &ical.dl))
+    {
+        let Some(download_url) = &dl.download_url else {
             continue;
         };
-        tracing::info!(url = ics_url.to_string(), "requesting...");
-        let resp = client.get(ics_url.clone()).send().await?;
+        tracing::info!(url = download_url.to_string(), "requesting...");
+        let resp = client.get(download_url.clone()).send().await?;
         if resp.status() != 200 {
             bail!("Bad status {}", resp.status());
         }
         let bytes = resp.bytes().await?;
 
-        let temp_path = ical.file_path.with_extension(".ics.temp");
+        let temp_path = dl.file_path.with_extension(".ics.temp");
         std::fs::write(&temp_path, &bytes)?;
-        std::fs::rename(&temp_path, &ical.file_path)?;
+        std::fs::rename(&temp_path, &dl.file_path)?;
     }
 
     let data = read_data_from_disk(&config)?;