Improve error handling when parsing jekyll inputtopic/invitation-mailer

1 files changed, 10 insertions, 7 deletions

diff --git a/_invitation-mailer/src/main.rs b/_invitation-mailer/src/main.rs
index 369d6fe..f1ff25f 100644
--- a/_invitation-mailer/src/main.rs
+++ b/_invitation-mailer/src/main.rs
@@ -118,18 +118,21 @@ impl HackNight {
         let event = document.select("article.event").iter().next()
             .ok_or_else(|| anyhow!("Could not find event in html file"))?;
 
-        let year = event.select("p.event-year").text().to_string().parse::<i32>()?;
-        let month = month_number(event.select("p.event-month").text().to_string().as_str())?;
-        let day = event.select("p.event-day").text().to_string().parse::<u32>()?;
+        let year = event.select("p.event-year").text().to_string().parse::<i32>()
+            .context("event-year")?;
+        let month = month_number(event.select("p.event-month").text().to_string().as_str())
+            .context("event-month")?;
+        let day = event.select("p.event-day").text().to_string().parse::<u32>()
+            .context("event-day")?;
 
         let timespan = event.select("dl.dl-horizontal > dd").iter().last()
             .ok_or_else(|| anyhow!("No venue timespan found"))?.text().to_string();
         let (start_str, end_str) = timespan.split_once('—')
             .ok_or_else(|| anyhow!("Couldn't split timespan"))?;
-        let start_hh = start_str[0..=1].parse::<u32>()?;
-        let start_mm = start_str[3..=4].parse::<u32>()?;
-        let end_hh: u32 = end_str[0..=1].parse()?;
-        let end_mm: u32 = end_str[3..=4].parse()?;
+        let start_hh = start_str[0..=1].parse::<u32>().context("Start hour")?;
+        let start_mm = start_str[3..=4].parse::<u32>().context("Start minute")?;
+        let end_hh: u32 = end_str[0..=1].parse().context("End hour")?;
+        let end_mm: u32 = end_str[3..=4].parse().context("End minute")?;
 
         let description = event.select("div.event-desc");
         let title = event.select("h3.event-desc-header").text().to_string().trim().to_owned();