From f0648bcc4e7a6b7ce3f59013f25413a667dc507a Mon Sep 17 00:00:00 2001
From: Julian T <julian@jtle.dk>
Date: Tue, 27 Jul 2021 17:46:28 +0200
Subject: Sort by timestamps and switch to thiserror crate

---
 src/main.rs | 20 +++++++++++++-------
 1 file changed, 13 insertions(+), 7 deletions(-)

(limited to 'src/main.rs')

diff --git a/src/main.rs b/src/main.rs
index b647cdc..40b1faf 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -2,20 +2,26 @@ mod context;
 mod picture;
 mod piece;
 
+use std::error::Error;
+
 use context::Context;
 use picture::Picture;
 use piece::Piece;
 
-fn main() {
+fn main() -> Result<(), Box<dyn Error>> {
     println!("Hello, world!");
 
-    let ctx = Context::new_with_args().unwrap();
+    let ctx = Context::new_with_args()?;
 
-    let pieces = ctx.get_image_files().unwrap().iter()
-                        .map(|file| Picture::new_from_file(&file).unwrap())
-                        .map(|pic| Piece::new(&ctx, pic).unwrap())
-                        .collect::<Vec<Piece>>();
+    let mut pieces = ctx.get_image_files()?.iter()
+        .map(|file| -> Result<Piece, Box<dyn Error>> {
+            let pic = Picture::new_from_file(&file)?;
+            Ok(Piece::new(&ctx, pic)?)
+        }).collect::<Result<Vec<Piece>, Box<dyn Error>>>()?;
+    pieces.sort();
+    pieces.reverse();
 
-    piece::create_index(&ctx, &pieces[..]).unwrap();
+    piece::create_index(&ctx, &pieces[..])?;
 
+    Ok(())
 }
-- 
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