From c785552e71d4f6bb23f6be36442d9590a504876a Mon Sep 17 00:00:00 2001
From: Jonathon Belotti <jonathon.bel.melbourne@gmail.com>
Date: Sat, 19 Oct 2019 18:32:09 +1100
Subject: [PATCH] Fix https://github.com/thundergolfer/goodreads-sh/issues/2

If a book has a description less than MAX_DESC_LEN, which is rare, the program will panic
---
 src/models.rs | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/models.rs b/src/models.rs
index 5835cd2..223f8e1 100644
--- a/src/models.rs
+++ b/src/models.rs
@@ -26,8 +26,14 @@ pub struct Author {
 
 impl Display for Book {
     fn fmt(&self, f: &mut Formatter) -> fmt::Result {
-        let shortened_desc = &self.description[..MAX_DESC_LEN];
-        write!(f, "{}: {}...", self.title, shortened_desc)
+        match self.description.len() {
+            0 => write!(f, "{}", self.title),
+            1..=MAX_DESC_LEN => write!(f, "{}: {}...", self.title, self.description),
+            _ => {
+                let shortened_desc = &self.description[..MAX_DESC_LEN];
+                write!(f, "{}: {}...", self.title, shortened_desc)
+            }
+        }
     }
 }