From 94bf54d85a7801122cc819d07166bb17f927e5c8 Mon Sep 17 00:00:00 2001
From: Drew Short <warrick@sothr.com>
Date: Mon, 25 May 2020 19:44:59 -0500
Subject: [PATCH] Check path before loading

---
 src/config.rs | 14 ++++++++++----
 src/state.rs  | 12 ++++++++----
 2 files changed, 18 insertions(+), 8 deletions(-)

diff --git a/src/config.rs b/src/config.rs
index a2f0af7..431ac91 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -20,10 +20,16 @@ pub struct ConfigManager {
 }
 
 fn read_config<P: AsRef<Path>>(path: P) -> Result<Config, Box<dyn Error>> {
-    let file = File::open(path)?;
-    let reader = BufReader::new(file);
-    let result: Config = from_reader(reader)?;
-    Ok(result)
+    if path.as_ref().exists() {
+        let file = File::open(path)?;
+        let reader = BufReader::new(file);
+        let result: Config = from_reader(reader)?;
+        Ok(result)
+    } else {
+        Ok(Config {
+            save_directory: Some(String::from("tmp")),
+        })
+    }
 }
 
 impl ConfigManager {
diff --git a/src/state.rs b/src/state.rs
index 5e1623d..ef78b6b 100644
--- a/src/state.rs
+++ b/src/state.rs
@@ -21,10 +21,14 @@ pub struct StateManager {
 }
 
 fn read_state<P: AsRef<Path>>(path: P) -> Result<State, Box<dyn Error>> {
-    let file = File::open(path)?;
-    let reader = BufReader::new(file);
-    let result: State = from_reader(reader)?;
-    Ok(result)
+    if path.as_ref().exists() {
+        let file = File::open(path)?;
+        let reader = BufReader::new(file);
+        let result: State = from_reader(reader)?;
+        Ok(result)
+    } else {
+        Ok(State { downloaded: vec![] })
+    }
 }
 
 fn save_state<P: AsRef<Path>>(path: P, state: &State) -> serde_json::Result<()> {