auto create log directory if it's missing, or continue without logging

src/bin/main.rs

@@ -15,6 +15,17 @@ use entity::item::{NewItemEntity, ItemDetail, InventoryItemEntity};
 use entity::item;
 
 fn setup_logger() {
+    match std::fs::create_dir(std::path::Path::new("log")) {
+        Ok(_) => {},
+        Err(e) => match e.kind() {
+            std::io::ErrorKind::AlreadyExists => {},
+            _ => {
+                println!("Error creating log directory. Error: {}", e); // Probably a permission issue
+                return; // Continue without logging into a file
+            },
+        },
+    };
+
     let colors = fern::colors::ColoredLevelConfig::new()
         .error(fern::colors::Color::Red)
         .warn(fern::colors::Color::Yellow)

src/patch_server/src/lib.rs

@@ -217,7 +217,13 @@ impl ServerState for PatchServerState {
 }
 
 fn load_patch_dir(basedir: &str, patchbase: &str, file_ids: &mut HashMap<u32, PatchFile>) -> PatchFileTree {
-    let paths = fs::read_dir(basedir).expect("could not read directory");
+    let paths = match fs::read_dir(basedir) {
+        Ok(d) => d,
+        Err(_) => {
+            fs::create_dir_all(basedir).expect(&format!("Patch directory \"{}\" is missing and could not be created.", basedir));
+            fs::read_dir(basedir).expect(&format!("Patch directory \"{}\" was created but could not be read!", basedir)) // how ??
+        },
+    };
 
     let mut files = Vec::new();
     let mut dirs = Vec::new();