1 files changed, 37 insertions, 0 deletions
diff --git a/src/routes.rs b/src/routes.rs
new file mode 100644
index 0000000..9a1e401
--- /dev/null
+++ b/src/routes.rs
@@ -0,0 +1,37 @@
+use anyhow::anyhow;
+use anyhow::Result;
+use is_executable::is_executable;
+use std::fs::DirEntry;
+use std::fs::metadata;
+use std::{fs::read_dir, path::PathBuf};
+
+pub fn read_routes(path: &PathBuf) -> Result<Vec<String>> {
+    read_routes_with_prefix(path, "/")
+}
+
+fn read_routes_with_prefix(path: &PathBuf, prefix: &str) -> Result<Vec<String>> {
+    Ok(
+        read_dir(path)?
+            .map(|entry| read_entry_with_prefix(&entry?, path, prefix))
+            .flatten().flatten().collect())
+}
+
+fn read_entry_with_prefix(entry: &DirEntry, dir_path: &PathBuf, prefix: &str) -> Result<Vec<String>> {
+    let entry_path = entry.path();
+    let metadata = metadata(&entry_path)?;
+    if metadata.is_dir() {
+        let entry_basename = entry_path.file_name()
+            .ok_or(anyhow!("No basename for file: {:?} in directory: {:?}", entry_path, dir_path))?;
+        let result = read_routes_with_prefix(&entry_path, &format!("{prefix}{:?}/", entry_basename));
+        result
+    } else if metadata.is_file() {
+        if !is_executable(entry.path()) {
+            eprintln!("Found {:?} in routes config directory, but cannot configure route as the file is not executable", entry);
+            return Ok(Vec::new());
+        }
+        Ok(vec![format!("{:?}", entry_path)])
+    } else {
+        eprintln!("Found {:?} in routes config directory, but cannot configure route as the file is neither a directory nor an ordinary file", entry);
+        Ok(Vec::new())
+    }
+}