config file from arg or default location

1 files changed, 30 insertions, 0 deletions

diff --git a/src/config.rs b/src/config.rs
new file mode 100644
index 0000000..518a82a
--- /dev/null
+++ b/src/config.rs
@@ -0,0 +1,30 @@
+use std::{fs::File, io::{Read, read_to_string}, path::Path};
+
+use serde::Deserialize;
+
+#[derive(Deserialize)]
+pub struct Config {
+}
+
+pub const DEFAULT_CONFIG_FILE_LOCATIONS: [&str; 1] = [
+    "/etc/rss-aggregator.toml",
+];
+
+impl Config {
+    pub fn parse_config_file_at_path(path: &str) -> anyhow::Result<Config> {
+        let path = Path::new(path);
+        let file = File::open(&path)?;
+        let contents = read_to_string(file)?;
+        Ok(toml::from_str(&contents)?)
+    }
+
+    pub fn find_config() -> Option<Config> {
+        for path in DEFAULT_CONFIG_FILE_LOCATIONS {
+            match Self::parse_config_file_at_path(path) {
+                Ok(config) => { return Some(config); },
+                Err(_) => {},
+            };
+        };
+        None
+    }
+}