Add the missing config file

1 files changed, 28 insertions, 0 deletions

diff --git a/src/config.rs b/src/config.rs
new file mode 100644
index 0000000..7280aed
--- /dev/null
+++ b/src/config.rs
@@ -0,0 +1,28 @@
+use std::fs::File;
+use std::io::Read;
+use dirs;
+use toml;
+
+use errors::ConfigError;
+
+const CONFIG_NAME: &str = "almanac.toml";
+
+#[derive(Deserialize)]
+pub struct Config {
+    pub cals: Vec<String>,
+}
+
+impl Config {
+    pub fn parse() -> Result<Config, ConfigError> {
+        let config_path = match dirs::config_dir() {
+            Some(path) => path,
+            None => return Err(ConfigError::MissingPath),
+        }.join(CONFIG_NAME);
+
+        let mut file = File::open(&config_path)?;
+        let mut toml_str = String::new();
+        file.read_to_string(&mut toml_str)?;
+
+        Ok(toml::from_str(&toml_str)?)
+    }
+}