Add rog-control-center to the workspace

rog-control-center/src/config.rs

@@ -0,0 +1,92 @@
+use std::{
+    fs::{create_dir, OpenOptions},
+    io::{Read, Write},
+};
+
+use serde_derive::{Deserialize, Serialize};
+//use log::{error, info, warn};
+
+use crate::error::Error;
+
+const CFG_DIR: &str = "rog";
+const CFG_FILE_NAME: &str = "app-template.cfg";
+
+#[derive(Debug, Deserialize, Serialize)]
+#[serde(default)]
+pub struct Config {
+    pub run_in_background: bool,
+    pub startup_in_background: bool,
+    pub enable_notifications: bool,
+}
+
+impl Default for Config {
+    fn default() -> Self {
+        Self {
+            run_in_background: true,
+            startup_in_background: false,
+            enable_notifications: true,
+        }
+    }
+}
+
+impl Config {
+    pub fn load() -> Result<Config, Error> {
+        let mut path = if let Some(dir) = dirs::config_dir() {
+            dir
+        } else {
+            return Err(Error::XdgVars);
+        };
+
+        path.push(CFG_DIR);
+        if !path.exists() {
+            create_dir(path.clone())?;
+        }
+
+        path.push(CFG_FILE_NAME);
+
+        let mut file = OpenOptions::new()
+            .read(true)
+            .write(true)
+            .create(true)
+            .open(&path)?;
+
+        let mut buf = String::new();
+
+        if let Ok(read_len) = file.read_to_string(&mut buf) {
+            if read_len == 0 {
+                let default = Config::default();
+                let t = toml::to_string_pretty(&default).unwrap();
+                file.write_all(t.as_bytes())?;
+                return Ok(default);
+            } else if let Ok(data) = toml::from_str::<Config>(&buf) {
+                return Ok(data);
+            }
+        }
+        Err(Error::ConfigLoadFail)
+    }
+
+    pub fn save(&self) -> Result<(), Error> {
+        let mut path = if let Some(dir) = dirs::config_dir() {
+            dir
+        } else {
+            return Err(Error::XdgVars);
+        };
+
+        path.push(CFG_DIR);
+        if !path.exists() {
+            create_dir(path.clone())?;
+        }
+
+        path.push(CFG_FILE_NAME);
+
+        let mut file = OpenOptions::new()
+            .write(true)
+            .create(true)
+            .truncate(true)
+            .open(&path)?;
+
+        let t = toml::to_string_pretty(&self).unwrap();
+        file.write_all(t.as_bytes())?;
+        Ok(())
+    }
+}