Add log rotation to server & UI improvements (#157)

sync-server/src/config/logging_config.rs

@@ -0,0 +1,34 @@
+use std::time::Duration;
+
+use log::debug;
+use serde::{Deserialize, Serialize};
+
+use crate::consts::{DEFAULT_LOG_DIRECTORY, DEFAULT_LOG_ROTATION_INTERVAL};
+
+#[derive(Debug, Deserialize, Serialize, Clone)]
+pub struct LoggingConfig {
+    #[serde(default = "default_log_directory")]
+    pub log_directory: String,
+
+    #[serde(default = "default_log_rotation", with = "humantime_serde")]
+    pub log_rotation: Duration,
+}
+
+impl Default for LoggingConfig {
+    fn default() -> Self {
+        Self {
+            log_directory: default_log_directory(),
+            log_rotation: default_log_rotation(),
+        }
+    }
+}
+
+fn default_log_directory() -> String {
+    debug!("Using default log directory: {DEFAULT_LOG_DIRECTORY}");
+    DEFAULT_LOG_DIRECTORY.to_owned()
+}
+
+fn default_log_rotation() -> Duration {
+    debug!("Using default log rotation: {DEFAULT_LOG_ROTATION_INTERVAL:?}");
+    DEFAULT_LOG_ROTATION_INTERVAL
+}