impl: refactor config logic to use generic interface

gui/src/imp/mod.rs

@@ -8,6 +8,7 @@ use crate::{app::Command, effects::AudioProcessor};
 use color_eyre::eyre::Error;
 use dioxus::hooks::UnboundedReceiver;
 use mumble_web2_common::{ProxyOverrides, ServerStatus};
+use std::collections::HashMap;
 use std::future::Future;
 use std::time::Duration;
 
@@ -50,11 +51,24 @@ pub trait AudioPlayerInterface {
     fn play_opus(&mut self, payload: &[u8]);
 }
 
+pub trait ConfigSystemInterface: Sized {
+    fn new() -> Result<Self, Error>;
+
+    fn config_get<T>(&self, key: &str) -> Option<T>
+    where
+        T: serde::de::DeserializeOwned;
+
+    fn config_set<T>(&self, key: &str, value: &T)
+    where
+        T: serde::Serialize;
+}
+
 /// This is the main trait that each platform must implement. It combines all
 /// platform-specific functionality into a single interface, providing compile-time
 /// verification that all platforms implement the required functionality.
 pub trait PlatformInterface {
     type AudioSystem: AudioSystemInterface;
+    type ConfigSystem: ConfigSystemInterface;
 
     /// Initialize logging for the platform.
     fn init_logging();
@@ -78,18 +92,6 @@ pub trait PlatformInterface {
     /// Load the proxy overrides (proxy URL, cert hash, etc.).
     fn load_proxy_overrides() -> impl Future<Output = color_eyre::Result<ProxyOverrides>>;
 
-    /// Load saved username.
-    fn load_username() -> Option<String>;
-
-    /// Load saved server URL.
-    fn load_server_url() -> Option<String>;
-
-    /// Save the default username.
-    fn set_default_username(username: &str) -> Option<()>;
-
-    /// Save the default server URL.
-    fn set_default_server(server: &str) -> Option<()>;
-
     /// Async sleep for the given duration.
     fn sleep(duration: Duration) -> impl Future<Output = ()>;
 }
@@ -98,15 +100,21 @@ pub trait PlatformInterface {
 // Platform Modules
 // ============================================================================
 
+mod stub;
+
 #[cfg(any(feature = "desktop", feature = "mobile"))]
 mod connect;
-#[cfg(feature = "desktop")]
-mod desktop;
-#[cfg(feature = "mobile")]
-mod mobile;
 #[cfg(any(feature = "desktop", feature = "mobile"))]
 mod native_audio;
-mod stub;
+#[cfg(any(feature = "desktop", feature = "mobile"))]
+mod native_config;
+
+#[cfg(feature = "desktop")]
+mod desktop;
+
+#[cfg(feature = "mobile")]
+mod mobile;
+
 #[cfg(feature = "web")]
 mod web;
 
@@ -133,6 +141,8 @@ pub type Platform = stub::StubPlatform;
 pub type AudioSystem = <Platform as PlatformInterface>::AudioSystem;
 pub type AudioPlayer = <AudioSystem as AudioSystemInterface>::AudioPlayer;
 
+pub type ConfigSystem = <Platform as PlatformInterface>::ConfigSystem;
+
 // ========================
 // Platform Async Runtime
 // ========================
@@ -164,3 +174,12 @@ const _: () = {
     let _ = assert_platform::<mobile::MobilePlatform>;
     let _ = assert_platform::<stub::StubPlatform>;
 };
+
+fn global_default_config() -> HashMap<String, serde_json::Value> {
+    serde_json::json!({})
+        .as_object()
+        .unwrap()
+        .clone()
+        .into_iter()
+        .collect()
+}