progress

tauri/src/commands/storage.rs

@@ -0,0 +1,46 @@
+//! Keeping the files and the settings.
+//!
+//! For now nothing is written: the files only live as long as the app, and so do the settings.
+//! The file system storage will go here.
+
+use serde::Serialize;
+use tauri::State;
+
+use crate::dto::Outcome;
+use crate::state::AppState;
+
+/// What opening the storage found.
+#[derive(Serialize)]
+pub struct StorageOpened {
+    settings: std::collections::BTreeMap<String, String>,
+    outcome: Outcome,
+}
+
+#[tauri::command(async)]
+pub fn open_storage(state: State<AppState>) -> StorageOpened {
+    StorageOpened {
+        settings: state.settings().clone(),
+        outcome: Outcome::failed_none(),
+    }
+}
+
+/// Resolves when what was changed has been written to the storage.
+#[tauri::command(async)]
+pub fn flush_storage() {}
+
+/// Reads the files again if they were written by someone else.
+#[tauri::command(async)]
+pub fn sync_storage() -> Outcome {
+    Outcome::failed_none()
+}
+
+/// Saves a setting, `value` being its JSON.
+#[tauri::command(async)]
+pub fn set_setting(state: State<AppState>, key: String, value: String) {
+    state.settings().insert(key, value);
+}
+
+#[tauri::command(async)]
+pub fn delete_setting(state: State<AppState>, key: String) {
+    state.settings().remove(&key);
+}