restructure

linux/src/state/ErrorType.vala

@@ -0,0 +1,34 @@
+/*
+ * ErrorType.vala
+ * 
+ * Error types for state management
+ */
+
+namespace RSSuper {
+
+    /**
+     * ErrorType - Category of errors
+     */
+    public enum ErrorType {
+        NETWORK,
+        DATABASE,
+        PARSING,
+        AUTH,
+        UNKNOWN
+    }
+
+    /**
+     * ErrorDetails - Detailed error information
+     */
+    public class ErrorDetails : Object {
+        public ErrorType type { get; set; }
+        public string message { get; set; }
+        public bool retryable { get; set; }
+
+        public ErrorDetails(ErrorType type, string message, bool retryable = false) {
+            this.type = type;
+            this.message = message;
+            this.retryable = retryable;
+        }
+    }
+}

linux/src/state/State.vala

@@ -0,0 +1,110 @@
+/*
+ * State.vala
+ * 
+ * Reactive state management using GObject signals
+ */
+
+namespace RSSuper {
+
+    /**
+     * State - Enumerated state for reactive state management
+     */
+    public enum State {
+        IDLE,
+        LOADING,
+        SUCCESS,
+        ERROR
+    }
+
+    /**
+     * State<T> - Generic state container with signals
+     */
+    public class State<T> : Object {
+        private State _state;
+        private T? _data;
+        private string? _message;
+        private Error? _error;
+
+        public State() {
+            _state = State.IDLE;
+        }
+
+        public State.idle() {
+            _state = State.IDLE;
+        }
+
+        public State.loading() {
+            _state = State.LOADING;
+        }
+
+        public State.success(T data) {
+            _state = State.SUCCESS;
+            _data = data;
+        }
+
+        public State.error(string message, Error? error = null) {
+            _state = State.ERROR;
+            _message = message;
+            _error = error;
+        }
+
+        public State get_state() {
+            return _state;
+        }
+
+        public T? get_data() {
+            return _data;
+        }
+
+        public string? get_message() {
+            return _message;
+        }
+
+        public Error? get_error() {
+            return _error;
+        }
+
+        public bool is_idle() {
+            return _state == State.IDLE;
+        }
+
+        public bool is_loading() {
+            return _state == State.LOADING;
+        }
+
+        public bool is_success() {
+            return _state == State.SUCCESS;
+        }
+
+        public bool is_error() {
+            return _state == State.ERROR;
+        }
+
+        public void set_idle() {
+            _state = State.IDLE;
+            _data = null;
+            _message = null;
+            _error = null;
+        }
+
+        public void set_loading() {
+            _state = State.LOADING;
+            _data = null;
+            _message = null;
+            _error = null;
+        }
+
+        public void set_success(T data) {
+            _state = State.SUCCESS;
+            _data = data;
+            _message = null;
+            _error = null;
+        }
+
+        public void set_error(string message, Error? error = null) {
+            _state = State.ERROR;
+            _message = message;
+            _error = error;
+        }
+    }
+}