Refactor DashBot

lib/dashbot/models/chat_action.dart

@@ -0,0 +1,47 @@
+import '../constants.dart';
+
+class ChatAction {
+  final String action;
+  final String target;
+  final String field;
+  final String? path;
+  final dynamic value;
+  final ChatActionType actionType; // enum representation
+  final ChatActionTarget targetType; // enum representation
+
+  const ChatAction({
+    required this.action,
+    required this.target,
+    this.field = '', // Default to empty string
+    this.path,
+    this.value,
+    required this.actionType,
+    required this.targetType,
+  });
+
+  factory ChatAction.fromJson(Map<String, dynamic> json) {
+    final actionStr = json['action'] as String? ?? 'other';
+    final targetStr = json['target'] as String? ?? 'httpRequestModel';
+    return ChatAction(
+      action: actionStr,
+      target: targetStr,
+      field: json['field'] as String? ?? '',
+      path: json['path'] as String?,
+      value: json['value'],
+      actionType: chatActionTypeFromString(actionStr),
+      targetType: chatActionTargetFromString(targetStr),
+    );
+  }
+
+  Map<String, dynamic> toJson() {
+    return {
+      'action': action,
+      'target': target,
+      'field': field,
+      'path': path,
+      'value': value,
+      'action_type': actionType.text,
+      'target_type': targetType.name,
+    };
+  }
+}

lib/dashbot/models/chat_attachment.dart

@@ -0,0 +1,19 @@
+import 'package:flutter/services.dart';
+
+class ChatAttachment {
+  final String id;
+  final String name;
+  final String mimeType;
+  final int sizeBytes;
+  final Uint8List data;
+  final DateTime createdAt;
+
+  ChatAttachment({
+    required this.id,
+    required this.name,
+    required this.mimeType,
+    required this.sizeBytes,
+    required this.data,
+    required this.createdAt,
+  });
+}

lib/dashbot/models/chat_message.dart

@@ -0,0 +1,67 @@
+import 'package:flutter/foundation.dart';
+import '../constants.dart';
+import 'chat_action.dart';
+
+class ChatMessage {
+  final String id;
+  final String content;
+  final MessageRole role;
+  final DateTime timestamp;
+  final ChatMessageType? messageType;
+  // Multiple actions support. If provided, UI should render these.
+  final List<ChatAction>? actions;
+
+  const ChatMessage({
+    required this.id,
+    required this.content,
+    required this.role,
+    required this.timestamp,
+    this.messageType,
+    this.actions,
+  });
+
+  ChatMessage copyWith({
+    String? id,
+    String? content,
+    MessageRole? role,
+    DateTime? timestamp,
+    ChatMessageType? messageType,
+    List<ChatAction>? actions,
+  }) {
+    return ChatMessage(
+      id: id ?? this.id,
+      content: content ?? this.content,
+      role: role ?? this.role,
+      timestamp: timestamp ?? this.timestamp,
+      messageType: messageType ?? this.messageType,
+      actions: actions ?? this.actions,
+    );
+  }
+
+  @override
+  String toString() {
+    return 'ChatMessage(id: $id, content: $content, role: $role, timestamp: $timestamp, messageType: $messageType, actions: $actions)';
+  }
+
+  @override
+  bool operator ==(covariant ChatMessage other) {
+    if (identical(this, other)) return true;
+
+    return other.id == id &&
+        other.content == content &&
+        other.role == role &&
+        other.timestamp == timestamp &&
+        other.messageType == messageType &&
+        listEquals(other.actions, actions);
+  }
+
+  @override
+  int get hashCode {
+    return id.hashCode ^
+        content.hashCode ^
+        role.hashCode ^
+        timestamp.hashCode ^
+        messageType.hashCode ^
+        actions.hashCode;
+  }
+}

lib/dashbot/models/chat_response.dart

@@ -0,0 +1,21 @@
+import '../constants.dart';
+
+class ChatResponse {
+  final String content;
+  final ChatMessageType? messageType;
+
+  const ChatResponse({
+    required this.content,
+    this.messageType,
+  });
+
+  ChatResponse copyWith({
+    String? content,
+    ChatMessageType? messageType,
+  }) {
+    return ChatResponse(
+      content: content ?? this.content,
+      messageType: messageType ?? this.messageType,
+    );
+  }
+}

lib/dashbot/models/chat_state.dart

@@ -0,0 +1,35 @@
+import '../error/chat_failure.dart';
+import 'chat_message.dart';
+
+class ChatState {
+  final Map<String, List<ChatMessage>> chatSessions; // requestId -> messages
+  final bool isGenerating;
+  final String currentStreamingResponse;
+  final String? currentRequestId;
+  final ChatFailure? lastError;
+
+  const ChatState({
+    this.chatSessions = const {},
+    this.isGenerating = false,
+    this.currentStreamingResponse = '',
+    this.currentRequestId,
+    this.lastError,
+  });
+
+  ChatState copyWith({
+    Map<String, List<ChatMessage>>? chatSessions,
+    bool? isGenerating,
+    String? currentStreamingResponse,
+    String? currentRequestId,
+    ChatFailure? lastError,
+  }) {
+    return ChatState(
+      chatSessions: chatSessions ?? this.chatSessions,
+      isGenerating: isGenerating ?? this.isGenerating,
+      currentStreamingResponse:
+          currentStreamingResponse ?? this.currentStreamingResponse,
+      currentRequestId: currentRequestId ?? this.currentRequestId,
+      lastError: lastError ?? this.lastError,
+    );
+  }
+}

lib/dashbot/models/dashbot_window_model.dart

@@ -0,0 +1,39 @@
+class DashbotWindowModel {
+  final double width;
+  final double height;
+  final double right;
+  final double bottom;
+  final bool isActive;
+  final bool isPopped;
+  final bool isHidden;
+
+  const DashbotWindowModel({
+    this.width = 400,
+    this.height = 515,
+    this.right = 50,
+    this.bottom = 100,
+    this.isActive = false,
+    this.isPopped = true,
+    this.isHidden = false,
+  });
+
+  DashbotWindowModel copyWith({
+    double? width,
+    double? height,
+    double? right,
+    double? bottom,
+    bool? isActive,
+    bool? isPopped,
+    bool? isHidden,
+  }) {
+    return DashbotWindowModel(
+      width: width ?? this.width,
+      height: height ?? this.height,
+      right: right ?? this.right,
+      bottom: bottom ?? this.bottom,
+      isActive: isActive ?? this.isActive,
+      isPopped: isPopped ?? this.isPopped,
+      isHidden: isHidden ?? this.isHidden,
+    );
+  }
+}

lib/dashbot/models/models.dart

@@ -0,0 +1,6 @@
+export 'chat_action.dart';
+export 'chat_attachment.dart';
+export 'chat_message.dart';
+export 'chat_response.dart';
+export 'chat_state.dart';
+export 'dashbot_window_model.dart';