Implement chat server auth, models, handlers, and docs context

lib/src/handlers/message_handlers.dart

@@ -3,6 +3,7 @@ import 'package:chat_server/objectbox.g.dart';
 import 'package:relic/relic.dart';
 
 import '../auth/auth_middleware.dart';
+import '../state/app_state.dart';
 import '../utils/extensions.dart';
 
 /// Get messages for a channel
@@ -36,11 +37,12 @@ Future<Response> getMessagesHandler(Request req) async {
 
   // Get messages
   final query = messageBox
-      .query(Message_.channelId.equals(channelId))
-      .order(Message_.createdAt, flags: Order.descending)
+      .query(ChatMessage_.channelId.equals(channelId))
+      .order(ChatMessage_.createdAt, flags: Order.descending)
       .build();
 
-  final messages = query.find(limit: limit);
+  query.limit = limit;
+  final messages = query.find();
   query.close();
 
   return Response.ok(
@@ -99,7 +101,7 @@ Future<Response> sendMessageHandler(Request req) async {
   }
 
   // Get user info for caching
-  final userQuery = userBox.query(User_.userId.equals(userId)).build();
+  final userQuery = userBox.query(ChatUser_.userId.equals(userId)).build();
   final user = userQuery.findFirst();
   userQuery.close();
 
@@ -110,7 +112,7 @@ Future<Response> sendMessageHandler(Request req) async {
   }
 
   // Create message with cached author info
-  final message = Message(
+  final message = ChatMessage(
     channelId: channelId,
     authorLocalId: user.id,
     authorUserId: user.userId,
@@ -136,7 +138,7 @@ Future<Response> sendMessageHandler(Request req) async {
 }
 
 /// Edit a message
-Future<Response> editMessageHandler(Request req, String messageIdStr) async {
+Future<Response> editMessageHandler(Request req) async {
   final userId = userIdProperty[req];
 
   if (userId == null) {
@@ -145,6 +147,13 @@ Future<Response> editMessageHandler(Request req, String messageIdStr) async {
     );
   }
 
+  final messageIdStr = req.rawPathParameters[#messageId];
+  if (messageIdStr == null) {
+    return Response.badRequest(
+      body: Body.fromString('Invalid message ID'),
+    );
+  }
+
   final messageId = int.tryParse(messageIdStr);
   if (messageId == null) {
     return Response.badRequest(
@@ -160,7 +169,7 @@ Future<Response> editMessageHandler(Request req, String messageIdStr) async {
   }
 
   // Get user to verify ownership
-  final userQuery = userBox.query(User_.userId.equals(userId)).build();
+  final userQuery = userBox.query(ChatUser_.userId.equals(userId)).build();
   final user = userQuery.findFirst();
   userQuery.close();
 
@@ -193,7 +202,7 @@ Future<Response> editMessageHandler(Request req, String messageIdStr) async {
 }
 
 /// Delete a message
-Future<Response> deleteMessageHandler(Request req, String messageIdStr) async {
+Future<Response> deleteMessageHandler(Request req) async {
   final userId = userIdProperty[req];
 
   if (userId == null) {
@@ -202,6 +211,13 @@ Future<Response> deleteMessageHandler(Request req, String messageIdStr) async {
     );
   }
 
+  final messageIdStr = req.rawPathParameters[#messageId];
+  if (messageIdStr == null) {
+    return Response.badRequest(
+      body: Body.fromString('Invalid message ID'),
+    );
+  }
+
   final messageId = int.tryParse(messageIdStr);
   if (messageId == null) {
     return Response.badRequest(
@@ -217,7 +233,7 @@ Future<Response> deleteMessageHandler(Request req, String messageIdStr) async {
   }
 
   // Get user to verify ownership
-  final userQuery = userBox.query(User_.userId.equals(userId)).build();
+  final userQuery = userBox.query(ChatUser_.userId.equals(userId)).build();
   final user = userQuery.findFirst();
   userQuery.close();