|
11 | 11 |
|
12 | 12 | # Standard library imports |
13 | 13 | import logging |
14 | | -from typing import Optional, List, Tuple |
| 14 | +from typing import List, Optional, Sequence, Tuple |
15 | 15 |
|
16 | 16 | # Third-party imports - Azure AI |
| 17 | +from azure.ai.agents import AgentsClient |
| 18 | +from azure.ai.agents.models import McpTool, ThreadMessage, ToolResources |
17 | 19 | from azure.ai.projects import AIProjectClient |
18 | 20 | from azure.identity import DefaultAzureCredential |
19 | | -from azure.ai.agents.models import McpTool, ToolResources |
20 | 21 | from microsoft_agents.hosting.core import Authorization, TurnContext |
| 22 | + |
| 23 | +from microsoft_agents_a365.runtime import OperationError, OperationResult |
21 | 24 | from microsoft_agents_a365.runtime.utility import Utility |
| 25 | +from microsoft_agents_a365.tooling.models import ChatHistoryMessage, ToolOptions |
22 | 26 | from microsoft_agents_a365.tooling.services.mcp_tool_server_configuration_service import ( |
23 | 27 | McpToolServerConfigurationService, |
24 | 28 | ) |
25 | | -from microsoft_agents_a365.tooling.models import ToolOptions |
26 | 29 | from microsoft_agents_a365.tooling.utils.constants import Constants |
27 | 30 | from microsoft_agents_a365.tooling.utils.utility import get_mcp_platform_authentication_scope |
28 | 31 |
|
@@ -217,3 +220,253 @@ async def _get_mcp_tool_definitions_and_resources( |
217 | 220 | ) |
218 | 221 |
|
219 | 222 | return (tool_definitions, combined_tool_resources) |
| 223 | + |
| 224 | + # ============================================================================ |
| 225 | + # Public Methods - Chat History API |
| 226 | + # ============================================================================ |
| 227 | + |
| 228 | + async def send_chat_history_messages( |
| 229 | + self, |
| 230 | + turn_context: TurnContext, |
| 231 | + messages: Sequence[ThreadMessage], |
| 232 | + tool_options: Optional[ToolOptions] = None, |
| 233 | + ) -> OperationResult: |
| 234 | + """ |
| 235 | + Send Azure AI Foundry chat history messages to the MCP platform. |
| 236 | +
|
| 237 | + This method accepts a sequence of Azure AI Foundry ThreadMessage objects, |
| 238 | + converts them to ChatHistoryMessage format, and sends them to the MCP |
| 239 | + platform for real-time threat protection. |
| 240 | +
|
| 241 | + Args: |
| 242 | + turn_context: TurnContext from the Agents SDK containing conversation info. |
| 243 | + messages: Sequence of Azure AI Foundry ThreadMessage objects to send. |
| 244 | + tool_options: Optional configuration for the request. |
| 245 | +
|
| 246 | + Returns: |
| 247 | + OperationResult indicating success or failure. |
| 248 | +
|
| 249 | + Raises: |
| 250 | + ValueError: If turn_context or messages is None. |
| 251 | +
|
| 252 | + Example: |
| 253 | + >>> service = McpToolRegistrationService() |
| 254 | + >>> messages = await agents_client.messages.list(thread_id=thread_id) |
| 255 | + >>> result = await service.send_chat_history_messages( |
| 256 | + ... turn_context, list(messages) |
| 257 | + ... ) |
| 258 | + >>> if result.succeeded: |
| 259 | + ... print("Chat history sent successfully") |
| 260 | + """ |
| 261 | + # Input validation |
| 262 | + if turn_context is None: |
| 263 | + raise ValueError("turn_context cannot be None") |
| 264 | + if messages is None: |
| 265 | + raise ValueError("messages cannot be None") |
| 266 | + |
| 267 | + self._logger.info(f"Sending {len(messages)} Azure AI Foundry messages as chat history") |
| 268 | + |
| 269 | + # Set default options with orchestrator name |
| 270 | + if tool_options is None: |
| 271 | + tool_options = ToolOptions(orchestrator_name=self._orchestrator_name) |
| 272 | + elif tool_options.orchestrator_name is None: |
| 273 | + tool_options.orchestrator_name = self._orchestrator_name |
| 274 | + |
| 275 | + try: |
| 276 | + # Convert ThreadMessage objects to ChatHistoryMessage format |
| 277 | + chat_history_messages = self._convert_thread_messages_to_chat_history(messages) |
| 278 | + |
| 279 | + self._logger.debug( |
| 280 | + f"Converted {len(chat_history_messages)} messages to ChatHistoryMessage format" |
| 281 | + ) |
| 282 | + |
| 283 | + # Delegate to core service |
| 284 | + result = await self._mcp_server_configuration_service.send_chat_history( |
| 285 | + turn_context=turn_context, |
| 286 | + chat_history_messages=chat_history_messages, |
| 287 | + options=tool_options, |
| 288 | + ) |
| 289 | + |
| 290 | + if result.succeeded: |
| 291 | + self._logger.info( |
| 292 | + f"Chat history sent successfully with {len(chat_history_messages)} messages" |
| 293 | + ) |
| 294 | + else: |
| 295 | + self._logger.error(f"Failed to send chat history: {result}") |
| 296 | + |
| 297 | + return result |
| 298 | + |
| 299 | + except ValueError: |
| 300 | + # Re-raise validation errors from the core service |
| 301 | + raise |
| 302 | + except Exception as ex: |
| 303 | + self._logger.error(f"Failed to send chat history messages: {ex}") |
| 304 | + return OperationResult.failed(OperationError(ex)) |
| 305 | + |
| 306 | + async def send_chat_history( |
| 307 | + self, |
| 308 | + agents_client: AgentsClient, |
| 309 | + thread_id: str, |
| 310 | + turn_context: TurnContext, |
| 311 | + tool_options: Optional[ToolOptions] = None, |
| 312 | + ) -> OperationResult: |
| 313 | + """ |
| 314 | + Retrieve and send chat history from Azure AI Foundry to the MCP platform. |
| 315 | +
|
| 316 | + This method retrieves messages from the Azure AI Foundry Agents API using |
| 317 | + the provided client and thread ID, converts them to ChatHistoryMessage |
| 318 | + format, and sends them to the MCP platform. |
| 319 | +
|
| 320 | + Args: |
| 321 | + agents_client: The Azure AI Foundry AgentsClient instance. |
| 322 | + thread_id: The thread ID containing the messages to send. |
| 323 | + turn_context: TurnContext from the Agents SDK containing conversation info. |
| 324 | + tool_options: Optional configuration for the request. |
| 325 | +
|
| 326 | + Returns: |
| 327 | + OperationResult indicating success or failure. |
| 328 | +
|
| 329 | + Raises: |
| 330 | + ValueError: If agents_client, thread_id, or turn_context is None/empty. |
| 331 | +
|
| 332 | + Example: |
| 333 | + >>> from azure.ai.agents import AgentsClient |
| 334 | + >>> from azure.identity import DefaultAzureCredential |
| 335 | + >>> |
| 336 | + >>> client = AgentsClient(endpoint, credential=DefaultAzureCredential()) |
| 337 | + >>> service = McpToolRegistrationService() |
| 338 | + >>> result = await service.send_chat_history( |
| 339 | + ... client, thread_id, turn_context |
| 340 | + ... ) |
| 341 | + """ |
| 342 | + # Input validation |
| 343 | + if agents_client is None: |
| 344 | + raise ValueError("agents_client cannot be None") |
| 345 | + if thread_id is None or not thread_id.strip(): |
| 346 | + raise ValueError("thread_id cannot be empty") |
| 347 | + if turn_context is None: |
| 348 | + raise ValueError("turn_context cannot be None") |
| 349 | + |
| 350 | + try: |
| 351 | + # Retrieve messages from the thread |
| 352 | + messages: List[ThreadMessage] = [] |
| 353 | + async for message in agents_client.messages.list(thread_id=thread_id): |
| 354 | + messages.append(message) |
| 355 | + |
| 356 | + self._logger.info(f"Retrieved {len(messages)} messages from thread {thread_id}") |
| 357 | + |
| 358 | + # Delegate to send_chat_history_messages |
| 359 | + return await self.send_chat_history_messages( |
| 360 | + turn_context=turn_context, |
| 361 | + messages=messages, |
| 362 | + tool_options=tool_options, |
| 363 | + ) |
| 364 | + |
| 365 | + except ValueError: |
| 366 | + # Re-raise validation errors |
| 367 | + raise |
| 368 | + except Exception as ex: |
| 369 | + self._logger.error(f"Failed to send chat history from thread {thread_id}: {ex}") |
| 370 | + return OperationResult.failed(OperationError(ex)) |
| 371 | + |
| 372 | + # ============================================================================ |
| 373 | + # Private Methods - Message Conversion Helpers |
| 374 | + # ============================================================================ |
| 375 | + |
| 376 | + def _convert_thread_messages_to_chat_history( |
| 377 | + self, |
| 378 | + messages: Sequence[ThreadMessage], |
| 379 | + ) -> List[ChatHistoryMessage]: |
| 380 | + """ |
| 381 | + Convert Azure AI Foundry ThreadMessage objects to ChatHistoryMessage format. |
| 382 | +
|
| 383 | + This internal helper method transforms Azure AI Foundry's native ThreadMessage |
| 384 | + objects into the ChatHistoryMessage format expected by the MCP platform's |
| 385 | + real-time threat protection endpoint. |
| 386 | +
|
| 387 | + Args: |
| 388 | + messages: Sequence of ThreadMessage objects to convert. |
| 389 | +
|
| 390 | + Returns: |
| 391 | + List of ChatHistoryMessage objects ready for the MCP platform. |
| 392 | +
|
| 393 | + Note: |
| 394 | + - Messages with None id, None role, or empty content are filtered out |
| 395 | + - Role is extracted via the .value property of the MessageRole enum |
| 396 | + - Timestamp is taken from message.created_at |
| 397 | + """ |
| 398 | + history_messages: List[ChatHistoryMessage] = [] |
| 399 | + |
| 400 | + for message in messages: |
| 401 | + # Skip None messages |
| 402 | + if message is None: |
| 403 | + self._logger.warning("Skipping null message") |
| 404 | + continue |
| 405 | + |
| 406 | + # Skip messages with None id |
| 407 | + if message.id is None: |
| 408 | + self._logger.warning("Skipping message with null ID") |
| 409 | + continue |
| 410 | + |
| 411 | + # Skip messages with None role |
| 412 | + if message.role is None: |
| 413 | + self._logger.warning(f"Skipping message with null role (ID: {message.id})") |
| 414 | + continue |
| 415 | + |
| 416 | + # Extract content from message |
| 417 | + content = self._extract_content_from_message(message) |
| 418 | + |
| 419 | + # Skip messages with empty content |
| 420 | + if not content or not content.strip(): |
| 421 | + self._logger.warning(f"Skipping message {message.id} with empty content") |
| 422 | + continue |
| 423 | + |
| 424 | + # Convert role enum to lowercase string |
| 425 | + role_value = message.role.value if hasattr(message.role, "value") else str(message.role) |
| 426 | + role = role_value.lower() |
| 427 | + |
| 428 | + # Create ChatHistoryMessage |
| 429 | + history_message = ChatHistoryMessage( |
| 430 | + id=message.id, |
| 431 | + role=role, |
| 432 | + content=content, |
| 433 | + timestamp=message.created_at, |
| 434 | + ) |
| 435 | + history_messages.append(history_message) |
| 436 | + |
| 437 | + self._logger.debug( |
| 438 | + f"Converted message {message.id} with role '{role}' to ChatHistoryMessage" |
| 439 | + ) |
| 440 | + |
| 441 | + if len(history_messages) == 0 and len(messages) > 0: |
| 442 | + self._logger.warning("All messages were filtered out during conversion") |
| 443 | + |
| 444 | + return history_messages |
| 445 | + |
| 446 | + def _extract_content_from_message(self, message: ThreadMessage) -> str: |
| 447 | + """ |
| 448 | + Extract text content from a ThreadMessage's content items. |
| 449 | +
|
| 450 | + This method iterates through the message's content list and extracts |
| 451 | + text from MessageTextContent items, concatenating them with spaces. |
| 452 | +
|
| 453 | + Args: |
| 454 | + message: Azure AI Foundry ThreadMessage object. |
| 455 | +
|
| 456 | + Returns: |
| 457 | + Concatenated text content as string, or empty string if no text found. |
| 458 | + """ |
| 459 | + if message.content is None or len(message.content) == 0: |
| 460 | + return "" |
| 461 | + |
| 462 | + text_parts: List[str] = [] |
| 463 | + |
| 464 | + for content_item in message.content: |
| 465 | + # Check for MessageTextContent by duck typing (has text attribute with value) |
| 466 | + # This handles both real SDK types and mock objects in tests |
| 467 | + if hasattr(content_item, "text") and content_item.text is not None: |
| 468 | + text_value = getattr(content_item.text, "value", None) |
| 469 | + if text_value is not None and text_value: |
| 470 | + text_parts.append(text_value) |
| 471 | + |
| 472 | + return " ".join(text_parts) |
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