From 4bc721c3bf7589b519c5730d093f704ce56e3f09 Mon Sep 17 00:00:00 2001
From: tanaka takashi <isazaka@gmail.com>
Date: Mon, 29 Jun 2026 21:43:54 +0900
Subject: refactor: MCP層をmcpc APIベースに刷新
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- 独自JSON-RPC処理をmcpcへ置き換え
- 各MCPツールを個別ソースへ分離
- 共通コンテキストと登録処理を整理
- mcpc互換修正と統合テストを更新
---
 src/mcp/tools/delete_message.c | 50 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)
 create mode 100644 src/mcp/tools/delete_message.c

(limited to 'src/mcp/tools/delete_message.c')

diff --git a/src/mcp/tools/delete_message.c b/src/mcp/tools/delete_message.c
new file mode 100644
index 0000000..ae924d7
--- /dev/null
+++ b/src/mcp/tools/delete_message.c
@@ -0,0 +1,50 @@
+#include "mcp/tools/common/registry.h"
+
+#include "mcp/tools/common/common.h"
+#include "mcp/tools/common/context.h"
+
+#include <stdlib.h>
+
+#include "base/allocator.h"
+
+static void
+call_delete_message(const mcpc_tool_t *tool, mcpc_ucbr_t *result)
+{
+  tiny_mcp_tools_context_t *context = tiny_mcp_tools_context_current();
+  char *message_id = tiny_mcp_tool_get_string(tool, "message_id", TINY_MESSAGE_ID_LENGTH);
+  char *session = tiny_mcp_tool_get_string(tool, "session_id", TINY_SESSION_ID_MAX);
+  tiny_store_status_t status;
+  if (!context || !message_id || !session || !tiny_message_id_valid(message_id))
+    {
+      tiny_mcp_tool_add_error(
+          result, "VALIDATION_ERROR", "message_id must be a canonical 26-character ULID");
+    }
+  else
+    {
+      status = tiny_store_delete(context->store, message_id, session[0] ? session : NULL);
+      if (status != TINY_STORE_OK && status != TINY_STORE_NOT_FOUND)
+        {
+          tiny_mcp_tool_add_error(
+              result, tiny_store_status_name(status), "delete record was not written");
+        }
+      else
+        {
+          mcpc_toolcall_result_add_text_printf8(
+              result,
+              (const char8_t *)(status == TINY_STORE_OK ? "{\"status\":\"OK\"}"
+                                                        : "{\"status\":\"NOT_FOUND\"}"));
+        }
+    }
+  free(message_id);
+  free(session);
+}
+
+bool
+tiny_mcp_register_delete_message(mcpc_server_t *server)
+{
+  mcpc_tool_t *tool = tiny_mcp_tool_new("delete_message", "Delete a message", call_delete_message);
+  return tool && tiny_mcp_tool_add_property(tool, "message_id", "Message ULID", MCPC_U8STR)
+         && tiny_mcp_tool_add_property(
+             tool, "session_id", "Session ID; empty if omitted", MCPC_U8STR)
+         && mcpc_server_add_tool(server, tool) == MCPC_EC_0;
+}
-- 
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