/**
* DeleteFunctionModule Handler - Delete ABAP Function Module
*
* Uses AdtClient.deleteFunctionModule from @mcp-abap-adt/adt-clients.
* Low-level handler: single method call.
*/
import { AdtClient } from '@mcp-abap-adt/adt-clients';
import type { HandlerContext } from '../../../lib/handlers/interfaces';
import {
type AxiosResponse,
return_error,
return_response,
} from '../../../lib/utils';
export const TOOL_DEFINITION = {
name: 'DeleteFunctionModuleLow',
description:
'[low-level] Delete an ABAP function module from the SAP system via ADT deletion API. Transport request optional for $TMP objects.',
inputSchema: {
type: 'object',
properties: {
function_module_name: {
type: 'string',
description: 'Function module name (e.g., Z_MY_FUNCTION).',
},
function_group_name: {
type: 'string',
description: 'Function group name (e.g., ZFG_MY_GROUP).',
},
transport_request: {
type: 'string',
description:
'Transport request number (e.g., E19K905635). Required for transportable objects. Optional for local objects ($TMP).',
},
},
required: ['function_module_name', 'function_group_name'],
},
} as const;
interface DeleteFunctionModuleArgs {
function_module_name: string;
function_group_name: string;
transport_request?: string;
}
/**
* Main handler for DeleteFunctionModule MCP tool
*
* Uses AdtClient.deleteFunctionModule - low-level single method call
*/
export async function handleDeleteFunctionModule(
context: HandlerContext,
args: DeleteFunctionModuleArgs,
) {
const { connection, logger } = context;
try {
const { function_module_name, function_group_name, transport_request } =
args as DeleteFunctionModuleArgs;
// Validation
if (!function_module_name || !function_group_name) {
return return_error(
new Error('function_module_name and function_group_name are required'),
);
}
const client = new AdtClient(connection);
const functionModuleName = function_module_name.toUpperCase();
const functionGroupName = function_group_name.toUpperCase();
logger?.info(
`Starting function module deletion: ${functionModuleName} in ${functionGroupName}`,
);
try {
// Delete function module
const deleteState = await client.getFunctionModule().delete({
functionModuleName: functionModuleName,
functionGroupName: functionGroupName,
transportRequest: transport_request,
});
const deleteResult = deleteState.deleteResult;
if (!deleteResult) {
throw new Error(
`Delete did not return a response for function module ${functionModuleName}`,
);
}
logger?.info(
`✅ DeleteFunctionModule completed successfully: ${functionModuleName}`,
);
return return_response({
data: JSON.stringify(
{
success: true,
function_module_name: functionModuleName,
function_group_name: functionGroupName,
transport_request: transport_request || null,
message: `Function module ${functionModuleName} deleted successfully.`,
},
null,
2,
),
} as AxiosResponse);
} catch (error: any) {
logger?.error(
`Error deleting function module ${functionModuleName}: ${error?.message || error}`,
);
// Parse error message
let errorMessage = `Failed to delete function module: ${error.message || String(error)}`;
if (error.response?.status === 404) {
errorMessage = `Function module ${functionModuleName} not found. It may already be deleted.`;
} else if (error.response?.status === 423) {
errorMessage = `Function module ${functionModuleName} is locked by another user. Cannot delete.`;
} else if (error.response?.status === 400) {
errorMessage = `Bad request. Check if transport request is required and valid.`;
} else if (
error.response?.data &&
typeof error.response.data === 'string'
) {
try {
const { XMLParser } = require('fast-xml-parser');
const parser = new XMLParser({
ignoreAttributes: false,
attributeNamePrefix: '@_',
});
const errorData = parser.parse(error.response.data);
const errorMsg =
errorData['exc:exception']?.message?.['#text'] ||
errorData['exc:exception']?.message;
if (errorMsg) {
errorMessage = `SAP Error: ${errorMsg}`;
}
} catch (_parseError) {
// Ignore parse errors
}
}
return return_error(new Error(errorMessage));
}
} catch (error: any) {
return return_error(error);
}
}
