/**
* DeleteView Handler - Delete ABAP View
*
* Uses AdtClient.deleteView 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: 'DeleteViewLow',
description:
'[low-level] Delete an ABAP view from the SAP system via ADT deletion API. Transport request optional for $TMP objects.',
inputSchema: {
type: 'object',
properties: {
view_name: {
type: 'string',
description: 'View name (e.g., Z_MY_PROGRAM).',
},
transport_request: {
type: 'string',
description:
'Transport request number (e.g., E19K905635). Required for transportable objects. Optional for local objects ($TMP).',
},
},
required: ['view_name'],
},
} as const;
interface DeleteViewArgs {
view_name: string;
transport_request?: string;
}
/**
* Main handler for DeleteView MCP tool
*
* Uses AdtClient.deleteView - low-level single method call
*/
export async function handleDeleteView(
context: HandlerContext,
args: DeleteViewArgs,
) {
const { connection, logger } = context;
try {
const { view_name, transport_request } = args as DeleteViewArgs;
// Validation
if (!view_name) {
return return_error(new Error('view_name is required'));
}
const client = new AdtClient(connection);
const viewName = view_name.toUpperCase();
logger?.info(`Starting view deletion: ${viewName}`);
try {
// Delete view
const deleteState = await client.getView().delete({
viewName: viewName,
transportRequest: transport_request,
});
const deleteResult = deleteState.deleteResult;
if (!deleteResult) {
throw new Error(
`Delete did not return a response for view ${viewName}`,
);
}
logger?.info(`✅ DeleteView completed successfully: ${viewName}`);
return return_response({
data: JSON.stringify(
{
success: true,
view_name: viewName,
transport_request: transport_request || null,
message: `View ${viewName} deleted successfully.`,
},
null,
2,
),
} as AxiosResponse);
} catch (error: any) {
logger?.error(
`Error deleting view ${viewName}: ${error?.message || error}`,
);
// Parse error message
let errorMessage = `Failed to delete view: ${error.message || String(error)}`;
if (error.response?.status === 404) {
errorMessage = `View ${viewName} not found. It may already be deleted.`;
} else if (error.response?.status === 423) {
errorMessage = `View ${viewName} 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);
}
}
