/**
* GetStructure Handler - Read ABAP Structure via AdtClient
*/
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: 'GetStructure',
description:
'Retrieve ABAP structure definition. Supports reading active or inactive version.',
inputSchema: {
type: 'object',
properties: {
structure_name: {
type: 'string',
description: 'Structure name (e.g., Z_MY_STRUCTURE).',
},
version: {
type: 'string',
enum: ['active', 'inactive'],
description:
'Version to read: "active" (default) for deployed version, "inactive" for modified but not activated version.',
default: 'active',
},
},
required: ['structure_name'],
},
} as const;
interface GetStructureArgs {
structure_name: string;
version?: 'active' | 'inactive';
}
export async function handleGetStructure(
context: HandlerContext,
args: GetStructureArgs,
) {
const { connection, logger } = context;
try {
const { structure_name, version = 'active' } = args as GetStructureArgs;
if (!structure_name) {
return return_error(new Error('structure_name is required'));
}
const client = new AdtClient(connection, logger);
const structureName = structure_name.toUpperCase();
logger?.info(`Reading structure ${structureName}, version: ${version}`);
try {
const structureObject = client.getStructure();
const readResult = await structureObject.read(
{ structureName },
version as 'active' | 'inactive',
);
if (!readResult || !readResult.readResult) {
throw new Error(`Structure ${structureName} not found`);
}
const structureData =
typeof readResult.readResult.data === 'string'
? readResult.readResult.data
: JSON.stringify(readResult.readResult.data);
logger?.info(`✅ GetStructure completed successfully: ${structureName}`);
return return_response({
data: JSON.stringify(
{
success: true,
structure_name: structureName,
version,
structure_data: structureData,
status: readResult.readResult.status,
status_text: readResult.readResult.statusText,
},
null,
2,
),
} as AxiosResponse);
} catch (error: any) {
logger?.error(
`Error reading structure ${structureName}: ${error?.message || error}`,
);
let errorMessage = `Failed to read structure: ${error.message || String(error)}`;
if (error.response?.status === 404) {
errorMessage = `Structure ${structureName} not found.`;
} else if (error.response?.status === 423) {
errorMessage = `Structure ${structureName} is locked by another user.`;
}
return return_error(new Error(errorMessage));
}
} catch (error: any) {
return return_error(error);
}
}
