import { AdtClient } from '@mcp-abap-adt/adt-clients';
import * as z from 'zod';
import type { HandlerContext } from '../../../lib/handlers/interfaces';
import { ErrorCode, McpError } from '../../../lib/utils';
export const TOOL_DEFINITION = {
name: 'GetFunction',
description: '[read-only] Retrieve ABAP Function Module source code.',
inputSchema: {
function_name: z.string().describe('Name of the function module'),
function_group: z
.string()
.optional()
.describe('Name of the function group (optional)'),
version: z
.enum(['active', 'inactive'])
.default('active')
.describe('Version to read'),
},
} as const;
export async function handleGetFunction(context: HandlerContext, args: any) {
const { connection, logger } = context;
try {
if (!args?.function_name) {
throw new McpError(ErrorCode.InvalidParams, 'Function name is required');
}
logger?.info(
`Reading function module ${args.function_name}, version: ${args.version || 'active'}`,
);
// Create client
const client = new AdtClient(connection);
const result = await client
.getFunctionModule()
.read(
{ functionModuleName: args.function_name },
args.version || 'active',
);
logger?.debug(`Successfully read function module ${args.function_name}`);
return {
isError: false,
content: [{ type: 'json', json: result }],
};
} catch (error) {
logger?.error(
`Failed to read function module ${args?.function_name || ''}`,
error as any,
);
return {
isError: true,
content: [
{
type: 'text',
text: error instanceof Error ? error.message : String(error),
},
],
};
}
}
