/**
* LockBehaviorImplementation Handler - Lock ABAP Behavior Implementation Class
*
* Uses AdtClient.lockClass from @mcp-abap-adt/adt-clients (BehaviorImplementation extends ClassBuilder).
* Low-level handler: single method call.
*/
import { AdtClient } from '@mcp-abap-adt/adt-clients';
import type { HandlerContext } from '../../../lib/handlers/interfaces';
import {
type AxiosResponse,
restoreSessionInConnection,
return_error,
return_response,
} from '../../../lib/utils';
export const TOOL_DEFINITION = {
name: 'LockBehaviorImplementationLow',
description:
'[low-level] Lock an ABAP behavior implementation class for modification. Returns lock handle that must be used in subsequent update/unlock operations with the same session_id.',
inputSchema: {
type: 'object',
properties: {
class_name: {
type: 'string',
description:
'Behavior Implementation class name (e.g., ZBP_MY_ENTITY).',
},
session_id: {
type: 'string',
description:
'Session ID from GetSession. If not provided, a new session will be created.',
},
session_state: {
type: 'object',
description:
'Session state from GetSession (cookies, csrf_token, cookie_store). Required if session_id is provided.',
properties: {
cookies: { type: 'string' },
csrf_token: { type: 'string' },
cookie_store: { type: 'object' },
},
},
},
required: ['class_name'],
},
} as const;
interface LockBehaviorImplementationArgs {
class_name: string;
session_id?: string;
session_state?: {
cookies?: string;
csrf_token?: string;
cookie_store?: Record<string, string>;
};
}
/**
* Main handler for LockBehaviorImplementation MCP tool
*
* Uses AdtClient.lockClass - BehaviorImplementation extends ClassBuilder
*/
export async function handleLockBehaviorImplementation(
context: HandlerContext,
args: LockBehaviorImplementationArgs,
) {
const { connection, logger } = context;
try {
const { class_name, session_id, session_state } =
args as LockBehaviorImplementationArgs;
// Validation
if (!class_name) {
return return_error(new Error('class_name is required'));
}
const client = new AdtClient(connection);
// Restore session state if provided
if (session_id && session_state) {
await restoreSessionInConnection(connection, session_id, session_state);
} else {
// Ensure connection is established
}
const className = class_name.toUpperCase();
logger?.info(`Starting behavior implementation lock: ${className}`);
try {
// Lock class (BehaviorImplementation extends ClassBuilder)
const lockHandle = await client.getClass().lock({ className });
if (!lockHandle) {
throw new Error(
`Lock did not return a lock handle for behavior implementation ${className}`,
);
}
// Get updated session state after lock
logger?.info(`✅ LockBehaviorImplementation completed: ${className}`);
logger?.info(` Lock handle: ${lockHandle.substring(0, 20)}...`);
return return_response({
data: JSON.stringify(
{
success: true,
class_name: className,
lock_handle: lockHandle,
session_id: session_id || null,
session_state: null, // Session state management is now handled by auth-broker,
message: `Behavior Implementation ${className} locked successfully. Use lock_handle in subsequent update/unlock operations.`,
},
null,
2,
),
} as AxiosResponse);
} catch (error: any) {
logger?.error(
`Error locking behavior implementation ${className}: ${error?.message || error}`,
);
// Parse error message
let errorMessage = `Failed to lock behavior implementation: ${error.message || String(error)}`;
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);
}
}
