/**
* @fileoverview Handles registration for the git working directory resource.
* @module src/mcp-server/resources/gitWorkingDir/registration
*/
import {
McpServer,
ResourceTemplate,
} from "@modelcontextprotocol/sdk/server/mcp.js";
import { BaseErrorCode } from "../../../types-global/errors.js";
import {
ErrorHandler,
logger,
requestContextService,
} from "../../../utils/index.js";
import { GetSessionIdFn } from "../../tools/gitAdd/registration.js";
import { getGitWorkingDirLogic, GetWorkingDirectoryFn } from "./logic.js";
const RESOURCE_URI = "git://working-directory";
const RESOURCE_NAME = "git_working_directory";
const RESOURCE_DESCRIPTION =
"A resource that returns the currently configured working directory for the Git session as a JSON object. Returns 'NOT_SET' if no directory is configured.";
/**
* Registers the Git Working Directory resource with the MCP server instance.
* @param server The MCP server instance.
* @param getWorkingDirectory Function to get the session's working directory.
* @param getSessionId Function to get the session ID from context.
*/
export const registerGitWorkingDirResource = async (
server: McpServer,
getWorkingDirectory: GetWorkingDirectoryFn,
getSessionId: GetSessionIdFn,
): Promise<void> => {
const operation = "registerGitWorkingDirResource";
const context = requestContextService.createRequestContext({ operation });
await ErrorHandler.tryCatch(
async () => {
const template = new ResourceTemplate(RESOURCE_URI, {
list: async () => ({ resources: [] }),
});
server.resource(
RESOURCE_NAME,
template,
{
name: "Current Git Working Directory",
description: RESOURCE_DESCRIPTION,
mimeType: "application/json",
},
async (uri: URL, params: Record<string, unknown>) => {
const handlerContext = requestContextService.createRequestContext({
parentRequestId: context.requestId,
operation: "HandleResourceRead",
resourceUri: uri.href,
inputParams: params,
});
try {
const sessionId = getSessionId(handlerContext);
const workingDir = getGitWorkingDirLogic(
handlerContext,
getWorkingDirectory,
sessionId,
);
const responseData = { workingDirectory: workingDir };
return {
contents: [
{
uri: uri.href,
text: JSON.stringify(responseData),
mimeType: "application/json",
},
],
};
} catch (error) {
throw ErrorHandler.handleError(error, {
operation: "gitWorkingDirReadHandler",
context: handlerContext,
input: { uri: uri.href, params },
});
}
},
);
logger.info(
`Resource '${RESOURCE_NAME}' registered successfully.`,
context,
);
},
{
operation: `RegisteringResource_${RESOURCE_NAME}`,
context: context,
errorCode: BaseErrorCode.INITIALIZATION_FAILED,
critical: true,
},
);
};
