Pabal MCP

import { AppError } from "@/packages/common/errors/app-error"; import { ERROR_CODES } from "@/packages/common/errors/error-codes"; import { HTTP_STATUS } from "@/packages/common/errors/status-codes"; import { loadConfig } from "@/packages/configs/secrets-config/config"; import { GooglePlayClient } from "@/packages/stores/play-store/client"; import { failure, isNonEmptyString, success } from "./client-factory-helpers"; import type { ClientFactoryResult } from "./types"; /** * Result type for Google Play client creation */ export type GooglePlayClientResult = ClientFactoryResult<GooglePlayClient>; /** * Configuration for Google Play client creation */ export interface GooglePlayClientConfig { packageName: string; } /** * Create Google Play client with fresh config loading and Result pattern * * Stateless factory - loads config on every call to ensure MCP works from any directory * * @param config - Package name configuration * @returns Result with client or error message * * @example * const result = createGooglePlayClient({ packageName: "com.example.app" }); * if (result.success) { * const data = await result.client.getApp(); * } else { * console.error(result.error); * } */ export function createGooglePlayClient( config: GooglePlayClientConfig ): GooglePlayClientResult { // Validate input if (!config) { return failure( AppError.badRequest( ERROR_CODES.GOOGLE_PLAY_CLIENT_CONFIG_MISSING, "Google Play client configuration is missing" ) ); } const { packageName } = config; if (!isNonEmptyString(packageName)) { return failure( AppError.validation( ERROR_CODES.GOOGLE_PLAY_PACKAGE_NAME_INVALID, "Package name is required and must be a non-empty string" ) ); } // Load fresh config (stateless - works from any directory) let playStoreConfig; try { const fullConfig = loadConfig(); playStoreConfig = fullConfig.playStore; } catch (error) { return failure( AppError.wrap( error, HTTP_STATUS.INTERNAL_SERVER_ERROR, ERROR_CODES.GOOGLE_PLAY_CONFIG_LOAD_FAILED, "Failed to load Google Play configuration" ) ); } // Validate required credentials if (!playStoreConfig) { return failure( AppError.configMissing( ERROR_CODES.GOOGLE_PLAY_CONFIG_MISSING, "Google Play configuration is missing in config file" ) ); } const { serviceAccountJson } = playStoreConfig; if (!isNonEmptyString(serviceAccountJson)) { return failure( AppError.validation( ERROR_CODES.GOOGLE_PLAY_SERVICE_ACCOUNT_JSON_INVALID, "Google Play service account JSON is required in configuration" ) ); } // Parse and validate service account JSON let serviceAccountKey: Record<string, unknown>; try { const parsed = JSON.parse(serviceAccountJson); if (!parsed || typeof parsed !== "object" || Array.isArray(parsed)) { return failure( AppError.validation( ERROR_CODES.GOOGLE_PLAY_SERVICE_ACCOUNT_JSON_FORMAT_INVALID, "Service account JSON must be a valid JSON object" ) ); } serviceAccountKey = parsed; } catch (error) { return failure( AppError.wrap( error, HTTP_STATUS.UNPROCESSABLE_ENTITY, ERROR_CODES.GOOGLE_PLAY_SERVICE_ACCOUNT_JSON_PARSE_FAILED, "Invalid Google Play service account JSON" ) ); } // Create client try { const client = new GooglePlayClient({ packageName, serviceAccountKey, }); return success(client); } catch (error) { return failure( AppError.wrap( error, HTTP_STATUS.INTERNAL_SERVER_ERROR, ERROR_CODES.GOOGLE_PLAY_CLIENT_CREATE_FAILED, "Failed to create Google Play client" ) ); } }