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315 lines (281 loc) · 8.83 KB
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import * as z from 'zod';
/**
* 서비스 레지스트리
*
* 서비스 프로바이더를 등록하고 MCP 서버에 도구를 연결합니다.
*/
import { diagnosticEvent } from '../utils/diagnostics.js';
import type { McpServer } from '@modelcontextprotocol/sdk/server/mcp.js';
import type { ServiceProvider, ServiceFactory } from './interfaces.js';
import type { ServiceInfo, ToolRegistration } from './types.js';
import { getErrorMessage, ServiceError, toServiceErrorDiagnostics } from './errors.js';
import { createToolOutputSchema } from './outputSchema.js';
function parseJsonText(text: string): Record<string, unknown> | null {
try {
const parsed = JSON.parse(text) as unknown;
if (parsed && typeof parsed === 'object' && !Array.isArray(parsed)) {
return parsed as Record<string, unknown>;
}
} catch {
return null;
}
return null;
}
function firstString(...values: unknown[]): string | null {
for (const value of values) {
if (typeof value === 'string' && value.trim().length > 0) {
return value.trim();
}
}
return null;
}
function firstNumber(...values: unknown[]): number | null {
for (const value of values) {
if (typeof value === 'number' && Number.isFinite(value)) {
return value;
}
if (typeof value === 'string') {
const parsed = Number.parseFloat(value.replace(/km$/i, ''));
if (Number.isFinite(parsed)) {
return value.trim().toLowerCase().endsWith('km') ? Math.round(parsed * 1000) : parsed;
}
}
}
return null;
}
function normalizeProducts(products: unknown[]): Array<Record<string, unknown>> {
return products
.filter(
(item): item is Record<string, unknown> =>
Boolean(item) && typeof item === 'object' && !Array.isArray(item),
)
.map((item) => ({
code: firstString(item.itemCode, item.productCode, item.pluCd, item.id, item.productNo),
name: firstString(
item.itemName,
item.shortItemName,
item.goodsName,
item.productName,
item.movieName,
item.name,
),
price: firstNumber(
item.viewPrice,
item.salePrice,
item.sellPrice,
item.price,
item.originPrice,
item.searchItemSellPrice,
),
imageUrl: firstString(item.imageUrl),
raw: item,
}));
}
function normalizeStores(stores: unknown[]): Array<Record<string, unknown>> {
return stores
.filter(
(item): item is Record<string, unknown> =>
Boolean(item) && typeof item === 'object' && !Array.isArray(item),
)
.map((item) => ({
code: firstString(item.storeCode, item.code, item.id),
name: firstString(item.storeName, item.name, item.theaterName),
address: firstString(item.address, item.storeAddress),
distanceMeters: firstNumber(item.distanceM, item.distanceMeters, item.distance),
raw: item,
}));
}
function withStandardCollections(payload: Record<string, unknown>): Record<string, unknown> {
const standard: Record<string, unknown&g
8000
t; = {};
if (Array.isArray(payload.products)) {
standard.products = normalizeProducts(payload.products);
}
if (Array.isArray(payload.stores)) {
standard.stores = normalizeStores(payload.stores);
}
if (Array.isArray(payload.places)) {
standard.places = normalizeStores(payload.places);
}
if (Array.isArray(payload.theaters)) {
standard.theaters = normalizeStores(payload.theaters);
}
if (Array.isArray(payload.movies)) {
standard.movies = normalizeProducts(payload.movies);
}
if (Object.keys(standard).length === 0) {
return payload;
}
return {
...payload,
standard,
};
}
function buildStructuredContent(result: {
content: Array<{ text: string }>;
structuredContent?: Record<string, unknown>;
}) {
if (result.structuredContent) {
return withStandardCollections(result.structuredContent);
}
const text = result.content[0]?.text || '';
const parsed = parseJsonText(text);
if (parsed) {
return withStandardCollections(parsed);
}
return { text };
}
/**
* 서비스 레지스트리 클래스
*
* 여러 서비스 프로바이더를 관리하고 MCP 서버에 등록합니다.
*
* @example
* ```typescript
* const registry = new ServiceRegistry();
* registry.register(createDaisoService);
* registry.register(createCuService);
* await registry.applyToServer(mcpServer);
* ```
*/
export class ServiceRegistry {
private services: Map<string, ServiceProvider> = new Map();
/**
* 서비스 팩토리 등록
* @param factory 서비스 인스턴스를 생성하는 팩토리 함수
*/
register(factory: ServiceFactory): void {
const service = factory();
const { id } = service.metadata;
if (this.services.has(id)) {
throw new Error(`서비스 '${id}'가 이미 등록되어 있습니다.`);
}
this.services.set(id, service);
}
/**
* 여러 서비스 팩토리를 한 번에 등록
* @param factories 서비스 팩토리 함수 배열
*/
registerAll(factories: ServiceFactory[]): void {
for (const factory of factories) {
this.register(factory);
}
}
/**
* 모든 서비스 초기화
*/
async initializeAll(): Promise<void> {
const initPromises = Array.from(this.services.values())
.filter((service) => service.initialize)
.map((service) => service.initialize!());
await Promise.all(initPromises);
}
/**
* 모든 서비스 정리
*/
async cleanupAll(): Promise<void> {
const cleanupPromises = Array.from(this.services.values())
.filter((service) => service.cleanup)
.map((service) => service.cleanup!());
await Promise.all(cleanupPromises);
}
/**
* 모든 도구를 MCP 서버에 등록
* @param server MCP 서버 인스턴스
*/
applyToServer(server: McpServer, registrations?: ToolRegistration[]): void {
if (registrations) {
for (const tool of registrations) this.registerTool(server, tool);
return;
}
for (const service of this.services.values()) {
const tools = service.getTools();
for (const tool of tools) {
this.registerTool(server, tool);
}
}
}
/**
* 단일 도구를 MCP 서버에 등록
*/
private registerTool(server: McpServer, tool: ToolRegistration): void {
const metadata = {
...tool.metadata,
inputSchema: tool.strictInput ? z.object(tool.metadata.inputSchema).strict() : tool.metadata.inputSchema,
outputSchema: createToolOutputSchema(tool.name, tool.metadata.outputSchema),
};
server.registerTool(tool.name, metadata as never, async (args) => {
const started = Date.now();
let result: Awaited<ReturnType<ToolRegistration['handler']>>;
try {
result = await tool.handler(args);
} catch (error) {
diagnosticEvent({ stage: 'tool', operation: tool.name, outcome: 'error', durationMs: Date.now() - started });
const message = error instanceof ServiceError
? JSON.stringify({
error: { code: error.code, message: error.message },
diagnostics: toServiceErrorDiagnostics(error, tool.name.replace(/^[^_]+_/, '')),
})
: getErrorMessage(error);
return {
isError: true,
content: [{ type: 'text' as const, text: message }],
};
}
diagnosticEvent({ stage: 'tool', operation: tool.name, outcome: result.isError ? 'error' : 'ok', durationMs: Date.now() - started });
const content = result.content.map((item) => ({
type: item.type as 'text',
text: item.text,
}));
if (result.isError) {
return {
isError: true,
...(result._meta ? { _meta: result._meta } : {}),
content,
};
}
return {
content,
...(result._meta ? { _meta: result._meta } : {}),
structuredContent: buildStructuredContent(result),
};
});
}
/**
* 등록된 서비스 정보 목록 반환
* API 응답용으로 사용됩니다.
*/
getServicesInfo(): ServiceInfo[] {
return Array.from(this.services.values()).map((service) => ({
id: service.metadata.id,
name: service.metadata.name,
version: service.metadata.version,
description: service.metadata.description,
tools: service.getTools().map((tool) => tool.name),
}));
}
/**
* 등록된 모든 도구 이름 반환
*/
getAllTools(): ToolRegistration[] {
return Array.from(this.services.values()).flatMap(service => service.getTools());
}
getAllToolNames(): string[] {
const toolNames: string[] = [];
for (const service of this.services.values()) {
toolNames.push(...service.getTools().map((tool) => tool.name));
}
return toolNames;
}
/**
* 서비스 개수 반환
*/
get size(): number {
return this.services.size;
}
/**
* 특정 서비스 조회
*/
getService(id: string): ServiceProvider | undefined {
return this.services.get(id);
}
}