외부 db노드 설정

frontend/lib/api/nodeExternalConnections.ts

@@ -0,0 +1,75 @@
+import { apiClient } from "./client";
+
+export interface ExternalConnection {
+  id: number;
+  connection_name: string;
+  description?: string;
+  db_type: string;
+  host: string;
+  port: number;
+  database_name: string;
+}
+
+export interface ExternalTable {
+  table_name: string;
+  table_type?: string;
+  schema?: string;
+}
+
+export interface ExternalColumn {
+  column_name: string;
+  data_type: string;
+  is_nullable?: string;
+  column_default?: string;
+}
+
+/**
+ * 테스트에 성공한 외부 DB 커넥션 목록 조회
+ */
+export async function getTestedExternalConnections(): Promise<ExternalConnection[]> {
+  const response = await apiClient.get<{
+    success: boolean;
+    data: ExternalConnection[];
+    message?: string;
+  }>("/dataflow/node-external-connections/tested");
+
+  if (response.data.success && response.data.data) {
+    return response.data.data;
+  }
+
+  throw new Error(response.data.message || "커넥션 목록을 조회할 수 없습니다.");
+}
+
+/**
+ * 특정 외부 DB의 테이블 목록 조회
+ */
+export async function getExternalTables(connectionId: number): Promise<ExternalTable[]> {
+  const response = await apiClient.get<{
+    success: boolean;
+    data: ExternalTable[];
+    message?: string;
+  }>(`/dataflow/node-external-connections/${connectionId}/tables`);
+
+  if (response.data.success && response.data.data) {
+    return response.data.data;
+  }
+
+  throw new Error(response.data.message || "테이블 목록을 조회할 수 없습니다.");
+}
+
+/**
+ * 특정 외부 DB 테이블의 컬럼 목록 조회
+ */
+export async function getExternalColumns(connectionId: number, tableName: string): Promise<ExternalColumn[]> {
+  const response = await apiClient.get<{
+    success: boolean;
+    data: ExternalColumn[];
+    message?: string;
+  }>(`/dataflow/node-external-connections/${connectionId}/tables/${tableName}/columns`);
+
+  if (response.data.success && response.data.data) {
+    return response.data.data;
+  }
+
+  throw new Error(response.data.message || "컬럼 목록을 조회할 수 없습니다.");
+}