116 lines
3.1 KiB
TypeScript
116 lines
3.1 KiB
TypeScript
import axios from 'axios';
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import type {
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GraphData,
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Node,
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CreateNodeRequest,
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UpdateNodeRequest,
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CreateEdgeRequest,
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DeleteResponse,
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EdgeResponse,
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NeighborResponse,
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SearchResponse,
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SimpleGraphData,
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GraphStats,
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} from '../types/graph';
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import { API_BASE_URL, API_TIMEOUT } from '../config/constants';
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/**
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* API 客户端实例
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* 统一配置了 base URL、超时时间和默认请求头
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*/
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const apiClient = axios.create({
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baseURL: API_BASE_URL,
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timeout: API_TIMEOUT,
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headers: {
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'Content-Type': 'application/json',
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},
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});
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/**
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* 知识图谱 API 服务
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* 提供与后端交互的所有图谱相关接口
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*/
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export const graphApi = {
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/**
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* 获取完整的知识图谱数据
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* @returns 节点和边的集合
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*/
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async getData(): Promise<GraphData> {
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try {
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const response = await apiClient.get<GraphData>('/graph');
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return response.data;
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} catch (error) {
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console.error('Failed to fetch graph data:', error);
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return { nodes: [], edges: [] };
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}
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},
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/**
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* 根据 ID 获取节点详情
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* @param id 节点 ID
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* @returns 节点对象或 null
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*/
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async getNodeById(id: string): Promise<Node | null> {
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try {
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const response = await apiClient.get<Node>(`/nodes/${id}`);
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return response.data;
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} catch (error) {
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console.error('Failed to fetch node:', error);
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return null;
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}
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},
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async createNode(request: CreateNodeRequest): Promise<Node> {
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const response = await apiClient.post<Node>('/nodes', request);
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return response.data;
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},
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async updateNode(id: string, request: UpdateNodeRequest): Promise<Node> {
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const response = await apiClient.put<Node>(`/nodes/${id}`, request);
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return response.data;
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},
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async deleteNode(id: string): Promise<DeleteResponse> {
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const response = await apiClient.delete<DeleteResponse>(`/nodes/${id}`);
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return response.data;
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},
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async getNodeNeighbors(id: string): Promise<NeighborResponse> {
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const response = await apiClient.get<NeighborResponse>(`/nodes/${id}/neighbors`);
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return response.data;
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},
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async createEdge(request: CreateEdgeRequest): Promise<EdgeResponse> {
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const response = await apiClient.post<EdgeResponse>('/edges', request);
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return response.data;
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},
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async deleteEdge(id: string): Promise<DeleteResponse> {
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const response = await apiClient.delete<DeleteResponse>(`/edges/${id}`);
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return response.data;
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},
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async getGraphStats(): Promise<GraphStats> {
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const response = await apiClient.get<GraphStats>('/graph/stats');
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return response.data;
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},
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async getSimpleGraphData(): Promise<SimpleGraphData> {
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const response = await apiClient.get<SimpleGraphData>('/graph/simpleJson');
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return response.data;
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},
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async searchNodes(query: string): Promise<SearchResponse> {
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const response = await apiClient.get<SearchResponse>('/search', {
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params: { q: query },
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});
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return response.data;
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},
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async healthCheck(): Promise<{ status: string }> {
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const response = await apiClient.get<{ status: string }>('/health');
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return response.data;
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},
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};
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export default apiClient; |