326 lines
7.9 KiB
JavaScript
326 lines
7.9 KiB
JavaScript
/**
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* 预测市场服务 - API 版本
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* 调用真实的后端 API，数据存储到 MySQL 数据库
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*/
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import axios from 'axios';
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import { getApiBase } from '@utils/apiConfig';
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const api = axios.create({
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baseURL: getApiBase(),
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timeout: 10000,
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withCredentials: true, // 携带 Cookie（session）
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});
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// ==================== 积分系统 API ====================
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/**
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* 获取用户积分账户
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*/
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export const getUserAccount = async () => {
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try {
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const response = await api.get('/api/prediction/credit/account');
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return response.data;
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} catch (error) {
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console.error('获取积分账户失败:', error);
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throw error;
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}
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};
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/**
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* 领取每日奖励（100积分）
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*/
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export const claimDailyBonus = async () => {
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try {
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const response = await api.post('/api/prediction/credit/daily-bonus');
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return response.data;
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} catch (error) {
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console.error('领取每日奖励失败:', error);
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throw error;
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}
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};
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// ==================== 预测话题 API ====================
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/**
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* 创建预测话题
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* @param {Object} topicData - { title, description, category, deadline }
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*/
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export const createTopic = async (topicData) => {
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try {
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const response = await api.post('/api/prediction/topics', topicData);
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return response.data;
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} catch (error) {
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console.error('创建预测话题失败:', error);
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throw error;
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}
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};
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/**
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* 获取预测话题列表
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* @param {Object} params - { status, category, sort_by, page, per_page }
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*/
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export const getTopics = async (params = {}) => {
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try {
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const response = await api.get('/api/prediction/topics', { params });
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return response.data;
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} catch (error) {
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console.error('获取话题列表失败:', error);
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throw error;
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}
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};
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/**
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* 获取预测话题详情
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* @param {number} topicId
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*/
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export const getTopicDetail = async (topicId) => {
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try {
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const response = await api.get(`/api/prediction/topics/${topicId}`);
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return response.data;
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} catch (error) {
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console.error('获取话题详情失败:', error);
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throw error;
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}
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};
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/**
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* 结算预测话题（仅创建者可操作）
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* @param {number} topicId
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* @param {string} result - 'yes' | 'no' | 'draw'
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*/
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export const settleTopic = async (topicId, result) => {
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try {
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const response = await api.post(`/api/prediction/topics/${topicId}/settle`, { result });
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return response.data;
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} catch (error) {
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console.error('结算话题失败:', error);
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throw error;
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}
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};
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// ==================== 交易 API ====================
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/**
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* 买入预测份额
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* @param {Object} tradeData - { topic_id, direction, shares }
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*/
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export const buyShares = async (tradeData) => {
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try {
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const response = await api.post('/api/prediction/trade/buy', tradeData);
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return response.data;
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} catch (error) {
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console.error('买入份额失败:', error);
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throw error;
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}
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};
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/**
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* 获取用户持仓列表
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*/
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export const getUserPositions = async () => {
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try {
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const response = await api.get('/api/prediction/positions');
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return response.data;
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} catch (error) {
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console.error('获取持仓列表失败:', error);
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throw error;
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}
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};
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// ==================== 评论 API ====================
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/**
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* 发表话题评论
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* @param {number} topicId
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* @param {Object} commentData - { content, parent_id }
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*/
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export const createComment = async (topicId, commentData) => {
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try {
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const response = await api.post(`/api/prediction/topics/${topicId}/comments`, commentData);
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return response.data;
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} catch (error) {
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console.error('发表评论失败:', error);
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throw error;
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}
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};
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/**
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* 获取话题评论列表
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* @param {number} topicId
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* @param {Object} params - { page, per_page }
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*/
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export const getComments = async (topicId, params = {}) => {
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try {
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const response = await api.get(`/api/prediction/topics/${topicId}/comments`, { params });
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return response.data;
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} catch (error) {
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console.error('获取评论列表失败:', error);
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throw error;
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}
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};
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/**
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* 点赞/取消点赞评论
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* @param {number} commentId
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*/
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export const likeComment = async (commentId) => {
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try {
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const response = await api.post(`/api/prediction/comments/${commentId}/like`);
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return response.data;
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} catch (error) {
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console.error('点赞评论失败:', error);
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throw error;
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}
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};
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// ==================== 观点IPO API ====================
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/**
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* 投资评论（观点IPO）
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* @param {number} commentId - 评论ID
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* @param {number} shares - 投资份额
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*/
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export const investComment = async (commentId, shares) => {
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try {
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const response = await api.post(`/api/prediction/comments/${commentId}/invest`, { shares });
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return response.data;
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} catch (error) {
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console.error('投资评论失败:', error);
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throw error;
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}
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};
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/**
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* 获取评论的投资列表
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* @param {number} commentId - 评论ID
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*/
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export const getCommentInvestments = async (commentId) => {
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try {
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const response = await api.get(`/api/prediction/comments/${commentId}/investments`);
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return response.data;
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} catch (error) {
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console.error('获取投资列表失败:', error);
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throw error;
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}
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};
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/**
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* 验证评论结果（仅创建者可操作）
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* @param {number} commentId - 评论ID
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* @param {string} result - 'correct' | 'incorrect'
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*/
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export const verifyComment = async (commentId, result) => {
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try {
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const response = await api.post(`/api/prediction/comments/${commentId}/verify`, { result });
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return response.data;
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} catch (error) {
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console.error('验证评论失败:', error);
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throw error;
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}
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};
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// ==================== 工具函数（价格计算保留在前端，用于实时预览）====================
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export const MARKET_CONFIG = {
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MAX_SEATS_PER_SIDE: 5,
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TAX_RATE: 0.02,
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MIN_PRICE: 50,
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MAX_PRICE: 950,
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BASE_PRICE: 500,
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};
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/**
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* 计算当前价格（简化版AMM）
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* @param {number} yesShares - Yes方总份额
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* @param {number} noShares - No方总份额
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* @returns {Object} {yes: price, no: price}
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*/
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export const calculatePrice = (yesShares, noShares) => {
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const totalShares = yesShares + noShares;
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if (totalShares === 0) {
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return {
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yes: MARKET_CONFIG.BASE_PRICE,
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no: MARKET_CONFIG.BASE_PRICE,
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};
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}
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const yesProb = yesShares / totalShares;
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const noProb = noShares / totalShares;
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let yesPrice = yesProb * 1000;
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let noPrice = noProb * 1000;
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yesPrice = Math.max(MARKET_CONFIG.MIN_PRICE, Math.min(MARKET_CONFIG.MAX_PRICE, yesPrice));
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noPrice = Math.max(MARKET_CONFIG.MIN_PRICE, Math.min(MARKET_CONFIG.MAX_PRICE, noPrice));
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return { yes: Math.round(yesPrice), no: Math.round(noPrice) };
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};
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/**
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* 计算交易税
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* @param {number} amount - 交易金额
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* @returns {number} 税费
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*/
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export const calculateTax = (amount) => {
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return Math.floor(amount * MARKET_CONFIG.TAX_RATE);
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};
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/**
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* 计算买入成本（用于前端预览）
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* @param {number} currentShares - 当前方总份额
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* @param {number} otherShares - 对手方总份额
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* @param {number} buyAmount - 买入数量
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* @returns {Object} { amount, tax, total }
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*/
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export const calculateBuyCost = (currentShares, otherShares, buyAmount) => {
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const currentPrice = calculatePrice(currentShares, otherShares);
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const afterShares = currentShares + buyAmount;
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const afterPrice = calculatePrice(afterShares, otherShares);
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const avgPrice = (currentPrice.yes + afterPrice.yes) / 2;
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const amount = avgPrice * buyAmount;
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const tax = calculateTax(amount);
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const total = amount + tax;
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return {
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amount: Math.round(amount),
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tax: Math.round(tax),
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total: Math.round(total),
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avgPrice: Math.round(avgPrice),
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};
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};
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export default {
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// 积分系统
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getUserAccount,
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claimDailyBonus,
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// 话题管理
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createTopic,
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getTopics,
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getTopicDetail,
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settleTopic,
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// 交易
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buyShares,
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getUserPositions,
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// 评论
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createComment,
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getComments,
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likeComment,
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// 观点IPO
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investComment,
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getCommentInvestments,
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verifyComment,
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// 工具函数
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calculatePrice,
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calculateTax,
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calculateBuyCost,
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MARKET_CONFIG,
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};
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