d0dc94e36d
新功能: - 创建AI聊天助手组件（AIChatWidget） - 支持文字+图片多模态对话 - 集成Gemini AI API - 支持图片编辑和内容生成 - 实时对话历史管理 - 优雅的UI设计，支持黑夜模式 技术实现: - 后端API代理Gemini API（/api/ai-chat） - 支持最多5张图片上传 - 流式响应处理 - 对话历史管理 - Base64图片处理 配置: - 在.env中添加Gemini API配置 - GEMINI_API_KEY - GEMINI_API_BASE_URL - GEMINI_MODEL 替换原弹幕功能，提供更强大的AI助手体验！
81 lines
1.7 KiB
JavaScript
Executable File
81 lines
1.7 KiB
JavaScript
Executable File
const mongoose = require('mongoose');
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// 检查模型是否已经存在，如果存在则直接返回
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if (mongoose.models.Notification) {
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module.exports = mongoose.models.Notification;
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return;
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}
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const notificationSchema = new mongoose.Schema({
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title: {
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type: String,
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required: true,
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trim: true,
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maxlength: 100
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},
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content: {
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type: String,
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required: true,
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trim: true,
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maxlength: 5000
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},
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type: {
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type: String,
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enum: ['info', 'warning', 'success', 'error', 'announcement'],
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default: 'info'
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},
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priority: {
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type: String,
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enum: ['low', 'medium', 'high', 'urgent'],
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default: 'medium'
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},
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status: {
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type: String,
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enum: ['draft', 'published', 'archived'],
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default: 'draft'
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},
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targetUsers: {
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type: String,
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enum: ['all', 'admin', 'vip', 'regular'],
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default: 'all'
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},
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createdBy: {
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type: mongoose.Schema.Types.ObjectId,
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ref: 'User',
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required: true
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},
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publishDate: {
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type: Date,
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default: Date.now
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},
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expiryDate: {
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type: Date,
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default: function() {
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// 默认30天后过期
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const date = new Date();
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date.setDate(date.getDate() + 30);
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return date;
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}
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},
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readBy: [{
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user: {
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type: mongoose.Schema.Types.ObjectId,
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ref: 'User'
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},
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readAt: {
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type: Date,
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default: Date.now
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}
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}]
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}, {
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timestamps: true
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});
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// 添加索引以提高查询性能
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notificationSchema.index({ status: 1, publishDate: -1 });
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notificationSchema.index({ targetUsers: 1, status: 1 });
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notificationSchema.index({ expiryDate: 1 }, { expireAfterSeconds: 0 }); // TTL索引，过期自动删除
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const Notification = mongoose.model('Notification', notificationSchema);
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module.exports = Notification;
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