37 lines
1.2 KiB
JavaScript
37 lines
1.2 KiB
JavaScript
const mongoose = require('mongoose');
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const { Schema } = mongoose;
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const TrendSchema = new Schema({
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title: { type: String, required: true, trim: true },
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summary: { type: String },
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body: { type: String },
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source: { type: String, default: '未知来源' },
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sourceUrl: { type: String },
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category: {
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type: String,
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enum: ['产品', '论文', '工具', '公司', '政策', '其他'],
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default: '其他'
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},
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tags: [String],
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hot: { type: Boolean, default: false },
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// 人话解读（AI 生成，治"看不懂AI新闻"的焦虑）
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plainExplain: { type: String, default: '' }, // 一句话说清这是什么
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takeAway: { type: String, default: '' }, // 对普通人意味着什么
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picked: { type: Boolean, default: false },
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newsDate: { type: Date, default: Date.now, index: true },
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viewCount: { type: Number, default: 0 },
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status: {
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type: String,
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enum: ['draft', 'published'],
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default: 'published'
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}
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}, {
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timestamps: true,
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toJSON: { virtuals: true },
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toObject: { virtuals: true }
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});
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TrendSchema.index({ status: 1, newsDate: -1 });
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TrendSchema.index({ category: 1, newsDate: -1 });
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module.exports = mongoose.model('Trend', TrendSchema); |