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miniprogram/pages/admin-dashboard/index.js

@@ -0,0 +1,71 @@
+const { request } = require('../../utils/request')
+
+Page({
+  data: {
+    loading: false,
+    stats: null,
+    kpis: [],
+    bars: [],
+    sourceDist: [],
+    topKeywords: []
+  },
+
+  formatPercent(value, digits = 2) {
+    const num = Number(value || 0)
+    return `${(num * 100).toFixed(digits)}%`
+  },
+
+  onShow() {
+    this.fetchStats()
+  },
+
+  onPullDownRefresh() {
+    this.fetchStats(true)
+  },
+
+  normalizeKpis(stats) {
+    return [
+      { label: '系统用户', value: stats.user_count || 0 },
+      { label: '发布总量', value: stats.post_count || 0 },
+      { label: '拦截总量', value: stats.blocked_count || 0 },
+      { label: '待处理申诉', value: stats.pending_appeal_count || 0 },
+      { label: '训练样本', value: stats.sample_count || 0 },
+      { label: '近7天拦截率', value: this.formatPercent(stats.blocked_ratio_7d, 2) }
+    ]
+  },
+
+  normalizeBars(trend) {
+    const rows = Array.isArray(trend) ? trend : []
+    const maxVal = Math.max(1, ...rows.map((r) => Number(r.post_count || 0)))
+    return rows.map((row) => {
+      const value = Number(row.post_count || 0)
+      const ratio = value / maxVal
+      return {
+        ...row,
+        value,
+        percent_text: `${Math.max(6, Math.round(ratio * 100))}%`
+      }
+    })
+  },
+
+  async fetchStats(fromPullDown = false) {
+    this.setData({ loading: true })
+    try {
+      const stats = await request({ url: '/admin/stats' })
+      const normalizedStats = {
+        ...stats,
+        threshold_text: stats && stats.threshold ? this.formatPercent(stats.threshold.spam_threshold, 1) : '--'
+      }
+      this.setData({
+        stats: normalizedStats,
+        kpis: this.normalizeKpis(normalizedStats),
+        bars: this.normalizeBars(normalizedStats.trend_7d || []),
+        sourceDist: normalizedStats.source_distribution || [],
+        topKeywords: normalizedStats.top_keywords || []
+      })
+    } finally {
+      this.setData({ loading: false })
+      if (fromPullDown) wx.stopPullDownRefresh()
+    }
+  }
+})