89 lines
3.9 KiB
JavaScript
89 lines
3.9 KiB
JavaScript
import { api } from "../api.js";
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import { centerActiveChips, emptyState, sectionHeader } from "../components.js";
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import { lineChart, themeColor } from "../charts.js";
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import {
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escapeHtml, formatCount, formatDelta, formatNumber,
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} from "../format.js";
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import { replaceQuery } from "../router.js";
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const RANGES = [["7", "7 天"], ["30", "30 天"], ["90", "90 天"], ["3650", "全部"]];
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export async function renderFans(root, { query }) {
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const days = query.get("days") || "90";
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const mid = query.get("mid");
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const fans = await api("/api/fans", { days, mid });
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const options = fans.options || [];
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root.innerHTML = `<section class="page fans-page">
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<header class="page-head">
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<div>
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<h1>粉丝</h1>
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<p class="page-sub">${escapeHtml(fans.name || "粉丝追踪")}</p>
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</div>
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${options.length > 1 ? `<select class="select" id="fan-mid">
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${options.map((item) => `<option value="${item.mid}" ${String(fans.mid) === String(item.mid) ? "selected" : ""}>${escapeHtml(item.name)}</option>`).join("")}
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</select>` : ""}
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</header>
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${!fans.available ? emptyState("暂无粉丝数据", "每日快照完成后会开始记录粉丝数。")
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: `
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<div class="hero-number">
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<span>当前粉丝</span>
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<strong>${formatCount(fans.follower)}</strong>
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<small>${escapeHtml(fans.stat_date || "—")} · 首次记录 ${escapeHtml(fans.first_date || "—")}</small>
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</div>
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<div class="mini-stats">
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<div><span>日增</span><strong class="${Number(fans.delta_1d) >= 0 ? "up" : "down"}">${fans.delta_1d === null ? "—" : formatDelta(fans.delta_1d)}</strong></div>
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<div><span>7 日净增</span><strong class="${Number(fans.delta_7d) >= 0 ? "up" : "down"}">${fans.delta_7d === null ? "—" : formatDelta(fans.delta_7d)}</strong></div>
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<div><span>累计增长（${escapeHtml(fans.first_date || "—")} 以来）</span><strong class="${Number(fans.delta_cum) >= 0 ? "up" : "down"}">${formatDelta(fans.delta_cum)}</strong></div>
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</div>
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<section class="panel chart-panel">
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${sectionHeader("粉丝曲线")}
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<div class="chip-row scroll-x">
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${RANGES.map(([value, label]) => `<button type="button"
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class="chip${days === value ? " active" : ""}" data-days="${value}">${label}</button>`).join("")}
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</div>
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<div class="chart" id="fans-chart"></div>
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<p class="section-note">只绘制粉丝数，不叠加 reaction 视频数据；缺失日断开，不插值。</p>
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</section>
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<section class="panel">
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${sectionHeader("最近记录")}
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<p class="section-note">默认展示最近 ${fans.recent_days || 14} 天；更早的数据只在曲线中显示。</p>
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<div class="table-wrap">
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<table class="data-table">
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<thead><tr><th>日期</th><th>粉丝</th><th>状态</th></tr></thead>
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<tbody>
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${(fans.recent_points || []).slice().reverse().map((point) => `
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<tr class="${point.ok ? "" : "failed-row"}">
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<td>${escapeHtml(point.stat_date)}</td>
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<td>${point.ok ? formatNumber(point.follower) : "—"}</td>
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<td>${point.ok ? "成功" : "失败"}</td>
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</tr>`).join("")}
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</tbody>
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</table>
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</div>
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</section>`}
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</section>`;
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root.querySelectorAll("[data-days]").forEach((button) => button.addEventListener("click", () => {
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replaceQuery({ days: button.dataset.days });
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}));
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root.querySelector("#fan-mid")?.addEventListener("change", (event) => {
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replaceQuery({ mid: event.target.value });
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});
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centerActiveChips(root);
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const chartElement = root.querySelector("#fans-chart");
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if (chartElement) {
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lineChart(chartElement, {
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dates: fans.dates || [],
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values: fans.series || [],
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name: "粉丝",
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color: themeColor("accent"),
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scale: true,
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});
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}
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}
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