MathApp/content/templates/admin/content/browser.html

{% extends "admin/base_site.html" %}
{% block content %}
<style>
  .cb { direction: rtl; }
  .cb-cols { display: flex; gap: 12px; align-items: stretch; flex-wrap: wrap; }
  .cb-col { flex: 1 1 190px; min-width: 170px; border: 1px solid #ddd; border-radius: 8px;
            background: #fff; display: flex; flex-direction: column; max-height: 420px; }
  .cb-col h3 { margin: 0; padding: 8px 10px; font-size: 13px; background: #f6f6f6;
               border-bottom: 1px solid #ddd; border-radius: 8px 8px 0 0; }
  .cb-list { overflow-y: auto; flex: 1; }
  .cb-item { padding: 7px 10px; cursor: pointer; border-bottom: 1px solid #f0f0f0;
             font-size: 13px; display: flex; justify-content: space-between; gap: 8px; }
  .cb-item:hover { background: #eef5ff; }
  .cb-item.sel { background: #dbeafe; font-weight: 600; }
  .cb-count { color: #888; font-size: 11px; }
  .cb-empty { padding: 10px; color: #999; font-size: 12px; }
  .cb-q { border: 1px solid #ddd; border-radius: 8px; padding: 12px; margin-top: 10px; background: #fff; }
  .cb-q.flag { border-color: #f0a; border-right: 4px solid #e11d48; }
  .cb-q-top { display: flex; justify-content: space-between; gap: 10px; align-items: flex-start; }
  .cb-badges { display: flex; gap: 6px; flex-wrap: wrap; }
  .cb-badge { font-size: 11px; padding: 2px 7px; border-radius: 10px; white-space: nowrap; }
  .cb-badge.warn { background: #fee2e2; color: #b91c1c; }
  .cb-badge.info { background: #f1f5f9; color: #475569; }
  .cb-choices { margin: 8px 0 0; padding: 0; list-style: none; display: flex;
                flex-wrap: wrap; gap: 6px; }
  .cb-choices li { font-size: 12px; padding: 3px 9px; border-radius: 6px; background: #f1f5f9; }
  .cb-choices li.ok { background: #dcfce7; color: #15803d; font-weight: 600; }
</style>

<div class="cb">
  <h1>مرورِ محتوا</h1>
  <p style="color:#666">از راست به چپ انتخاب کنید تا به سوال‌ها برسید.</p>

  <div class="cb-cols">
    <div class="cb-col">
      <h3>پایه</h3>
      <div class="cb-list" id="col-grade">
        {% for grade in grades %}
          <div class="cb-item" data-id="{{ grade.id }}">{{ grade.title }}</div>
        {% empty %}
          <div class="cb-empty">هیچ پایه‌ای ثبت نشده.</div>
        {% endfor %}
      </div>
    </div>
    <div class="cb-col"><h3>فصل</h3><div class="cb-list" id="col-unit"><div class="cb-empty">اول پایه را انتخاب کنید.</div></div></div>
    <div class="cb-col"><h3>درس</h3><div class="cb-list" id="col-node"><div class="cb-empty">—</div></div></div>
    <div class="cb-col"><h3>مبحث</h3><div class="cb-list" id="col-lesson"><div class="cb-empty">—</div></div></div>
  </div>

  <div id="questions" style="margin-top:18px"></div>
</div>

<script>
(function () {
  const el = (id) => document.getElementById(id);
  const esc = (s) => String(s).replace(/[&<>"]/g, (c) =>
    ({ '&': '&amp;', '<': '&lt;', '>': '&gt;', '"': '&quot;' }[c]));

  function setEmpty(col, text) { col.innerHTML = '<div class="cb-empty">' + esc(text) + '</div>'; }

  async function load(url) {
    const response = await fetch(url, { headers: { 'X-Requested-With': 'XMLHttpRequest' } });
    if (!response.ok) throw new Error('HTTP ' + response.status);
    return response.json();
  }

  function fill(col, rows, countKey, onPick) {
    if (!rows.length) { setEmpty(col, 'چیزی اینجا نیست.'); return; }
    col.innerHTML = '';
    rows.forEach((row) => {
      const item = document.createElement('div');
      item.className = 'cb-item';
      item.innerHTML = '<span>' + esc(row.title) + '</span>'
        + '<span class="cb-count">' + (row[countKey] ?? 0) + '</span>';
      item.onclick = () => {
        col.querySelectorAll('.cb-item').forEach((n) => n.classList.remove('sel'));
        item.classList.add('sel');
        onPick(row.id);
      };
      col.appendChild(item);
    });
  }

  function renderQuestions(data) {
    const box = el('questions');
    let html = '<a class="addlink" href="' + data.addUrl + '">افزودنِ سوالِ تازه به این مبحث</a>';
    if (!data.results.length) {
      box.innerHTML = html + '<p style="color:#999;margin-top:10px">هنوز سوالی برای این مبحث ساخته نشده.</p>';
      return;
    }
    data.results.forEach((q) => {
      const flagged = q.openReports > 0 || (q.wrongPercent !== null && q.wrongPercent >= 70);
      let badges = '';
      if (q.openReports > 0) {
        badges += '<a class="cb-badge warn" href="' + q.reportsUrl + '">'
          + q.openReports + ' گزارشِ باز</a>';
      }
      if (q.wrongPercent !== null) {
        badges += '<span class="cb-badge ' + (q.wrongPercent >= 70 ? 'warn' : 'info') + '">'
          + q.wrongPercent + '٪ غلط از ' + q.totalAnswers + ' پاسخ</span>';
      } else if (q.totalAnswers) {
        badges += '<span class="cb-badge info">' + q.totalAnswers + ' پاسخ</span>';
      }
      html += '<div class="cb-q' + (flagged ? ' flag' : '') + '">'
        + '<div class="cb-q-top"><div><b>' + esc(q.prompt) + '</b>'
        + '<div style="color:#888;font-size:11px;margin-top:2px">' + esc(q.type) + ' · #' + q.id + '</div></div>'
        + '<div class="cb-badges">' + badges
        + '<a class="cb-badge info" href="' + q.editUrl + '">ویرایش</a></div></div>'
        + '<ul class="cb-choices">'
        + q.choices.map((c) => '<li class="' + (c.isCorrect ? 'ok' : '') + '">' + esc(c.value) + '</li>').join('')
        + '</ul></div>';
    });
    box.innerHTML = html;
  }

  function reset(...cols) { cols.forEach((c) => setEmpty(el(c), '—')); el('questions').innerHTML = ''; }

  el('col-grade').onclick = null;
  el('col-grade').querySelectorAll('.cb-item').forEach((item) => {
    item.onclick = async () => {
      el('col-grade').querySelectorAll('.cb-item').forEach((n) => n.classList.remove('sel'));
      item.classList.add('sel');
      reset('col-node', 'col-lesson');
      setEmpty(el('col-unit'), 'در حالِ بارگذاری…');
      const data = await load('units/' + item.dataset.id + '/');
      fill(el('col-unit'), data.results, 'node_count', async (unitId) => {
        reset('col-lesson');
        setEmpty(el('col-node'), 'در حالِ بارگذاری…');
        const nodes = await load('nodes/' + unitId + '/');
        fill(el('col-node'), nodes.results, 'lesson_count', async (nodeId) => {
          setEmpty(el('col-lesson'), 'در حالِ بارگذاری…');
          el('questions').innerHTML = '';
          const lessons = await load('lessons/' + nodeId + '/');
          fill(el('col-lesson'), lessons.results, 'question_count', async (lessonId) => {
            el('questions').innerHTML = '<p style="color:#999">در حالِ بارگذاری…</p>';
            renderQuestions(await load('questions/' + lessonId + '/'));
          });
        });
      });
    };
  });
})();
</script>
{% endblock %}