FeedLite/index.php

<?php
/**
 * 问题列表
 */
require __DIR__ . '/lib/bootstrap.php';

$pdo = fb_db();

/* ---- 软件切换：只配一个软件时自动落到它，不暴露软件选择器 ---- */
$swList = fb_softwares(true);
$swKey  = isset($_GET['sw']) ? (string)$_GET['sw'] : '';
$sw     = null;
if ($swKey !== '') {
    $sw = fb_software($swKey);
    // 指定的软件不存在或已停用 → 退回默认，不报错（老链接要能打开）
    if (!$sw || (int)$sw['enabled'] !== 1) { $sw = null; }
}
if ($sw === null && $swList) { $sw = $swList[0]; }
$swId = $sw ? (int)$sw['id'] : 0;

$cats     = fb_categories($swId);
$statuses = fb_status_keys();

$cat  = isset($_GET['cat'])    ? (string)$_GET['cat']    : '';
$st   = isset($_GET['status']) ? (string)$_GET['status'] : '';
$q    = isset($_GET['q'])      ? trim((string)$_GET['q']) : '';
$sort = isset($_GET['sort'])   ? (string)$_GET['sort']   : 'active';

// 分类按 slug 在当前软件内解析；解析不到退回「全部」，不许 404
$curCat = null;
if ($cat !== '') {
    $curCat = fb_category_by_slug($swId, $cat);
    if (!$curCat) { $cat = ''; }
}
if ($st  !== '' && !isset($statuses[$st]))  { $st  = ''; }
if ($sort !== 'new')                        { $sort = 'active'; }

$where = [];
$args  = [];
// 审核（先审后显）：访客只看已通过审核的；管理员登录审核后台后可看全部
if (fb_moderation_on() && !fb_is_admin()) { $where[] = 'visible = 1'; }
if ($swId > 0)   { $where[] = 'software_id = ?'; $args[] = $swId; }
if ($curCat)     { $where[] = 'category_id = ?'; $args[] = (int)$curCat['id']; }
if ($st  !== '') { $where[] = 'status = ?';      $args[] = $st; }
if ($q   !== '') {
    $like    = '%' . addcslashes($q, '%_\\') . '%';
    $where[] = "(title LIKE ? ESCAPE '\\' OR body LIKE ? ESCAPE '\\')";
    $args[]  = $like;
    $args[]  = $like;
}
$wsql  = $where ? (' WHERE ' . implode(' AND ', $where)) : '';
$order = ($sort === 'new') ? 'created_at DESC' : 'updated_at DESC';

$stc = $pdo->prepare('SELECT COUNT(*) FROM threads' . $wsql);
$stc->execute($args);
$total = (int)$stc->fetchColumn();

$pageSize = max(5, (int)fb_cfg('page_size', 20));
$pages    = max(1, (int)ceil($total / $pageSize));
$page     = isset($_GET['page']) ? (int)$_GET['page'] : 1;
if ($page < 1)     { $page = 1; }
if ($page > $pages){ $page = $pages; }
$offset   = ($page - 1) * $pageSize;

$sql = 'SELECT id, title, category, category_id, software_id, status, author_name, reply_count, created_at, updated_at,'
     . ' substr(body, 1, 300) AS excerpt FROM threads'
     . $wsql . ' ORDER BY ' . $order . ' LIMIT ' . $pageSize . ' OFFSET ' . $offset;
$sth = $pdo->prepare($sql);
$sth->execute($args);
$threads = $sth->fetchAll();

// 附件缩略图与数量（只在有附件时才有开销）
$tids     = [];
foreach ($threads as $t) { $tids[] = (int)$t['id']; }
$attImgs  = $tids ? fb_attach_map_images($pdo, $tids, 3) : [];
$attCount = $tids ? fb_attach_count_map($pdo, $tids)  : [];

$siteName = (string)fb_cfg('site_name');
$headTitle = $siteName !== '' ? $siteName . ' · 问题反馈' : '问题反馈';
fb_layout_head($sw ? ((string)$sw['name']) : $headTitle);
?>

<div class="page-head">
  <div>
    <h1><?php echo e($sw ? (string)$sw['name'] : '全部问题'); ?></h1>
    <p class="muted"><?php
      $desc = $sw && !empty($sw['note']) ? (string)$sw['note'] : (string)fb_cfg('site_desc');
      echo e($desc);
    ?></p>
  </div>
  <a class="btn primary" href="new.php<?php echo $sw ? '?sw=' . e(urlencode((string)$sw['slug'])) : ''; ?>">我要反馈</a>
</div>

<div class="software-bar">
  <span class="sw-label">选择软件：</span>
  <div class="chips">
    <?php foreach ($swList as $s): ?>
      <a class="chip <?php echo ($sw && (int)$s['id'] === (int)$sw['id']) ? 'on' : ''; ?>"
         href="<?php echo e(fb_qs(['sw' => (string)$s['slug'], 'cat' => null, 'page' => null]) ?: ('?sw=' . e(urlencode((string)$s['slug'])))); ?>"><?php echo e((string)$s['name']); ?></a>
    <?php endforeach; ?>
  </div>
</div>

<div class="filters">
  <div class="chips">
    <a class="chip <?php echo $cat === '' ? 'on' : ''; ?>" href="<?php echo e(fb_qs(['cat' => null, 'page' => null]) ?: '?'); ?>">全部</a>
    <?php foreach ($cats as $c): ?>
      <a class="chip <?php echo $cat === (string)$c['slug'] ? 'on' : ''; ?>" href="<?php echo e(fb_qs(['cat' => (string)$c['slug'], 'page' => null])); ?>"><?php echo e((string)$c['name']); ?></a>
    <?php endforeach; ?>
  </div>
  <form class="filter-row" method="get" action="">
    <?php if ($sw): ?><input type="hidden" name="sw" value="<?php echo e((string)$sw['slug']); ?>"><?php endif; ?>
    <input type="hidden" name="cat" value="<?php echo e($cat); ?>">
    <select name="status" onchange="this.form.submit()">
      <option value="">全部状态</option>
      <?php foreach ($statuses as $k => $v): ?>
        <option value="<?php echo e($k); ?>" <?php echo $st === $k ? 'selected' : ''; ?>><?php echo e($v); ?></option>
      <?php endforeach; ?>
    </select>
    <select name="sort" onchange="this.form.submit()">
      <option value="active" <?php echo $sort === 'active' ? 'selected' : ''; ?>>按最新回复</option>
      <option value="new"    <?php echo $sort === 'new'    ? 'selected' : ''; ?>>按最新发布</option>
    </select>
    <input type="search" name="q" value="<?php echo e($q); ?>" placeholder="搜索标题或内容…">
    <button class="btn" type="submit">搜索</button>
  </form>
</div>

<div class="list">
<?php if (!$threads): ?>
  <div class="empty">
    <p>还没有符合条件的问题。</p>
    <p><a class="btn primary" href="new.php<?php echo $sw ? '?sw=' . e(urlencode((string)$sw['slug'])) : ''; ?>">来提第一个吧</a></p>
  </div>
<?php else: ?>
  <?php foreach ($threads as $t): ?>
    <a class="item" href="thread.php?id=<?php echo (int)$t['id']; ?>">
      <div class="item-top">
        <span class="badge cat"><?php echo e(fb_category_label($t['category_id'])); ?></span>
        <span class="badge st st-<?php echo e($t['status']); ?>"><?php echo e(fb_status_label($t['status'])); ?></span>
        <span class="item-title"><?php echo e($t['title']); ?></span>
        <span class="item-id" title="问题编号">#<?php echo (int)$t['id']; ?></span>
      </div>
      <p class="item-ex"><?php echo e(fb_excerpt($t['excerpt'], 120)); ?></p>
      <?php if (!empty($attImgs[(int)$t['id']])): ?>
        <div class="thumbs">
          <?php foreach ($attImgs[(int)$t['id']] as $im): ?>
            <img loading="lazy" alt="" src="<?php echo e(fb_attach_thumb_url($im['oss_key'], 200, isset($im['mime']) ? $im['mime'] : '')); ?>">
          <?php endforeach; ?>
        </div>
      <?php endif; ?>
      <div class="item-meta">
        <span class="who"><?php echo e($t['author_name']); ?></span>
        <span class="dot">·</span>
        <span><?php echo e(fb_fmt_time($t['updated_at'])); ?></span>
        <span class="dot">·</span>
        <span><?php echo (int)$t['reply_count']; ?> 条回复</span>
        <?php if (!empty($attCount[(int)$t['id']])): ?>
          <span class="dot">·</span>
          <span class="att-tag">附件 <?php echo (int)$attCount[(int)$t['id']]; ?></span>
        <?php endif; ?>
      </div>
    </a>
  <?php endforeach; ?>
<?php endif; ?>
</div>

<?php if ($pages > 1): ?>
  <div class="pager">
    <?php
      $mk = function ($p) {
          return e(fb_qs(['page' => $p <= 1 ? null : $p]) ?: '?');
      };
    ?>
    <?php if ($page > 1): ?>
      <a class="btn" href="<?php echo $mk($page - 1); ?>">上一页</a>
    <?php endif; ?>
    <span class="pager-info">第 <?php echo (int)$page; ?> / <?php echo (int)$pages; ?> 页 · 共 <?php echo (int)$total; ?> 个问题</span>
    <?php if ($page < $pages): ?>
      <a class="btn" href="<?php echo $mk($page + 1); ?>">下一页</a>
    <?php endif; ?>
  </div>
<?php elseif ($total > 0): ?>
  <div class="pager"><span class="pager-info">共 <?php echo (int)$total; ?> 个问题</span></div>
<?php endif; ?>

<?php
fb_layout_foot();