283 lines
8.5 KiB
PHP
283 lines
8.5 KiB
PHP
<?php
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declare(strict_types=1);
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namespace app\index\controller\Article;
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use app\index\BaseController;
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use Symfony\Component\VarDumper\VarDumper;
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use think\exception\ValidateException;
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use think\facade\Request;
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use think\facade\Session;
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use think\response\Json;
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use think\db\exception\DbException;
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use app\model\Cms\Articles;
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use app\model\Cms\ArticlesCategory;
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use tidy;
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class NewsCenterController extends BaseController
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{
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/**
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* 根据域名获取新闻数据
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*
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* 返回字段：list 列表；total 当前租户下已发布新闻总数；count 当前筛选（全部或 cate）下的条数，翻页按 count 与 page_size。
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*
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* @return Json
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*/
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public function getCenterNews(): Json
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{
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$baseUrl = (string) $this->request->param('baseUrl', '');
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if ($baseUrl !== '') {
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$this->tenantId = BaseController::getTenantIdByDomain($baseUrl);
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}
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$tid = $this->getTenantId();
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if (empty($tid)) {
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return json([
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'code' => 400,
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'msg' => '无法识别租户信息',
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'list' => [],
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]);
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}
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// param 合并 GET，避免个别环境下仅 get 取不到查询串
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$cateId = (int) $this->request->param('cate', 0);
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$listPage = (int) $this->request->param('page', 0);
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$pageSizeReq = (int) $this->request->param('page_size', 0);
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// 点击左侧分类：文章 cate 可能挂在子分类上，需包含「该分类 + 其下所有子分类」id
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$categoryIdsForFilter = [];
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if ($cateId > 0) {
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$categoryIdsForFilter = $this->resolveCategoryBranchIds($cateId, $tid);
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if ($categoryIdsForFilter === []) {
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$categoryIdsForFilter = [$cateId];
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}
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}
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$baseQuery = static function () use ($tid, $cateId, $categoryIdsForFilter) {
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$q = Articles::published()
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->where('tid', $tid)
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->where('delete_time', null);
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if ($cateId > 0 && $categoryIdsForFilter !== []) {
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$q->whereIn('cate', $categoryIdsForFilter);
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}
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return $q;
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};
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// 当前租户下「全部」已发布新闻数（不受 cate 筛选影响）
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$totalTenantNews = (int) Articles::published()
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->where('tid', $tid)
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->where('delete_time', null)
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->count();
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// 当前列表条件下的总数：tid +（可选）cate，用于翻页总页数 = ceil(count / page_size)
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$countFiltered = (int) $baseQuery()->count();
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$useListPagination = $listPage > 0 && $pageSizeReq > 0;
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if ($useListPagination) {
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// 新闻中心列表页：服务端分页；不要用查询参数名 page，避免与路由占位符冲突
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$pageSizeReq = max(1, min($pageSizeReq, 50));
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$listPage = max(1, $listPage);
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$articles = $baseQuery()
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->order('publish_date', 'desc')
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->page($listPage, $pageSizeReq)
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->select();
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} else {
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// 首页等：按 limit 取前 N 条（默认 8）
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$limit = (int) $this->request->param('limit', 8);
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if ($limit < 1) {
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$limit = 8;
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}
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if ($limit > 200) {
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$limit = 200;
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}
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$articles = $baseQuery()
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->order('publish_date', 'desc')
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->limit($limit)
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->select();
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}
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// 处理图片：如果文章 image 为空，则取分类的 image
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foreach ($articles as &$article) {
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if (empty($article['image']) && !empty($article['cate'])) {
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$category = ArticlesCategory::where('id', $article['cate'])
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->where('delete_time', null)
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->find();
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if ($category && !empty($category['image'])) {
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$article['image'] = $category['image'];
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}
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}
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}
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unset($article);
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return json([
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'code' => 200,
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'msg' => 'success',
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'list' => $articles,
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// 当前租户下新闻总条数（全部状态为已发布）
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'total' => $totalTenantNews,
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// 当前筛选（全部或某分类）下的条数，列表翻页按 count 与 page_size 计算
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'count' => $countFiltered,
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]);
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}
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/**
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* 解析分类筛选用的 id 列表：自身 + mete_articles_category 中 cid=该 id 的所有子孙（同 tid、未删除）
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*/
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private function resolveCategoryBranchIds(int $rootId, int $tid): array
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{
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if ($rootId <= 0 || $tid <= 0) {
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return [];
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}
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$root = ArticlesCategory::where('id', $rootId)
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->where('tid', $tid)
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->where('delete_time', null)
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->find();
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if (!$root) {
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return [$rootId];
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}
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$ids = [$rootId];
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$queue = [$rootId];
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while ($queue !== []) {
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$pid = array_shift($queue);
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$children = ArticlesCategory::where('cid', $pid)
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->where('tid', $tid)
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->where('delete_time', null)
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->column('id');
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foreach ($children as $id) {
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$id = (int) $id;
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if ($id > 0 && !in_array($id, $ids, true)) {
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$ids[] = $id;
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$queue[] = $id;
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}
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}
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}
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return $ids;
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}
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/**
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* 获取新闻详情
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* @param int $id 文章ID
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* @return Json
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*/
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public function getNewsDetail(int $id): Json
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{
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try {
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$baseUrl = $this->request->get('baseUrl', '');
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if (!empty($baseUrl)) {
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$this->tenantId = BaseController::getTenantIdByDomain($baseUrl);
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}
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$tid = $this->getTenantId();
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$query = Articles::published()->where('id', $id);
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if ($tid > 0) {
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$query->where('tid', $tid);
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}
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$article = $query->find();
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if (!$article) {
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return json([
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'code' => 404,
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'msg' => '文章不存在',
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'list' => [],
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]);
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}
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return json([
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'code' => 200,
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'msg' => 'success',
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'list' => $article,
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]);
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} catch (\Exception $e) {
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return json([
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'code' => 500,
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'msg' => '获取新闻详情失败：' . $e->getMessage(),
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'list' => [],
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]);
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}
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}
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/**
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* 获取上一篇下一篇
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* @param int $id 文章ID
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* @param int $cate 分类ID
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* @return array
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*/
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private function getNextPreviousArticles(int $id, int $cate): array
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{
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$nextArticle = Articles::where('id', '<', $id)
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->where('cate', $cate)
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->where('delete_time', null)
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->where('status', 2)
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->field('id,title')
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->find();
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$previousArticle = Articles::where('id', '>', $id)
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->where('cate', $cate)
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->where('delete_time', null)
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->where('status', 2)
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->field('id,title')
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->find();
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return [
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'code' => 200,
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'msg' => 'success',
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'next' => $nextArticle,
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'previous' => $previousArticle,
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];
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}
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/**
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* 通过分类 ID 获取分类名称
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* @param int $cateId 分类ID
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* @return string
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*/
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private function getCategoryName(int $id): string
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{
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$categoryInfo = ArticlesCategory::where('id', $id)
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->where('delete_time', null)
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->find();
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if (!$categoryInfo) {
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return '未分类';
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}
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return $categoryInfo['name'];
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}
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/**
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* 获取相关文章
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*/
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private function getRelatedArticles(int $id, int $cate): array
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{
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$articles = Articles::where('id', '<>', $id)
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->where('cate', $cate)
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->where('delete_time', null)
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->where('status', 2)
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->order('top', 'desc')
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->order('recommend', 'desc')
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->order('sort', 'desc')
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->order('id', 'desc')
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->limit(5)
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->select();
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foreach ($articles as &$article) {
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$article['cate'] = $this->getCategoryName($article['cate']);
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}
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return [
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'code' => 200,
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'msg' => 'success',
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'list' => $articles,
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];
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}
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}
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