419 lines
12 KiB
PHP
419 lines
12 KiB
PHP
<?php
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namespace App\Http\Controllers\Admin;
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use Illuminate\Foundation\Validation\ValidatesRequests;
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use Illuminate\Http\Request;
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use App\News as NewsModel;
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use App\NewsCategory;
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use App\NewsDiscuss;
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use DB;
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use Validator;
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class NewsController extends Controller
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{
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use ValidatesRequests;
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/**
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* @c_id integer 新闻分类
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* @keyword string 关键词
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* @num integer 每页记录数，为0则不分页
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*/
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public static function newsList($cId = 0, $keyword = '', $lang = '', $num = 0)
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{
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$keyword = '%' . $keyword . '%';
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$news_query = NewsModel::where(function ($query) use ($cId, $keyword, $lang) {
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!empty($keyword) && $query->where('title', 'like', $keyword);
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$cId > 0 && $query->where('c_id', $cId);
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!empty($lang) && $query->where('lang', $lang);
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})->orderBy('id', 'desc');
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$news = $num != 0 ? $news_query->paginate($num) : $news_query->get();
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return $news;
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}
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/**
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* @num integer 每页记录数，为0则不分页
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* @id integer 分类ID，为0则返回所有
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*/
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public static function newsCateList($num = 0, $id = 0)
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{
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if($id == 0) {
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if($num != 0) {
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$discuss = NewsCategory::orderBy('id', 'desc')->paginate($num);
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} else {
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$discuss = NewsCategory::orderBy('id', 'desc')->get();
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}
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} else {
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if($num != 0) {
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$discuss = NewsCategory::where('id', $id)->orderBy('id', 'asc')->paginate($num);
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} else {
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$discuss = NewsCategory::where('id', $id)->orderBy('id', 'asc')->get();
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}
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}
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return $discuss;
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}
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/**
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* @nId integer 所属新闻ID
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* @num integer 每页记录数，为0则不分页
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*/
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public static function newsDiscussList($nId = 0, $num = 0)
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{
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if($nId == 0) {
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return false;
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} else {
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if($num != 0) {
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$discuss = NewsDiscuss::where('n_id', $nId)->orderBy('id', 'desc')->paginate($num);
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} else {
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$discuss = NewsDiscuss::where('n_id', $nId)->orderBy('id', 'desc')->get();
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}
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}
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return $discuss;
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}
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/**
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* 后台新闻列表
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*
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* @return
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*/
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public function index(Request $request, $c_id = 0, $keyword = '')
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{
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$c_id = intval($request->input('c_id', '0'));
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$keyword = trim($request->input('keyword', ''));
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$lang = trim($request->input('lang', ''));
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$cateList = NewsCategory::all();
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$news = self::newsList($c_id, $keyword, $lang, 10);
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$lang_list = NewsModel::getLangeList();
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$count = count($news);
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$data = [
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'count'=> $count,
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'news' => $news->appends([
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'c_id' => $c_id,
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'keyword' => $keyword,
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'lang' => $lang,
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]),
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'cateList' => $cateList,
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];
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return view('admin.news.index', [
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'data'=> $data,
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'lang_list' => $lang_list,
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]);
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}
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/**
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* 后台添加新闻表单
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*
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* @return
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*/
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public function add(Request $request)
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{
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$cateList = NewsCategory::all();
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$lang_list = NewsModel::getLangeList();
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return view('admin.news.add', [
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'cateList' => $cateList,
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'langList' => $lang_list
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]);
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}
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/**
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* 处理添加新闻表单数据
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*
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* @return
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*/
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public function postAdd(Request $request)
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{
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$news = new NewsModel();
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$this->validate($request, [
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'title' => 'required|min:1|max:128',
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'c_id' => 'required|integer',
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'author' => 'required|min:1|max:64',
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'content' => 'required',
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'lang' => 'required',
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]);
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$news->title = $request->input('title');
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$news->c_id = $request->input('c_id');
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$news->recommend = $request->input('recommend', 0);
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$thumbnail = $request->input('thumbnail', "");
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$cover = $request->input('cover', "");
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$news->thumbnail = empty($thumbnail) ? URL("images/zwtp.png"):$thumbnail;
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$news->cover = empty($cover) ? URL("images/zwtp.png"):$cover;
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$news->audit = $request->input('audit', 0);
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$news->display = $request->input('display', 0);
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$news->discuss = $request->input('discuss', 0);
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$news->author = $request->input('author', '管理员') ;
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$news->views = $request->input('views', 0);
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$news->create_time = $request->input('create_time') == date('Y-m-d') ? strtotime(date('Y-m-d H:i:s')) : strtotime($request->input('create_time'));
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$news->browse_grant = $request->input('browse_grant');
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$news->keyword = $request->input('keyword', '') ?? '';
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$news->abstract = $request->input('abstract', '') ?? '';
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$news->content = $request->input('content', '') ?? '';
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$news->lang = $request->input('lang', 'zh');
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$news->sorts = $request->input('sorts', 0);
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$result = $news->save();
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return $result ? $this->success('添加成功!') : $this->error('添加失败!');
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}
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/**
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* 编辑新闻表单
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*
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* @return
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*/
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public function edit(Request $request, $id = 0)
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{
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$news = NewsModel::find($id);
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$cateList = NewsCategory::all();
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$lang_list = NewsModel::getLangeList();
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$data = [
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'news' => $news,
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'cateList' => $cateList,
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'langList' => $lang_list,
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];
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return view('admin.news.add', $data);
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}
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/**
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* 处理编辑表单数据
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*/
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public function postEdit(Request $request, $id = 0)
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{
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$news = NewsModel::find($id);
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$cateList = NewsCategory::all();
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$this->validate($request, [
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'title' => 'required|min:1|max:128',
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'author' => 'required|min:1|max:64',
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'content' => 'required',
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'c_id' => 'required|integer|min:1',
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'lang' => 'required',
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]);
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$news->title = $request->input('title');
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$news->c_id = $request->input('c_id');
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$thumbnail = $request->input('thumbnail', "");
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$cover = $request->input('cover', "");
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$news->thumbnail = empty($thumbnail) ? URL("images/zwtp.png"):$thumbnail;
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$news->cover = empty($cover) ? URL("images/zwtp.png"):$cover;
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$news->recommend = $request->input('recommend', 0);
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$news->audit = $request->input('audit', 0);
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$news->display = $request->input('display', 0);
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$news->discuss = $request->input('discuss', 0);
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$news->author = $request->input('author', '管理员');
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$news->views = $request->input('views', 0);
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$news->create_time = $request->input('create_time') == date('Y-m-d') ? strtotime(date('Y-m-d H:i:s')) : strtotime($request->input('create_time'));
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$news->browse_grant = $request->input('browse_grant');
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$news->keyword = $request->input('keyword', '');
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$news->abstract = $request->input('abstract', '');
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$news->content = $request->input('content', '');
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$news->lang = $request->input('lang', 'zh');
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$news->sorts = $request->input('sorts', 0);
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$result = $news->save();
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return $result ? $this->success('编辑成功！') : $this->error('编辑失败！');
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}
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/**
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* 后台删除新闻
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* @param $id 新闻ID
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* @param $togetherDel 同评论一起删除
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* @return
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*/
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public function del(Request $request, $id = 0, $togetherDel = 0)
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{
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//判断新闻对应评论是否一同删除
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$result = false;
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$s = 0;
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if($togetherDel) {
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DB::beginTransaction();
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NewsDiscuss::where('n_id', $id)->delete() && $s++;
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NewsModel::destroy($id) && $s++;
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$result = $s == 2;
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$result ? DB::commit() : DB::rollBack();
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} else {
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$result = NewsModel::destroy($id);
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}
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return $result ? $this->success('删除成功！') : $this->error('删除失败！');
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}
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/**
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* 后台新闻分类列表
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*
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* @return
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*/
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public function cateIndex(Request $request)
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{
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$count = NewsCategory::count();
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$newsCate = self::newsCateList(10);
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$data = ['count' => $count, 'newsCate' => $newsCate];
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return view('admin.news.cateIndex', ['data'=> $data]);
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}
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/**
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* AJAX动态获取分类
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* @return array
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*/
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public function getCateList()
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{
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$newsCate = self::newsCateList();
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$count = $newsCate->count();
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$data = [
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'count' => $count,
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'cate' => $newsCate
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];
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return $data;
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}
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/**
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* 添加新闻分类表单
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*
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* @return
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*/
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public function cateAdd(Request $request)
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{
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return view('admin.news.cateAdd');
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}
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/**
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* 处理添加分类数据
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*
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* @return
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*/
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public function postCateAdd(Request $request)
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{
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$cate = new NewsCategory();
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$this->validate($request, [
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'name' => 'required|min:1|max:128',
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]);
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$cate->name = $request->input('name', '');
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$cate->sorts = $request->input('sorts', 0);
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$cate->is_show = $request->input('is_show', 1);
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$result = $cate->save();
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return $result ? $this->success('添加成功！') : $this->error('添加失败！');
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}
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/**
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* 编辑新闻分类表单
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*
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* @return
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*/
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public function cateEdit(Request $request, $id = 0)
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{
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$cate = NewsCategory::find($id);
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return view('admin.news.cateAdd', $cate);
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}
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/**
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* 处理编辑新闻分类数据
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*
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* @return
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*/
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public function PostCateEdit(Request $request, $id = 0)
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{
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$cate = NewsCategory::find($id);
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$this->validate($request, [
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'name' => 'required|min:1|max:128',
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]);
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$cate->name = $request->input('name', '');
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$cate->sorts = $request->input('sorts', 0);
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$cate->is_show = $request->input('is_show', 1);
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$result = $cate->save();
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return $result ? $this->success('修改成功！') : $this->error('修改失败！');
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}
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/**
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* 后台删除新闻分类
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*
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* @return
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*/
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public function cateDel(Request $request, $id = 0)
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{
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//需要先判断所属分类下是否有新闻
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$count = NewsModel::where('c_id', $id)->count();
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if($count > 0) {
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return $this->error('删除失败，原因：对应分类下有新闻！');
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} else {
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$result = NewsCategory::destroy($id);
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return $result ? $this->success('删除成功！') : $this->error('删除失败！');
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}
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}
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/**
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* 新闻评论列表
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*
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* @return
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*/
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public function discussIndex(Request $request, $nId = 0)
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{
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$newsDiscuss = self::newsDiscussList($nId, 20);
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$news = NewsModel::find($nId);
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$data = [
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'news' => $news,
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'newsDiscuss' => $newsDiscuss
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];
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return view('admin.news.discussIndex', $data);
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}
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/**
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* AJAX获取评论列表
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* @return array
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*/
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public function getDisscussList(Request $request, $nId = 0)
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{
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$count = NewsDiscuss::where('n_id', $nId)->count();
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$newsCate = self::newsDiscussList($nId);
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$data = [
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'count' => $count,
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'cate' => $newsCate
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];
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return $data;
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}
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/**
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* 切换新闻评论显示状态
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*
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* @return
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*/
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public function discussShowToggle(Request $request, $id = 0)
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{
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if($id !=0) {
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$discuss = NewsDiscuss::find($id);
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$discuss->status = 1 - intval($discuss->status);
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$result = $discuss->save();
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return $result ? $this->success('显示状态改变成功！') : $this->error('显示状态改变失败！');
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} else {
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return $this->error('ID传参错误');
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}
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}
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/**
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* 删除新闻评论
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*
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* @return
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*/
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public function discussDel(Request $request, $id = 0)
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{
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if($id !=0) {
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$result = NewsDiscuss::destroy($id);
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return $result ? $this->success('删除成功！') : $this->error('删除失败！');
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} else {
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return $this->error('ID传参错误');
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}
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}
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}
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