调整分类

app/Admin/Controllers/Article/IndexController.php

@@ -2,6 +2,7 @@
 
 namespace App\Admin\Controllers\Article;
 
+use App\Admin\Selectable\CategorySelectAble;
 use App\Models\Article;
 use App\Models\Category;
 use Encore\Admin\Controllers\AdminController;
@@ -33,7 +34,9 @@ class IndexController extends AdminController
 
         $grid->column('id', '#ID#');
         $grid->column('cover', '封面图片')->image('', 100);
-        $grid->column('category.title', '所属分类');
+        $grid->column('所属分类')->display(function () {
+            return $this->categories()->pluck('title');
+        })->label();
         $grid->column('title', '文章标题');
         $grid->column('sort', '序号');
         $states = [
@@ -51,20 +54,16 @@ class IndexController extends AdminController
         $form = new Form(new Article);
 
         $form->text('title', '文章标题')->rules('min:2');
-        $form->select('category_id', '所属分类')
+
-             ->options(Category::selectOptions(function ($model) {
+        $form->belongsToMany('categories', CategorySelectAble::class, __('关联分类'));
-                 return $model->where('status', 1)->whereIn('type', [Category::TYPE_ARTICLE, Category::TYPE_SHOW]);
+
-             }, '选择分类'))
-             ->rules('required|min:1', [
-                 'required' => '必须选择所属分类',
-                 'min'      => '必须选择所属分类',
-             ]);
         $form->textarea('description', '内容简介');
         $form->text('tenure', '任期')->help('领导班子需要添加此数据');
         $form->image('cover', '封面')
              ->move('images/' . date('Y/m/d'))
              ->removable()
              ->uniqueName();
+
         $form->ueditor('content', '文章内容')->rules('required', ['required' => '详情不能为空']);
         $form->number('sort', '序号')->default(0)->rules('required', ['required' => '序号必须填写'])->help('倒序优先');
         $states = [
@@ -75,6 +74,22 @@ class IndexController extends AdminController
 
         $form->switch('status', '状态')->states($states)->default(1);
 
+        //        $form->saved(function (Form $form) {
+        //            $category_ids = request()->category_ids;
+        //            if ($category_ids) {
+        //                $categories = [];
+        //                foreach ($category_ids as $key => $category_id) {
+        //                    if ($category_id) {
+        //                        $form->model()->article_categories()->updateOrCreate([
+        //                            'category_id' => $category_id,
+        //                        ]);
+        //                        $categories[] = $category_id;
+        //                    }
+        //                }
+        //                $form->model()->article_categories()->whereNotIn('category_id', $categories)->delete();
+        //            }
+        //        });
+
         return $form;
     }
 

app/Admin/Controllers/Category/IndexController.php

@@ -37,9 +37,11 @@ class IndexController extends AdminController
                 $form->select('type', '分类类型')
                      ->options(Category::TYPES)
                      ->when('show', function (WidgetsForm $form) {
+                         //                         $form->text('article_id', '关联文章');
+
                          $form->select('article_id', '关联文章')
                               ->options(function ($option, $info) {
-                                  return Article::whereHas('category', function ($q) {
+                                  return Article::whereHas('categories', function ($q) {
                                       $q->where('type', 'show');
                                   })->pluck('title', 'id');
                               })->help('当分类类型是文章详情的时候需要选择关联文章');
@@ -103,7 +105,7 @@ class IndexController extends AdminController
              ->when('show', function (Form $form) {
                  $form->select('article_id', '关联文章')
                       ->options(function ($option, $info) {
-                          return Article::whereHas('category', function ($q) {
+                          return Article::whereHas('categories', function ($q) {
                               $q->where('type', 'show');
                           })->pluck('title', 'id');
                       })->help('当分类类型是文章详情的时候需要选择关联文章');

app/Admin/Selectable/CategorySelectAble.php

@@ -0,0 +1,37 @@
+<?php
+
+namespace App\Admin\Selectable;
+
+use App\Models\Category;
+use Encore\Admin\Grid\Filter;
+use Encore\Admin\Grid\Selectable;
+
+class CategorySelectAble extends Selectable
+{
+
+    public $model = Category::class;
+
+    public static function display()
+    {
+        return function ($value) {
+            if (is_array($value)) {
+                return implode(';', array_column($value, 'title'));
+            }
+
+            return optional($this->categories)->title;
+        };
+    }
+
+    public function make()
+    {
+        $this->model()->where('status', 1);
+
+        $this->column('id', 'ID');
+        $this->column('title', '分类名称');
+
+        $this->filter(function (Filter $filter) {
+            $filter->like('title', '分类名称');
+        });
+    }
+
+}

app/Helpers/function.php

@@ -49,7 +49,12 @@ function getOneCategory($categoryId, $return = '')
  */
 function getOneArticleBYCate($categoryId, $result = '')
 {
-    $info = Article::where('category_id', $categoryId)->latest('sort')->latest()->first();
+    $info = Article::latest('sort')
+                   ->whereHas('categories', function ($q) use ($categoryId) {
+                       $q->where('id', $categoryId);
+                   })
+                   ->latest()
+                   ->first();
 
     if ($info) {
         if ($result) {
@@ -78,8 +83,10 @@ function getOneArticleBYCate($categoryId, $result = '')
 function getArticlesBYCate($categoryId, $take = 8, $mark = 'one', $hasCover = false, $order = 'desc')
 {
     if ($mark == 'one') {
-        $articles = Article::where('category_id', $categoryId)
+        $articles = Article::where('status', 1)
-                           ->where('status', 1)
+                           ->whereHas('categories', function ($q) use ($categoryId) {
+                               $q->where('id', $categoryId);
+                           })
                            ->orderBy('sort', $order)
                            ->when($hasCover, function ($q) {
                                $q->whereNotNull('cover');
@@ -90,8 +97,10 @@ function getArticlesBYCate($categoryId, $take = 8, $mark = 'one', $hasCover = fa
         $cate = Category::find($categoryId);
         $ids  = $cate->getAllChildrenId();
 
-        $articles = Article::whereIn('category_id', $ids)
+        $articles = Article::where('status', 1)
-                           ->where('status', 1)
+                           ->whereHas('categories', function ($q) use ($ids) {
+                               $q->whereIN('id', $ids);
+                           })
                            ->when($hasCover, function ($q) {
                                $q->whereNotNull('cover');
                            })
@@ -157,11 +166,13 @@ function getArticlesByCateIds($take = 8, $hasCover = false)
 {
     $ids = [7, 17, 8, 5, 12, 30];
 
-    $articles = Article::whereIn('category_id', $ids)
+    $articles = Article::where('status', 1)
-                       ->where('status', 1)
+                       ->whereHas('categories', function ($q) use ($ids) {
+                           $q->whereIN('id', $ids);
+                       })
                        ->latest()
                        ->when($hasCover, function ($q) {
-                           $q->whereNotNull('cover');
+                           $q->whereNotNull('cover')->orWhere('cover', '<>', '');
                        })
                        ->take($take)
                        ->get();

app/Http/Controllers/ArticleController.php

@@ -16,17 +16,15 @@ class ArticleController extends Controller
      */
     public function show(Article $article)
     {
-        $parent = $category = $article->category;
+        $categories = $article->categories;
-        if ($category->id) {
-            $parent = getTopCate($category->id);
-        }
-
         $next       = Article::where('id', '>', $article->id)
-                       ->where('category_id', $article->category_id)
+                             ->whereHas('categories', function ($q) use ($categories) {
+                                 $q->whereIN('id', $categories->pluck('id'));
+                             })
                              ->where('status', 1)
                              ->first();
 
-        return view('article.show', compact('article', 'next', 'parent', 'category'));
+        return view('article.show', compact('article', 'next'));
 
     }
 
@@ -38,7 +36,6 @@ class ArticleController extends Controller
                            ->when($title, function ($q) use ($title) {
                                $q->where('title', 'like', "%{$title}%");
                            })
-                           ->where('category_id', '>', 0)
                            ->paginate();
 
         return view('article.search', compact('articles'));

app/Http/Controllers/IndexController.php

@@ -16,26 +16,17 @@ class IndexController extends Controller
      */
     public function index()
     {
-        $fydt  = $this->getArticle([6], 9);                 //分院动态
+        return view('index.index');
-        $kydt  = $this->getArticle([9], 9);                 //科研动态
-        $ldbz  = $this->getArticle([3], 4);                 //领导班子
-        $kycg  = $this->getArticle([10], 8);                //科研成果
-        $rctd  = $this->getArticle([4], 9);                 //人才团队介绍
-        $info  = Article::where('category_id', 2)->first(); //院所介绍
-        $links = Link::get();
-
-        $advert        = Advert::where('category_id', 26)->latest('sort')->first();
-        $center_advert = Advert::where('category_id', 28)->latest('sort')->first();
-
-        return view('index.index', compact('advert', 'center_advert', 'fydt', 'kydt', 'ldbz', 'kycg', 'rctd', 'info'));
     }
 
     //通用获取文章
     public function getArticle($category_ids, $take = 3)
     {
-        return Article::whereIn('category_id', $category_ids)
+        return Article::latest('sort')
+                      ->whereHas('categories', function ($q) use ($category_ids) {
+                          $q->where('id', $category_ids);
+                      })
                       ->select('id', 'description', 'title', 'created_at', 'cover', 'content')
-                      ->latest('sort')
                       ->latest()
                       ->take($take)
                       ->get();

app/Models/Article.php

@@ -4,18 +4,21 @@ namespace App\Models;
 
 use App\Models\Traits\BelongsToCategory;
 use App\Models\Traits\HasOneCover;
+use Illuminate\Database\Eloquent\Relations\BelongsToMany;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+use Illuminate\Support\Arr;
 
 class Article extends Model
 {
 
-    use HasOneCover, BelongsToCategory;
+    use HasOneCover;
 
-    public function getLinkAttribute()
+    public function getLinkAttribute(): string
     {
         return route('article.show', $this);
     }
 
-    public function get_content_cover()
+    public function get_content_cover(): string
     {
         preg_match("/<img.*?src=\"([^\"]+)\"[^>].*?>/isU", str_ireplace("\\", "", $this->content), $matches);
 
@@ -26,6 +29,22 @@ class Article extends Model
         }
     }
 
+    /**
+     * Notes: 关联分类的中间表
+     * @Author: 玄尘
+     * @Date  : 2021/4/1 15:19
+     */
+    public function article_categories(): HasMany
+    {
+        return $this->hasMany(ArticleCategory::class);
+    }
+
+    public function categories(): BelongsToMany
+    {
+        return $this->belongsToMany(Category::class)
+                    ->using(ArticleCategory::class);
+    }
+
     /**
      * Notes: 获取一个默认图片
      * @Author: 玄尘

app/Models/ArticleCategory.php

@@ -0,0 +1,11 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Relations\Pivot;
+
+class ArticleCategory extends Pivot
+{
+
+    //
+}

app/Models/Category.php

@@ -4,6 +4,7 @@ namespace App\Models;
 
 use Encore\Admin\Traits\AdminBuilder;
 use Encore\Admin\Traits\ModelTree;
+use Illuminate\Database\Eloquent\Relations\BelongsToMany;
 
 class Category extends Model
 {
@@ -35,7 +36,7 @@ class Category extends Model
                 return $this->belongsTo(Article::class);
                 break;
             case self::TYPE_ARTICLE:
-                return $this->hasMany(Article::class);
+                return $this->belongsToMany(Article::class);
                 break;
             case self::TYPE_ADVERT:
                 return $this->hasMany(Advert::class);
@@ -55,9 +56,9 @@ class Category extends Model
         return $this->hasOne(self::class, 'id', 'parent_id');
     }
 
-    public function article()
+    public function articles(): BelongsToMany
     {
-        return $this->belongsTo(Article::class);
+        return $this->belongsToMany(Article::class);
     }
 
     /**

database/migrations/2021_04_01_151442_create_article_categories_table.php

@@ -0,0 +1,32 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class CreateArticleCategoriesTable extends Migration
+{
+
+    /**
+     * Run the migrations.
+     * @return void
+     */
+    public function up()
+    {
+        Schema::create('article_category', function (Blueprint $table) {
+            $table->foreignId('article_id');
+            $table->foreignId('category_id');
+            $table->timestamps();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     * @return void
+     */
+    public function down()
+    {
+        Schema::dropIfExists('article_categories');
+    }
+
+}

resources/views/article/show.blade.php

@@ -7,16 +7,15 @@
     <div class="survey" style="background-image: url(/assets/index/images/bannerBack.jpg);">
         <div class="container">
             <div class="row">
-                @include('category.left')
+                <div class="col-xs-12 col-md-12 secondRight">
-                <div class="col-xs-12 col-md-9 secondRight">
                     <!-- 分院新闻 -->
-                    <div class="surveyCont">
+                    {{--                    <div class="surveyCont">--}}
-                        <div class="secondTop">
+                    {{--                        <div class="secondTop">--}}
-                            <div class="secondTop-name">
+                    {{--                            <div class="secondTop-name">--}}
-                                <img src="/assets/index/images/newsIcon_00.png"/>
+                    {{--                                <img src="/assets/index/images/newsIcon_00.png"/>--}}
-                                {{ $category->title }}
+                    {{--                                {{ $category->title }}--}}
-                            </div>
+                    {{--                            </div>--}}
-                        </div>
+                    {{--                        </div>--}}
                     <div class="Details">
                         <div class="Details-title">
                             {{ $article->title }}
@@ -26,7 +25,7 @@
 
                         </div>
                     </div>
-                    </div>
+                    {{--                    </div>--}}
                 </div>
             </div>
         </div>