增加课程推荐

2025-06-26 04:21:27 +08:00 · 2020-12-27 17:55:27 +08:00 · 2020-12-27 17:55:27 +08:00 · 0642d430ff
commit 0642d430ff
parent a633f74e55
15 changed files with 335 additions and 0 deletions
--- a/app/Caches/IndexFeaturedCourseList.php
+++ b/app/Caches/IndexFeaturedCourseList.php
@ -0,0 +1,118 @@
+<?php
+
+namespace App\Caches;
+
+use App\Models\Category as CategoryModel;
+use App\Models\Course as CourseModel;
+use App\Services\Category as CategoryService;
+use Phalcon\Mvc\Model\Resultset;
+use Phalcon\Mvc\Model\ResultsetInterface;
+
+/**
+ * 推荐课程
+ */
+class IndexFeaturedCourseList extends Cache
+{
+
+    protected $lifetime = 1 * 86400;
+
+    public function getLifetime()
+    {
+        return $this->lifetime;
+    }
+
+    public function getKey($id = null)
+    {
+        return 'index_featured_course_list';
+    }
+
+    public function getContent($id = null)
+    {
+        $categoryLimit = 5;
+
+        $courseLimit = 8;
+
+        $categories = $this->findCategories($categoryLimit);
+
+        if ($categories->count() == 0) {
+            return [];
+        }
+
+        $result = [];
+
+        foreach ($categories as $category) {
+
+            $item = [];
+
+            $item['category'] = [
+                'id' => $category->id,
+                'name' => $category->name,
+            ];
+
+            $item['courses'] = [];
+
+            $courses = $this->findCategoryCourses($category->id, $courseLimit);
+
+            if ($courses->count() == 0) {
+                continue;
+            }
+
+            $categoryCourses = [];
+
+            foreach ($courses as $course) {
+                $categoryCourses[] = [
+                    'id' => $course->id,
+                    'title' => $course->title,
+                    'cover' => $course->cover,
+                    'market_price' => $course->market_price,
+                    'vip_price' => $course->vip_price,
+                    'model' => $course->model,
+                    'level' => $course->level,
+                    'user_count' => $course->user_count,
+                    'lesson_count' => $course->lesson_count,
+                ];
+            }
+
+            $item['courses'] = $categoryCourses;
+
+            $result[] = $item;
+        }
+
+        return $result;
+    }
+
+    /**
+     * @param int $limit
+     * @return ResultsetInterface|Resultset|CategoryModel[]
+     */
+    protected function findCategories($limit = 5)
+    {
+        return CategoryModel::query()
+            ->where('type = :type:', ['type' => CategoryModel::TYPE_COURSE])
+            ->andWhere('level = 1 AND published = 1')
+            ->orderBy('priority ASC')
+            ->limit($limit)
+            ->execute();
+    }
+
+    /**
+     * @param int $categoryId
+     * @param int $limit
+     * @return ResultsetInterface|Resultset|CourseModel[]
+     */
+    protected function findCategoryCourses($categoryId, $limit = 8)
+    {
+        $categoryService = new CategoryService();
+
+        $categoryIds = $categoryService->getChildCategoryIds($categoryId);
+
+        return CourseModel::query()
+            ->inWhere('category_id', $categoryIds)
+            ->andWhere('published = 1')
+            ->andWhere('featured = 1')
+            ->orderBy('id DESC')
+            ->limit($limit)
+            ->execute();
+    }
+
+}
--- a/app/Caches/IndexSimpleFeaturedCourseList.php
+++ b/app/Caches/IndexSimpleFeaturedCourseList.php
@ -0,0 +1,70 @@
+<?php
+
+namespace App\Caches;
+
+use App\Models\Course as CourseModel;
+use Phalcon\Mvc\Model\Resultset;
+use Phalcon\Mvc\Model\ResultsetInterface;
+
+/**
+ * 简版推荐课程
+ */
+class IndexSimpleFeaturedCourseList extends Cache
+{
+
+    protected $lifetime = 1 * 86400;
+
+    public function getLifetime()
+    {
+        return $this->lifetime;
+    }
+
+    public function getKey($id = null)
+    {
+        return 'index_simple_featured_course_list';
+    }
+
+    public function getContent($id = null)
+    {
+        $limit = 8;
+
+        $courses = $this->findCourses($limit);
+
+        if ($courses->count() == 0) {
+            return [];
+        }
+
+        $result = [];
+
+        foreach ($courses as $course) {
+            $result[] = [
+                'id' => $course->id,
+                'title' => $course->title,
+                'cover' => $course->cover,
+                'market_price' => $course->market_price,
+                'vip_price' => $course->vip_price,
+                'model' => $course->model,
+                'level' => $course->level,
+                'user_count' => $course->user_count,
+                'lesson_count' => $course->lesson_count,
+            ];
+        }
+
+        return $result;
+    }
+
+    /**
+     * @param int $limit
+     * @return ResultsetInterface|Resultset|CourseModel[]
+     */
+    protected function findCourses($limit = 8)
+    {
+        return CourseModel::query()
+            ->where('published = 1')
+            ->andWhere('featured = 1')
+            ->orderBy('id DESC')
+            ->limit($limit)
+            ->execute();
+    }
+
+}
--- a/app/Http/Admin/Services/Course.php
+++ b/app/Http/Admin/Services/Course.php
@ -172,6 +172,10 @@ class Course extends Service
            }
        }

+        if (isset($post['featured'])) {
+            $data['featured'] = $validator->checkFeatureStatus($post['featured']);
+        }
+
        if (isset($post['published'])) {
            $data['published'] = $validator->checkPublishStatus($post['published']);
            if ($post['published'] == 1) {
--- a/app/Http/Admin/Views/course/list.volt
+++ b/app/Http/Admin/Views/course/list.volt
@ -59,6 +59,7 @@
            <col>
            <col>
            <col>
+            <col>
            <col width="10%">
        </colgroup>
        <thead>
@ -67,6 +68,7 @@
            <th>课时数</th>
            <th>用户数</th>
            <th>价格</th>
+            <th>推荐</th>
            <th>发布</th>
            <th>操作</th>
        </tr>
@ -101,6 +103,7 @@
                    <p>市场：{{ '￥%0.2f'|format(item.market_price) }}</p>
                    <p>会员：{{ '￥%0.2f'|format(item.vip_price) }}</p>
                </td>
+                <td><input type="checkbox" name="featured" value="1" lay-skin="switch" lay-text="是|否" lay-filter="featured" data-url="{{ update_url }}" {% if item.featured == 1 %}checked="checked"{% endif %}></td>
                <td><input type="checkbox" name="published" value="1" lay-skin="switch" lay-text="是|否" lay-filter="published" data-url="{{ update_url }}" {% if item.published == 1 %}checked="checked"{% endif %}></td>
                <td class="center">
                    <div class="layui-dropdown">
@ -129,4 +132,45 @@

    {{ partial('partials/pager') }}

+{% endblock %}
+
+{% block inline_js %}
+
+    <script>
+
+        layui.define(['jquery', 'form', 'layer'], function () {
+
+            var $ = layui.jquery;
+            var form = layui.form;
+            var layer = layui.layer;
+
+            form.on('switch(featured)', function (data) {
+                var checked = $(this).is(':checked');
+                var featured = checked ? 1 : 0;
+                var url = $(this).data('url');
+                var tips = featured === 1 ? '确定要推荐？' : '确定要取消推荐？';
+                layer.confirm(tips, function () {
+                    $.ajax({
+                        type: 'POST',
+                        url: url,
+                        data: {featured: featured},
+                        success: function (res) {
+                            layer.msg(res.msg, {icon: 1});
+                        },
+                        error: function (xhr) {
+                            var json = JSON.parse(xhr.responseText);
+                            layer.msg(json.msg, {icon: 2});
+                            data.elem.checked = !checked;
+                            form.render();
+                        }
+                    });
+                }, function () {
+                    data.elem.checked = !checked;
+                    form.render();
+                });
+            });
+        });
+
+    </script>
+
 {% endblock %}
--- a/app/Http/Admin/Views/course/search.volt
+++ b/app/Http/Admin/Views/course/search.volt
@ -54,6 +54,13 @@
                <input type="radio" name="free" value="0" title="否">
            </div>
        </div>
+        <div class="layui-form-item">
+            <label class="layui-form-label">推荐</label>
+            <div class="layui-input-block">
+                <input type="radio" name="featured" value="1" title="是">
+                <input type="radio" name="featured" value="0" title="否">
+            </div>
+        </div>
        <div class="layui-form-item">
            <label class="layui-form-label">发布</label>
            <div class="layui-input-block">
--- a/app/Http/Api/Controllers/IndexController.php
+++ b/app/Http/Api/Controllers/IndexController.php
@ -2,6 +2,7 @@

 namespace App\Http\Api\Controllers;

+use App\Caches\IndexSimpleFeaturedCourseList;
 use App\Caches\IndexSimpleFreeCourseList;
 use App\Caches\IndexSimpleNewCourseList;
 use App\Caches\IndexSimpleVipCourseList;
@ -25,6 +26,18 @@ class IndexController extends Controller
        return $this->jsonSuccess(['slides' => $slides]);
    }

+    /**
+     * @Get("/courses/featured", name="api.index.featured_courses")
+     */
+    public function featuredCoursesAction()
+    {
+        $cache = new IndexSimpleFeaturedCourseList();
+
+        $courses = $cache->get();
+
+        return $this->jsonSuccess(['courses' => $courses]);
+    }
+
    /**
     * @Get("/courses/new", name="api.index.new_courses")
     */
--- a/app/Http/Home/Controllers/IndexController.php
+++ b/app/Http/Home/Controllers/IndexController.php
@ -47,6 +47,7 @@ class IndexController extends Controller
        $this->view->pick('index/full');
        $this->view->setVar('lives', $service->getLives());
        $this->view->setVar('slides', $service->getSlides());
+        $this->view->setVar('featured_courses', $service->getFeaturedCourses());
        $this->view->setVar('new_courses', $service->getNewCourses());
        $this->view->setVar('free_courses', $service->getFreeCourses());
        $this->view->setVar('vip_courses', $service->getVipCourses());
@ -59,6 +60,7 @@ class IndexController extends Controller
        $this->view->pick('index/simple');
        $this->view->setVar('lives', $service->getLives());
        $this->view->setVar('slides', $service->getSlides());
+        $this->view->setVar('featured_courses', $service->getSimpleFeaturedCourses());
        $this->view->setVar('new_courses', $service->getSimpleNewCourses());
        $this->view->setVar('free_courses', $service->getSimpleFreeCourses());
        $this->view->setVar('vip_courses', $service->getSimpleVipCourses());
--- a/app/Http/Home/Services/Index.php
+++ b/app/Http/Home/Services/Index.php
@ -2,9 +2,11 @@

 namespace App\Http\Home\Services;

+use App\Caches\IndexFeaturedCourseList;
 use App\Caches\IndexFreeCourseList;
 use App\Caches\IndexLiveList;
 use App\Caches\IndexNewCourseList;
+use App\Caches\IndexSimpleFeaturedCourseList;
 use App\Caches\IndexSimpleFreeCourseList;
 use App\Caches\IndexSimpleNewCourseList;
 use App\Caches\IndexSimpleVipCourseList;
@ -61,6 +63,15 @@ class Index extends Service
        return $cache->get();
    }

+    public function getFeaturedCourses()
+    {
+        $cache = new IndexFeaturedCourseList();
+
+        $courses = $cache->get();
+
+        return $this->handleCategoryCourses($courses);
+    }
+
    public function getNewCourses()
    {
        $cache = new IndexNewCourseList();
@ -95,6 +106,13 @@ class Index extends Service
        return $cache->get();
    }

+    public function getSimpleFeaturedCourses()
+    {
+        $cache = new IndexSimpleFeaturedCourseList();
+
+        return $cache->get();
+    }
+
    public function getSimpleFreeCourses()
    {
        $cache = new IndexSimpleFreeCourseList();
--- a/app/Http/Home/Views/index/full.volt
+++ b/app/Http/Home/Views/index/full.volt
@ -45,6 +45,13 @@
        </div>
    </div>

+    <div class="index-wrap wrap">
+        <div class="header">推荐课程</div>
+        <div class="content">
+            {{ category_courses(featured_courses) }}
+        </div>
+    </div>
+
    <div class="index-wrap wrap">
        <div class="header">新上课程</div>
        <div class="content">
--- a/app/Http/Home/Views/index/simple.volt
+++ b/app/Http/Home/Views/index/simple.volt
@ -30,6 +30,13 @@
        </div>
    </div>

+    <div class="index-wrap wrap">
+        <div class="header">推荐课程</div>
+        <div class="content">
+            {{ show_courses(featured_courses) }}
+        </div>
+    </div>
+
    <div class="index-wrap wrap">
        <div class="header">新上课程</div>
        <div class="content">
--- a/app/Models/Course.php
+++ b/app/Models/Course.php
@ -165,6 +165,13 @@ class Course extends Model
     */
    public $attrs;

+    /**
+     * 推荐标识
+     *
+     * @var int
+     */
+    public $featured;
+
    /**
     * 发布标识
     *
@ -377,6 +384,7 @@ class Course extends Model
            'rating' => '好评',
            'latest' => '最新',
            'popular' => '最热',
+            'featured' => '推荐',
            'free' => '免费',
        ];
    }
--- a/app/Repos/Course.php
+++ b/app/Repos/Course.php
@ -67,6 +67,10 @@ class Course extends Repository
            }
        }

+        if (isset($where['featured'])) {
+            $builder->andWhere('featured = :featured:', ['featured' => $where['featured']]);
+        }
+
        if (isset($where['published'])) {
            $builder->andWhere('published = :published:', ['published' => $where['published']]);
        }
@ -77,6 +81,8 @@ class Course extends Repository

        if ($sort == 'free') {
            $builder->andWhere('market_price = 0');
+        } elseif ($sort == 'featured') {
+            $builder->andWhere('featured = 1');
        } elseif ($sort == 'vip_discount') {
            $builder->andWhere('vip_price < market_price');
            $builder->andWhere('vip_price > 0');
--- a/app/Validators/Course.php
+++ b/app/Validators/Course.php
@ -212,6 +212,15 @@ class Course extends Validator
        return $expiry;
    }

+    public function checkFeatureStatus($status)
+    {
+        if (!in_array($status, [0, 1])) {
+            throw new BadRequestException('course.invalid_feature_status');
+        }
+
+        return $status;
+    }
+
    public function checkPublishStatus($status)
    {
        if (!in_array($status, [0, 1])) {
--- a/config/errors.php
+++ b/config/errors.php
@ -114,6 +114,7 @@ $error['course.invalid_vip_price'] = '无效的会员价格（范围：0-10000
 $error['course.invalid_compare_price'] = '无效的比较定价（会员价格高于市场价格）';
 $error['course.invalid_study_expiry'] = '无效的学习期限';
 $error['course.invalid_refund_expiry'] = '无效的退款期限';
+$error['course.invalid_feature_status'] = '无效的推荐状态';
 $error['course.invalid_publish_status'] = '无效的发布状态';
 $error['course.pub_chapter_not_found'] = '尚未发现已发布的课时';
 $error['course.pub_chapter_not_enough'] = '已发布的课时太少（小于30%）';
--- a/db/migrations/20201227081614_schema_202012271615.php
+++ b/db/migrations/20201227081614_schema_202012271615.php
@ -0,0 +1,21 @@
+<?php
+
+use Phinx\Db\Adapter\MysqlAdapter;
+
+class Schema202012271615 extends Phinx\Migration\AbstractMigration
+{
+
+    public function change()
+    {
+        $this->table('kg_course')
+            ->addColumn('featured', 'integer', [
+                'null' => false,
+                'default' => '0',
+                'limit' => MysqlAdapter::INT_REGULAR,
+                'comment' => '推荐标识',
+                'after' => 'attrs',
+            ])
+            ->save();
+    }
+
+}