设计弹幕部分

app/Caches/UserDailyCounter.php

@@ -24,6 +24,7 @@ class UserDailyCounter extends Counter
         return [
             'favorite_count' => 0,
             'comment_count' => 0,
+            'danmu_count' => 0,
             'consult_count' => 0,
             'order_count' => 0,
             'chapter_vote_count' => 0,

app/Http/Web/Controllers/ChapterController.php

@@ -24,10 +24,23 @@ class ChapterController extends Controller
 
         $chapter = $service->handle($id);
 
+        $owned = $chapter['me']['owned'] ?? false;
+
+        if (!$owned) {
+            $this->response->redirect([
+                'for' => 'web.course.show',
+                'id' => $chapter['course']['id'],
+            ]);
+        }
+
         $service = new CourseChapterListService();
 
         $chapters = $service->handle($chapter['course']['id']);
 
+        $this->siteSeo->prependTitle([$chapter['title'], $chapter['course']['title']]);
+        $this->siteSeo->setKeywords($chapter['title']);
+        $this->siteSeo->setDescription($chapter['summary']);
+
         if ($chapter['model'] == 'vod') {
             $this->view->pick('chapter/show_vod');
         } elseif ($chapter['model'] == 'live') {

app/Http/Web/Controllers/CourseController.php

@@ -87,6 +87,10 @@ class CourseController extends Controller
 
         $rewardOptions = $service->handle();
 
+        $this->siteSeo->prependTitle($course['title']);
+        $this->siteSeo->setKeywords($course['keywords']);
+        $this->siteSeo->setDescription($course['summary']);
+
         $this->view->setVar('course', $course);
         $this->view->setVar('chapters', $chapters);
         $this->view->setVar('teachers', $teachers);

app/Http/Web/Controllers/DanmuController.php

@@ -0,0 +1,30 @@
+<?php
+
+namespace App\Http\Web\Controllers;
+
+use App\Services\Frontend\Danmu\DanmuCreate as DanmuCreateService;
+use App\Services\Frontend\Danmu\DanmuInfo as DanmuInfoService;
+
+/**
+ * @RoutePrefix("/danmu")
+ */
+class DanmuController extends Controller
+{
+
+    /**
+     * @Post("/create", name="web.danmu.create")
+     */
+    public function createAction()
+    {
+        $service = new DanmuCreateService();
+
+        $danmu = $service->handle();
+
+        $service = new DanmuInfoService();
+
+        $danmu = $service->handle($danmu->id);
+
+        return $this->jsonSuccess(['danmu' => $danmu]);
+    }
+
+}

app/Http/Web/Controllers/ImController.php

@@ -51,9 +51,9 @@ class ImController extends LayerController
     }
 
     /**
-     * @Get("/msg/sys/unread/count", name="web.im.unread_sys_msg_count")
+     * @Get("/msg/sys/unread", name="web.im.unread_sys_msg")
      */
-    public function unreadSystemMessagesCountAction()
+    public function unreadSystemMessagesAction()
     {
         $service = new ImService();
 

app/Http/Web/Services/Im.php

@@ -498,7 +498,7 @@ class Im extends Service
         /**
          * 避免频繁推送消息
          */
-        if ($onlinePushTime && time() - $onlinePushTime > 600) {
+        if ($onlinePushTime && time() - $onlinePushTime < 600) {
             return;
         }
 

app/Http/Web/Views/chapter/show_live.volt

@@ -17,7 +17,9 @@
 
     <div class="layout-main">
         <div class="layout-content">
-            <div id="player" class="player container"></div>
+            <div class="player-container container">
+                <div id=player"></div>
+            </div>
         </div>
         <div class="layout-sidebar">
             <div class="chat-container">
@@ -32,12 +34,12 @@
                             {% if auth_user.id > 0 %}
                                 <div class="chat-msg-form">
                                     <form class="layui-form" method="post" action="{{ send_msg_url }}">
-                                        <input class="layui-input" type="text" name="content" maxlength="80" placeholder="快来和大家一起互动吧~" lay-verType="tips" lay-verify="required">
+                                        <input class="layui-input" type="text" name="content" maxlength="50" placeholder="快来一起互动吧" lay-verType="tips" lay-verify="required">
                                         <button class="layui-hide" type="submit" lay-submit="true" lay-filter="chat">发送</button>
                                     </form>
                                 </div>
                             {% else %}
-                                <div class="chat-login-tips">登录后才可以发言哦～</div>
+                                <div class="chat-login-tips">登录后才可以发言哦</div>
                             {% endif %}
                         </div>
                         <div class="layui-tab-item" id="tab-stats" data-url="{{ live_stats_url }}"></div>

app/Http/Web/Views/chapter/show_vod.volt

@@ -13,7 +13,25 @@
 
     <div class="layout-main clearfix">
         <div class="layout-content">
-            <div id="player" class="player container"></div>
+            <div class="player-container container">
+                <div id="player"></div>
+                <div id="danmu"></div>
+            </div>
+            <div class="danmu-action container">
+                <form class="layui-form" action="{{ url({'for':'web.danmu.create'}) }}">
+                    <div class="layui-input-inline" style="width: 100px;">
+                        <input type="checkbox" name="status" title="弹幕" checked="checked" lay-filter="status">
+                    </div>
+                    <div class="layui-input-inline" style="width: 655px;">
+                        {% if auth_user.id > 0 %}
+                            <input class="layui-input" type="text" name="text" maxlength="50" placeholder="快来发个弹幕吧" lay-verType="tips" lay-verify="required">
+                        {% else %}
+                            <input class="layui-input" type="text" name="text" placeholder="登录后才可以发送弹幕哦" readonly="readonly">
+                        {% endif %}
+                        <button class="layui-hide" type="submit" lay-submit="true" lay-filter="chat">发送</button>
+                    </div>
+                </form>
+            </div>
         </div>
         <div class="layout-sidebar">
             {{ partial('chapter/menu') }}
@@ -33,6 +51,8 @@
 
     <script src="//imgcache.qq.com/open/qcloud/video/vcplayer/TcPlayer-2.3.2.js"></script>
 
+    {{ js_include('lib/jquery.min.js') }}
+    {{ js_include('lib/jquery.danmu.min.js') }}
     {{ js_include('web/js/vod.player.js') }}
 
 {% endblock %}

app/Library/Seo.php

@@ -47,12 +47,16 @@ class Seo
 
     public function appendTitle($text)
     {
-        $this->title = $this->title . $this->titleSeparator . $text;
+        $append = is_array($text) ? implode($this->titleSeparator, $text) : $text;
+
+        $this->title = $this->title . $this->titleSeparator . $append;
     }
 
     public function prependTitle($text)
     {
-        $this->title = $text . $this->titleSeparator . $this->title;
+        $prepend = is_array($text) ? implode($this->titleSeparator, $text) : $text;
+
+        $this->title = $prepend . $this->titleSeparator . $this->title;
     }
 
     public function getTitle()

app/Listeners/UserDailyCounter.php

@@ -26,6 +26,11 @@ class UserDailyCounter extends Listener
         $this->counter->hIncrBy($user->id, 'comment_count');
     }
 
+    public function incrDanmuCount(Event $event, $source, UserModel $user)
+    {
+        $this->counter->hIncrBy($user->id, 'danmu_count');
+    }
+
     public function incrConsultCount(Event $event, $source, UserModel $user)
     {
         $this->counter->hIncrBy($user->id, 'consult_count');

app/Models/Danmu.php

@@ -0,0 +1,157 @@
+<?php
+
+namespace App\Models;
+
+use Phalcon\Mvc\Model\Behavior\SoftDelete;
+
+class Danmu extends Model
+{
+
+    /**
+     * 字号类型
+     */
+    const SIZE_SMALL = 0; // 小号
+    const SIZE_BIG = 1; // 大号
+
+    /**
+     * 位置类型
+     */
+    const POS_MOVE = 0; // 滚动
+    const POS_TOP = 1; // 顶部
+    const POS_BOTTOM = 2; // 底部
+
+    /**
+     * 主键编号
+     *
+     * @var int
+     */
+    public $id;
+
+    /**
+     * 课程编号
+     *
+     * @var int
+     */
+    public $course_id;
+
+    /**
+     * 章节编号
+     *
+     * @var int
+     */
+    public $chapter_id;
+
+    /**
+     * 用户编号
+     *
+     * @var int
+     */
+    public $user_id;
+
+    /**
+     * 内容
+     *
+     * @var string
+     */
+    public $text;
+
+    /**
+     * 颜色
+     *
+     * @var string
+     */
+    public $color;
+
+    /**
+     * 字号
+     *
+     * @var int
+     */
+    public $size;
+
+    /**
+     * 位置
+     *
+     * @var int
+     */
+    public $position;
+
+    /**
+     * 时间轴
+     *
+     * @var int
+     */
+    public $time;
+
+    /**
+     * 发布标识
+     *
+     * @var int
+     */
+    public $published;
+
+    /**
+     * 删除标识
+     *
+     * @var int
+     */
+    public $deleted;
+
+    /**
+     * 创建时间
+     *
+     * @var int
+     */
+    public $create_time;
+
+    /**
+     * 更新时间
+     *
+     * @var int
+     */
+    public $update_time;
+
+    public function getSource(): string
+    {
+        return 'kg_danmu';
+    }
+
+    public function initialize()
+    {
+        parent::initialize();
+
+        $this->addBehavior(
+            new SoftDelete([
+                'field' => 'deleted',
+                'value' => 1,
+            ])
+        );
+    }
+
+    public function beforeCreate()
+    {
+        $this->create_time = time();
+    }
+
+    public function beforeUpdate()
+    {
+        $this->update_time = time();
+    }
+
+    public static function sizeTypes()
+    {
+        return [
+            '0' => '小号',
+            '1' => '大号',
+        ];
+    }
+
+    public static function positionTypes()
+    {
+        return [
+            '0' => '滚动',
+            '1' => '顶部',
+            '２' => '底部',
+        ];
+    }
+}

app/Repos/Danmu.php

@@ -0,0 +1,85 @@
+<?php
+
+namespace App\Repos;
+
+use App\Library\Paginator\Adapter\QueryBuilder as PagerQueryBuilder;
+use App\Models\Danmu as DanmuModel;
+use Phalcon\Mvc\Model;
+use Phalcon\Mvc\Model\Resultset;
+use Phalcon\Mvc\Model\ResultsetInterface;
+
+class Danmu extends Repository
+{
+
+    public function paginate($where = [], $sort = 'latest', $page = 1, $limit = 15)
+    {
+        $builder = $this->modelsManager->createBuilder();
+
+        $builder->from(DanmuModel::class);
+
+        $builder->where('1 = 1');
+
+        if (!empty($where['id'])) {
+            $builder->andWhere('id = :id:', ['id' => $where['id']]);
+        }
+
+        if (!empty($where['course_id'])) {
+            $builder->andWhere('course_id = :course_id:', ['course_id' => $where['course_id']]);
+        }
+
+        if (!empty($where['chapter_id'])) {
+            $builder->andWhere('chapter_id = :chapter_id:', ['chapter_id' => $where['chapter_id']]);
+        }
+
+        if (!empty($where['user_id'])) {
+            $builder->andWhere('user_id = :user_id:', ['user_id' => $where['user_id']]);
+        }
+
+        if (isset($where['published'])) {
+            $builder->andWhere('published = :published:', ['published' => $where['published']]);
+        }
+
+        if (isset($where['deleted'])) {
+            $builder->andWhere('deleted = :deleted:', ['deleted' => $where['deleted']]);
+        }
+
+        switch ($sort) {
+            default:
+                $orderBy = 'id DESC';
+                break;
+        }
+
+        $builder->orderBy($orderBy);
+
+        $pager = new PagerQueryBuilder([
+            'builder' => $builder,
+            'page' => $page,
+            'limit' => $limit,
+        ]);
+
+        return $pager->paginate();
+    }
+
+    /**
+     * @param int $id
+     * @return DanmuModel|Model|bool
+     */
+    public function findById($id)
+    {
+        return DanmuModel::findFirst($id);
+    }
+
+    /**
+     * @param array $ids
+     * @param string|array $columns
+     * @return ResultsetInterface|Resultset|DanmuModel[]
+     */
+    public function findByIds($ids, $columns = '*')
+    {
+        return DanmuModel::query()
+            ->columns($columns)
+            ->inWhere('id', $ids)
+            ->execute();
+    }
+
+}

app/Services/Frontend/Danmu/DanmuCreate.php

@@ -0,0 +1,56 @@
+<?php
+
+namespace App\Services\Frontend\Danmu;
+
+use App\Models\Danmu as DanmuModel;
+use App\Models\User as UserModel;
+use App\Services\Frontend\ChapterTrait;
+use App\Services\Frontend\Service as FrontendService;
+use App\Validators\Danmu as DanmuValidator;
+use App\Validators\UserDailyLimit as UserDailyLimitValidator;
+
+class DanmuCreate extends FrontendService
+{
+
+    use ChapterTrait;
+
+    public function handle()
+    {
+        $post = $this->request->getPost();
+
+        $user = $this->getLoginUser();
+
+        $chapter = $this->checkChapter($post['chapter_id']);
+
+        $validator = new UserDailyLimitValidator();
+
+        $validator->checkDanmuLimit($user);
+
+        $validator = new DanmuValidator();
+
+        $danmu = new DanmuModel();
+
+        $data = [];
+
+        $data['text'] = $validator->checkText($post['text']);
+        $data['time'] = $validator->checkTime($post['time']);
+
+        $data['course_id'] = $chapter->course_id;
+        $data['chapter_id'] = $chapter->id;
+        $data['user_id'] = $user->id;
+        $data['color'] = 'white';
+        $data['published'] = 1;
+
+        $danmu->create($data);
+
+        $this->incrUserDailyDanmuCount($user);
+
+        return $danmu;
+    }
+
+    protected function incrUserDailyDanmuCount(UserModel $user)
+    {
+        $this->eventsManager->fire('userDailyCounter:incrDanmuCount', $this, $user);
+    }
+
+}

app/Services/Frontend/Danmu/DanmuInfo.php

@@ -0,0 +1,46 @@
+<?php
+
+namespace App\Services\Frontend\Danmu;
+
+use App\Models\Danmu as DanmuModel;
+use App\Repos\User as UserRepo;
+use App\Services\Frontend\DanmuTrait;
+use App\Services\Frontend\Service as FrontendService;
+
+class DanmuInfo extends FrontendService
+{
+
+    use DanmuTrait;
+
+    public function handle($id)
+    {
+        $danmu = $this->checkDanmu($id);
+
+        return $this->handleDanmu($danmu);
+    }
+
+    protected function handleDanmu(DanmuModel $danmu)
+    {
+        $result = [
+            'id' => $danmu->id,
+            'text' => $danmu->text,
+            'color' => $danmu->color,
+            'size' => $danmu->size,
+            'position' => $danmu->position,
+            'time' => $danmu->time,
+        ];
+
+        $userRepo = new UserRepo();
+
+        $user = $userRepo->findById($danmu->user_id);
+
+        $result['user'] = [
+            'id' => $user->id,
+            'name' => $user->name,
+            'avatar' => $user->avatar,
+        ];
+
+        return $result;
+    }
+
+}

app/Services/Frontend/DanmuTrait.php

@@ -0,0 +1,17 @@
+<?php
+
+namespace App\Services\Frontend;
+
+use App\Validators\Danmu as DanmuValidator;
+
+trait DanmuTrait
+{
+
+    public function checkDanmu($id)
+    {
+        $validator = new DanmuValidator();
+
+        return $validator->checkDanmu($id);
+    }
+
+}

app/Validators/Danmu.php

@@ -0,0 +1,86 @@
+<?php
+
+namespace App\Validators;
+
+use App\Exceptions\BadRequest as BadRequestException;
+use App\Models\Danmu as DanmuModel;
+use App\Repos\Danmu as DanmuRepo;
+
+class Danmu extends Validator
+{
+
+    public function checkDanmu($id)
+    {
+        $danmuRepo = new DanmuRepo();
+
+        $danmu = $danmuRepo->findById($id);
+
+        if (!$danmu) {
+            throw new BadRequestException('danmu.not_found');
+        }
+
+        return $danmu;
+    }
+
+    public function checkChapter($id)
+    {
+        $validator = new Chapter();
+
+        return $validator->checkChapter($id);
+    }
+
+    public function checkText($text)
+    {
+        $value = $this->filter->sanitize($text, ['trim', 'string']);
+
+        $length = kg_strlen($value);
+
+        if ($length < 1) {
+            throw new BadRequestException('danmu.text_too_short');
+        }
+
+        if ($length > 100) {
+            throw new BadRequestException('danmu.text_too_long');
+        }
+
+        return $value;
+    }
+
+    public function checkSize($size)
+    {
+        $list = DanmuModel::sizeTypes();
+
+        if (!isset($list[$size])) {
+            throw new BadRequestException('danmu.invalid_size');
+        }
+
+        return $size;
+    }
+
+    public function checkPosition($pos)
+    {
+        $list = DanmuModel::positionTypes();
+
+        if (!isset($list[$pos])) {
+            throw new BadRequestException('danmu.invalid_position');
+        }
+
+        return $pos;
+    }
+
+    public function checkTime($time)
+    {
+        $value = (int)$time;
+
+        if ($value < 0) {
+            throw new BadRequestException('danmu.invalid_time');
+        }
+
+        if ($value > 3 * 3600) {
+            throw new BadRequestException('danmu.invalid_time');
+        }
+
+        return $value;
+    }
+
+}

app/Validators/UserDailyLimit.php

@@ -38,6 +38,17 @@ class UserDailyLimit extends Validator
         }
     }
 
+    public function checkDanmuLimit(UserModel $user)
+    {
+        $count = $this->counter->hGet($user->id, 'danmu_count');
+
+        $limit = $user->vip ? 100 : 50;
+
+        if ($count > $limit) {
+            throw new BadRequestException('user_daily_limit.reach_danmu_limit');
+        }
+    }
+
     public function checkConsultLimit(UserModel $user)
     {
         $count = $this->counter->hGet($user->id, 'consult_count');

public/static/web/css/common.css

@@ -778,7 +778,19 @@
     margin-bottom: 0;
 }
 
-.player {
+.danmu-action {
+    padding: 15px 20px;
+    margin-bottom: 0;
+}
+
+.danmu-action .layui-input {
+    height: 32px;
+    line-height: 32px;
+    font-size: 12px;
+}
+
+.player-container {
+    position: relative;
     width: 760px;
     height: 428px;
 }
@@ -1425,30 +1437,16 @@
     color: #999;
 }
 
-.layui-layim-list li .msg-count, .layim-chat-list li .msg-count {
-    position: absolute;
-    color: white;
-    background-color: red;
-}
-
 .layui-layim-list li .msg-count {
+    position: absolute;
     top: 10px;
     right: 10px;
-    padding: 2px 5px;
-    line-height: 16px;
-    height: 16px;
-    border-radius: 2px;
-    font-size: 12px;
 }
 
 .layim-chat-list li .msg-count {
+    position: absolute;
     top: 5px;
     right: 30px;
-    padding: 1px 3px;
-    line-height: 12px;
-    height: 12px;
-    border-radius: 2px;
-    font-size: 10px;
 }
 
 .layim-chat-status .online {

public/static/web/js/im.js

@@ -68,7 +68,7 @@ layui.use(['jquery', 'layim'], function () {
                 layui.each(group.list, function (j, user) {
                     var $li = $('.layui-layim-list > .layim-friend' + user.id);
                     if (user.msg_count > 0) {
-                        $li.append('<em class="msg-count">' + user.msg_count + '</em>');
+                        $li.append('<em class="msg-count layui-badge">' + user.msg_count + '</em>');
                     }
                 });
             });
@@ -140,7 +140,7 @@ layui.use(['jquery', 'layim'], function () {
             var count = parseInt($msgCount.text());
             $msgCount.text(count + 1).removeClass('layui-hide');
         } else {
-            $li.append('<em class="msg-count">1</em>');
+            $li.append('<em class="msg-count layui-badge">1</em>');
         }
     }
 
@@ -196,7 +196,7 @@ layui.use(['jquery', 'layim'], function () {
     function refreshMessageBox() {
         $.ajax({
             type: 'GET',
-            url: '/im/msg/sys/unread/count',
+            url: '/im/msg/sys/unread',
             success: function (res) {
                 if (res.count > 0) {
                     layim.msgbox(res.count);

public/static/web/js/vod.player.js

@@ -1,6 +1,7 @@
-layui.use(['jquery', 'helper'], function () {
+layui.use(['jquery', 'form', 'helper'], function () {
 
     var $ = layui.jquery;
+    var form = layui.form;
     var helper = layui.helper;
 
     var interval = null;
@@ -31,7 +32,6 @@ layui.use(['jquery', 'helper'], function () {
         options.m3u8_sd = playUrls.sd.url;
     }
 
-    if (userId !== '0' && planId !== '0') {
     options.listener = function (msg) {
         if (msg.type === 'play') {
             start();
@@ -40,8 +40,7 @@ layui.use(['jquery', 'helper'], function () {
         } else if (msg.type === 'end') {
             stop();
         }
-        }
-    }
+    };
 
     var player = new TcPlayer('player', options);
 
@@ -49,20 +48,61 @@ layui.use(['jquery', 'helper'], function () {
         player.currentTime(position);
     }
 
+    $('#danmu').danmu({
+        left: 20,
+        top: 20,
+        width: 750,
+        height: 380
+    });
+
+    //再添加三个弹幕
+    $("#danmu").danmu("addDanmu", [
+        {text: "这是滚动弹幕", color: "white", size: 0, position: 0, time: 120}
+        , {text: "这是顶部弹幕", color: "yellow", size: 0, position: 1, time: 120}
+        , {text: "这是底部弹幕", color: "red", size: 0, position: 2, time: 120}
+    ]);
+
+    form.on('checkbox(status)', function (data) {
+        if (data.elem.checked) {
+            $('#danmu').danmu('setOpacity', 1);
+        } else {
+            $('#danmu').danmu('setOpacity', 0);
+        }
+    });
+
+    form.on('submit(chat)', function (data) {
+        $.ajax({
+            type: 'POST',
+            url: data.form.action,
+            data: {
+                text: data.field.text,
+                time: player.currentTime(),
+                chapter_id: chapterId,
+            },
+            success: function (res) {
+                showDanmu(res);
+            }
+        });
+        return false;
+    });
+
     function start() {
         if (interval != null) {
             clearInterval(interval);
             interval = null;
         }
         interval = setInterval(learning, intervalTime);
+        startDanmu();
     }
 
     function stop() {
         clearInterval(interval);
         interval = null;
+        pauseDanmu();
     }
 
     function learning() {
+        if (userId !== '0' && planId !== '0') {
             $.ajax({
                 type: 'POST',
                 url: learningUrl,
@@ -75,5 +115,33 @@ layui.use(['jquery', 'helper'], function () {
                 }
             });
         }
+    }
+
+    function startDanmu() {
+        $('#danmu').danmu('danmuStart');
+    }
+
+    function pauseDanmu() {
+        $('#danmu').danmu('danmuPause');
+    }
+
+    function showDanmu(res) {
+        /*
+        $('#danmu').danmu('addDanmu', {
+            text: res.danmu.text,
+            color: res.danmu.color,
+            size: res.danmu.size,
+            time: res.danmu.time,
+            position: res.danmu.position,
+            isnew: 1
+        });
+        */
+        $("#danmu").danmu("addDanmu", [
+            {text: "这是滚动弹幕", color: "white", size: 0, position: 0, time: 300}
+            , {text: "这是顶部弹幕", color: "yellow", size: 0, position: 0, time: 300}
+            , {text: "这是底部弹幕", color: "red", size: 0, position: 0, time: 300}
+        ]);
+        $('input[name=text]').val('');
+    }
 
 });