在 Yii 2.0 中，一键多渠道发布(即在一个接口请求中，批量调用多个接口请求) 的实现

1、在之前的发布界面上，一次发布仅支持一个渠道，因此，3 个渠道的发布需要分别调用 3 次接口(APP、网易号、微博)，如图1

图1

2、在现在的发布界面上，准备一次发布可发布至多个渠道上，原型，如图2

图2

3、在渠道发布接口中，每一个渠道的任务(文章)的发布是隔离开的，不支持在一次发布中，发布至多个渠道，如图3

图3

4、现阶段需要支持在一次发布中，发布至多个渠道。渠道发布提供一个一键多渠道发布的接口。有 2 种方案，第 1 种方案：在接口内部通过 HTTP 调用其他渠道的发布接口。第 2 种方案：在接口内部的控制器动作中调用其他控制器动作。因为，一个接口的入口本质是控制器动作。最终决定采纳第 2 种方案。

5、编辑 /api/controllers/TaskGroupController.php，覆盖 afterAction() 方法。在其中运行其他操作ID。

<?php
/**
 * Created by PhpStorm.
 * User: Qiang Wang
 * Date: 2020/03/16
 * Time: 14:47
 */

namespace api/controllers;

use Yii;
use yii/base/InvalidConfigException;
use yii/db/Exception;
use yii/rest/ActiveController;

/**
 * Class TaskGroupController
 * @package api/controllers
 *
 * @author Qiang Wang <shuijingwanwq@163.com>
 * @since 1.0
 */
class TaskGroupController extends ActiveController
{
    public $serializer = [
        'class' => 'api/rests/task_group/Serializer',
        'collectionEnvelope' => 'items',
    ];

    /**
     * @inheritdoc
     */
    public function actions()
    {
        $actions = parent::actions();
        // 禁用"view"、"update"、"delete"、"options"动作
        unset($actions['view'], $actions['update'], $actions['delete'], $actions['options']);
        $actions['index']['class'] = 'api/rests/task_group/IndexAction';
        $actions['create']['class'] = 'api/rests/task_group/CreateAction';
        return $actions;
    }

    /**
     * {@inheritdoc}
     * @throws InvalidConfigException if a registered parser does not implement the [[RequestParserInterface]].
     * @throws Exception execution failed
     */
    public function afterAction($action, $result)
    {
        if ($action->id == 'create' && $result['code'] === 10000) {

            // 返回所有请求参数
            $request = Yii::$app->request;
            $requestParams = $request->getBodyParams();

            // 添加请求参数
            $requestParams['task_group']['id'] = $result['data']['id'];
            $requestParams['task_group']['uuid'] = $result['data']['uuid'];
            $request->setBodyParams($requestParams);
            $requestParams = $request->getBodyParams();

            // 运行操作ID：index
            $this->runAction('index');
        }

        return parent::afterAction($action, $result);
    }
}

6、请求：IndexAction，报错：Method Not Allowed，Method Not Allowed. This URL can only handle the following request methods: GET, HEAD.由此看来，在接口内部的控制器动作中调用其他控制器动作。是会受到请求类型的限制的。而基于安全考虑，暂时不允许放开相应的限制。如图4

图4

{
    "name": "Method Not Allowed",
    "message": "Method Not Allowed. This URL can only handle the following request methods: GET, HEAD.",
    "code": 0,
    "status": 405,
    "type": "yii//web//MethodNotAllowedHttpException"
}

7、而且每一个渠道的发布接口是分布于 qq、wx 等独立的一个个应用中，在 api 应用中是无法运行 qq、wx 等应用下的操作ID的。因此，决定采纳第 1 种方案：在接口内部通过 HTTP 调用其他渠道的发布接口。如图5

图5

8、编辑 /api/controllers/TaskGroupController.php，在 behaviors() 方法中添加过滤器：taskGroupFilter

<?php
/**
 * Created by PhpStorm.
 * User: Qiang Wang
 * Date: 2020/03/16
 * Time: 14:47
 */

namespace api/controllers;

use api/filters/TaskGroupFilter;
use yii/rest/ActiveController;

/**
 * Class TaskGroupController
 * @package api/controllers
 *
 * @author Qiang Wang <shuijingwanwq@163.com>
 * @since 1.0
 */
class TaskGroupController extends ActiveController
{
    public $serializer = [
        'class' => 'api/rests/task_group/Serializer',
        'collectionEnvelope' => 'items',
    ];

    /**
     * {@inheritdoc}
     */
    public function behaviors()
    {
        $behaviors = parent::behaviors();
        $behaviors['taskGroupFilter'] = [
            'class' => TaskGroupFilter::className(),
            'only' => ['create'],
        ];
        return $behaviors;
    }

    /**
     * @inheritdoc
     */
    public function actions()
    {
        $actions = parent::actions();
        // 禁用"view"、"update"、"delete"、"options"动作
        unset($actions['view'], $actions['update'], $actions['delete'], $actions['options']);
        $actions['index']['class'] = 'api/rests/task_group/IndexAction';
        $actions['create']['class'] = 'api/rests/task_group/CreateAction';
        return $actions;
    }
}

9、任务组(即一键多渠道发布)过滤器，新建 /api/filters/TaskGroupFilter.php

<?php
/**
 * Created by PhpStorm.
 * User: Qiang Wang
 * Date: 2020/03/18
 * Time: 16:27
 */

namespace api/filters;

use Yii;
use api/services/TaskGroupService;
use yii/base/ActionFilter;
use yii/base/InvalidConfigException;
use yii/httpclient/Exception;

/**
 * 任务组(即一键多渠道发布)过滤器
 * @package api/filters
 *
 * @author Qiang Wang <shuijingwanwq@163.com>
 * @since 1.0
 */
class TaskGroupFilter extends ActionFilter
{
    /**
     * {@inheritdoc}
     *
     * @throws Exception
     * @throws InvalidConfigException
     */
    public function afterAction($action, $result)
    {
        if ($result['code'] === 10000) {

            // 返回所有请求参数
            $request = Yii::$app->request;
            $requestParams = $request->getBodyParams();

            // 添加请求参数
            $requestParams['task_group']['id'] = $result['data']['id'];
            $requestParams['task_group']['uuid'] = $result['data']['uuid'];

            /* 操作数据(一键发布至多渠道)(同步) */
            TaskGroupService::createMultipleSync($requestParams);
        }

        return parent::afterAction($action, $result);
    }
}

10、实现任务组服务类的一键发布至多渠道(同步)方法。暂时仅实现了企鹅号、微信。createMultipleSync($requestParams)，编辑 /common/services/TaskGroupService.php

<?php
/**
 * Created by PhpStorm.
 * User: Qiang Wang
 * Date: 2020/03/18
 * Time: 10:23
 */

namespace common/services;

use common/logics/ArticleType;
use common/logics/Task;
use common/logics/WxArticle;
use common/logics/WxArticleNews;
use Yii;
use common/logics/Channel;
use common/logics/QqArticleNormal;
use common/logics/http/channel_pub_api/Article as HttpChannelPubApiArticle;
use yii/base/InvalidConfigException;
use yii/httpclient/Exception;
use yii/web/ServerErrorHttpException;

/**
 * Class TaskGroupService
 * @package common/services
 *
 * @author Qiang Wang <shuijingwanwq@163.com>
 * @since 1.0
 */
class TaskGroupService extends Service
{
    /**
     * 创建任务组
     * @param object $model 对象
     *
     * @param bool $runValidation 保存记录之前是否执行验证 (调用 [[validate()]])，默认为 true
     *
     * @return array
     * 格式如下：
     *
     * [
     *     'status' => true, // 成功
     *     'data' => [ // object
     *     ]
     * ]
     *
     * [
     *     'status' => false, // 失败
     *     'code' => 202184, // 返回码
     *     'message' => '', // 说明
     * ]
     *
     * @throws ServerErrorHttpException
     */
    public function create($model, $runValidation = true)
    {
        if ($model->save($runValidation)) {
            return ['status' => true, 'data' => $model];
        } elseif ($model->hasErrors()) {
            $firstError = '';
            foreach ($model->getFirstErrors() as $message) {
                $firstError = $message;
                break;
            }
            return ['status' => false, 'code' => 202184, 'message' => Yii::t('error', Yii::t('error', Yii::t('error', '202184'), ['first_error' => $firstError]))];
        } elseif (!$model->hasErrors()) {
            throw new ServerErrorHttpException('Failed to create the object (task group) for unknown reason.');
        }
    }

    /**
     * 一键发布至多渠道(同步)
     *
     * @param array $requestParams 请求参数
     *
     * @throws Exception
     * @throws InvalidConfigException
     */
    public static function createMultipleSync($requestParams)
    {
        // 请求数据
        $requestDatas = [];

        // 判断渠道：企鹅号是否存在，准备对应渠道的数据
        if (isset($requestParams[Channel::CODE_QQ])) {
            foreach ($requestParams[Channel::CODE_QQ] as $key => $value) {
                $value['source'] = $requestParams['task_group']['source'];
                $value['source_uuid'] = $requestParams['task_group']['source_uuid'];
                $value['source_pub_user_id'] = $requestParams['task_group']['source_pub_user_id'];
                $value['source_callback_url'] = $requestParams['task_group']['source_callback_url'];
                $value['task_group_id'] = $requestParams['task_group']['id'];
                $value['task_group_uuid'] = $requestParams['task_group']['uuid'];
                $value['cover_pics'] = $value['covers'] ?? [];
                $value['apply'] = $value['original'] ?? QqArticleNormal::APPLY_DEFAULT;
                unset($value['covers'], $value['original']);

                $requestDatas[] = [
                    'url' => 'qq/v1/articles/standard',
                    'data' => $value,
                ];
            }
        }

        // 判断渠道：微信公众帐号是否存在，准备对应渠道的数据
        if (isset($requestParams[Channel::CODE_WX])) {
            foreach ($requestParams[Channel::CODE_WX] as $key => $value) {
                $value['app_ids'] = $value['channel_app_source_uuids'] ?? [];
                $value['source'] = $requestParams['task_group']['source'];
                $value['source_uuid'] = $requestParams['task_group']['source_uuid'];
                $value['source_pub_user_id'] = $requestParams['task_group']['source_pub_user_id'];
                $value['source_callback_url'] = $requestParams['task_group']['source_callback_url'];
                $value['task_group_id'] = $requestParams['task_group']['id'];
                $value['task_group_uuid'] = $requestParams['task_group']['uuid'];
                $value['thumb'] = $value['covers'][0] ?? '';
                $value['show_cover_pic'] = $value['cover_show'] ?? WxArticleNews::SHOW_COVER_PIC_DEFAULT;
                $value['url'] = $value['source_url'] ?? '';
                unset($value['covers'], $value['cover_show'], $value['source_url']);

                $value['code'] = ArticleType::CODE_STANDARD;
                $value['type'] = Task::TYPE_PUB;
                $value['wx_send_type'] = WxArticle::WX_SEND_TYPE_MASS;

                $requestDatas[] = [
                    'url' => 'wx/v1/wx-articles/article',
                    'data' => $value,
                ];
            }
        }

        // 批量发布文章类型：标准(普通、图文)的文章
        $httpChannelPubApiArticle = new HttpChannelPubApiArticle();
        $httpChannelPubApiArticle->batchPostArticlesStandard(Yii::$app->params['groupId'], $requestDatas);
    }

}

11、实现 HTTP 模型类，渠道发布接口的基础类。新建 /common/logics/http/channel_pub_api/Model.php

<?php
/**
 * Created by PhpStorm.
 * User: Qiang Wang
 * Date: 2020/03/20
 * Time: 13:56
 */

namespace common/logics/http/channel_pub_api;

use Yii;
use yii/httpclient/Client;
use yii/httpclient/CurlTransport;
use yii/web/ServerErrorHttpException;

/**
 * 渠道发布接口的基础类
 *
 * @author Qiang Wang <shuijingwanwq@163.com>
 * @since 1.0
 */
class Model extends /yii/base/Model
{
    private $_httpClient;

    /*
     * 创建 HTTP 客户端对象
     *
     * @return object the created object
     * @throws InvalidConfigException if a registered parser does not implement the [[RequestParserInterface]].
     */
    public function getHttpClient()
    {
        if (!is_object($this->_httpClient)) {
            $this->_httpClient = Yii::createObject([
                'class' => Client::className(),
                'baseUrl' => Yii::$app->params['channelPubApi']['hostInfo'] . Yii::$app->params['channelPubApi']['baseUrl'],
                'requestConfig' => [
                    'format' => Client::FORMAT_JSON
                ],
                'transport' => CurlTransport::className(),
            ]);
        }
        return $this->_httpClient;
    }

    /*
     * 响应对象的处理
     *
     * @param object $response 响应对象
     *
     * @return array|bool
     *
     * 格式如下：
     *
     * 渠道发布接口的响应信息
     * [
     *     'message' => '', //说明
     *     'data' => [], //数据
     * ]
     *
     * 失败(将错误保存在 [[yii/base/Model::errors]] 属性中)
     * false
     *
     * @throws ServerErrorHttpException 如果响应状态码不等于20x
     */
    public function responseHandler($response)
    {
        // 检查响应状态码是否等于20x
        $responseCode = $response->data['code'] ?? 0; // 返回码
        if ($response->isOk) {
            // 检查业务逻辑是否成功
            if ($responseCode === 10000) {
                return ['message' => $response->data['message'], 'data' => $response->data['data']];
            } else {
                $this->addError('id', Yii::t('error', Yii::t('error', Yii::t('error', '202186'), ['code' => $responseCode, 'message' => $response->data['message']])));
                return !$this->hasErrors();
            }
        } else {
            $responseMessage = $response->data['message'] ?? ''; // 说明
            throw new ServerErrorHttpException(Yii::t('error', Yii::t('error', Yii::t('error', '202185'), ['status_code' => $response->statusCode, 'code' => $responseCode, 'message' => $responseMessage])), 202185);
        }
    }
}

12、实现 HTTP 模型类，渠道发布接口的文章。批量发布文章类型：标准(普通、图文)的文章。新建 /common/logics/http/channel_pub_api/Article.php

<?php
/**
 * Created by PhpStorm.
 * User: Qiang Wang
 * Date: 2020/03/20
 * Time: 14:19
 */

namespace common/logics/http/channel_pub_api;

use Yii;
use yii/base/InvalidConfigException;
use yii/httpclient/Client;
use yii/httpclient/Exception;

/**
 * 渠道发布接口的文章
 *
 * @author Qiang Wang <shuijingwanwq@163.com>
 * @since 1.0
 */
class Article extends Model
{
    /**
     * 批量发布文章类型：标准(普通、图文)的文章
     *
     * @param string $groupId 租户ID
     * @param array $requestDatas 请求数据
     *
     * @throws Exception
     * @throws InvalidConfigException
     */
    public function batchPostArticlesStandard($groupId, $requestDatas)
    {

        $client = new Client();

        $requests = [];

        foreach ($requestDatas as $requestData) {
            $requests[] = $this->httpClient->createRequest()
                ->setMethod('post')
                ->setUrl($requestData['url'] . '?group_id=' . $groupId)
                ->setData($requestData['data']);
        }

        $client->batchSend($requests);
    }
}

13、POST 请求：http://api.channel-pub-api.localhost/v1/task-groups?group_id=015ce30b116ce86058fa6ab4fea4ac63 。创建任务组(即一键多渠道发布)。成功响应。如图6

图6

{
"source": {
"channel_app_source_uuids": [
"55f62c8c67fc11ea809554ee75d2ebc1",
"36cf694a67fc11eaa79d54ee75d2ebc1",
"29473624681311eaab8e54ee75d2ebc1"
],
"title": "北京小汤山医院启用，设千张床位",
"content": "3月16日晚拍摄的北京小汤山医院局部（无人机照片）。记者从北京市疫情防控领导小组获悉，为做好境外输入人员疫情防控工作，3月16日起，启用北京小汤山医院。医院设床位1000余张，将主要用于境外来（返）京人员中需筛查人员、疑似病例及轻型、普通型确诊患者的筛查和治疗。",
"source": "spider",
"source_uuid": "825e6d5e36468cc4bf536799ce3565cf",
"source_pub_user_id": 1,
"source_callback_url": "http://scms.wjdev.chinamcloud.cn/api/thirdPush/callBack",
"task_group_source_article_id": 1,
"baijia_source_article_id": 2,
"baijia_author": "鞠焕宗",
"baijia_covers": [
"http://pic-bucket.ws.126.net/photo/0001/2020-03-17/F7TNMMRG00AN0001NOS.jpg",
"http://pic-bucket.ws.126.net/photo/0001/2020-03-17/F7TNMMRH00AN0001NOS.jpg",
"http://pic-bucket.ws.126.net/photo/0001/2020-03-17/F7TNMMRI00AN0001NOS.jpg"
],
"baijia_original": 0,
"baijia_original_url": "http://news.163.com/photoview/00AN0001/2307424.html",
"netease_source_article_id": 3,
"netease_author": "鞠焕宗",
"netease_article_category_id": 417,
"netease_covers": [
"http://pic-bucket.ws.126.net/photo/0001/2020-03-17/F7TNMMRG00AN0001NOS.jpg",
"http://pic-bucket.ws.126.net/photo/0001/2020-03-17/F7TNMMRH00AN0001NOS.jpg",
"http://pic-bucket.ws.126.net/photo/0001/2020-03-17/F7TNMMRI00AN0001NOS.jpg"
],
"netease_cover_type": "threeImg",
"netease_original": 0,
"qq_source_article_id": 4,
"qq_author": "鞠焕宗",
"qq_article_category_id": 24,
"qq_tag": "北京,疫情,防控,境外,输入,小汤山,医院",
"qq_covers": [
"http://pic-bucket.ws.126.net/photo/0001/2020-03-17/F7TNMMRG00AN0001NOS.jpg",
"http://pic-bucket.ws.126.net/photo/0001/2020-03-17/F7TNMMRH00AN0001NOS.jpg",
"http://pic-bucket.ws.126.net/photo/0001/2020-03-17/F7TNMMRI00AN0001NOS.jpg"
],
"qq_cover_type": 3,
"qq_original": 0,
"qq_original_platform": 0,
"qq_original_url": "",
"qq_original_author": "",
"weibo_source_article_id": 5,
"weibo_summary": "记者从北京市疫情防控领导小组获悉，为做好境外输入人员疫情防控工作，3月16日起，启用北京小汤山医院。医院设床位1000余张，将主要用于境外来（返）京人员中需筛查人员、疑似病例及轻型、普通型确诊患者的筛查和治疗。",
"weibo_link_content": "记者从北京市疫情防控领导小组获悉，为做好境外输入人员疫情防控工作，3月16日起，启用北京小汤山医院。医院设床位1000余张，将主要用于境外来（返）京人员中需筛查人员、疑似病例及轻型、普通型确诊患者的筛查和治疗。",
"weibo_covers": [
"http://pic-bucket.ws.126.net/photo/0001/2020-03-17/F7TNMMRG00AN0001NOS.jpg"
],
"wx_source_article_id": 6,
"wx_author": "鞠焕宗",
"wx_covers": [
"http://pic-bucket.ws.126.net/photo/0001/2020-03-17/F7TNMMRG00AN0001NOS.jpg"
],
"wx_cover_show": 1,
"wx_description": "记者从北京市疫情防控领导小组获悉，为做好境外输入人员疫情防控工作，3月16日起，启用北京小汤山医院。医院设床位1000余张，将主要用于境外来（返）京人员中需筛查人员、疑似病例及轻型、普通型确诊患者的筛查和治疗。",
"wx_source_url": "http://news.163.com/photoview/00AN0001/2307424.html",
"toutiao_source_article_id": 7,
"toutiao_source_url": "http://news.163.com/photoview/00AN0001/2307424.html"
},
"task_group": {
"source": "spider",
"source_uuid": "825e6d5e36468cc4bf536799ce3565cf",
"source_pub_user_id": 1,
"source_callback_url": "http://scms.wjdev.chinamcloud.cn/api/thirdPush/callBack",
"source_article_id": 1
},
"baijia": [
{
"channel_app_source_uuids": [
"29473624681311eaab8e54ee75d2ebc1"
],
"title": "北京小汤山医院启用，设千张床位",
"content": "3月16日晚拍摄的北京小汤山医院局部（无人机照片）。记者从北京市疫情防控领导小组获悉，为做好境外输入人员疫情防控工作，3月16日起，启用北京小汤山医院。医院设床位1000余张，将主要用于境外来（返）京人员中需筛查人员、疑似病例及轻型、普通型确诊患者的筛查和治疗。",
"source_article_id": 2,
"author": "鞠焕宗",
"covers": [
"http://pic-bucket.ws.126.net/photo/0001/2020-03-17/F7TNMMRG00AN0001NOS.jpg",
"http://pic-bucket.ws.126.net/photo/0001/2020-03-17/F7TNMMRH00AN0001NOS.jpg",
"http://pic-bucket.ws.126.net/photo/0001/2020-03-17/F7TNMMRI00AN0001NOS.jpg"
],
"original": 0,
"original_url": "http://news.163.com/photoview/00AN0001/2307424.html"
}
],
"netease": [
{
"channel_app_source_uuids": [
"29473624681311eaab8e54ee75d2ebc1"
],
"title": "北京小汤山医院启用，设千张床位",
"content": "3月16日晚拍摄的北京小汤山医院局部（无人机照片）。记者从北京市疫情防控领导小组获悉，为做好境外输入人员疫情防控工作，3月16日起，启用北京小汤山医院。医院设床位1000余张，将主要用于境外来（返）京人员中需筛查人员、疑似病例及轻型、普通型确诊患者的筛查和治疗。",
"source_article_id": 3,
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14、查看 api 应用的 Log Messages，分别请求了 2 次 企鹅号与 1 次 微信。如图7

图7

15、查看 qq 应用的 Log Messages，分别请求了 2 次 企鹅号。如图8

图8

16、查看 wx 应用的 Log Messages，分别请求了 1 次 微信。图9

图9

17、查看 MySQl 表中的数据，分别写入了 2 次 企鹅号与 1 次 微信。符合预期。其他渠道按照相类似的规则皆可以如此处理。如图10

图10