sina-video/app/wechat/service/MediaService.php

<?php



namespace app\wechat\service;

use think\admin\Service;
use think\admin\Storage;
use WeChat\Contracts\MyCurlFile;

/**
 * 微信素材管理
 * Class MediaService
 * @package app\wechat\service
 */
class MediaService extends Service
{
    /**
     * 通过图文ID读取图文信息
     * @param mixed $id 本地图文ID
     * @param array $map 额外的查询条件
     * @return array
     * @throws \think\db\exception\DataNotFoundException
     * @throws \think\db\exception\DbException
     * @throws \think\db\exception\ModelNotFoundException
     */
    public function news($id, array $map = []): array
    {
        // 文章主体数据
        $where = ['id' => $id, 'is_deleted' => 0];
        $data = $this->app->db->name('WechatNews')->where($where)->where($map)->find();
        if (empty($data)) return [];
        // 文章内容编号
        $data['articles'] = [];
        $data['articleids'] = str2arr($data['article_id']);
        if (empty($data['articleids'])) return $data;
        // 文章内容集合
        $query = $this->app->db->name('WechatNewsArticle');
        $query->whereIn('id', $data['articleids'])->orderField('id', $data['articleids']);
        $data['articles'] = $query->withoutField('create_by,create_at')->select()->toArray();
        return $data;
    }

    /**
     * 上传图片永久素材
     * @param string $url 文件地址
     * @param string $type 文件类型
     * @param array $video 视频信息
     * @return string media_id
     * @throws \WeChat\Exceptions\InvalidResponseException
     * @throws \WeChat\Exceptions\LocalCacheException
     * @throws \think\admin\Exception
     * @throws \think\db\exception\DataNotFoundException
     * @throws \think\db\exception\DbException
     * @throws \think\db\exception\ModelNotFoundException
     */
    public function upload(string $url, string $type = 'image', array $video = []): string
    {
        $map = ['md5' => md5($url), 'appid' => WechatService::instance()->getAppid()];
        if (($mediaId = $this->app->db->name('WechatMedia')->where($map)->value('media_id'))) return $mediaId;
        $result = WechatService::WeChatMedia()->addMaterial(self::_buildCurlFile($url), $type, $video);
        data_save('WechatMedia', [
            'local_url' => $url, 'md5' => $map['md5'], 'type' => $type, 'appid' => $map['appid'],
            'media_url' => $result['url'] ?? '', 'media_id' => $result['media_id'],
        ], 'type', $map);
        return $result['media_id'];
    }

    /**
     * 创建 CURL 文件对象
     * @param string $local 文件路径或网络地址
     * @return MyCurlFile
     * @throws \WeChat\Exceptions\LocalCacheException
     */
    private function _buildCurlFile(string $local): MyCurlFile
    {
        if (file_exists($local)) {
            return new MyCurlFile($local);
        } else {
            return new MyCurlFile(Storage::down($local)['file']);
        }
    }
}