wx.sstbc.com/app/Models/Course.php

<?php


namespace App\Models;


use EasyWeChat\Factory;
use EasyWeChat\Kernel\Http\StreamResponse;
use Illuminate\Filesystem\Filesystem;
use Illuminate\Support\Facades\Log;

class Course extends SoftDeletesModel
{
    protected $appends = [
        'date_status',
        'publicize',
        'sign_date_status',
        // qrcode 不自动 append：列表/关联序列化时会调微信，易导致接口 500
        'teacher_detail',
        'status_text',
        'is_fee_text',
        'is_arrange_text',
        'show_txl_text',
        'show_mobile_text',
        'auto_schoolmate_text',
        'free_enter_schoolmate_text',
        'is_virtual_text'
    ];

    protected $casts = ['publicize_ids' => 'json'];

    public function getStatusTextAttribute()
    {
        $array = [0 => '待发布', 1 => '已发布'];
        return $array[$this->attributes['status'] ?? 0] ?? '';
    }

    public function getIsFeeTextAttribute()
    {
        $array = [0 => '免费', 1 => '收费'];
        return $array[$this->attributes['is_fee'] ?? 0] ?? '';
    }

    public function getIsArrangeTextAttribute()
    {
        $array = [0 => '否', 1 => '是'];
        return $array[$this->attributes['is_arrange'] ?? 0] ?? '';
    }

    public function getShowTxlTextAttribute()
    {
        $array = [0 => '否', 1 => '是'];
        return $array[$this->attributes['show_txl'] ?? 0] ?? '';
    }

    public function getShowMobileTextAttribute()
    {
        $array = [0 => '否', 1 => '是'];
        return $array[$this->attributes['show_mobile'] ?? 0] ?? '';
    }

    public function getAutoSchoolmateTextAttribute()
    {
        $array = [0 => '否', 1 => '是'];
        return $array[$this->attributes['auto_schoolmate'] ?? 0] ?? '';
    }

    public function getFreeEnterSchoolmateTextAttribute()
    {
        $array = [0 => '否', 1 => '是'];
        return $array[$this->attributes['free_enter_schoolmate'] ?? 0] ?? '';
    }

    public function getIsVirtualTextAttribute()
    {
        $array = [0 => '否', 1 => '是'];
        return $array[$this->attributes['is_virtual'] ?? 0] ?? '';
    }


    public function getQrcodeAttribute($value)
    {
        try {
            return $this->getCourseQrcode($this->attributes['id']);
        } catch (\Throwable $e) {
            Log::warning('course qrcode append failed', [
                'course_id' => $this->attributes['id'] ?? null,
                'message' => $e->getMessage(),
            ]);
            return '';
        }
    }

    public function getTeacherDetailAttribute($value)
    {
        if (empty($this->teacher_id)) {
            return collect();
        }
        $teacherIds = explode(',', $this->teacher_id);
        return Teacher::whereIn('id', $teacherIds)->get();
    }

    public function getPublicizeAttribute($value)
    {
        if (empty($this->publicize_ids))
            return [];
        return Upload::whereIn('id', $this->publicize_ids)->get();
    }

    public function getDateStatusAttribute()
    {
        $text = '课程未开始';
        if ($this->course_status == 10) {
            $text = '课程进行中';
        }
        if ($this->course_status == 40) {
            $text = '课程已结束';
        }
        return $text;
    }

    public function getSignDateStatusAttribute()
    {
        $text = '未开始';
        if ($this->sign_status == 10) {
            $text = '进行中';
        }
        if ($this->sign_status == 40) {
            $text = '已结束';
        }
        return $text;
    }

    public function typeDetail()
    {
        return $this->hasOne(CourseType::class, 'id', 'type');
    }

    public function courseForms()
    {
        return $this->hasMany(CourseForm::class, 'course_id', 'id');
    }

    public function teacher()
    {
        return $this->hasOne(Teacher::class, 'id', 'teacher_id');
    }

    public function courseSettings()
    {
        return $this->hasMany(CourseSetting::class, 'course_id', 'id');
    }

    public function coursePeriods()
    {
        return $this->hasMany(CoursePeriod::class, 'course_id', 'id');
    }

    public function courseSigns()
    {
        return $this->hasMany(CourseSign::class, 'course_id', 'id');
    }

    public function image()
    {
        return $this->hasOne(Upload::class, 'id', 'image_id');
    }

    public function qunImage()
    {
        return $this->hasOne(Upload::class, 'id', 'qun_image_id');
    }

    public function courseContents()
    {
        return $this->hasMany(CourseContent::class, 'course_id', 'id');
    }

    public function courseContentEvaluation()
    {
        return $this->hasMany(CourseContentEvaluation::class, 'course_id', 'id');
    }

    /**
     * 更新课程报名状态
     */
    public static function updateSignStatus($courseId)
    {
        // 进行中-未开始-已结束
        $now = date('Y-m-d');
        $course = Course::find($courseId);
        // 默认未开始
        $sign_status = 30;
        if ($course->sign_start_date && $now < $course->sign_start_date) {
            // 未开始
            $sign_status = 20;
        }
        if ($course->sign_start_date && $now >= $course->sign_start_date) {
            // 进行中
            $sign_status = 10;
        }
        if ($course->sign_end_date && $now > $course->sign_end_date) {
            // 已结束
            $sign_status = 40;
        }
        $course->sign_status = $sign_status;
        $course->save();
        return $course;
    }

    /**
     * 更新课程状态
     */
    public static function updateStatus($courseId)
    {
        // 进行中-未开始-已结束
        $now = date('Y-m-d');
        $course = Course::find($courseId);
        // 默认待定
        $course_status = 30;
        if ($course->start_date && $now < $course->start_date) {
            // 未开始
            $course_status = 20;
        }
        if ($course->start_date && $now >= $course->start_date) {
            // 进行中
            $course_status = 10;
        }
        if ($course->end_date && $now > $course->end_date) {
            // 已结束
            $course_status = 40;
        }
        $course->course_status = $course_status;
        $course->save();
        return $course;
    }

    /**
     * 获取课程详情小程序码
     * @param mixed $courseId
     * @param bool $generate 是否在文件不存在时尝试生成
     */
    public function getCourseQrcode($courseId, $generate = true)
    {
        $course = Course::find($courseId);
        if (empty($course)) {
            return '';
        }
        return $this->resolveMiniProgramQrcode(
            'course_qrcode/' . $course->id . '.png',
            'packages/course/detail?id=' . $courseId,
            ['course_id' => $courseId],
            $generate
        );
    }

    /**
     * 获取课程报名小程序码
     */
    public function getCourseCheckQrcode($courseId, $generate = true)
    {
        $course = Course::find($courseId);
        if (empty($course)) {
            return '';
        }
        return $this->resolveMiniProgramQrcode(
            'course_check_qrcode/' . $course->id . '.png',
            'packages/sign/course?course_id=' . $courseId,
            ['course_id' => $courseId],
            $generate
        );
    }

    /**
     * 获取问卷小程序码
     */
    public function getEvaluationQrcode($id, $generate = true)
    {
        $courseContentEvaluation = CourseContentEvaluation::find($id);
        if (empty($courseContentEvaluation)) {
            return '';
        }
        return $this->resolveMiniProgramQrcode(
            'course_evaluation_qrcode/' . $courseContentEvaluation->id . '.png',
            'packages/surveyFill/index?id=' . $id,
            ['evaluation_id' => $id],
            $generate
        );
    }

    /**
     * 读取或生成小程序码；微信/缓存失败时返回空字符串，避免列表接口 500
     */
    protected function resolveMiniProgramQrcode(string $relativePath, string $page, array $context = [], bool $generate = true): string
    {
        $path = config('filesystems.disks.public.root') . '/' . $relativePath;
        $url = config('filesystems.disks.public.url') . '/' . $relativePath;
        $fileSys = new Filesystem();
        if ($fileSys->exists($path)) {
            return $url;
        }

        if (!$generate) {
            return '';
        }

        $appId = (string) config('app.applet_appid');
        $secret = (string) config('app.applet_secret');
        if ($appId === '' || $secret === '') {
            Log::warning('mini program qrcode skipped: missing appid/secret', $context);
            return '';
        }

        try {
            $app = Factory::miniProgram([
                'app_id' => $appId,
                'secret' => $secret,
            ]);
            $tmp = $app->app_code->get($page, [
                'env_version' => 'release',
            ]);
            $content = $tmp instanceof StreamResponse ? $tmp->getBodyContents() : (string) $tmp;
            if ($content === '' || str_starts_with(ltrim($content), '{')) {
                Log::warning('mini program qrcode invalid response', $context + [
                    'body' => substr($content, 0, 300),
                ]);
                return '';
            }
            $fileSys->ensureDirectoryExists(dirname($path), 0755, true);
            $fileSys->put($path, $content);
            return $url;
        } catch (\Throwable $e) {
            Log::warning('mini program qrcode failed', $context + [
                'message' => $e->getMessage(),
            ]);
            return '';
        }
    }

    /**
     * 获取课程统计项元数据
     * 返回每个统计项的计算逻辑和验证方法说明
     * 从 statistics_metadata 表中读取
     * @return array
     */
    public static function getStatisticsMetadata()
    {
        return StatisticsMetadata::getAllAsArray();
    }

}