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<?php
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namespace App\Models;
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use EasyWeChat\Factory;
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use EasyWeChat\Kernel\Http\StreamResponse;
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use Illuminate\Filesystem\Filesystem;
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use Illuminate\Support\Facades\Log;
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class Course extends SoftDeletesModel
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{
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protected $appends = [
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'date_status',
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'publicize',
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'sign_date_status',
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// qrcode 不自动 append：列表/关联序列化时会调微信，易导致接口 500
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'teacher_detail',
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'status_text',
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'is_fee_text',
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'is_arrange_text',
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'show_txl_text',
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'show_mobile_text',
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'auto_schoolmate_text',
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'free_enter_schoolmate_text',
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'is_virtual_text'
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];
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protected $casts = ['publicize_ids' => 'json'];
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public function getStatusTextAttribute()
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{
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$array = [0 => '待发布', 1 => '已发布'];
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return $array[$this->attributes['status'] ?? 0] ?? '';
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}
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public function getIsFeeTextAttribute()
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{
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$array = [0 => '免费', 1 => '收费'];
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return $array[$this->attributes['is_fee'] ?? 0] ?? '';
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}
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public function getIsArrangeTextAttribute()
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{
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$array = [0 => '否', 1 => '是'];
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return $array[$this->attributes['is_arrange'] ?? 0] ?? '';
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}
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public function getShowTxlTextAttribute()
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{
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$array = [0 => '否', 1 => '是'];
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return $array[$this->attributes['show_txl'] ?? 0] ?? '';
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}
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public function getShowMobileTextAttribute()
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{
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$array = [0 => '否', 1 => '是'];
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return $array[$this->attributes['show_mobile'] ?? 0] ?? '';
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}
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public function getAutoSchoolmateTextAttribute()
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{
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$array = [0 => '否', 1 => '是'];
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return $array[$this->attributes['auto_schoolmate'] ?? 0] ?? '';
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}
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public function getFreeEnterSchoolmateTextAttribute()
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{
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$array = [0 => '否', 1 => '是'];
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return $array[$this->attributes['free_enter_schoolmate'] ?? 0] ?? '';
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}
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public function getIsVirtualTextAttribute()
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{
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$array = [0 => '否', 1 => '是'];
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return $array[$this->attributes['is_virtual'] ?? 0] ?? '';
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}
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public function getQrcodeAttribute($value)
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{
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try {
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return $this->getCourseQrcode($this->attributes['id']);
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} catch (\Throwable $e) {
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Log::warning('course qrcode append failed', [
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'course_id' => $this->attributes['id'] ?? null,
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'message' => $e->getMessage(),
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]);
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return '';
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}
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}
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public function getTeacherDetailAttribute($value)
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{
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if (empty($this->teacher_id)) {
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return collect();
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}
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$teacherIds = explode(',', $this->teacher_id);
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return Teacher::whereIn('id', $teacherIds)->get();
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}
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public function getPublicizeAttribute($value)
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{
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if (empty($this->publicize_ids))
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return [];
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return Upload::whereIn('id', $this->publicize_ids)->get();
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}
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public function getDateStatusAttribute()
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{
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$text = '课程未开始';
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if ($this->course_status == 10) {
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$text = '课程进行中';
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}
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if ($this->course_status == 40) {
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$text = '课程已结束';
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}
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return $text;
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}
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public function getSignDateStatusAttribute()
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{
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$text = '未开始';
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if ($this->sign_status == 10) {
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$text = '进行中';
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}
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if ($this->sign_status == 40) {
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$text = '已结束';
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}
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return $text;
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}
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public function typeDetail()
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{
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return $this->hasOne(CourseType::class, 'id', 'type');
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}
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public function courseForms()
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{
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return $this->hasMany(CourseForm::class, 'course_id', 'id');
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}
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public function teacher()
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{
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return $this->hasOne(Teacher::class, 'id', 'teacher_id');
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}
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public function courseSettings()
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{
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return $this->hasMany(CourseSetting::class, 'course_id', 'id');
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}
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public function coursePeriods()
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{
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return $this->hasMany(CoursePeriod::class, 'course_id', 'id');
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}
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public function courseSigns()
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{
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return $this->hasMany(CourseSign::class, 'course_id', 'id');
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}
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public function image()
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{
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return $this->hasOne(Upload::class, 'id', 'image_id');
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}
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public function qunImage()
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{
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return $this->hasOne(Upload::class, 'id', 'qun_image_id');
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}
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public function courseContents()
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{
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return $this->hasMany(CourseContent::class, 'course_id', 'id');
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}
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public function courseContentEvaluation()
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{
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return $this->hasMany(CourseContentEvaluation::class, 'course_id', 'id');
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}
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/**
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* 更新课程报名状态
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*/
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public static function updateSignStatus($courseId)
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{
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// 进行中-未开始-已结束
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$now = date('Y-m-d');
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$course = Course::find($courseId);
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// 默认未开始
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$sign_status = 30;
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if ($course->sign_start_date && $now < $course->sign_start_date) {
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// 未开始
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$sign_status = 20;
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}
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if ($course->sign_start_date && $now >= $course->sign_start_date) {
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// 进行中
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$sign_status = 10;
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}
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if ($course->sign_end_date && $now > $course->sign_end_date) {
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// 已结束
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$sign_status = 40;
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}
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$course->sign_status = $sign_status;
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$course->save();
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return $course;
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}
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/**
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* 更新课程状态
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*/
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public static function updateStatus($courseId)
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{
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// 进行中-未开始-已结束
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$now = date('Y-m-d');
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$course = Course::find($courseId);
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// 默认待定
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$course_status = 30;
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if ($course->start_date && $now < $course->start_date) {
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// 未开始
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$course_status = 20;
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}
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if ($course->start_date && $now >= $course->start_date) {
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// 进行中
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$course_status = 10;
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}
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if ($course->end_date && $now > $course->end_date) {
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// 已结束
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$course_status = 40;
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}
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$course->course_status = $course_status;
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$course->save();
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return $course;
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}
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/**
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* 获取课程详情小程序码
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* @param mixed $courseId
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* @param bool $generate 是否在文件不存在时尝试生成
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*/
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public function getCourseQrcode($courseId, $generate = true)
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{
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$course = Course::find($courseId);
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if (empty($course)) {
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return '';
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}
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return $this->resolveMiniProgramQrcode(
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'course_qrcode/' . $course->id . '.png',
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'packages/course/detail?id=' . $courseId,
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['course_id' => $courseId],
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$generate
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);
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}
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/**
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* 获取课程报名小程序码
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*/
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public function getCourseCheckQrcode($courseId, $generate = true)
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{
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$course = Course::find($courseId);
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if (empty($course)) {
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return '';
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}
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return $this->resolveMiniProgramQrcode(
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'course_check_qrcode/' . $course->id . '.png',
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'packages/sign/course?course_id=' . $courseId,
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['course_id' => $courseId],
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$generate
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);
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}
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/**
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* 获取问卷小程序码
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*/
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public function getEvaluationQrcode($id, $generate = true)
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{
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$courseContentEvaluation = CourseContentEvaluation::find($id);
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if (empty($courseContentEvaluation)) {
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return '';
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}
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return $this->resolveMiniProgramQrcode(
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'course_evaluation_qrcode/' . $courseContentEvaluation->id . '.png',
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'packages/surveyFill/index?id=' . $id,
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['evaluation_id' => $id],
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$generate
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);
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}
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/**
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* 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
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*/
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protected function resolveMiniProgramQrcode(string $relativePath, string $page, array $context = [], bool $generate = true): string
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{
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$path = config('filesystems.disks.public.root') . '/' . $relativePath;
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$url = config('filesystems.disks.public.url') . '/' . $relativePath;
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$fileSys = new Filesystem();
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if ($fileSys->exists($path)) {
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return $url;
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}
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if (!$generate) {
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return '';
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}
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$appId = (string) config('app.applet_appid');
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$secret = (string) config('app.applet_secret');
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if ($appId === '' || $secret === '') {
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Log::warning('mini program qrcode skipped: missing appid/secret', $context);
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return '';
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}
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try {
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$app = Factory::miniProgram(miniProgramConfig([
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'app_id' => $appId,
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'secret' => $secret,
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]));
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$tmp = $app->app_code->get($page, [
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'env_version' => 'release',
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]);
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$content = $tmp instanceof StreamResponse ? $tmp->getBodyContents() : (string) $tmp;
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if ($content === '' || str_starts_with(ltrim($content), '{')) {
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Log::warning('mini program qrcode invalid response', $context + [
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'body' => substr($content, 0, 300),
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]);
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return '';
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}
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$fileSys->ensureDirectoryExists(dirname($path), 0755, true);
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$fileSys->put($path, $content);
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return $url;
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} catch (\Throwable $e) {
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Log::warning('mini program qrcode failed', $context + [
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'message' => $e->getMessage(),
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]);
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return '';
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}
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}
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/**
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* 获取课程统计项元数据
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* 返回每个统计项的计算逻辑和验证方法说明
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* 从 statistics_metadata 表中读取
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* @return array
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*/
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public static function getStatisticsMetadata()
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{
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return StatisticsMetadata::getAllAsArray();
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}
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}
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