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Current Path : /home/users/unlimited/www/learnoid.codeskitter.site/app/Models/
Current File : /home/users/unlimited/www/learnoid.codeskitter.site/app/Models/Course.php
<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Casts\Attribute;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\BelongsToMany;
use Illuminate\Database\Eloquent\Relations\HasMany;
use Illuminate\Database\Eloquent\SoftDeletes;
use Illuminate\Support\Facades\Storage;

class Course extends Model
{
    protected $guarded = ['id'];

    use HasFactory, SoftDeletes;

    public function category(): BelongsTo
    {
        return $this->belongsTo(Category::class)->withTrashed();
    }

    public function instructor(): BelongsTo
    {
        return $this->belongsTo(Instructor::class)->withTrashed();
    }

    public function chapters(): HasMany
    {
        return $this->hasMany(Chapter::class);
    }

    public function reviews(): HasMany
    {
        return $this->hasMany(Review::class)->withTrashed();
    }

    public function enrollments(): HasMany
    {
        return $this->hasMany(Enrollment::class);
    }

    public function media(): BelongsTo
    {
        return $this->belongsTo(Media::class);
    }

    public function mediaPath(): Attribute
    {
        $media = 'https://placehold.co/600x400';

        if ($this->media && Storage::exists($this->media->src)) {
            $media = Storage::url($this->media->src);
        }

        return Attribute::make(
            get: fn() => $media,
        );
    }

    public function video(): BelongsTo
    {
        return $this->belongsTo(Media::class, 'video_id');
    }

    public function videoPath(): Attribute
    {
        $video = null;

        if ($this->video && Storage::exists($this->video->src)) {
            $video = Storage::url($this->video->src);
        }

        return Attribute::make(
            get: fn() => $video,
        );
    }

    public function favouriteUsers(): BelongsToMany
    {
        return $this->belongsToMany(User::class, 'user_courses');
    }

    public function favouriteGuests(): BelongsToMany
    {
        return $this->belongsToMany(Guest::class, 'guest_courses');
    }

    public function transactions(): HasMany
    {
        return $this->hasMany(Transaction::class);
    }

    public function exams(): HasMany
    {
        return $this->hasMany(Exam::class);
    }

    public function quizzes(): HasMany
    {
        return $this->hasMany(Quiz::class);
    }

    public function questions(): HasMany
    {
        return $this->hasMany(Question::class);
    }

    public function userProgress()
    {
        return $this->belongsToMany(User::class, 'user_course_progresses')->withPivot('progress', 'course_id');
    }
}