tissue/app/Ejaculation.php

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<?php
namespace App;
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use Illuminate\Database\Eloquent\Builder;
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use Illuminate\Database\Eloquent\Model;
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use Illuminate\Support\Facades\Auth;
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class Ejaculation extends Model
{
//
protected $fillable = [
'user_id', 'ejaculated_date',
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'note', 'geo_latitude', 'geo_longitude', 'link',
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'is_private'
];
protected $dates = [
'ejaculated_date'
];
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public function user()
{
return $this->belongsTo('App\User');
}
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public function tags()
{
return $this->belongsToMany('App\Tag')->withTimestamps();
}
public function textTags()
{
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return implode(' ', $this->tags->map(function ($v) {
return $v->name;
})->all());
}
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public function likes()
{
return $this->hasMany(Like::class);
}
public function scopeWithLikes(Builder $query)
{
if (Auth::check()) {
// (ejaculation_id, user_id) でユニークなわけですが、サブクエリ発行させるのとLeft JoinしてNULLかどうかで結果を見るのどっちがいいんでしょうね
return $query->withCount([
'likes',
'likes as is_liked' => function ($query) {
$query->where('user_id', Auth::id());
}
]);
} else {
return $query->withCount('likes')
->addSelect('0 as is_liked');
}
}
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}