在没有全局范围的情况下使用Laravel触摸

Question

Concept Problem: I have a very simple problem when using the touches attribute, to automatically update timestamp on a depending model; it correctly does so but also applies the global scopes.

Is there any way to turn this functionality off? Or to ask specifically for automatic touches to ignore global scopes?

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Concrete Example: When an ingredient model is updated all related recipes should be touched. This works fine, except we have a globalScope for separating the recipes based on locales, that also gets used when applying the touches.

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Ingredient Model:

class Ingredient extends Model
{
    protected $touches = ['recipes'];

    public function recipes() {
        return $this->belongsToMany(Recipe::class);
    }

}

Recipe Model:

class Recipe extends Model
{
    protected static function boot()
    {
        parent::boot();
        static::addGlobalScope(new LocaleScope);
    }

    public function ingredients()
    {
        return $this->hasMany(Ingredient::class);
    }
}

Locale Scope:

class LocaleScope implements Scope
{
    public function apply(Builder $builder, Model $model)
    {
        $locale = app(Locale::class);

        return $builder->where('locale', '=', $locale->getLocale());
    }

}

Answer 1

If you want to explicitly avoid a global scope for a given query, you may use the withoutGlobalScope() method. The method accepts the class name of the global scope as its only argument.

$ingredient->withoutGlobalScope(LocaleScope::class)->touch();
$ingredient->withoutGlobalScopes()->touch();

Since you're not calling touch() directly, in your case it will require a bit more to make it work.

You specify relationships that should be touched in model $touches attribute. Relationships return query builder objects. See where I'm going?

protected $touches = ['recipes'];

public function recipes() {
   return $this->belongsToMany(Recipe::class)->withoutGlobalScopes();
}

If that messes with the rest of your application, just create a new relationship specifically for touching (heh :)

protected $touches = ['recipesToTouch'];

public function recipes() {
   return $this->belongsToMany(Recipe::class);
}

public function recipesToTouch() {
   return $this->recipes()->withoutGlobalScopes();
}