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<?php |
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namespace Mikehins\Translatable; |
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use Illuminate\Support\Collection; |
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use Illuminate\Support\Facades\DB; |
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trait Translatable |
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{ |
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public static $transtableFieldName = 'translatable'; |
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public $translatable; |
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public $model; |
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protected $locale; |
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public static function bootTranslatable() |
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{ |
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static::addGlobalScope(new TranslatableScope); |
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static::saving(function ($model) { |
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$model->translatable = collect($model->attributes)->only(static::$transtableFieldName)->toArray(); |
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$model->attributes = collect($model->attributes)->except(static::$transtableFieldName)->toArray(); |
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}); |
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static::saved(function ($model) { |
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if ($model->translatable) { |
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(new self)->saveTranslation($model); |
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} |
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}); |
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static::deleted(function ($model) { |
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if ((new $model)->has('translations')) { |
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$model->translations()->delete(); |
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} |
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}); |
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} |
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public function locale($value = null) |
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{ |
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$this->locale = $value; |
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return $this; |
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} |
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// Relationship |
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public function translations() |
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{ |
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return $this->morphMany(Translation::class, 'translatable'); |
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} |
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// scope |
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public function scopeTranslated($query, ...$fields) |
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{ |
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$this->locale = $this->locale ?? app()->getLocale(); |
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$fields = empty($fields) ? $this->getTranslatedFieldsForCurrentModel() : collect($fields); |
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if ($fields->isEmpty()) { |
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return $query; |
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} |
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// Add select * if nothing has been selected yet |
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if ($query->getQuery()->columns === null) { |
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$query->select('*'); |
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} |
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// Build the sub select |
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$fields->each(function ($key) use ($query) { |
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$this->subSelectTranslation($query, $key); |
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}); |
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return $query; |
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} |
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protected function subSelectTranslation($query, $key): void |
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{ |
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$query->addSelect([ |
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$key => function ($query) use ($key) { |
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$query->select(Translation::getTableName() . '.value') |
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->from(Translation::getTableName()) |
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->where(Translation::getTableName() . '.translatable_type', '=', \get_class($this)) |
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->where(Translation::getTableName() . '.locale', '=', $this->locale) |
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->where(Translation::getTableName() . '.key', '=', $key) |
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->where(Translation::getTableName() . '.translatable_id', '=', \DB::raw($this->getTable() . '.' . $this->primaryKey)); |
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} |
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]); |
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// $query->addSelect(\DB::raw('( |
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// SELECT `' . Translation::getTableName() . '`.`value` |
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// FROM `' . Translation::getTableName() . '` |
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// WHERE `' . Translation::getTableName() . '`.`translatable_type` = "' . \get_class($this) . '" |
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// AND `' . Translation::getTableName() . '`.`locale` = "' . $this->locale . '" |
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// AND `' . Translation::getTableName() . '`.`key` = "' . $key . '" |
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// AND `' . Translation::getTableName() . '`.`translatable_id` = `' . $this->getTable() . '`.`' . $this->primaryKey . '` |
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// ) as `' . $key . '`') |
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// ); |
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} |
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/** |
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* Query the translations table for possible keys if none are provided. |
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* @return Collection |
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*/ |
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public function getTranslatedFieldsForCurrentModel(): Collection |
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{ |
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$table = Translation::getTableName(); |
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return DB::table($table)->select($table . '.key') |
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->where($table . '.translatable_type', \get_class($this)) |
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->where($table . '.locale', $this->locale) |
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->groupBy($table . '.key') |
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->pluck('key'); |
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} |
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public function saveTranslation($model): int |
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{ |
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return (new Translation)->store([ |
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'translatable' => $model->translatable[static::$transtableFieldName], |
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'translatable_type' => \get_class($model), |
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'translatable_id' => $model->id, |
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]); |
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} |
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protected function fullTextWildcards($term) |
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{ |
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return collect(explode(' ', str_replace(['-', '+', '<', '>', '@', '(', ')', '~'], '', $term)))->map(function ($word, $key) { |
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return strlen($word) >= 3 ? '+' . $word . '*' : ''; |
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})->implode(' '); |
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} |
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public function scopeSearchFullText($query, $term) |
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{ |
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return $query->join('translations', 'translations.translatable_id', '=', 'products.id') |
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->addSelect([ |
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'relevance' => function ($query) use ($term) { |
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$query->selectRaw("MATCH (`translations`.`value`) AGAINST ('" . $this->fullTextWildcards($term) . "' IN BOOLEAN MODE)") |
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->from('translations') |
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->where('translations.translatable_id', DB::raw($this->getTable() . '.' . $this->primaryKey)) |
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->limit(1); |
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} |
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]) |
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->whereRaw("MATCH (`translations`.`value`) AGAINST (? IN BOOLEAN MODE)", $this->fullTextWildcards($term)) |
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->orderByDesc('relevance'); |
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} |
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} |
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mikehins /
laravel-translatable
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