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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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use Illuminate\Support\Str; |
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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() . '.' . $this->primaryKey)); |
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} |
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]); |
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} |
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/** |
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* Query the translations table for possible keys if none are provided. |
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* @return Collection |
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*/ |
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public function getTranslatedFieldsForCurrentModel(): Collection |
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{ |
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$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, $key) { |
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return strlen(trim($word)) >= 3 ? '+' . trim($word) . '*' : ''; |
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})->implode(' '); |
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} |
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public function scopeSearchFullText($query, $term) |
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{ |
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$term = $this->fullTextWildcards($term); |
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$matches = Translation::selectRaw('translatable_id, MATCH(`value`) AGAINST (\'' . $term . '\' IN BOOLEAN MODE) as relevance') |
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->whereRaw(\DB::raw('MATCH (`value`) AGAINST (\'' . $term . '\' IN BOOLEAN MODE)')) |
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->where('translations.translatable_type', '=', \get_class($this)) |
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->having('relevance', '>', 0) |
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->orderBy('relevance') |
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// force to search only in the current language |
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//->where('translations.locale', app()->getLocale()); |
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->pluck('translatable_id') |
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->toArray(); |
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return $query->whereIn(DB::raw($this->getTable() . '.' . $this->primaryKey), $matches); |
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} |
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} |
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mikehins /
laravel-translatable
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