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<?php |
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namespace Arrilot\BitrixModels; |
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class Helpers |
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{ |
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/** |
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* Does the $haystack starts with $needle |
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* |
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* @param $haystack |
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* @param $needle |
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* @return bool |
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*/ |
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public static function startsWith($haystack, $needle) |
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{ |
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return strncmp($haystack, $needle, strlen($needle)) === 0; |
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} |
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/** |
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* @param Collection|BaseBitrixModel[] $primaryModels первичные модели |
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* @param Collection|BaseBitrixModel[] $relationModels подгруженные связанные модели |
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* @param string $primaryKey ключ связи в первичной модели |
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* @param string $relationKey ключ связи в связанной модели |
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* @param string $relationName название связи в первичной модели |
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* @param bool $multiple множественная ли это свзязь |
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*/ |
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public static function assocModels($primaryModels, $relationModels, $primaryKey, $relationKey, $relationName, $multiple) |
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{ |
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$buckets = static::buildBuckets($relationModels, $relationKey, $multiple); |
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foreach ($primaryModels as $i => $primaryModel) { |
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if ($multiple && is_array($keys = $primaryModel[$primaryKey])) { |
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$value = []; |
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foreach ($keys as $key) { |
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$key = static::normalizeModelKey($key); |
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if (isset($buckets[$key])) { |
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$value = array_merge($value, $buckets[$key]); |
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} |
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} |
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} else { |
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$key = static::normalizeModelKey($primaryModel[$primaryKey]); |
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$value = isset($buckets[$key]) ? $buckets[$key] : ($multiple ? [] : null); |
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} |
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$primaryModel->populateRelation($relationName, is_array($value) ? (new Collection($value))->keyBy(function ($item) {return $item->id;}) : $value); |
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} |
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} |
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/** |
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* Сгруппировать найденные модели |
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* @param array $models |
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* @param string $linkKey |
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* @param bool $multiple |
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* @return array |
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*/ |
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protected static function buildBuckets($models, $linkKey, $multiple) |
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{ |
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$buckets = []; |
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foreach ($models as $model) { |
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$key = $model[$linkKey]; |
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if (is_scalar($key)) { |
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$buckets[$key][] = $model; |
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} elseif (is_array($key)){ |
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foreach ($key as $k) { |
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$k = static::normalizeModelKey($k); |
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$buckets[$k][] = $model; |
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} |
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} else { |
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$key = static::normalizeModelKey($key); |
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$buckets[$key][] = $model; |
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} |
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} |
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if (!$multiple) { |
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foreach ($buckets as $i => $bucket) { |
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$buckets[$i] = reset($bucket); |
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} |
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} |
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return $buckets; |
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} |
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/** |
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* @param mixed $value raw key value. |
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* @return string normalized key value. |
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*/ |
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protected static function normalizeModelKey($value) |
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{ |
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if (is_object($value) && method_exists($value, '__toString')) { |
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// ensure matching to special objects, which are convertable to string, for cross-DBMS relations, for example: `|MongoId` |
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$value = $value->__toString(); |
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} |
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return $value; |
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} |
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} |
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arrilot /
bitrix-models
