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<?php |
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namespace Scriptotek\Alma\Users; |
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use Scriptotek\Alma\Client; |
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use Scriptotek\Alma\Exception\InvalidQuery; |
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use Scriptotek\Alma\Model\ReadOnlyArrayAccess; |
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/** |
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* Non-iterable collection of User resources. |
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*/ |
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class Users implements \ArrayAccess |
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{ |
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use ReadOnlyArrayAccess; |
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/* @var Client */ |
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protected $client; |
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public function __construct(Client $client) |
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{ |
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$this->client = $client; |
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} |
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/** |
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* Get a User object by id. |
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* |
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* @param $user_id int |
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* @param $params array Additional query string parameters |
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* |
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* @return User |
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*/ |
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public function get($user_id, $params = []) |
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{ |
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return User::make($this->client, $user_id) |
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->setParams($params); |
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} |
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/** |
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* Get the first user matching a given query, or NULL if not found. |
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* |
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* @param string $query |
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* @param array $options |
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* |
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* @return User|null |
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*/ |
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public function findOne($query, array $options = []) |
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{ |
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return $this->search($query, $options)->current(); |
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} |
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/** |
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* Iterates over all users matching the given query. |
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* Handles continuation. |
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* |
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* @param string $query |
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* @param array $options |
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* |
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* @return \Generator |
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*/ |
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public function search($query, array $options = []) |
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{ |
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// Max number of records to fetch. Set to 0 to fetch all. |
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$limit = array_key_exists('limit', $options) ? $options['limit'] : 0; |
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// Set to true to do a phrase search |
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$phrase = array_key_exists('phrase', $options) ? $options['phrase'] : false; |
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// Set to true to expand all query results to full records. |
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// Please note that this will make queries significantly slower! |
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$expand = array_key_exists('expand', $options) ? $options['expand'] : false; |
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// Number of records to fetch each batch. Usually no need to change this. |
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$batchSize = array_key_exists('batchSize', $options) ? $options['batchSize'] : 10; |
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if ($limit != 0 && $limit < $batchSize) { |
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$batchSize = $limit; |
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} |
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// The API will throw a 400 response if you include properly encoded spaces, |
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// but underscores work as a substitute. |
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$query = explode(' AND ', $query); |
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$query = $phrase ? str_replace(' ', '_', $query) : str_replace(' ', ',', $query); |
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$query = implode(' AND ', $query); |
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$offset = 0; |
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while (true) { |
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$response = $this->client->getJSON('/users', ['q' => $query, 'limit' => $batchSize, 'offset' => $offset]); |
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// The API sometimes returns total_record_count: -1, with no further error message. |
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// Seems to indicate that the query was not understood. |
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// See: https://github.com/scriptotek/php-alma-client/issues/8 |
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if ($response->total_record_count == -1) { |
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throw new InvalidQuery($query); |
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} |
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if ($response->total_record_count == 0) { |
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break; |
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} |
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if (!isset($response->user) || empty($response->user)) { |
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// We cannot trust the value in 'total_record_count', so if there are no more records, |
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// we have to assume the result set is depleted. |
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// See: https://github.com/scriptotek/php-alma-client/issues/7 |
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break; |
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} |
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foreach ($response->user as $data) { |
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$offset++; |
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// Contacts without a primary identifier will have the primary_id |
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// field populated with something weird like "no primary id (123456789023)". |
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// We ignore those. |
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// See: https://github.com/scriptotek/php-alma-client/issues/6 |
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if (strpos($data->primary_id, 'no primary id') === 0) { |
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continue; |
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} |
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$user = User::make($this->client, $data->primary_id) |
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->init($data); |
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if ($expand) { |
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$user->init(); |
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} |
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yield $user; |
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} |
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if ($offset >= $response->total_record_count) { |
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break; |
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} |
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if ($limit != 0 && $offset >= $limit) { |
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break; |
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} |
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} |
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} |
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} |
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scriptotek /
php-alma-client
