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<?php |
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namespace Folk; |
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/** |
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* Class to manage a query to search rows. |
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*/ |
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class SearchQuery |
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{ |
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protected $page; |
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protected $ids = []; |
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protected $conditions = []; |
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protected $words = []; |
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protected $sort; |
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protected $direction; |
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/** |
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* @param array $query |
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*/ |
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public function __construct(array $query = []) |
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{ |
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if (!empty($query['query'])) { |
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$this->parseQuery($query['query']); |
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} |
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if (!empty($query['page'])) { |
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$this->page = (int) $query['page']; |
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} |
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if (!empty($query['sort'])) { |
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$this->sort = $query['sort']; |
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if (!empty($query['direction'])) { |
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$this->direction = strtoupper($query['direction']) === 'DESC' ? 'DESC' : 'ASC'; |
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} else { |
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$this->direction = 'ASC'; |
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} |
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} |
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} |
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/** |
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* Returns the query as string. |
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* |
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* @return string |
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*/ |
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public function getQuery() |
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{ |
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$query = implode(' ', $this->words); |
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foreach ($this->ids as $id) { |
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$query .= " #{$id}"; |
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} |
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foreach ($this->conditions as $name => $values) { |
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foreach ($values as $value) { |
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if (strpos($value, ' ') === false) { |
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$query .= " {$name}:{$value}"; |
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} else { |
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$query .= " {$name}:\"{$value}\""; |
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} |
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} |
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} |
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return trim($query); |
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} |
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/** |
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* Returns the page number. |
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* |
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* @return null|int |
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*/ |
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public function getPage() |
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{ |
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return $this->page; |
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} |
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/** |
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* Set the page. |
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* |
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* @param null|int $page |
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*/ |
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public function setPage($page) |
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{ |
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$this->page = $page; |
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} |
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/** |
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* Returns the first id. |
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* |
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* @return string|null |
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*/ |
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public function getId() |
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{ |
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return isset($this->ids[0]) ? $this->ids[0] : null; |
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} |
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/** |
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* Returns all ids found. |
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* |
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* @return array |
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*/ |
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public function getIds() |
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{ |
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return $this->ids; |
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} |
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/** |
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* Set new ids. |
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* |
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* @param array $ids |
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*/ |
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public function setIds(array $ids) |
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{ |
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$this->ids = $ids; |
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} |
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/** |
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* Returns all words in the query. |
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* |
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* @return array |
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*/ |
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public function getWords() |
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{ |
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return $this->words; |
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} |
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/** |
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* Set new words. |
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* |
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* @param array $words |
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*/ |
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public function setWords(array $words) |
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{ |
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$this->words = $words; |
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} |
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/** |
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* Return a condition. |
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* |
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* @return array|null |
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*/ |
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public function getCondition($name) |
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{ |
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return isset($this->conditions[$name]) ? $this->conditions[$name] : null; |
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} |
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/** |
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* Set a new condition. |
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* |
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* @param string $name |
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* @param array $value |
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*/ |
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public function setCondition($name, array $value) |
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{ |
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return $this->conditions[$name] = $value; |
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} |
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/** |
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* Return all conditions. |
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* |
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* @return array |
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*/ |
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public function getConditions() |
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{ |
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return $this->conditions; |
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} |
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/** |
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* Return the sort field. |
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* |
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* @return string|null |
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*/ |
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public function getSort() |
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{ |
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return $this->sort; |
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} |
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/** |
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* Return the sort direction in UPPERCASE. |
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* |
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* @return string|null |
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*/ |
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public function getDirection() |
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{ |
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return isset($this->direction) ? strtoupper($this->direction) : null; |
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} |
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/** |
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* Split a query in pieces. |
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* |
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* @param string $query |
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* |
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* @return array |
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*/ |
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protected function parseQuery($query) |
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{ |
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preg_match_all('/([\w]+:)?("([^"]*)"|([^ ]*))/', trim($query), $pieces, PREG_SET_ORDER); |
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if (is_array($pieces)) { |
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foreach ($pieces as $piece) { |
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if (empty($piece[0])) { |
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continue; |
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} |
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$name = $piece[1] ? substr($piece[1], 0, -1) : null; |
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$value = isset($piece[4]) ? $piece[4] : $piece[3]; |
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if ($name !== null) { |
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if (!isset($this->conditions[$name])) { |
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$this->conditions[$name] = [$value]; |
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} else { |
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$this->conditions[$name][] = $value; |
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} |
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} elseif (preg_match('/^#[\w-]+$/', $value)) { |
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$this->ids[] = substr($value, 1); |
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} else { |
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$this->words[] = $value; |
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} |
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} |
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} |
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} |
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} |
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