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<?php |
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namespace Lagdo\DbAdmin\Db\Traits; |
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use function intval; |
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use function implode; |
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use function strtoupper; |
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use function in_array; |
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use function preg_match; |
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use function preg_replace; |
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use function preg_match_all; |
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trait SelectUtilTrait |
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{ |
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/** |
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* Filter length value including enums |
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* |
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* @param string $length |
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* |
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* @return string |
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*/ |
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public function processLength(string $length): string |
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{ |
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if (!$length) { |
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return ''; |
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} |
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$enumLength = $this->driver->enumLength(); |
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if (preg_match("~^\\s*\\(?\\s*$enumLength(?:\\s*,\\s*$enumLength)*+\\s*\\)?\\s*\$~", $length) && |
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preg_match_all("~$enumLength~", $length, $matches)) { |
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return '(' . implode(',', $matches[0]) . ')'; |
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} |
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return preg_replace('~^[0-9].*~', '(\0)', preg_replace('~[^-0-9,+()[\]]~', '', $length)); |
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} |
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/** |
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* Process limit box in select |
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* |
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* @return int |
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*/ |
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public function processSelectLimit(): int |
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{ |
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return isset($this->input->values['limit']) ? intval($this->input->values['limit']) : 50; |
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} |
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/** |
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* Process length box in select |
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* |
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* @return int |
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*/ |
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public function processSelectLength(): int |
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{ |
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return isset($this->input->values['text_length']) ? intval($this->input->values['text_length']) : 100; |
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} |
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/** |
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* Process order box in select |
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* |
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* @return array |
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*/ |
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public function processSelectOrder(): array |
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{ |
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$expressions = []; |
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foreach ((array) $this->input->values['order'] as $key => $value) { |
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if ($value !== '') { |
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$regexp = '~^((COUNT\(DISTINCT |[A-Z0-9_]+\()(`(?:[^`]|``)+`|"(?:[^"]|"")+")\)|COUNT\(\*\))$~'; |
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$expression = $value; |
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if (preg_match($regexp, $expression) === false) { |
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$expression = $this->driver->escapeId($expression); |
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} |
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if (isset($this->input->values['desc'][$key])) { |
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$expression .= ' DESC'; |
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} |
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$expressions[] = $expression; |
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} |
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} |
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return $expressions; |
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} |
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/** |
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* Process extras in select form |
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* |
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* @param array $where AND conditions |
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* @param array $foreignKeys |
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* |
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* @return bool |
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*/ |
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// public function processSelectEmail(array $where, array $foreignKeys) |
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// { |
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// return false; |
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// } |
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/** |
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* Apply SQL function |
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* |
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* @param string $function |
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* @param string $column escaped column identifier |
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* |
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* @return string |
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*/ |
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public function applySqlFunction(string $function, string $column): string |
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{ |
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if (!$function) { |
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return $column; |
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} |
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if ($function === 'unixepoch') { |
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return "DATETIME($column, '$function')"; |
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} |
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if ($function === 'count distinct') { |
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return "COUNT(DISTINCT $column)"; |
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} |
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return strtoupper($function) . "($column)"; |
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} |
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/** |
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* @param array $value |
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* |
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* @return bool |
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*/ |
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private function colHasValidValue(array $value): bool |
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{ |
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return $value['fun'] === 'count' || |
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($value['col'] !== '' && (!$value['fun'] || |
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in_array($value['fun'], $this->driver->functions()) || |
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in_array($value['fun'], $this->driver->grouping()))); |
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} |
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/** |
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* Process columns box in select |
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* |
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* @return array |
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*/ |
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public function processSelectColumns(): array |
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{ |
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$select = []; // select expressions, empty for * |
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$group = []; // expressions without aggregation - will be used for GROUP BY if an aggregation function is used |
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foreach ((array) $this->input->values['columns'] as $key => $value) { |
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if ($this->colHasValidValue($value)) { |
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$fields = '*'; |
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if ($value['col'] !== '') { |
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$fields = $this->driver->escapeId($value['col']); |
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} |
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$select[$key] = $this->applySqlFunction($value['fun'], $fields); |
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if (!in_array($value['fun'], $this->driver->grouping())) { |
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$group[] = $select[$key]; |
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} |
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} |
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} |
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return [$select, $group]; |
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} |
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} |
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lagdo /
jaxon-dbadmin
