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<?php namespace Felixkiss\UniqueWithValidator; |
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class RuleParser |
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{ |
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protected $table; |
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protected $primaryField; |
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protected $primaryValue; |
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protected $additionalFields; |
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protected $ignoreColumn; |
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protected $ignoreValue; |
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protected $dataFields; |
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protected $parameters; |
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protected $data; |
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protected $parsed = false; |
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public function __construct($attribute = null, $value = null, array $parameters = [], array $data = []) |
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{ |
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$this->primaryField = $attribute; |
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$this->primaryValue = $value; |
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$this->parameters = $parameters; |
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$this->data = $data; |
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} |
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protected function parse() |
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{ |
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if ($this->parsed) { return; } |
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$this->parsed = true; |
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// cleaning: trim whitespace |
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$this->parameters = array_map('trim', $this->parameters); |
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// first item equals table name |
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$this->table = array_shift($this->parameters); |
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// Check if ignore data is set |
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$this->parseIgnore(); |
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// Parse field data |
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$this->parseFieldData(); |
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} |
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protected function parseFieldData() |
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{ |
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$this->additionalFields = []; |
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$this->dataFields = [$this->primaryField]; |
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// Figure out whether field_name is the same as column_name |
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// or column_name is explicitly specified. |
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// |
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// case 1: |
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// $parameter = 'last_name' |
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// => field_name = column_name = 'last_name' |
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// case 2: |
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// $parameter = 'last_name=sur_name' |
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// => field_name = 'last_name', column_name = 'sur_name' |
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foreach ($this->parameters as $parameter) { |
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$parts = array_map('trim', explode('=', $parameter, 2)); |
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$fieldName = $parts[0]; |
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$columnName = count($parts) > 1 ? $parts[1] : $fieldName; |
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$this->dataFields[] = $fieldName; |
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if ($fieldName === $this->primaryField) { |
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$this->primaryField = $columnName; |
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continue; |
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} |
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if (!array_key_exists($fieldName, $this->data)) { |
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continue; |
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} |
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$this->additionalFields[$columnName] = $this->data[$fieldName]; |
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} |
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$this->dataFields = array_values(array_unique($this->dataFields)); |
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} |
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public function getTable() |
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{ |
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$this->parse(); |
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return $this->table; |
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} |
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public function getPrimaryField() |
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{ |
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$this->parse(); |
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return $this->primaryField; |
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} |
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public function getPrimaryValue() |
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{ |
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$this->parse(); |
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return $this->primaryValue; |
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} |
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public function getAdditionalFields() |
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{ |
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$this->parse(); |
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return $this->additionalFields; |
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} |
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public function getIgnoreValue() |
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{ |
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$this->parse(); |
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return $this->ignoreValue; |
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} |
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public function getIgnoreColumn() |
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{ |
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$this->parse(); |
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return $this->ignoreColumn; |
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} |
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public function getDataFields() |
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{ |
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$this->parse(); |
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return $this->dataFields; |
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} |
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protected function parseIgnore() |
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{ |
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// Ignore has to be specified as the last parameter |
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$lastParameter = end($this->parameters); |
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if (!$this->isIgnore($lastParameter)) { return; } |
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$lastParameter = array_map('trim', explode('=', $lastParameter)); |
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$this->ignoreValue = str_replace('ignore:', '', $lastParameter[0]); |
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$this->ignoreColumn = (sizeof($lastParameter) > 1) ? end($lastParameter) : null; |
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// Shave of the ignore_id from the array for later processing |
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array_pop($this->parameters); |
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} |
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protected function isIgnore($parameter) |
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{ |
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// An ignore_id can be specified by prefixing with 'ignore:' |
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if (strpos($parameter, 'ignore:') !== false) { |
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return true; |
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} |
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// An ignore_id can be specified if parameter starts with a |
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// number greater than 1 (a valid id in the database) |
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$parts = array_map('trim', explode('=', $parameter)); |
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return preg_match('/^[1-9][0-9]*$/', $parts[0]); |
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} |
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} |
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felixkiss /
uniquewith-validator
