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<?php
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/**
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* @file
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* Provides API and management functions for the webform validation rules.
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*/
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/**
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* Get a rule entry.
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*/
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function webform_validation_get_rule($ruleid) {
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$result = db_query("SELECT ruleid, rulename, nid, validator, data, error_message, negate, weight FROM {webform_validation_rule} WHERE ruleid = :ruleid", array(':ruleid' => $ruleid), array('fetch' => PDO::FETCH_ASSOC));
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$rule = $result->fetchAssoc();
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$rule['components'] = webform_validation_get_rule_components($ruleid, $rule['nid']);
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$rule['negate'] = (bool) $rule['negate'];
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return $rule;
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}
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/**
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* Get an array of rules assigned to a webform node.
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*
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* @param int $nid
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* The node ID.
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*
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* @return array
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* The rules for a node keyed by their rule ID.
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*
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* @see webform_validation_get_node_rules_assoc()
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*/
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function webform_validation_get_node_rules($nid) {
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$rules = array();
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$result = db_query("SELECT ruleid, rulename, nid, validator, data, error_message, negate, weight FROM {webform_validation_rule} WHERE nid = :nid ORDER BY weight ASC, ruleid DESC", array(':nid' => $nid), array('fetch' => PDO::FETCH_ASSOC));
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foreach ($result as $rule) {
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$rule['components'] = webform_validation_get_rule_components($rule['ruleid'], $rule['nid']);
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$rule['negate'] = (bool) $rule['negate'];
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$rules[$rule['ruleid']] = $rule;
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}
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return $rules;
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}
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/**
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* Get an array of rules assigned to a webform node keyed by their rulename.
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*
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* @param int $nid
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* The node ID.
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*
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* @return array
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* The rules for a node keyed by their rulename.
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*
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* @see webform_validation_get_node_rules()
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*/
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function webform_validation_get_node_rules_assoc($nid) {
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$assoc_rules = array();
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if ($rules = webform_validation_get_node_rules($nid)) {
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foreach ($rules as $rule) {
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$components = array();
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foreach ($rule['components'] as $cid => $component) {
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$components[$cid] = $cid;
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}
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ksort($components);
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$rule['components'] = $components;
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$assoc_rules[$rule['rulename']] = $rule;
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}
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ksort($assoc_rules);
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}
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return $assoc_rules;
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}
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/**
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* Get an array of components linked to a rule.
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*/
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function webform_validation_get_rule_components($ruleid, $nid) {
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$cids = array();
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$components = array();
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$result = db_query("SELECT cid FROM {webform_validation_rule_components} WHERE ruleid = :ruleid", array(':ruleid' => $ruleid));
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foreach ($result as $row) {
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$cids[] = $row->cid;
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}
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if ($cids) {
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$all_components = webform_validation_get_all_components($nid);
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$all_component_keys = array_keys($all_components);
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foreach ($cids as $cid) {
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if (in_array($cid, $all_component_keys)) {
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$components[$cid] = $all_components[$cid];
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}
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}
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}
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return $components;
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}
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/**
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* Get info on all components that are available on a webform.
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*/
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function webform_validation_get_all_components($nid) {
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$components = array();
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$result = db_query("SELECT * FROM {webform_component} WHERE nid = :nid", array(':nid' => $nid), array('fetch' => PDO::FETCH_ASSOC));
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foreach ($result as $row) {
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$components[$row['cid']] = $row;
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}
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return $components;
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}
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/**
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* Create basic version of component info.
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*
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* This helper function takes a list of full component info arrays and returns a
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* basic representation of it for output purposes.
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*/
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function webform_validation_rule_components_basic($components) {
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$ret = array();
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if ($components) {
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foreach ($components as $cid => $component) {
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$ret[$cid] = _webform_filter_xss($component['name']);
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}
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}
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return $ret;
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}
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/**
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* Delete a rule and dependencies.
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*
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* @param int $ruleid
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* The ruleid of the rule to delete.
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*/
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function webform_dynamic_delete_rule($ruleid) {
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// Delete rule.
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db_delete('webform_validation_rule')
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->condition('ruleid', $ruleid)
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->execute();
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// Delete rule components.
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db_delete('webform_validation_rule_components')
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->condition('ruleid', $ruleid)
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->execute();
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}
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