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<?php
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/**
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* @file
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* Make field required. If not present, the feed item will be removed.
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*/
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$plugin = array(
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'form' => 'feeds_tamper_required_form',
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'callback' => 'feeds_tamper_required_callback',
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'name' => 'Required field',
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'multi' => 'direct',
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'category' => 'Filter',
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);
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function feeds_tamper_required_form($importer, $element_key, $settings) {
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$form = array();
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$form['help'] = array(
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'#markup' => t('Make this field required. If it is empty, the feed item will not be saved.'),
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);
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$form['invert'] = array(
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'#type' => 'checkbox',
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'#title' => t('Invert filter'),
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'#default_value' => !empty($settings['invert']),
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'#description' => t('Inverting the filter will save items only if the field is empty.'),
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);
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$form['log'] = array(
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'#type' => 'checkbox',
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'#default_value' => !empty($settings['log']),
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'#title' => t('Log'),
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'#description' => t('Log to the Feed log and print a message when a required feed item is filtered.'),
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);
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return $form;
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}
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function feeds_tamper_required_callback($result, $item_key, $element_key, &$field, $settings, $source) {
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if (!empty($settings['invert'])) {
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if (!empty($field)) {
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unset($result->items[$item_key]);
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}
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return;
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}
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if (!empty($field)) {
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return;
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}
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unset($result->items[$item_key]);
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if (!empty($settings['log'])) {
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_feeds_tamper_required_log($source, $item_key, $element_key);
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}
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}
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function _feeds_tamper_required_log($source, $item_key, $element_key) {
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$args = array('@key' => $element_key, '@num' => $item_key);
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$source->log('feeds_tamper:required', 'Feed item number @num skipped because @key was empty.', $args);
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drupal_set_message(t('Feed item number @num skipped because @key was empty.', $args));
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}
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