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<?php
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/**
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* @file
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* Update Views 1 views provided by both views_bookmark and flag modules.
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*/
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/**
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* Implements hook_views_convert().
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*
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* Intervene to convert field values from the Views 1 format to the
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* Views 2 format. Intervene only if $view->add_item() won't produce
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* the right results, usually needed to set field options or values.
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*/
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function flag_views_convert($display, $type, &$view, $field, $id) {
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static $flag_name;
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// First, replace any sign of views_bookmark with flag's Views 1 equivelant.
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$key_search = array(
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'^views_bookmark_ops_([0-9]+)' => 'flag_ops_',
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'^views_bookmark_nodes_([0-9]+)' => 'flag_content_',
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'^views_bookmark_users_([0-9]+)' => 'flag_users_',
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'^views_bookmark_node_count_([0-9]+)' => 'flag_counts_',
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);
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foreach ($field as $property => $value) {
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foreach ($key_search as $search => $replace) {
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if (!empty($value) && is_string($value) && preg_match('/' . $search . '/', $value, $matches)) {
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$flag = flag_get_flag(NULL, $matches[1]);
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$replace = $replace . $flag->name;
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$field[$property] = preg_replace('/' . $search . '/', $replace, $value);
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}
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}
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}
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// Create a table/field identifier for this field.
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foreach (array('flag_ops_', 'flag_content_', 'flag_users_', 'flag_counts_') as $table) {
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if (strpos($field['tablename'], $table) === 0) {
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$name = str_replace($table, '', $field['tablename']);
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if (!empty($name) && !isset($flag_name)) {
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$flag_name = $name;
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}
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}
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}
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// Now update values, options, etc. to those selected in the imported view.
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switch ($type) {
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case 'field':
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switch ($id) {
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case 'ops':
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$new_field = array(
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'label' => $field['label'],
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'id' => 'ops',
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'table' => 'flagging',
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'field' => 'ops',
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'relationship' => 'flag_content_rel',
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);
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$new_rel = 'flag_content_rel';
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$flag_content_rel_user = 'current';
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break;
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case 'count':
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$new_field = array(
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'label' => $field['label'],
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'id' => 'count',
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'table' => 'flag_counts',
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'field' => 'count',
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'relationship' => 'flag_counts_rel',
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);
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$new_rel = 'flag_counts_rel';
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break;
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case 'name':
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$new_field = array(
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'label' => $field['label'],
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'link_to_user' => 1,
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'id' => 'name',
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'table' => 'users',
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'field' => 'name',
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'relationship' => 'uid',
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);
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$new_rel = 'uid';
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break;
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}
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break;
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case 'filter':
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case 'exposed_filter':
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switch ($id) {
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case 'uid':
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// The flagging uid filter means "Include content only flagged by
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// the current user". In D6, this is no longer a filter, but instead
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// part of the relationship. Make the relationship join on the uid.
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if ($field['value'] == '***CURRENT_USER***') {
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$new_rel = 'flag_content_rel';
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$flag_content_rel_user = 'current';
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}
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// Remove the old filter.
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$view->set_item('default', $type, $id, NULL);
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break;
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case 'timestamp':
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$new_field = array(
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'operator' => $field['operator'],
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'value' => flag_views_convert_timestamp_value($field['value']),
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'group' => 0,
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'id' => 'timestamp',
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'table' => 'flagging',
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'field' => 'timestamp',
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'relationship' => 'flag_content_rel',
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'exposed' => $type == 'exposed_filter' ? 1 : 0,
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);
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$new_rel = 'flag_content_rel';
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drupal_set_message(t('Flag is not able to convert the <em>Flagged time</em> filter. It\'s value is currently empty, but needs to be populated to work properly.'), 'warning');
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break;
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case 'count':
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$new_field = array(
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'operator' => $field['operator'],
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'value' => array('value' => $field['value']),
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'group' => 0,
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'id' => 'count',
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'table' => 'flag_counts',
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'field' => 'count',
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'relationship' => 'flag_counts_rel',
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'exposed' => $type == 'exposed_filter' ? 1 : 0,
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);
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$new_rel = 'flag_counts_rel';
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break;
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}
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break;
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case 'argument':
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// Flag in Drupal 5 only provides one argument, and in Views 1 arguments
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// weren't given and ID, so we use the field type.
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if (strpos($field['type'], 'flag_content_') === 0) {
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$new_field = array(
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'id' => 'uid',
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'table' => 'users',
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'field' => 'uid',
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'relationship' => 'uid',
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);
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$new_rel = 'uid';
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}
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break;
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case 'sort':
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switch ($id) {
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case 'count':
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$new_field = array(
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'order' => $field['sortorder'],
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'id' => 'count',
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'table' => 'flag_counts',
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'field' => 'count',
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'relationship' => 'flag_counts_rel',
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);
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$new_rel = 'flag_counts_rel';
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break;
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case 'timestamp':
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$new_field = array(
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'order' => $field['sortorder'],
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'id' => 'timestamp',
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'table' => 'flagging',
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'field' => 'timestamp',
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'relationship' => 'flag_content_rel',
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);
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$new_rel = 'flag_content_rel';
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break;
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}
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break;
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}
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// Add any new fields.
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if (isset($new_field)) {
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// Exposed filters are now wrapped into filters.
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$type = $type == 'exposed_filter' ? 'filter' : $type;
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// Update the type in the view options.
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$view->set_item('default', $type, $id, $new_field);
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}
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// Add any new relationships (but only once per view).
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if (isset($new_rel) && !isset($view->display[$display]->display_options['relationships'][$new_rel])) {
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if ($new_rel == 'flag_content_rel') {
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$view->display[$display]->display_options['relationships'][$new_rel] = array(
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'label' => $flag_name,
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'required' => 1,
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'flag' => $flag_name,
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'user_scope' => 'any',
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'id' => 'flag_content_rel',
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'table' => 'node',
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'field' => 'flag_content_rel',
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'relationship' => 'none',
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);
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}
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elseif ($new_rel == 'flag_counts_rel') {
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$view->display[$display]->display_options['relationships'][$new_rel] = array(
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'label' => $flag_name . ' counts',
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'required' => 0,
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'flag' => $flag_name,
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'id' => 'flag_counts_rel',
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'table' => 'node',
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'field' => 'flag_counts_rel',
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'relationship' => 'none',
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);
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}
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elseif ($new_rel == 'uid') {
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$view->display[$display]->display_options['relationships'][$new_rel] = array(
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'label' => isset($flag_name) ? $flag_name . ' user' : 'user',
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'required' => 0,
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'id' => 'uid',
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'table' => 'flagging',
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'field' => 'uid',
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'relationship' => 'flag_content_rel',
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);
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}
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}
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// Modify relationships if needed.
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if (isset($flag_content_rel_user) && isset($view->display[$display]->display_options['relationships']['flag_content_rel'])) {
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$view->display[$display]->display_options['relationships']['flag_content_rel']['user_scope'] = 'current';
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}
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}
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/**
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* In Views 1, dates were simply stored as a single string. In Views 2, the
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* value is stored as an array of options.
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*/
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function flag_views_convert_timestamp_value($value) {
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$type = 'date';
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if (stripos($value, 'now') !== FALSE) {
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$type = 'offset';
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$value = trim(str_ireplace('now', '', $value));
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}
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return array(
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'type' => $type,
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'value' => $value,
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'min' => '',
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'max' => '',
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);
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}
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