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<?php
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/**
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* Implements hook_menu().
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*/
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function dwca_export_menu() {
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$items = array();
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$items['admin/config/system/dwca_export/settings'] = array(
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'title' => t('DarwinCore-Archive export'),
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'page callback' => 'drupal_get_form',
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'page arguments' => array('dwca_export_config_form'),
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'access arguments' => array('access administration pages'),
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'type' => MENU_LOCAL_TASK,
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//'file' => 'dwca_export.admin.inc'
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);
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$items['dwca_export'] = array(
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'page callback' => 'dwca_export_deliver_archive',
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'access arguments' => TRUE,
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'type' => MENU_CALLBACK
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);
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return $items;
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}
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/**
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* Implementation of hook_views_api()
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*
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* drupal will load dwca_export.views_default.inc when this hook is implemented
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*/
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function dwca_export_views_api() {
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return array('api' => 3.0);
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}
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/**
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* Form function, called by drupal_get_form()
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* in dwca_export_menu().
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*/
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function dwca_export_config_form($form, &$form_state) {
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$form['dwca_export_todo'] = array(
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'#markup' => '<p>No settings implemented yet.</p>'
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);
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return system_settings_form($form);
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}
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/**
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* menu callback
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*/
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function dwca_export_deliver_archive() {
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$tmp_archive_file_name = dwca_export_create_archive( _get_views_map() );
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if($tmp_archive_file_name){
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file_transfer($tmp_archive_file_name, array('Content-Type' => 'application/zip'));
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} else {
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print "ERROR";
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}
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}
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/**
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* Walks all view export paths defined in the $views_map.
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* Each file is downloaded to the tmp folder and a zip file
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* is bundeled of the resulting csv files plus the meta file.
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*
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* @param - $views_map maps a view paths to dwca filenames
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*
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* @return the path in the filesystem to the final archive,
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* or FALSE in case of an error.
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*/
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function dwca_export_create_archive($views_map) {
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$tmp_archive_file_name = drupal_tempnam("temporary://", "dwca_export_");
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return $tmp_archive_file_name;
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}
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/**
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* provides the settings which map a view path to
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* a dwca filename.
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*
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*/
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function _get_views_map() {
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return array(
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'dwca_export/classification/csv' => 'classification.txt'
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);
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}
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