File "csv_importer.php"
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Charset: utf-8
<?php
/*
Plugin Name: CSV Importer
Description: Import data as posts from a CSV file. <em>You can reach the author at <a href="mailto:d.v.kobozev@gmail.com">d.v.kobozev@gmail.com</a></em>.
Version: 0.4.2
Author: Denis Kobozev
Author URI: https://www.wpallimport.com/
*/
class CSVImporterPlugin {
var $defaults = array(
'csv_post_title' => null,
'csv_post_post' => null,
'csv_post_type' => null,
'csv_post_excerpt' => null,
'csv_post_date' => null,
'csv_post_tags' => null,
'csv_post_categories' => null,
'csv_post_author' => null,
'csv_post_slug' => null,
'csv_post_parent' => 0,
);
var $log = array();
/**
* Determine value of option $name from database, $default value or $params,
* save it to the db if needed and return it.
*
* @param string $name
* @param mixed $default
* @param array $params
* @return string
*/
function process_option($name, $default, $params) {
if (array_key_exists($name, $params)) {
$value = stripslashes($params[$name]);
} elseif (array_key_exists('_'.$name, $params)) {
// unchecked checkbox value
$value = stripslashes($params['_'.$name]);
} else {
$value = null;
}
$stored_value = get_option($name);
if ($value == null) {
if ($stored_value === false) {
if (is_callable($default) &&
method_exists($default[0], $default[1])) {
$value = call_user_func($default);
} else {
$value = $default;
}
add_option($name, $value);
} else {
$value = $stored_value;
}
} else {
if ($stored_value === false) {
add_option($name, $value);
} elseif ($stored_value != $value) {
update_option($name, $value);
}
}
return $value;
}
/**
* Plugin's interface
*
* @return void
*/
function form() {
$opt_draft = $this->process_option('csv_importer_import_as_draft',
'publish', $_POST);
$opt_cat = $this->process_option('csv_importer_cat', 0, $_POST);
if ('POST' == $_SERVER['REQUEST_METHOD']) {
$this->post(compact('opt_draft', 'opt_cat'));
}
// form HTML {{{
?>
<div class="wrap">
<h2>Import CSV</h2>
<form method="post" enctype="multipart/form-data">
<?php wp_nonce_field('csv-importer', '_csv_importer_nonce'); ?>
<table class="form-table widefat wp-list-table">
<tbody>
<!-- Import as draft -->
<tr valign="top">
<td scope="row"><b>Import as draft</b></td>
<td>
<input name="_csv_importer_import_as_draft" type="hidden" value="publish" />
<label>
<input name="csv_importer_import_as_draft" type="checkbox" <?php if ('draft' == $opt_draft) { echo 'checked="checked"'; } ?> value="draft" />
Yes
</label>
</td>
</tr>
<!-- Parent category -->
<tr valign="top">
<td scope="row"><b>Parent category</b></td>
<td>
<?php wp_dropdown_categories(array(
'show_option_all' => 'Select one ...',
'hide_empty' => 0,
'hierarchical' => 1,
'show_count' => 0,
'name' => 'csv_importer_cat',
'orderby' => 'name',
'selected' => $opt_cat
)); ?>
<br/>
<small>This will create new categories inside the category parent you choose.</small>
</td>
</tr>
<!-- File input -->
<tr valign="top">
<td scope="row"><b>Upload file</b></td>
<td scope="row">
<label for="csv_import"></label>
<input name="csv_import" id="csv_import" type="file" value="" aria-required="true" />
</br>
<small>
<?php
// echo sprintf( __( 'You may want to see <a href="%s">the example of the CSV file</a>.' , 'csv-importer'), esc_url( plugin_dir_url(__FILE__).'examples/sample.csv' ) );
echo sprintf( __( 'You may want to see <a href="#" id="viewExamplesLink">example CSV import files</a>.', 'csv-importer' ) );
?>
</small>
</td>
</tr>
<!-- Submit button -->
<tr valign="top">
<td><input type="submit" class="button-primary" name="submit" value="Import" /></td>
</tr>
</tbody>
</table>
</form>
</div><!-- end wrap -->
<div id="exampleFilesModal" style="min-width:300px; display:none; position: fixed; top: 20%; left: 50%; transform: translate(-50%, -50%); background:#fff; padding:5px 20px 20px 20px; border-radius:5px; box-shadow: 0 0 15px rgba(0,0,0,.2); z-index: 1000;">
<h2><?php _e('Example CSV Files', 'csv-importer'); ?></h2>
<ul>
<?php
$examples_dir = plugin_dir_path(__FILE__) . 'examples/';
$examples_url = plugin_dir_url(__FILE__) . 'examples/';
if ($handle = opendir($examples_dir)) {
while (false !== ($entry = readdir($handle))) {
if ($entry != "." && $entry != "..") {
echo '<li><a href="'. esc_url($examples_url . $entry) .'" download>'. esc_html($entry) .'</a></li>';
}
}
closedir($handle);
}
?>
</ul>
<button id="closeModal" class="button" style="margin-top: 10px";>Close</button>
</div>
<script type="text/javascript">
jQuery(document).ready(function($) {
$('#viewExamplesLink').click(function(e) {
e.preventDefault(); // Prevent the default link behavior
$('#exampleFilesModal').fadeIn();
});
$('#closeModal').click(function() {
$('#exampleFilesModal').fadeOut();
});
});
</script>
<?php include 'includes/notice.php'; ?>
<?php
// end form HTML }}}
}
function print_messages() {
if (!empty($this->log)) {
// messages HTML {{{
?>
<div class="wrap">
<?php if (!empty($this->log['error'])): ?>
<div class="error">
<?php foreach ($this->log['error'] as $error): ?>
<p><strong><?php echo esc_html($error); ?></strong></p>
<?php endforeach; ?>
</div>
<?php endif; ?>
<?php if (!empty($this->log['notice'])): ?>
<div class="updated fade">
<?php foreach ($this->log['notice'] as $notice): ?>
<p><strong><?php echo esc_html($notice); ?></strong></p>
<?php endforeach; ?>
</div>
<?php endif; ?>
</div><!-- end wrap -->
<?php
// end messages HTML }}}
$this->log = array();
}
}
/**
* Handle POST submission
*
* @param array $options
* @return void
*/
function post($options) {
if( !current_user_can( 'manage_options' ) ) {
die( esc_html_e( 'Security check', 'csv_importer' ) );
}
if ( !isset( $_POST['_csv_importer_nonce'] ) || !wp_verify_nonce( $_POST['_csv_importer_nonce'], 'csv-importer' ) ) {
die( esc_html_e( 'Security check', 'csv_importer' ) );
}
if (empty($_FILES['csv_import']['tmp_name'])) {
$this->log['error'][] = 'No file uploaded, aborting.';
$this->print_messages();
return;
}
if (!current_user_can('publish_pages') || !current_user_can('publish_posts')) {
$this->log['error'][] = 'You don\'t have the permissions to publish posts and pages. Please contact the blog\'s administrator.';
$this->print_messages();
return;
}
require_once 'File_CSV_DataSource/DataSource.php';
$time_start = microtime(true);
$csv = new File_CSV_DataSource;
$file = $_FILES['csv_import']['tmp_name'];
$this->stripBOM($file);
if (!$csv->load($file)) {
$this->log['error'][] = 'Failed to load file, aborting.';
$this->print_messages();
return;
}
// pad shorter rows with empty values
$csv->symmetrize();
// WordPress sets the correct timezone for date functions somewhere
// in the bowels of wp_insert_post(). We need strtotime() to return
// correct time before the call to wp_insert_post().
$tz = get_option('timezone_string');
if ($tz && function_exists('date_default_timezone_set')) {
date_default_timezone_set($tz);
}
$skipped = 0;
$imported = 0;
$comments = 0;
foreach ($csv->connect() as $csv_data) {
if ($post_id = $this->create_post($csv_data, $options)) {
$imported++;
$comments += $this->add_comments($post_id, $csv_data);
$this->create_custom_fields($post_id, $csv_data);
} else {
$skipped++;
}
}
if (file_exists($file)) {
@unlink($file);
}
$exec_time = microtime(true) - $time_start;
if ($skipped) {
$this->log['notice'][] = "Skipped {$skipped} posts (most likely due to empty title, body and excerpt).";
}
$this->log['notice'][] = sprintf("Imported {$imported} posts and {$comments} comments in %.2f seconds.", $exec_time);
$this->print_messages();
}
function create_post($data, $options) {
$opt_draft = isset($options['opt_draft']) ? $options['opt_draft'] : null;
$opt_cat = isset($options['opt_cat']) ? $options['opt_cat'] : null;
$data = array_merge($this->defaults, $data);
$type = $data['csv_post_type'] ? $data['csv_post_type'] : 'post';
$valid_type = (function_exists('post_type_exists') &&
post_type_exists($type)) || in_array($type, array('post', 'page'));
if (!$valid_type) {
$this->log['error']["type-{$type}"] = sprintf(
'Unknown post type "%s".', $type);
}
$new_post = array(
'post_title' => convert_chars($data['csv_post_title']),
'post_content' => wpautop(convert_chars($data['csv_post_post'])),
'post_status' => $opt_draft,
'post_type' => $type,
'post_date' => $this->parse_date($data['csv_post_date']),
'post_excerpt' => convert_chars($data['csv_post_excerpt']),
'post_name' => $data['csv_post_slug'],
'post_author' => $this->get_auth_id($data['csv_post_author']),
'tax_input' => $this->get_taxonomies($data),
'post_parent' => $data['csv_post_parent'],
);
// pages don't have tags or categories
if ('page' !== $type) {
$new_post['tags_input'] = $data['csv_post_tags'];
// Setup categories before inserting - this should make insertion
// faster, but I don't exactly remember why :) Most likely because
// we don't assign default cat to post when csv_post_categories
// is not empty.
$cats = $this->create_or_get_categories($data, $opt_cat);
$new_post['post_category'] = $cats['post'];
}
// create!
$id = wp_insert_post($new_post);
if ('page' !== $type && !$id) {
// cleanup new categories on failure
foreach ($cats['cleanup'] as $c) {
wp_delete_term($c, 'category');
}
}
return $id;
}
/**
* Return an array of category ids for a post.
*
* @param string $data csv_post_categories cell contents
* @param integer $common_parent_id common parent id for all categories
* @return array category ids
*/
function create_or_get_categories($data, $common_parent_id) {
$ids = array(
'post' => array(),
'cleanup' => array(),
);
$items = array_map('trim', explode(',', $data['csv_post_categories']));
foreach ($items as $item) {
if (is_numeric($item)) {
if (get_category($item) !== null) {
$ids['post'][] = $item;
} else {
$this->log['error'][] = "Category ID {$item} does not exist, skipping.";
}
} else {
$parent_id = $common_parent_id;
// item can be a single category name or a string such as
// Parent > Child > Grandchild
$categories = array_map('trim', explode('>', $item));
if (count($categories) > 1 && is_numeric($categories[0])) {
$parent_id = $categories[0];
if (get_category($parent_id) !== null) {
// valid id, everything's ok
$categories = array_slice($categories, 1);
} else {
$this->log['error'][] = "Category ID {$parent_id} does not exist, skipping.";
continue;
}
}
foreach ($categories as $category) {
if ($category) {
$term = $this->term_exists($category, 'category', $parent_id);
if ($term) {
$term_id = $term['term_id'];
} else {
$term_id = wp_insert_category(array(
'cat_name' => $category,
'category_parent' => $parent_id,
));
$ids['cleanup'][] = $term_id;
}
$parent_id = $term_id;
}
}
if(isset($term_id)) {
$ids['post'][] = $term_id;
}
}
}
return $ids;
}
/**
* Parse taxonomy data from the file
*
* array(
* // hierarchical taxonomy name => ID array
* 'my taxonomy 1' => array(1, 2, 3, ...),
* // non-hierarchical taxonomy name => term names string
* 'my taxonomy 2' => array('term1', 'term2', ...),
* )
*
* @param array $data
* @return array
*/
function get_taxonomies($data) {
$taxonomies = array();
foreach ($data as $k => $v) {
if (preg_match('/^csv_ctax_(.*)$/', $k, $matches)) {
$t_name = $matches[1];
if ($this->taxonomy_exists($t_name)) {
$taxonomies[$t_name] = $this->create_terms($t_name,
$data[$k]);
} else {
$this->log['error'][] = "Unknown taxonomy $t_name";
}
}
}
return $taxonomies;
}
/**
* Return an array of term IDs for hierarchical taxonomies or the original
* string from CSV for non-hierarchical taxonomies. The original string
* should have the same format as csv_post_tags.
*
* @param string $taxonomy
* @param string $field
* @return mixed
*/
function create_terms($taxonomy, $field) {
if (is_taxonomy_hierarchical($taxonomy)) {
$term_ids = array();
foreach ($this->_parse_tax($field) as $row) {
list($parent, $child) = $row;
$parent_ok = true;
if ($parent) {
$parent_info = $this->term_exists($parent, $taxonomy);
if (!$parent_info) {
// create parent
$parent_info = wp_insert_term($parent, $taxonomy);
}
if (!is_wp_error($parent_info)) {
$parent_id = $parent_info['term_id'];
} else {
// could not find or create parent
$parent_ok = false;
}
} else {
$parent_id = 0;
}
if ($parent_ok) {
$child_info = $this->term_exists($child, $taxonomy, $parent_id);
if (!$child_info) {
// create child
$child_info = wp_insert_term($child, $taxonomy,
array('parent' => $parent_id));
}
if (!is_wp_error($child_info)) {
$term_ids[] = $child_info['term_id'];
}
}
}
return $term_ids;
} else {
return $field;
}
}
/**
* Compatibility wrapper for WordPress term lookup.
*/
function term_exists($term, $taxonomy = '', $parent = 0) {
if (function_exists('term_exists')) { // 3.0 or later
return term_exists($term, $taxonomy, $parent);
} else {
return is_term($term, $taxonomy, $parent);
}
}
/**
* Compatibility wrapper for WordPress taxonomy lookup.
*/
function taxonomy_exists($taxonomy) {
if (function_exists('taxonomy_exists')) { // 3.0 or later
return taxonomy_exists($taxonomy);
} else {
return is_taxonomy($taxonomy);
}
}
/**
* Hierarchical taxonomy fields are tiny CSV files in their own right.
*
* @param string $field
* @return array
*/
function _parse_tax($field) {
$data = array();
if (function_exists('str_getcsv')) { // PHP 5 >= 5.3.0
$lines = $this->split_lines($field);
foreach ($lines as $line) {
$data[] = str_getcsv($line, ',', '"');
}
} else {
// Use temp files for older PHP versions. Reusing the tmp file for
// the duration of the script might be faster, but not necessarily
// significant.
$handle = tmpfile();
fwrite($handle, $field);
fseek($handle, 0);
while (($r = fgetcsv($handle, 999999, ',', '"')) !== false) {
$data[] = $r;
}
fclose($handle);
}
return $data;
}
/**
* Try to split lines of text correctly regardless of the platform the text
* is coming from.
*/
function split_lines($text) {
$lines = preg_split("/(\r\n|\n|\r)/", $text);
return $lines;
}
function add_comments($post_id, $data) {
// First get a list of the comments for this post
$comments = array();
foreach ($data as $k => $v) {
// comments start with cvs_comment_
if ( preg_match('/^csv_comment_([^_]+)_(.*)/', $k, $matches) &&
$v != '') {
$comments[$matches[1]] = 1;
}
}
// Sort this list which specifies the order they are inserted, in case
// that matters somewhere
ksort($comments);
// Now go through each comment and insert it. More fields are possible
// in principle (see docu of wp_insert_comment), but I didn't have data
// for them so I didn't test them, so I didn't include them.
$count = 0;
foreach ($comments as $cid => $v) {
$new_comment = array(
'comment_post_ID' => $post_id,
'comment_approved' => 1,
);
if (isset($data["csv_comment_{$cid}_author"])) {
$new_comment['comment_author'] = convert_chars(
$data["csv_comment_{$cid}_author"]);
}
if (isset($data["csv_comment_{$cid}_author_email"])) {
$new_comment['comment_author_email'] = convert_chars(
$data["csv_comment_{$cid}_author_email"]);
}
if (isset($data["csv_comment_{$cid}_url"])) {
$new_comment['comment_author_url'] = convert_chars(
$data["csv_comment_{$cid}_url"]);
}
if (isset($data["csv_comment_{$cid}_content"])) {
$new_comment['comment_content'] = convert_chars(
$data["csv_comment_{$cid}_content"]);
}
if (isset($data["csv_comment_{$cid}_date"])) {
$new_comment['comment_date'] = $this->parse_date(
$data["csv_comment_{$cid}_date"]);
}
$id = wp_insert_comment($new_comment);
if ($id) {
$count++;
} else {
$this->log['error'][] = "Could not add comment $cid";
}
}
return $count;
}
function create_custom_fields($post_id, $data) {
foreach ($data as $k => $v) {
// anything that doesn't start with csv_ is a custom field
if (!preg_match('/^csv_/', $k) && $v != '') {
add_post_meta($post_id, $k, $v);
}
}
}
function get_auth_id($author) {
if (is_numeric($author)) {
return $author;
}
// get_userdatabylogin is deprecated as of 3.3.0
if (function_exists('get_user_by')) {
$author_data = get_user_by('login', $author);
} else {
$author_data = get_userdatabylogin($author);
}
return ($author_data) ? $author_data->ID : 0;
}
/**
* Convert date in CSV file to 1999-12-31 23:52:00 format
*
* @param string $data
* @return string
*/
function parse_date($data) {
$timestamp = strtotime($data);
if (false === $timestamp) {
return '';
} else {
return date('Y-m-d H:i:s', $timestamp);
}
}
/**
* Delete BOM from UTF-8 file.
*
* @param string $fname
* @return void
*/
function stripBOM($fname) {
$res = fopen($fname, 'rb');
if (false !== $res) {
$bytes = fread($res, 3);
if ($bytes == pack('CCC', 0xef, 0xbb, 0xbf)) {
$this->log['notice'][] = 'Getting rid of byte order mark...';
fclose($res);
$contents = file_get_contents($fname);
if (false === $contents) {
trigger_error('Failed to get file contents.', E_USER_WARNING);
}
$contents = substr($contents, 3);
$success = file_put_contents($fname, $contents);
if (false === $success) {
trigger_error('Failed to put file contents.', E_USER_WARNING);
}
} else {
fclose($res);
}
} else {
$this->log['error'][] = 'Failed to open file, aborting.';
}
}
}
if(!defined('ABSPATH')) {
die;
}
function csv_admin_menu() {
require_once ABSPATH . '/wp-admin/admin.php';
$plugin = new CSVImporterPlugin;
add_management_page('edit.php', 'CSV Importer', 'manage_options', __FILE__,
array($plugin, 'form'));
}
add_action('admin_menu', 'csv_admin_menu');
add_action( 'admin_enqueue_scripts', 'enqueue_assets' );
function enqueue_assets($hook) {
if( 'tools_page_csv-importer/csv_importer' !== $hook ) {
return;
}
wp_enqueue_style( 'import-users-from-csv-css', plugin_dir_url( __FILE__ ) . 'includes/assets/notice.css' );
}