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complete rewrite to use wp_options instead of separate DB table, and extend geocoding variants

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Harald Milz 2019-03-28 16:31:55 +01:00
parent 784c519941
commit 60ee5abd2d
1 changed files with 74 additions and 37 deletions
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111
gcal-import-worker.php
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@ -20,8 +20,10 @@ defined( 'ABSPATH' ) or die( 'No script kiddies please!' );
function gcal_import_worker()
{
error_log ("gcal_import_worker started", 0);
/*
error_log ("und wieder raus.");
return (0);
*/
/*
* retrieve the proxy from the db, and if it exists, construct a context.
@ -34,7 +36,7 @@ function gcal_import_worker()
* vi +809 ./wp-admin/includes/post.php function wp_write_post()
*/
/*
global $wpdb;
$table = $wpdb->prefix.GCAL_TABLE;
$categories = $wpdb->get_results("SELECT gcal_category, gcal_link from $table WHERE gcal_active = '1'");
@ -50,20 +52,48 @@ function gcal_import_worker()
$table = $wpdb->prefix . 'postmeta';
$post_ids = $wpdb->get_results("SELECT post_id FROM $table WHERE
meta_key = '_gcal_category' AND meta_value = '$category->gcal_category'");
*/
// die ganze Logik ist Mist, weil immer wieder die gleichen termine gelöscht und neu angelegt werden, was Last auf WP bringt.
$options = get_option('gcal_options');
$file = dirname ( __FILE__ ) . '/options.txt';
file_put_contents ($file, var_export($options, TRUE));
$terms = get_terms( array(
'taxonomy' => 'termine_type',
'hide_empty' => false, )
);
foreach($terms as $term){
$unique_id = 'gcal_feed_' . $term->name;
error_log ("found event category $unique_id");
if ( empty ( $options[$unique_id] ) || $options[$unique_id] == '' ) {
error_log ( "event category $term->name is not set; next");
continue;
}
// die Terminposts sind in postmeta:_gcal_category markiert:
/* $table = $wpdb->prefix . 'postmeta';
$post_ids = $wpdb->get_results("SELECT post_id FROM $table WHERE
meta_key = '_gcal_category' AND meta_value = '$unique_id'");
*/
$term_id = $term->term_id ;
$post_ids = get_objects_in_term( $term_id, 'termine_type', $args );
foreach ($post_ids as $post_id) {
error_log ("trashing post_id $post_id");
wp_trash_post($post_id); // should we DELETE here?
}
// die ganze Lösch-Logik ist Mist, weil immer wieder die gleichen termine gelöscht und neu angelegt werden, was Last auf WP bringt.
// besser: wir merken uns je Kalendereintrag die Google-UID und
// - wenn der Eintrag schon existiert: nur updaten
// - wenn nicht, neu anlegen
// - wenn im Reply ein vorhandener Termin nicht vorkommt, wurde er wohl gelöscht, und raus damit.
// d.h. wir merken uns in postmeta zusätzlich die _gcal_uid.
foreach ($post_ids as $post_id) {
error_log ("trashing post_id $post_id->post_id");
wp_trash_post($post_id->post_id); // should we DELETE here?
}
// jetzt die neuen Posts anlegen
gcal_import_do_import($category->gcal_category, $category->gcal_link);
$link = $options[$unique_id];
error_log ("now importing event cat $term->name, link $link");
gcal_import_do_import($term->name, $link);
}
error_log ("gcal_import_worker finished", 0);
@ -89,29 +119,49 @@ function gcal_import_geoshow($location) {
}
/*
function getHttpCode($http_response_header)
{
if(is_array($http_response_header))
{
$parts=explode(' ',$http_response_header[0]);
if(count($parts)>1) //HTTP/1.0 <code> <text>
return intval($parts[1]); //Get code
}
return 0;
}
*/
// TODO: den ganzen Geo-Kram in separate Datei auslagern.
function gcal_import_geocode($location) {
error_log ("entering gcal_import_geocode ($location)");
$options = get_option('gcal_options');
switch ( $options['gcal_geocoding'] ) {
case "official" :
return gcal_import_geocode_official($location);
break;
case "inofficial" :
return gcal_import_geocode_inofficial($location);
break;
case "osm" :
return gcal_import_geocode_osm($location);
break;
default:
return array ('','');
}
}
function gcal_import_geocode_official($location) {
return array ('','');
}
function gcal_import_geocode_osm($location) {
return array ('','');
}
function gcal_import_geocode_inofficial($location) {
error_log ("entering gcal_import_geocode_inofficial($location)");
// we try to cache results as we will need many times the same results especially for recurring events.
// we will use a hash for the location because the hash has a fixed length, while the location has not.
// This table will grow indefinitely over time, so we need to add a timestamp field and remove
// entries that are older than, say, 30 days each time.
// this will also cope with Google subtly changing location strings in Maps over time.
// new entries will thus replace outdated ones over time.
global $wpdb;
$table = $wpdb->prefix.GCAL_GEO_TABLE;
/*
@ -138,7 +188,6 @@ function gcal_import_geocode($location) {
error_log ("gcal_import_geocode found hash $hash lat $result[0] lon $result[1]");
return ($result);
} else {
// do the housekeeping first, before we create a new caching entry.
$outdated = time() - 2592000; // 30 Tage
$query = "DELETE FROM $table WHERE gcal_geo_timestamp < $outdated";
@ -146,25 +195,11 @@ function gcal_import_geocode($location) {
$attempts = 0;
$success = false;
// let's be a mobile Firefox Klar browser just for fun.
$useragent = "User-Agent: Mozilla/5.0 (Android 7.0; Mobile; rv:62.0) Gecko/62.0 Firefox/62.0";
// we'll need to be easy with GMaps in order no to get a 429 Too Many Requests.
// max 3 retries with 2 second pauses, else we give up.
while ($success == false && $attempts < 3) {
// @ = 'ignore_errors' => TRUE
$url = "https://maps.google.com/maps?q=" . urlencode ($location);
/*
// we use curl instead of file_get_contents because curl does many high level things e.g. redirects and cookies
$ch = curl_init($url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
// but Google does not seem to like the useragent. The result is crap.
// curl_setopt($ch, CURLOPT_USERAGENT, $useragent);
// später können wir noch einen proxy einbauen:
// curl_setopt($ch, CURLOPT_PROXY, $proxy);
$result = curl_exec($ch);
$http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
curl_close($ch);
*/
// we use wp-remote.* instead of file_get_contents because it does many high level things e.g. redirects
$response = wp_remote_get($url);
$result = wp_remote_retrieve_body($response);
@ -339,7 +374,7 @@ function gcal_import_do_import($category, $link) {
'_veranstalter' => '',
'_veranstalterlnk' => '',
'_zeitstempel' => $zeitstempel,
'_gcal_category' => $category,
// '_gcal_category' => $category,
);
// debug
@ -347,6 +382,8 @@ function gcal_import_do_import($category, $link) {
file_put_contents ( $file, var_export ($post, TRUE) );
$post_id = wp_insert_post( $post, false );
// und dann noch die Terminkategorie zuweisen:
wp_set_object_terms( $post_id, $category, 'termine_type' );
error_log ("posted new post $post_id");
// return ($post_id);
}