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Also delete from searchindex when deleting a page. Speculative fix for #35, but it seems #41 needs fixing first.

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This commit is contained in:
Starbeamrainbowlabs 2015-11-14 17:01:23 +00:00
parent e191887bcb
commit b539cb4107
4 changed files with 62 additions and 4 deletions
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31
build/index.php
View file

@ -1763,6 +1763,25 @@ class search
});
}
/**
* Deletes the given pageid from the given pageindex.
* @param inverted_index &$invindex The inverted index.
* @param number $pageid The pageid to remove.
*/
public static function delete_entry(&$invindex, $pageid)
{
$str_pageid = (string)$pageid;
foreach($invindex as $nterm => &$entry)
{
if(isset($entry[$pageid]))
unset($entry[$pageid]);
if(isset($entry[$str_pageid]))
unset($entry[$str_pageid]);
if(count($entry) === 0)
unset($invindex[$nterm]);
}
}
public static function save_invindex($filename, &$invindex)
{
file_put_contents($filename, json_encode($invindex));
@ -2375,7 +2394,7 @@ register_module([
"id" => "page-delete",
"code" => function() {
add_action("delete", function() {
global $pageindex, $settings, $env, $paths;
global $pageindex, $settings, $env, $paths, $modules;
if(!$settings->editing)
{
exit(page_renderer::render_main("Deleting $env->page - error", "<p>You tried to delete $env->page, but editing is disabled on this wiki.</p>
@ -2400,6 +2419,7 @@ register_module([
{
unlink($env->storage_prefix . $pageindex->$page->uploadedfilepath);
}
// Delete the page from the page index
unset($pageindex->$page);
@ -2409,6 +2429,15 @@ register_module([
// Remove the page's name from the id index
ids::deletepagename($env->page);
// Delete the page from the search index, if that module is installed
if(isset($modules["feature-search"]))
{
$pageid = ids::getid($env->page);
$invindex = search::load_invindex($paths->searchindex);
search::delete_entry($invindex, $pageid);
search::save_invindex($paths->searchindex, $invindex);
}
// Delete the page from the disk
unlink("$env->storage_prefix$env->page.md");

4
module_index.json
View file

@ -50,7 +50,7 @@
"author": "Starbeamrainbowlabs",
"description": "Adds proper search functionality to Pepperminty Wiki. Note that this module, at the moment, just contains test code while I figure out how best to write a search engine.",
"id": "feature-search",
"lastupdate": 1447267196,
"lastupdate": 1447520172,
"optional": false
},
{
@ -77,7 +77,7 @@
"author": "Starbeamrainbowlabs",
"description": "Adds an action to allow administrators to delete pages.",
"id": "page-delete",
"lastupdate": 1447269891,
"lastupdate": 1447520092,
"optional": false
},
{

19
modules/feature-search.php
View file

@ -278,6 +278,25 @@ class search
});
}
/**
* Deletes the given pageid from the given pageindex.
* @param inverted_index &$invindex The inverted index.
* @param number $pageid The pageid to remove.
*/
public static function delete_entry(&$invindex, $pageid)
{
$str_pageid = (string)$pageid;
foreach($invindex as $nterm => &$entry)
{
if(isset($entry[$pageid]))
unset($entry[$pageid]);
if(isset($entry[$str_pageid]))
unset($entry[$str_pageid]);
if(count($entry) === 0)
unset($invindex[$nterm]);
}
}
public static function save_invindex($filename, &$invindex)
{
file_put_contents($filename, json_encode($invindex));

12
modules/page-delete.php
View file

@ -7,7 +7,7 @@ register_module([
"id" => "page-delete",
"code" => function() {
add_action("delete", function() {
global $pageindex, $settings, $env, $paths;
global $pageindex, $settings, $env, $paths, $modules;
if(!$settings->editing)
{
exit(page_renderer::render_main("Deleting $env->page - error", "<p>You tried to delete $env->page, but editing is disabled on this wiki.</p>
@ -32,6 +32,7 @@ register_module([
{
unlink($env->storage_prefix . $pageindex->$page->uploadedfilepath);
}
// Delete the page from the page index
unset($pageindex->$page);
@ -41,6 +42,15 @@ register_module([
// Remove the page's name from the id index
ids::deletepagename($env->page);
// Delete the page from the search index, if that module is installed
if(isset($modules["feature-search"]))
{
$pageid = ids::getid($env->page);
$invindex = search::load_invindex($paths->searchindex);
search::delete_entry($invindex, $pageid);
search::save_invindex($paths->searchindex, $invindex);
}
// Delete the page from the disk
unlink("$env->storage_prefix$env->page.md");