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Add initial dynamic page suggestions. Works better in Firefox than chrome - implements idea in #113

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Starbeamrainbowlabs 2016-11-20 13:24:35 +00:00
parent 9f6336b12d
commit 44e2348ab2
4 changed files with 177 additions and 9 deletions
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92
build/index.php
View file

@ -138,6 +138,7 @@ $guiConfig = <<<'GUICONFIG'
"search_characters_context": {"type": "number", "description": "The number of characters that should be displayed either side of a matching term in the context below each search result.", "default": 200},
"search_title_matches_weighting": {"type": "number", "description": "The weighting to give to search term matches found in a page's title.", "default": 10},
"search_tags_matches_weighting": {"type": "number", "description": "The weighting to give to search term matches found in a page's tags.", "default": 3},
"dynamic_page_suggestion_count": {"type": "number", "description": "The number of dynamic page name suggestions to fetch from the server when typing in the page search box. Note that lowering this number doesn't <em>really</em> improve performance. Set to 0 to disable.", "default": 7 },
"defaultaction": {"type": "text", "description": "The default action. This action will be performed if no other action is specified. It is recommended you set this to \"view\" - that way the user automatically views the default page (see above).", "default": "view"},
"updateurl": {"type": "url", "description": "The url from which to fetch updates. Defaults to the master (development) branch. MAKE SURE THAT THIS POINTS TO A *HTTPS* URL, OTHERWISE SOMEONE COULD INJECT A VIRUS INTO YOUR WIKI!", "default": "https://raw.githubusercontent.com/sbrl/pepperminty-wiki/master/index.php"},
"optimize_pages": {"type": "checkbox", "description": "Whether to optimise all webpages generated.", "default": true},
@ -2354,6 +2355,8 @@ register_module([
"description" => "Adds proper search functionality to Pepperminty Wiki using an inverted index to provide a full text search engine. If pages don't show up, then you might have hit a stop word. If not, try requesting the `invindex-rebuild` action to rebuild the inverted index from scratch.",
"id" => "feature-search",
"code" => function() {
global $settings;
/**
* @api {get} ?action=index&page={pageName} Get an index of words for a given page
* @apiName SearchIndex
@ -2563,12 +2566,93 @@ register_module([
<Url type=\"text/html\" method=\"get\" template=\"$siteRoot?action=search&amp;query={searchTerms}&amp;offset={startIndex?}&amp;count={count}\" />
</OpenSearchDescription>"));
});
add_action("suggest-pages", function() {
global $settings, $pageindex;
if($settings->dynamic_page_suggestion_count === 0)
{
header("content-type: application/json");
header("content-length: 2");
exit("[]");
}
if(empty($_GET["query"])) {
http_response_code(400);
header("content-type: text/plain");
exit("Error: You didn't specify the 'query' GET parameter.");
}
// Rank each page name
$results = [];
foreach($pageindex as $pageName => $entry) {
$results[] = [
"pagename" => $pageName,
// Costs: Insert: 1, Replace: 8, Delete: 6
"distance" => levenshtein($_GET["query"], $pageName, 1, 8, 6)
];
}
// Sort the page names by distance form the original query
usort($results, function($a, $b) {
if($a["distance"] == $b["distance"])
return strcmp($a["pagename"], $b["pagename"]);
return $a["distance"] < $b["distance"] ? -1 : 1;
});
// Send the results to the user
header("content-type: application/json");
exit(json_encode(array_slice($results, 0, $settings->dynamic_page_suggestion_count)));
});
if($settings->dynamic_page_suggestion_count > 0)
{
page_renderer::AddJSSnippet('/// Dynamic page suggestion system
// Micro snippet 8 - Promisified GET (fetched 20th Nov 2016)
function get(u){return new Promise(function(r,t,a){a=new XMLHttpRequest();a.onload=function(b,c){b=a.status;c=a.response;if(b>199&&b<300){r(c)}else{t(c)}};a.open("GET",u,true);a.send(null)})}
window.addEventListener("load", function(event) {
var searchBox = document.querySelector("input[type=search]");
searchBox.dataset.lastValue = "";
searchBox.addEventListener("keyup", function(event) {
// Make sure that we don\'t keep sending requests to the server if nothing has changed
if(searchBox.dataset.lastValue == event.target.value)
return;
searchBox.dataset.lastValue = event.target.value;
// Fetch the suggestions from the server
get("?action=suggest-pages&query=" + encodeURIComponent(event.target.value)).then(function(response) {
var suggestions = JSON.parse(response),
dataList = document.getElementById("allpages");
// If the server sent no suggestions, then we shouldn\'t replace the contents of the datalist
if(suggestions.length == 0)
return;
console.info(`Fetched suggestions for ${event.target.value}:`, suggestions.map(s => s.pagename));
// Remove all the existing suggestions
while(dataList.firstChild) {
dataList.removeChild(dataList.firstChild);
}
// Add the new suggestions to the datalist
suggestions.forEach(function(suggestion) {
var suggestionElement = document.createElement("option");
suggestionElement.value = suggestion.pagename;
suggestionElement.dataset.distance = suggestion.distance;
dataList.appendChild(suggestionElement);
});
});
});
});
');
}
}
]);
class search
{
// Words that we should exclude from the inverted index.
// Words that we should exclude from the inverted index
public static $stop_words = [
"a", "about", "above", "above", "across", "after", "afterwards", "again",
"against", "all", "almost", "alone", "along", "already", "also",
@ -2582,12 +2666,12 @@ class search
"describe", "detail", "do", "done", "down", "due", "during", "each",
"eg", "eight", "either", "eleven", "else", "elsewhere", "empty",
"enough", "etc", "even", "ever", "every", "everyone", "everything",
"everywhere", "except", "few", "fifteen", "fify", "fill", "find",
"fire", "first", "five", "for", "former", "formerly", "forty", "found",
"everywhere", "except", "few", "fill", "find",
"fire", "first", "five", "for", "former", "formerly", "found",
"four", "from", "front", "full", "further", "get", "give", "go", "had",
"has", "hasnt", "have", "he", "hence", "her", "here", "hereafter",
"hereby", "herein", "hereupon", "hers", "herself", "him", "himself",
"his", "how", "however", "hundred", "ie", "if", "in", "inc", "indeed",
"his", "how", "however", "ie", "if", "in", "inc", "indeed",
"interest", "into", "is", "it", "its", "itself", "keep", "last",
"latter", "latterly", "least", "less", "ltd", "made", "many", "may",
"me", "meanwhile", "might", "mine", "more", "moreover", "most",

2
module_index.json
View file

@ -77,7 +77,7 @@
"author": "Starbeamrainbowlabs",
"description": "Adds proper search functionality to Pepperminty Wiki using an inverted index to provide a full text search engine. If pages don't show up, then you might have hit a stop word. If not, try requesting the `invindex-rebuild` action to rebuild the inverted index from scratch.",
"id": "feature-search",
"lastupdate": 1477425835,
"lastupdate": 1479647348,
"optional": false
},
{

91
modules/feature-search.php
View file

@ -6,6 +6,8 @@ register_module([
"description" => "Adds proper search functionality to Pepperminty Wiki using an inverted index to provide a full text search engine. If pages don't show up, then you might have hit a stop word. If not, try requesting the `invindex-rebuild` action to rebuild the inverted index from scratch.",
"id" => "feature-search",
"code" => function() {
global $settings;
/**
* @api {get} ?action=index&page={pageName} Get an index of words for a given page
* @apiName SearchIndex
@ -215,12 +217,93 @@ register_module([
<Url type=\"text/html\" method=\"get\" template=\"$siteRoot?action=search&amp;query={searchTerms}&amp;offset={startIndex?}&amp;count={count}\" />
</OpenSearchDescription>"));
});
add_action("suggest-pages", function() {
global $settings, $pageindex;
if($settings->dynamic_page_suggestion_count === 0)
{
header("content-type: application/json");
header("content-length: 2");
exit("[]");
}
if(empty($_GET["query"])) {
http_response_code(400);
header("content-type: text/plain");
exit("Error: You didn't specify the 'query' GET parameter.");
}
// Rank each page name
$results = [];
foreach($pageindex as $pageName => $entry) {
$results[] = [
"pagename" => $pageName,
// Costs: Insert: 1, Replace: 8, Delete: 6
"distance" => levenshtein($_GET["query"], $pageName, 1, 8, 6)
];
}
// Sort the page names by distance form the original query
usort($results, function($a, $b) {
if($a["distance"] == $b["distance"])
return strcmp($a["pagename"], $b["pagename"]);
return $a["distance"] < $b["distance"] ? -1 : 1;
});
// Send the results to the user
header("content-type: application/json");
exit(json_encode(array_slice($results, 0, $settings->dynamic_page_suggestion_count)));
});
if($settings->dynamic_page_suggestion_count > 0)
{
page_renderer::AddJSSnippet('/// Dynamic page suggestion system
// Micro snippet 8 - Promisified GET (fetched 20th Nov 2016)
function get(u){return new Promise(function(r,t,a){a=new XMLHttpRequest();a.onload=function(b,c){b=a.status;c=a.response;if(b>199&&b<300){r(c)}else{t(c)}};a.open("GET",u,true);a.send(null)})}
window.addEventListener("load", function(event) {
var searchBox = document.querySelector("input[type=search]");
searchBox.dataset.lastValue = "";
searchBox.addEventListener("keyup", function(event) {
// Make sure that we don\'t keep sending requests to the server if nothing has changed
if(searchBox.dataset.lastValue == event.target.value)
return;
searchBox.dataset.lastValue = event.target.value;
// Fetch the suggestions from the server
get("?action=suggest-pages&query=" + encodeURIComponent(event.target.value)).then(function(response) {
var suggestions = JSON.parse(response),
dataList = document.getElementById("allpages");
// If the server sent no suggestions, then we shouldn\'t replace the contents of the datalist
if(suggestions.length == 0)
return;
console.info(`Fetched suggestions for ${event.target.value}:`, suggestions.map(s => s.pagename));
// Remove all the existing suggestions
while(dataList.firstChild) {
dataList.removeChild(dataList.firstChild);
}
// Add the new suggestions to the datalist
suggestions.forEach(function(suggestion) {
var suggestionElement = document.createElement("option");
suggestionElement.value = suggestion.pagename;
suggestionElement.dataset.distance = suggestion.distance;
dataList.appendChild(suggestionElement);
});
});
});
});
');
}
}
]);
class search
{
// Words that we should exclude from the inverted index.
// Words that we should exclude from the inverted index
public static $stop_words = [
"a", "about", "above", "above", "across", "after", "afterwards", "again",
"against", "all", "almost", "alone", "along", "already", "also",
@ -234,12 +317,12 @@ class search
"describe", "detail", "do", "done", "down", "due", "during", "each",
"eg", "eight", "either", "eleven", "else", "elsewhere", "empty",
"enough", "etc", "even", "ever", "every", "everyone", "everything",
"everywhere", "except", "few", "fifteen", "fify", "fill", "find",
"fire", "first", "five", "for", "former", "formerly", "forty", "found",
"everywhere", "except", "few", "fill", "find",
"fire", "first", "five", "for", "former", "formerly", "found",
"four", "from", "front", "full", "further", "get", "give", "go", "had",
"has", "hasnt", "have", "he", "hence", "her", "here", "hereafter",
"hereby", "herein", "hereupon", "hers", "herself", "him", "himself",
"his", "how", "however", "hundred", "ie", "if", "in", "inc", "indeed",
"his", "how", "however", "ie", "if", "in", "inc", "indeed",
"interest", "into", "is", "it", "its", "itself", "keep", "last",
"latter", "latterly", "least", "less", "ltd", "made", "many", "may",
"me", "meanwhile", "might", "mine", "more", "moreover", "most",

1
peppermint.guiconfig.json
View file

@ -116,6 +116,7 @@
"search_characters_context": {"type": "number", "description": "The number of characters that should be displayed either side of a matching term in the context below each search result.", "default": 200},
"search_title_matches_weighting": {"type": "number", "description": "The weighting to give to search term matches found in a page's title.", "default": 10},
"search_tags_matches_weighting": {"type": "number", "description": "The weighting to give to search term matches found in a page's tags.", "default": 3},
"dynamic_page_suggestion_count": {"type": "number", "description": "The number of dynamic page name suggestions to fetch from the server when typing in the page search box. Note that lowering this number doesn't <em>really</em> improve performance. Set to 0 to disable.", "default": 7 },
"defaultaction": {"type": "text", "description": "The default action. This action will be performed if no other action is specified. It is recommended you set this to \"view\" - that way the user automatically views the default page (see above).", "default": "view"},
"updateurl": {"type": "url", "description": "The url from which to fetch updates. Defaults to the master (development) branch. MAKE SURE THAT THIS POINTS TO A *HTTPS* URL, OTHERWISE SOMEONE COULD INJECT A VIRUS INTO YOUR WIKI!", "default": "https://raw.githubusercontent.com/sbrl/pepperminty-wiki/master/index.php"},
"optimize_pages": {"type": "checkbox", "description": "Whether to optimise all webpages generated.", "default": true},