Initial plugin commit

40-PicoSearch.php

@@ -0,0 +1,70 @@
+<?php
+
+/**
+ *
+ * @author Pontus Horn
+ * @link https://pontushorn.me
+ * @repository https://github.com/PontusHorn/Pico-Search
+ * @license http://opensource.org/licenses/MIT
+ */
+
+class PicoSearch extends AbstractPicoPlugin
+{
+
+    private $search_area;
+    private $search_terms;
+
+    /**
+	 * Parses the requested URL to determine if a search has been requested. The search may be
+	 * scoped to a folder. An example URL: yourdomain.com/blog/search/foobar/page/2,
+	 * which searches the /blog folder for "foobar" and shows the second page of results using
+	 * e.g. https://github.com/rewdy/Pico-Pagination.
+     *
+     * @see    Pico::getBaseUrl()
+     * @see    Pico::getRequestUrl()
+     * @param  string &$url request URL
+     * @return void
+     */
+    public function onRequestUrl(&$url)
+    {
+        if (preg_match('/^(.+\/)?search\/([^\/]+)(\/.+)?$/', $url, $matches)) {
+            $url = $matches[1] . 'search' . ($matches[3] ?: '');
+            $this->search_terms = urldecode($matches[2]);
+
+            if (!empty($matches[1])) {
+                $this->search_area = $matches[1];
+            }
+        }
+    }
+
+    /**
+     * If accessing search results, filter the $pages array to pages matching the search terms.
+     *
+     * @see    Pico::getPages()
+     * @see    Pico::getCurrentPage()
+     * @see    Pico::getPreviousPage()
+     * @see    Pico::getNextPage()
+     * @param  array &$pages        data of all known pages
+     * @param  array &$currentPage  data of the page being served
+     * @param  array &$previousPage data of the previous page
+     * @param  array &$nextPage     data of the next page
+     * @return void
+     */
+    public function onPagesLoaded(&$pages, &$currentPage, &$previousPage, &$nextPage)
+    {
+        if ($currentPage && isset($this->search_area) || isset($this->search_terms)) {
+            if (isset($this->search_area)) {
+                $pages = array_filter($pages, function ($page) {
+                    return substr($page['id'], 0, strlen($this->search_area)) === $this->search_area;
+                });
+            }
+
+            if (isset($this->search_terms)) {
+                $pages = array_filter($pages, function ($page) {
+                    return (stripos($page['title'], $this->search_terms) !== false)
+                        || (stripos($page['raw_content'], $this->search_terms) !== false);
+                });
+            }
+        }
+    }
+}