adding opensearch (xml description j2 template, RSS+XML search results PHP)

nasg.py

@@ -326,6 +326,7 @@ class MarkdownDoc(object):
 
     @property
     def dt(self):
+        """ this returns a timestamp, not an arrow object """
         maybe = self.mtime
         for key in ['published', 'date']:
             t = self.meta.get(key, None)
@@ -500,7 +501,6 @@ class Singular(MarkdownDoc):
         maybe = self.dt
         if len(self.comments):
             for c in self.comments.values():
-
                 if c.dt > maybe:
                     maybe = c.dt
         return maybe
@@ -1574,7 +1574,7 @@ class Search(PHPFile):
         return ret
 
     def append(self, post):
-        mtime = int(post.mtime)
+        mtime = int(post.published.timestamp)
         check = self.check(post.name)
         if (check and check < mtime):
             self.db.execute('''
@@ -1602,24 +1602,22 @@ class Search(PHPFile):
             self.is_changed = True
 
     @property
-    def renderfile(self):
+    def templates(self):
-        return os.path.join(
+        return ['Search.j2.php', 'OpenSearch.j2.php', 'OpenSearch.j2.xml']
-            settings.paths.get('build'),
-            'search.php'
-        )
-
-    @property
-    def templatefile(self):
-        return 'Search.j2.php'
 
     async def _render(self):
-        r = J2.get_template(self.templatefile).render({
+        for template in self.templates:
-            'post': {},
+            r = J2.get_template(template).render({
-            'site': settings.site,
+                'post': {},
-            'menu': settings.menu,
+                'site': settings.site,
-            'meta': settings.meta,
+                'menu': settings.menu,
-        })
+                'meta': settings.meta,
-        writepath(self.renderfile, r)
+            })
+            target = os.path.join(
+                settings.paths.get('build'),
+                template.replace('.j2', '').lower()
+            )
+            writepath(target, r)
 
 
 class IndexPHP(PHPFile):

templates/OpenSearch.j2.php

@@ -0,0 +1,66 @@
+<?php
+
+$db = new SQLite3('./search.sqlite', SQLITE3_OPEN_READONLY);
+$q = str_replace('-', '+', $_GET['q']);
+$sql = $db->prepare("
+    SELECT
+        url, category, title, snippet(data, '', '', '[...]', 5, 24), mtime
+    FROM
+        data
+    WHERE
+        data MATCH :q
+    ORDER BY
+        category
+");
+$sql->bindValue(':q', $q);
+$query = $sql->execute();
+$results = array();
+if($query) {
+    while ($row = $query->fetchArray(SQLITE3_ASSOC)) {
+        array_push($results, $row);
+    }
+}
+
+foreach ($results as $row) {
+    $item_node = $channel_node->appendChild($xml->createElement("item"));
+    $title_node = $item_node->appendChild($xml->createElement("title", $row['title']));
+    $link_node = $item_node->appendChild($xml->createElement("link", $row['url']));
+    $guid_link = $xml->createElement("guid", $row['url']);
+    $guid_link->setAttribute("isPermaLink","true");
+    $guid_node = $item_node->appendChild($guid_link);
+    $description_node = $item_node->appendChild($xml->createElement("description"));
+    $description_contents = $xml->createCDATASection(htmlentities($row["snippet(data, '', '', '[...]', 5, 24)"]));
+    $description_node->appendChild($description_contents);
+    $date_rfc = gmdate(DATE_RFC2822, $row['mtime']);
+    $pub_date = $xml->createElement("pubDate", $date_rfc);
+    $pub_date_node = $item_node->appendChild($pub_date);
+}
+
+header('Content-Type: text/xml; charset=utf-8', true);
+
+$xml = new DOMDocument("1.0", "UTF-8");
+$xml->preserveWhiteSpace = false;
+$xml->formatOutput = true;
+
+$rss = $xml->createElement("rss");
+$rss_node = $xml->appendChild($rss);
+$rss_node->setAttribute("version","2.0");
+
+
+$rss_node->setAttribute("xmlns:dc","http://a9.com/-/spec/opensearch/1.1/");
+
+$channel = $xml->createElement("channel");
+$channel_node = $rss_node->appendChild($channel);
+
+$channel_node->appendChild($xml->createElement("title", "Search results for: {$_GET['q']}"));
+$channel_node->appendChild($xml->createElement("link", "{{ site.url }}"));
+$channel_node->appendChild($xml->createElement("description", "Search {{ site.name }} for {$_GET['q']}"));
+
+$channel_node->appendChild($xml->createElement("openSearch:totalResults", sizeof($results)));
+$channel_node->appendChild($xml->createElement("openSearch:startIndex", 1));
+$channel_node->appendChild($xml->createElement("openSearch:itemsPerPage", sizeof($results)));
+
+$build_date = gmdate(DATE_RFC2822, time());
+$channel_node->appendChild($xml->createElement("lastBuildDate", $build_date));
+
+echo $xml->saveXML();

templates/OpenSearch.j2.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<OpenSearchDescription xmlns="http://a9.com/-/spec/opensearch/1.1/">
+    <ShortName>{{ site.name }}</ShortName>
+    <Description>Search {{ site.name }}</Description>
+    <Url type="application/rss+xml" rel="results" method="get" template="{{ site.url }}/opensearch.php?q={searchTerms}" />
+    <Url type="text/html" rel="results" method="get" template="{{ site.url }}/search.php?q={searchTerms}" />
+    <Image>{{ site.image }}</Image>
+    <InputEncoding>UTF-8</InputEncoding>
+</OpenSearchDescription>

templates/base.j2.html

@@ -23,6 +23,7 @@
     <style media="print">
         {% include('style-print.css') %}
     </style>
+    <link rel="search" type="application/opensearchdescription+xml" href="/opensearch.xml" title="{{ site.name }}">
 </head>
 
 <body>