From dcc7b7869d8e7b2af081b174db5c54b0a38db652 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20P=C3=A9ters?= <fpeters@0d.be>
Date: Tue, 15 Nov 2011 09:39:15 +0100
Subject: [PATCH] add rss feed for search results (#916)

---
 tabellio/searchform/batch_macros.pt   | 11 +++++
 tabellio/searchform/configure.zcml    |  7 ++++
 tabellio/searchform/docsearch-feed.pt | 59 +++++++++++++++++++++++++++
 tabellio/searchform/docsearch.pt      |  3 ++
 4 files changed, 80 insertions(+)
 create mode 100644 tabellio/searchform/docsearch-feed.pt

diff --git a/tabellio/searchform/batch_macros.pt b/tabellio/searchform/batch_macros.pt
index 8361af2..a926151 100644
--- a/tabellio/searchform/batch_macros.pt
+++ b/tabellio/searchform/batch_macros.pt
@@ -153,5 +153,16 @@ template with a tal:define="batch_base_url YOUR_BASE_URL" tales expression.
 
 </div>
 
+<div id="results-feed"
+     metal:define-macro="feed"
+     tal:define="
+                 batch batch|nothing;
+                 batchformkeys batchformkeys|nothing;
+                 batchlinkparams python:batchformkeys and dict([(key, request.form[key]) for key in batchformkeys if key in request]) or request.form;
+                 ">
+<a tal:attributes="href python: 'feed?%s' % batch.pageurl(batchlinkparams,1);">Abonnez-vous au flux de cette recherche</a>
+</div>
+
+
 </body>
 </html>
diff --git a/tabellio/searchform/configure.zcml b/tabellio/searchform/configure.zcml
index e5f9b93..3e52e92 100644
--- a/tabellio/searchform/configure.zcml
+++ b/tabellio/searchform/configure.zcml
@@ -38,6 +38,13 @@
      class=".form.ListTopicsView"
      permission="zope2.View"/>
 
+  <browser:page
+     for=".form.IFolderWithDocuments"
+     name="feed"
+     class=".form.SearchView"
+     template="docsearch-feed.pt"
+     permission="zope2.View"/>
+
   <browser:page
      for=".form.IFolderWithPfbDocuments"
      name="folder_listing"
diff --git a/tabellio/searchform/docsearch-feed.pt b/tabellio/searchform/docsearch-feed.pt
new file mode 100644
index 0000000..2fe9087
--- /dev/null
+++ b/tabellio/searchform/docsearch-feed.pt
@@ -0,0 +1,59 @@
+<?xml version="1.0"?>
+<rdf:RDF
+  xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+  xmlns:dc="http://purl.org/dc/elements/1.1/"
+  xmlns:syn="http://purl.org/rss/1.0/modules/syndication/"
+  xmlns="http://purl.org/rss/1.0/"
+  xmlns:i18n="http://xml.zope.org/namespaces/i18n"
+  xmlns:tal="http://xml.zope.org/namespaces/tal"
+  xmlns:metal="http://xml.zope.org/namespaces/metal">
+
+<tal:block
+    define="
+        Batch python:modules['Products.CMFPlone'].Batch;
+        search_results python: view.document_search_results() or view.dossier_search_results() or view.question_search_results();
+        search_batch python:Batch(search_results[:20] or [], 20, 0);
+        dummy python:request.RESPONSE.setHeader('Content-Type', 'text/xml;; charset=utf-8');
+        ">
+
+<channel rdf:about="" tal:attributes="rdf:about request/URL">
+  <title tal:content="context/pretty_title_or_id">The title</title>
+  <link tal:content="context/portal_url">http://url.to.portal</link>
+  <description>
+  </description>
+  <items>
+    <rdf:Seq>
+      <tal:block repeat="obj_item python: search_batch">
+        <rdf:li rdf:resource=""
+                tal:attributes="rdf:resource obj_item/getURL" />
+      </tal:block>
+    </rdf:Seq>
+  </items>
+</channel>
+
+<tal:block repeat="item search_batch">
+  <item rdf:about="" tal:attributes="rdf:about obj_item/absolute_url"
+        tal:define="obj_item python:item.getObject();
+                    has_text exists:obj_item/aq_explicit/getText;
+                    text python:has_text and obj_item.getText() or '';
+                    has_effective exists:obj_item/aq_explicit/effective_date;
+                    effective python:has_effective and obj_item.effective().HTML4() or '';
+                    modified python:obj_item.modified().HTML4();
+                    creator obj_item/Creator|nothing">
+    <title tal:content="obj_item/pretty_title_or_id">Title</title>
+    <link tal:content="obj_item/Identifier">Identifier</link>
+    <description tal:content="obj_item/Description">Description</description>
+    <content:encoded xmlns:content="http://purl.org/rss/1.0/modules/content/"
+        tal:condition="has_text"
+        tal:content="structure python:'&lt;![CDATA[' + text + ']]&gt;'">Content</content:encoded>
+    <dc:publisher tal:content="obj_item/Publisher">Publisher</dc:publisher>
+    <tal:block tal:repeat="item obj_item/Subject">
+      <dc:subject tal:content="item">Item</dc:subject>
+    </tal:block>
+    <dc:date tal:content="python: obj_item.date">Published or last modified date if no published date</dc:date>
+    <dc:type tal:content="obj_item/Type">Type</dc:type>
+  </item>
+</tal:block>
+
+</tal:block>
+</rdf:RDF>
diff --git a/tabellio/searchform/docsearch.pt b/tabellio/searchform/docsearch.pt
index 8ca5472..3f8c738 100644
--- a/tabellio/searchform/docsearch.pt
+++ b/tabellio/searchform/docsearch.pt
@@ -49,6 +49,7 @@
 
        <div tal:define="batch search_batch">
        <div metal:use-macro="view/batch_macros/macros/navigation" />
+       <div metal:use-macro="view/batch_macros/macros/feed" />
        </div>
 
         </div>
@@ -81,6 +82,7 @@
 
        <div tal:define="batch search_batch">
        <div metal:use-macro="view/batch_macros/macros/navigation" />
+       <div metal:use-macro="view/batch_macros/macros/feed" />
        </div>
 
         </div>
@@ -113,6 +115,7 @@
 
        <div tal:define="batch search_batch">
        <div metal:use-macro="view/batch_macros/macros/navigation" />
+       <div metal:use-macro="view/batch_macros/macros/feed" />
        </div>
 
         </div>