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ALF-9153 Convert the discussions replies listing webscript to be lucene free and java backed

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git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@29868 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
This commit is contained in:
Nick Burch
2011-08-18 12:34:27 +00:00
parent 878754ece9
commit bc5454a861
3 changed files with 111 additions and 99 deletions
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99
config/alfresco/templates/webscripts/org/alfresco/repository/discussions/posts/forum-post-replies.get.js
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@@ -1,99 +0,0 @@
<import resource="classpath:alfresco/templates/webscripts/org/alfresco/repository/requestutils.lib.js">
<import resource="classpath:alfresco/templates/webscripts/org/alfresco/repository/discussions/topicpost.lib.js">
/**
* Returns all reply nodes to a post
*/
function getRepliesForPost(post)
{
var children = post.sourceAssocs["cm:references"];
if (children === null)
{
return new Array();
}
else
{
return children;
}
}
/**
* Returns a data object containing the passed post,
* the number of replies to the post, as well as
* the replies themselves if levels > 1
*/
function getReplyDataRecursive(post, levels)
{
// encapsulates the data: node, childCount, children
var data = getReplyPostData(post);
var children = getRepliesForPost(post);
data.childCount = children.length;
if (levels > 1)
{
data.children = new Array();
var x = 0;
for (x =0; x < children.length; x++)
{
data.children.push(getReplyDataRecursive(children[x], levels-1));
}
}
return data;
}
/**
* Returns a data object containing all replies of a post.
* @return data object with "children" property that contains an array of reply data objects
*/
function getRepliesImpl(post, levels)
{
var data = getReplyDataRecursive(post, levels + 1);
if (data.children != undefined)
{
return data.children;
}
else
{
return new Array();
}
}
function getReplies(node, levels)
{
// we have to differentiate here whether this is a top-level post or a reply
if (node.type == "{http://www.alfresco.org/model/forum/1.0}topic")
{
// find the primary post node.
var data = getTopicPostData(node);
return getRepliesImpl(data.post, levels);
}
else if (node.type == "{http://www.alfresco.org/model/forum/1.0}post")
{
// the node is already a post
return getRepliesImpl(node, levels);
}
else
{
status.setCode(STATUS_BAD_REQUEST, "Incompatible node type. Required either fm:topic or fm:post. Received: " + node.type);
}
}
function main()
{
// get requested node
var node = getRequestNode();
if (status.getCode() != status.STATUS_OK)
{
return;
}
// process additional parameters
var levels = args["levels"] != undefined ? parseInt(args["levels"]) : 1;
model.data = getReplies(node, levels);
// fetch the contentLength param
var contentLength = args["contentLength"] != undefined ? parseInt(args["contentFormat"]) : -1;
model.contentLength = isNaN(contentLength) ? -1 : contentLength;
}
main();

6
config/alfresco/web-scripts-application-context.xml
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@@ -1595,6 +1595,12 @@
parent="abstractDiscussionWebScript">
</bean>
<!-- Lists the discussions replies for a topic or post -->
<bean id="webscript.org.alfresco.repository.discussions.posts.forum-post-replies.get"
class="org.alfresco.repo.web.scripts.discussion.ForumPostRepliesGet"
parent="abstractDiscussionWebScript">
</bean>
<!-- Lists the Discussions for a site -->
<!--
<bean id="webscript.org.alfresco.repository.discussions.forum.forum-posts.get"

105
source/java/org/alfresco/repo/web/scripts/discussion/ForumPostRepliesGet.java Normal file
View File

@@ -0,0 +1,105 @@
/*
* Copyright (C) 2005-2011 Alfresco Software Limited.
*
* This file is part of Alfresco
*
* Alfresco is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Alfresco is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
*/
package org.alfresco.repo.web.scripts.discussion;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.alfresco.service.cmr.discussion.PostInfo;
import org.alfresco.service.cmr.discussion.PostWithReplies;
import org.alfresco.service.cmr.discussion.TopicInfo;
import org.alfresco.service.cmr.repository.NodeRef;
import org.alfresco.service.cmr.site.SiteInfo;
import org.json.JSONObject;
import org.springframework.extensions.webscripts.Cache;
import org.springframework.extensions.webscripts.Status;
import org.springframework.extensions.webscripts.WebScriptException;
import org.springframework.extensions.webscripts.WebScriptRequest;
/**
* This class is the controller for the discussions page creating forum-post-replies.get webscript.
*
* @author Nick Burch
* @since 4.0
*/
public class ForumPostRepliesGet extends AbstractDiscussionWebScript
{
@Override
protected Map<String, Object> executeImpl(SiteInfo site, NodeRef nodeRef,
TopicInfo topic, PostInfo post, WebScriptRequest req, JSONObject json,
Status status, Cache cache)
{
// How many levels did they want?
int levels = 1;
String levelsS = req.getParameter("levels");
if(levelsS != null)
{
try
{
levels = Integer.parseInt(levelsS);
}
catch(NumberFormatException e)
{
throw new WebScriptException(Status.STATUS_BAD_REQUEST, "Level depth parameter invalid");
}
}
// Fetch the replies
PostWithReplies replies;
if(post != null)
{
replies = discussionService.listPostReplies(post, levels);
}
else if(topic != null)
{
replies = discussionService.listPostReplies(topic, levels);
}
else
{
String error = "Node was of the wrong type, only Topic and Post are supported";
throw new WebScriptException(Status.STATUS_BAD_REQUEST, error);
}
// Build the common model parts
Map<String, Object> model = buildCommonModel(site, topic, post, req);
// Build the JSON for the replies
model.put("data", renderReplies(replies, site).get("children"));
// All done
return model;
}
private Map<String, Object> renderReplies(PostWithReplies replies, SiteInfo site)
{
Map<String, Object> reply = renderPost(replies.getPost(), site);
reply.put("childCount", replies.getReplies().size());
List<Map<String,Object>> r = new ArrayList<Map<String,Object>>();
for(PostWithReplies child : replies.getReplies())
{
r.add(renderReplies(child, site));
}
reply.put("children", r);
return reply;
}
}