venice-dynamo-rewrite/venice-data/scripts/find_communities.js

// The contents of this file are subject to the Mozilla Public License Version 1.1
// (the "License"); you may not use this file except in compliance with the License.
// You may obtain a copy of the License at <http://www.mozilla.org/MPL/>.
// 
// Software distributed under the License is distributed on an "AS IS" basis, WITHOUT
// WARRANTY OF ANY KIND, either express or implied. See the License for the specific
// language governing rights and limitations under the License.
// 
// The Original Code is the Venice Web Communities System.
// 
// The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
// for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
// Copyright (C) 2003 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
// 
// Contributor(s): 

importPackage(java.lang);
importClass(Packages.com.silverwrist.dynamo.Namespaces);
importPackage(Packages.com.silverwrist.dynamo.iface);
importPackage(Packages.com.silverwrist.dynamo.util);
importClass(Packages.com.silverwrist.venice.CommunitySearchField);
importClass(Packages.com.silverwrist.venice.SearchMode);
importClass(Packages.com.silverwrist.venice.VeniceNamespaces);
importPackage(Packages.com.silverwrist.venice.community);
importPackage(Packages.com.silverwrist.venice.content);
importPackage(Packages.com.silverwrist.venice.iface);

req = bsf.lookupBean("request");           // get request
rhelp = bsf.lookupBean("request_help");    // get request helper
session = rhelp.getSession();              // get the session
user = vlib.getUser(session);              // get user

// Tell the session we visited this page last.
session.setObject("/find.js.vs","last.visited","find_communities.js.vs");

// Get the user's configured page size.
pagesize = cast.toInteger(user.getObject(VeniceNamespaces.USER_SETTINGS_NAMESPACE,"search.result.count"));

field = CommunitySearchField.NAME;
mode = SearchMode.PREFIX;
term = "";
ofs = 0;
fcount = -1;
results = null;
category = null;
rc = null;

if (rhelp.isVerb("POST"))
{ // Read the form parameters
  field = CommunitySearchField.getEnum(rhelp.getParameter("field"));
  mode = SearchMode.getEnum(rhelp.getParameter("mode"));
  term = rhelp.getParameter("term");
  ofs = rhelp.getParameterInt("ofs",0);
  fcount = rhelp.getParameterInt("fcount",-1);

  if (rhelp.hasParameter("cat"))
  { // get the current category
    catsvc = vcast.queryCategoryService(rhelp.getRequestObject(Namespaces.DYNAMO_OBJECT_NAMESPACE,"categories"));
    category = catsvc.getCategory(rhelp.getParameterInt("cat",-1));

  } // end if

  // Adjust offset based on the button that was clicked.
  if (rhelp.isImageButtonClicked("search"))
  { // beginning of a new search
    ofs = 0;
    fcount = -1;

  } // end if
  else if (rhelp.isImageButtonClicked("previous"))
    ofs = Math.max(ofs - pagesize,0);
  else if (rhelp.isImageButtonClicked("next"))
    ofs += pagesize;

  // Get the community service object.
  commsvc = vcast.queryCommunityService(rhelp.getRequestObject(Namespaces.DYNAMO_OBJECT_NAMESPACE,"communities"));

  try
  { // search for communities!
    if (category!=null)
    { // look in the category
      if (fcount<0)
        fcount = commsvc.getNumCommunitiesInCategory(user,category);
      results = commsvc.getCommunitiesInCategory(user,category,ofs,pagesize);

    } // end if
    else
    { // do a normal search
      if (fcount<0)
        fcount = commsvc.getSearchCommunityCount(user,field,mode,term);
      results = commsvc.searchForCommunities(user,field,mode,term,ofs,pagesize);

    } // end else

  } // end try
  catch (e)
  { // exception thrown
    rc = new ErrorBox("Database Error",e,"SERVLET","find_communities.js.vs");

  } // end catch

} // end if
else
{ // get the category we're loading
  catsvc = vcast.queryCategoryService(rhelp.getRequestObject(Namespaces.DYNAMO_OBJECT_NAMESPACE,"categories"));
  commsvc = vcast.queryCommunityService(rhelp.getRequestObject(Namespaces.DYNAMO_OBJECT_NAMESPACE,"communities"));
  try
  { // get the category and listings
    category = catsvc.getCategory(rhelp.getParameterInt("cat",-1));
    fcount = commsvc.getNumCommunitiesInCategory(user,category);
    results = commsvc.getCommunitiesInCategory(user,category,0,pagesize);
    if (results.isEmpty())
      results = null;

  } // end try
  catch (e)
  { // exception thrown
    rc = new ErrorBox("Database Error",e,"SERVLET","find_communities.js.vs");

  } // end catch

} // end else

if (rc==null)
{ // create the VelocityView for the output
  rc = new VelocityView("Find Communities","find_communities.vm");
  rc.setParameter("field",field.getName());
  rc.setParameter("mode",mode.getName());
  rc.setParameter("term",term.toString());
  rc.setParameter("ofs",cast.toIntegerObject(ofs));
  rc.setParameter("fcount",cast.toIntegerObject(fcount));
  rc.setParameter("pagesize",cast.toIntegerObject(pagesize));
  if (category!=null)
    rc.setParameter("category",category);
  if (results!=null)
    rc.setParameter("results",results);

  // Load the profile menu.
  mprov = vcast.queryMenuProvider(rhelp.getRequestObject(Namespaces.DYNAMO_OBJECT_NAMESPACE,"venice-menus"));
  menu = mprov.getInlineMenu(user,VeniceNamespaces.CONTENT_LAF_NAMESPACE,"find.menu",cast.newIntArray(0));
  ndx = menu.getItemContainingLinkText("find_communities.js.vs");
  menu.setSelectedIndex(ndx);
  rc.setParameter("menu",menu);

} // end if

dynamo.scriptOutput(rc);