/** {@inheritDoc} */
  public ActionForward execute(
      ActionMapping mapping,
      ActionForm formIn,
      HttpServletRequest request,
      HttpServletResponse response) {

    RequestContext requestContext = new RequestContext(request);

    if (request.getParameter("dispatch") != null) {
      if (requestContext.wasDispatched("installconfirm.jsp.confirm")) {
        return executePackageAction(mapping, formIn, request, response);
      }
    }

    List<PackageListItem> items = getDataResult(request);

    Server server = requestContext.lookupAndBindServer();

    /*
     * If we are removing a package that is not in a channel the server is
     *  subscribed to, then the rollback will not work, lets give the user
     *  a message telling them that.
     */
    if (this instanceof RemoveConfirmSetupAction
        && server.hasEntitlement(EntitlementManager.PROVISIONING)) {
      for (PackageListItem item : items) {
        Map<String, Long> map = item.getKeyMap();
        if (!SystemManager.hasPackageAvailable(
            server, map.get("name_id"), map.get("arch_id"), map.get("evr_id"))) {
          ActionMessages msgs = new ActionMessages();
          msgs.add(
              ActionMessages.GLOBAL_MESSAGE, new ActionMessage("package.remove.cant.rollback"));
          getStrutsDelegate().saveMessages(request, msgs);
          break;
        }
      }
    }

    DynaActionForm dynaForm = (DynaActionForm) formIn;
    DatePicker picker =
        getStrutsDelegate()
            .prepopulateDatePicker(request, dynaForm, "date", DatePicker.YEAR_RANGE_POSITIVE);
    request.setAttribute("date", picker);

    ActionChainHelper.prepopulateActionChains(request);

    request.setAttribute("system", server);
    requestContext.copyParamToAttributes(RequestContext.SID);
    request.setAttribute(
        ListTagHelper.PARENT_URL, request.getRequestURI() + "?sid=" + server.getId());
    request.setAttribute(WIDGET_SUMMARY, getWidgetSummary());
    request.setAttribute(HEADER_KEY, getHeaderKey());
    request.setAttribute(DATA_SET, items);

    return getStrutsDelegate()
        .forwardParams(mapping.findForward(RhnHelper.DEFAULT_FORWARD), request.getParameterMap());
  }
  /** {@inheritDoc} */
  public ActionForward execute(
      ActionMapping mapping,
      ActionForm formIn,
      HttpServletRequest request,
      HttpServletResponse response) {

    RequestContext requestContext = new RequestContext(request);
    User user = requestContext.getCurrentUser();
    Long sid = requestContext.getRequiredParam("sid");
    RhnSet set = getSetDecl(sid).get(user);

    ListRhnSetHelper help = new ListRhnSetHelper(this, request, getSetDecl(sid));
    help.setListName(LIST_NAME);
    String parentURL = request.getRequestURI() + "?sid=" + sid;
    help.setParentUrl(parentURL);

    help.execute();

    if (help.isDispatched()) {
      if (requestContext.wasDispatched("errata.jsp.apply")) {
        return applyErrata(mapping, formIn, request, response);
      }
    }

    String showButton = "true";
    // Show the "Apply Errata" button only when unapplied errata exist:
    if (!SystemManager.hasUnscheduledErrata(user, sid)) {
      showButton = "false";
    }

    Map params = new HashMap();
    Set keys = request.getParameterMap().keySet();
    for (Iterator i = keys.iterator(); i.hasNext(); ) {
      String key = (String) i.next();
      params.put(key, request.getParameter(key));
    }

    Server server = SystemManager.lookupByIdAndUser(sid, user);
    SdcHelper.ssmCheck(request, server.getId(), user);
    request.setAttribute("showApplyErrata", showButton);
    request.setAttribute("set", set);
    request.setAttribute("system", server);
    request.setAttribute("combo", getComboList(request));
    request.setAttribute(SELECTOR, request.getParameter(SELECTOR));

    return getStrutsDelegate()
        .forwardParams(mapping.findForward(RhnHelper.DEFAULT_FORWARD), params);
  }
  /** {@inheritDoc} */
  @Override
  public ActionForward execute(
      ActionMapping mapping,
      ActionForm formIn,
      HttpServletRequest request,
      HttpServletResponse response) {

    RequestContext requestContext = new RequestContext(request);
    User user = requestContext.getCurrentUser();

    long cid = requestContext.getRequiredParam(RequestContext.CID);
    Channel chan = ChannelFactory.lookupByIdAndUser(cid, user);
    String syncType = request.getParameter(SYNC_TYPE);

    if (!UserManager.verifyChannelAdmin(user, chan)) {
      throw new PermissionException(RoleFactory.CHANNEL_ADMIN);
    }
    if (chan.getOrg() == null) {
      throw new PermissionCheckFailureException();
    }

    String selectedChan = request.getParameter(SELECTED_CHANNEL);
    request.setAttribute(RequestContext.CID, chan.getId());
    request.setAttribute(CHANNEL_NAME, chan.getName());

    if (requestContext.wasDispatched("channel.jsp.package.mergebutton")) {
      Map<String, Object> params = new HashMap<String, Object>();
      params.put(RequestContext.CID, cid);
      params.put(OTHER_ID, selectedChan);
      params.put(SYNC_TYPE, syncType);
      return getStrutsDelegate()
          .forwardParams(mapping.findForward(RhnHelper.CONFIRM_FORWARD), params);
    }

    // selected channel id
    long scid = 0;
    String sname = "";

    // If a channel isn't selected, select one smartly
    if (selectedChan == null) {
      if (chan.isCloned()) {
        scid = chan.getOriginal().getId();
      }
    } else if (!NO_PACKAGES.equals(selectedChan)) {
      scid = Long.parseLong(selectedChan);
    }

    // Add Red Hat Base Channels, and custom base channels to the list, and if one
    //      is selected, select it
    List<SelectableChannel> chanList = findChannels(user, scid);
    DataResult result = null;

    if (scid != 0) {
      sname = ChannelFactory.lookupByIdAndUser(scid, user).getName();

      result = PackageManager.comparePackagesBetweenChannels(cid, scid);

      TagHelper.bindElaboratorTo(listName, result.getElaborator(), request);
    }

    request.setAttribute(CHANNEL_LIST, chanList);
    request.setAttribute(OTHER_CHANNEL, sname);
    request.setAttribute(SYNC_TYPE, syncType);
    request.setAttribute(ListTagHelper.PARENT_URL, request.getRequestURI());
    request.setAttribute(RequestContext.PAGE_LIST, result);

    return mapping.findForward(RhnHelper.DEFAULT_FORWARD);
  }
  /** {@inheritDoc} */
  public ActionForward execute(
      ActionMapping mapping,
      ActionForm formIn,
      HttpServletRequest request,
      HttpServletResponse response) {

    RequestContext requestContext = new RequestContext(request);
    User user = requestContext.getCurrentUser();
    Long cid = Long.parseLong(request.getParameter(CID));
    Channel currentChan = ChannelFactory.lookupByIdAndUser(cid, user);
    Channel selectedChannel = null;

    PublishErrataHelper.checkPermissions(user, cid);

    request.setAttribute(CID, cid);
    request.setAttribute("user", user);
    request.setAttribute("channel_name", currentChan.getName());
    request.setAttribute(ListTagHelper.PARENT_URL, request.getRequestURI());

    List<SelectableChannelVersion> versionList =
        SelectableChannelVersion.getCurrentChannelVersionList();
    List<SelectableChannel> channelList = null;
    request.setAttribute(VERSION_LIST, versionList);

    String selectedVersionStr = null;
    String selectedChannelStr = null;
    Boolean checked = true;

    // Set initail strings
    selectedChannelStr = request.getParameter(SELECTED_CHANNEL_OLD);
    selectedVersionStr = request.getParameter(SELECTED_VERSION_OLD);
    if (selectedVersionStr == null) {
      selectedVersionStr = versionList.get(0).getVersion();
    }

    // If the channel submit button was clicked
    if (requestContext.wasDispatched(CHANNEL_SUBMIT)) {
      selectedChannelStr = request.getParameter(SELECTED_CHANNEL);
      // selectedChannelStr might be null
    }
    // if the version submit button was clicked
    else if (requestContext.wasDispatched(VERSION_SUBMIT)) {
      selectedVersionStr = request.getParameter(SELECTED_VERSION);
      // selectedChannelStr might be null
      selectedChannelStr = null;
    }

    if (!requestContext.isSubmitted()) {
      // If this is a clone, go ahead and pre-select the original Channel
      Channel original = ChannelFactory.lookupOriginalChannel(currentChan);

      while (original != null) {

        selectedChannel = original;
        selectedChannelStr = selectedChannel.getId().toString();
        String tmp = findVersionFromChannel(selectedChannel);
        if (tmp == null) {
          // if we haven't found channel version, let's try to check its parent
          if (!selectedChannel.isBaseChannel()) {
            tmp = findVersionFromChannel(selectedChannel.getParentChannel());
          }
        }
        if (tmp != null) {
          selectedVersionStr = tmp;
          break;
        }
        original = ChannelFactory.lookupOriginalChannel(original);
      }
    }

    if (selectedVersionStr != null) {
      // set selected version based off version selected
      for (SelectableChannelVersion chanVer : versionList) {
        if (chanVer.getVersion().equals(selectedVersionStr)) {
          chanVer.setSelected(true);
          request.setAttribute(SELECTED_VERSION_NAME, chanVer.getName());
          break;
        }
      }

      List<Channel> channelSet = findChannelsByVersion(user, selectedVersionStr);
      channelList = new ArrayList();
      if (channelSet != null) {
        sortChannelsAndChildify(channelSet, channelList, user, selectedChannelStr);
        request.setAttribute(CHANNEL_LIST, channelList);
      }
    }

    if (requestContext.isSubmitted() && request.getParameter(CHECKED) == null) {
      checked = false;
    }

    request.setAttribute(CHECKED, checked);
    request.setAttribute(SELECTED_CHANNEL, selectedChannelStr);
    request.setAttribute(SELECTED_VERSION, selectedVersionStr);

    if (requestContext.wasDispatched(SUBMITTED)) {
      Map params = new HashMap();
      params.put(CID, request.getParameter(CID));
      params.put(SELECTED_CHANNEL, selectedChannelStr);
      params.put(CHECKED, request.getParameter(CHECKED));
      return getStrutsDelegate().forwardParams(mapping.findForward("submit"), params);
    }

    // If we clicked on the channel selection, clear the set
    if (requestContext.wasDispatched(CHANNEL_SUBMIT)
        || requestContext.wasDispatched(VERSION_SUBMIT)
        || !requestContext.isSubmitted()) {
      RhnSet eset = getSetDecl(currentChan).get(user);
      eset.clear();
      RhnSetManager.store(eset);
    }

    if (selectedChannelStr != null) {
      selectedChannel = ChannelFactory.lookupByIdAndUser(Long.parseLong(selectedChannelStr), user);
    }

    RhnListSetHelper helper = new RhnListSetHelper(request);
    RhnSet set = getSetDecl(currentChan).get(user);

    DataResult dr = getData(request, selectedChannel, currentChan, channelList, checked, user);

    request.setAttribute(RequestContext.PAGE_LIST, dr);

    if (ListTagHelper.getListAction("errata", request) != null) {
      helper.execute(set, "errata", dr);
    }
    if (!set.isEmpty()) {
      helper.syncSelections(set, dr);
      ListTagHelper.setSelectedAmount("errata", set.size(), request);
    }

    TagHelper.bindElaboratorTo("errata", dr.getElaborator(), request);
    ListTagHelper.bindSetDeclTo("errata", getSetDecl(currentChan), request);

    return mapping.findForward(RhnHelper.DEFAULT_FORWARD);
  }
  /** {@inheritDoc} */
  @Override
  public ActionForward execute(
      ActionMapping mapping,
      ActionForm formIn,
      HttpServletRequest request,
      HttpServletResponse response) {

    RequestContext context = new RequestContext(request);
    User user = context.getCurrentUser();

    long cid = context.getRequiredParam("cid");
    Channel chan = ChannelFactory.lookupByIdAndUser(cid, user);
    request.setAttribute("channel_name", chan.getName());
    request.setAttribute("cid", chan.getId());

    Map params = new HashMap();
    params.put(RequestContext.CID, chan.getId().toString());

    ListHelper helper = new ListHelper(this, request, params);
    helper.execute();

    TaskomaticApi taskomatic = new TaskomaticApi();
    String oldCronExpr;
    try {
      oldCronExpr = taskomatic.getRepoSyncSchedule(chan, user);
    } catch (TaskomaticApiException except) {
      params.put("inactive", true);
      request.setAttribute("inactive", true);
      createErrorMessage(request, "repos.jsp.message.taskomaticdown", null);
      return mapping.findForward(RhnHelper.DEFAULT_FORWARD);
    }

    RecurringEventPicker picker =
        RecurringEventPicker.prepopulatePicker(request, "date", oldCronExpr);

    if (context.isSubmitted()) {
      StrutsDelegate strutsDelegate = getStrutsDelegate();

      // check user permissions first
      if (!UserManager.verifyChannelAdmin(user, chan)) {
        createErrorMessage(request, "frontend.actions.channels.manager.add.permsfailure", null);
        return mapping.findForward(RhnHelper.DEFAULT_FORWARD);
      }

      if (chan.getSources().isEmpty()) {
        createErrorMessage(request, "repos.jsp.channel.norepos", null);
        return mapping.findForward(RhnHelper.DEFAULT_FORWARD);
      }

      try {
        if (context.wasDispatched("repos.jsp.button-sync")) {
          // schedule one time repo sync
          taskomatic.scheduleSingleRepoSync(chan, user);
          createSuccessMessage(request, "message.syncscheduled", chan.getName());

        } else if (context.wasDispatched("schedule.button")) {
          if ((picker.isDisabled() || StringUtils.isEmpty(picker.getCronEntry()))
              && oldCronExpr != null) {
            taskomatic.unscheduleRepoSync(chan, user);
            createSuccessMessage(request, "message.syncschedule.disabled", chan.getName());
          } else if (!StringUtils.isEmpty(picker.getCronEntry())) {
            Date date = taskomatic.scheduleRepoSync(chan, user, picker.getCronEntry());
            createSuccessMessage(request, "message.syncscheduled", chan.getName());
          }
        }
      } catch (TaskomaticApiException e) {
        if (e.getMessage().contains("InvalidParamException")) {
          createErrorMessage(request, "repos.jsp.message.invalidcron", picker.getCronEntry());
        } else {
          createErrorMessage(request, "repos.jsp.message.schedulefailed", null);
        }
        return mapping.findForward(RhnHelper.DEFAULT_FORWARD);
      }

      Map forwardParams = new HashMap();
      forwardParams.put("cid", chan.getId());
      return getStrutsDelegate().forwardParams(mapping.findForward("success"), forwardParams);
    }

    return mapping.findForward(RhnHelper.DEFAULT_FORWARD);
  }