<%--
  ADOBE CONFIDENTIAL

  Copyright 2014 Adobe Systems Incorporated
  All Rights Reserved.

  NOTICE:  All information contained herein is, and remains
  the property of Adobe Systems Incorporated and its suppliers,
  if any.  The intellectual and technical concepts contained
  herein are proprietary to Adobe Systems Incorporated and its
  suppliers and may be covered by U.S. and Foreign Patents,
  patents in process, and are protected by trade secret or copyright law.
  Dissemination of this information or reproduction of this material
  is strictly forbidden unless prior written permission is obtained
  from Adobe Systems Incorporated.
--%><%
%><%-- CQ-4236823 - copied /libs/cq/gui/components/common/wcm/datasources/childpages/childpages.jsp todo - use servlet.--%><%
%><%@include file="/libs/granite/ui/global.jsp"%><%
%><%@page session="false"
          import="com.adobe.granite.ui.components.Config,
                  com.adobe.granite.ui.components.ExpressionHelper,
                  com.adobe.granite.ui.components.PagingIterator,
                  com.adobe.granite.ui.components.ds.AbstractDataSource,
                  com.adobe.granite.ui.components.ds.DataSource,
                  com.adobe.granite.ui.components.ds.EmptyDataSource,
                  com.adobe.granite.workflow.exec.WorkItem,
                  com.adobe.granite.workflow.exec.Workflow,
                  com.adobe.granite.workflow.status.WorkflowStatus,
                  com.day.cq.replication.ReplicationStatus,
                  com.day.cq.wcm.api.Page,
                  com.day.cq.wcm.api.PageInfoAggregator,
                  com.day.cq.wcm.api.Template,
                  com.day.cq.wcm.msm.api.Blueprint,
                  com.day.cq.wcm.msm.api.BlueprintManager,
                  com.day.cq.wcm.api.WCMException,
                  org.apache.commons.collections.IteratorUtils,
                  org.apache.commons.collections.Predicate,
                  org.apache.commons.collections.Transformer,
                  org.apache.commons.collections.iterators.FilterIterator,
                  org.apache.commons.collections.iterators.TransformIterator,
                  org.apache.jackrabbit.api.security.user.Authorizable,
                  org.apache.jackrabbit.api.security.user.Group,
                  org.apache.jackrabbit.api.security.user.User,
                  org.apache.jackrabbit.api.security.user.UserManager,
                  org.apache.sling.api.resource.Resource,
                  org.apache.sling.api.resource.ResourceWrapper,
                  org.apache.sling.api.SlingHttpServletRequest,
                  javax.jcr.RepositoryException,
                  javax.jcr.Session,
                  java.util.ArrayList,
                  java.util.Set,
                  java.util.HashSet,
                  java.util.Calendar,
                  java.util.Collections,
                  java.util.Comparator,
                  java.util.Iterator,
                  java.util.LinkedHashMap,
                  java.util.List,
                  java.util.Map,
                  java.util.regex.Pattern"%><%
    /**
     A datasource returning child pages and folders.
     Folders can be hidden by configuration (showFolders = false)
     Which resources should not be shown can be configured with the "notAllowed" property

     @datasource
     @name ChildPages
     @location /libs/cq/gui/components/common/wcm/datasources/childpages

     @property {StringEL} path The path of the parent page
     @property {String} itemResourceType
     */
    ExpressionHelper ex = cmp.getExpressionHelper();
    Config dsCfg = new Config(resource.getChild(Config.DATASOURCE));

    final Integer offset = ex.get(dsCfg.get("offset", String.class), Integer.class);
    final Integer limit = ex.get(dsCfg.get("limit", String.class), Integer.class);
    final boolean showFolders = ex.getBoolean(dsCfg.get("showFolders", "true"));
    final String filter = ex.get(dsCfg.get("exclude", ""), String.class);
    final Pattern pattern = Pattern.compile(filter);
    final String query = ex.getString(dsCfg.get("query", String.class));
    final boolean applyWeighting = ex.getBoolean(dsCfg.get("applyWeighting", "false"));
    final String sortName = ex.getString(dsCfg.get("sortName", String.class));
    final String sortDir = ex.getString(dsCfg.get("sortDir", String.class));
    final String[] supportedResourceTypes = dsCfg.get("supportedResourceTypes", String[].class);
    final boolean sortDefined = (sortName != null && sortDir != null);
    final Authorizable currentUser = resourceResolver.adaptTo(Authorizable.class);

    final String parentPath;
    final String searchName;

    if (query != null) {
        final String rootPath = ex.getString(dsCfg.get("rootPath", "/content"));

        final int slashIndex = query.lastIndexOf('/');

        if (slashIndex < 0) {
            parentPath = rootPath;
            searchName = query.toLowerCase();
        } else if (!query.startsWith(rootPath)) {
            parentPath = rootPath;
            searchName = null;
        } else if (slashIndex == query.length() - 1) {
            parentPath = query;
            searchName = null;
        } else {
            parentPath = query.substring(0, slashIndex + 1);
            searchName = query.substring(slashIndex + 1).toLowerCase();
        }
    } else {
        parentPath = ex.getString(dsCfg.get("path", String.class));
        searchName = null;
    }

    final Resource parent = parentPath != null ? resourceResolver.getResource(parentPath) : null;

    DataSource ds;
    if (parent == null) {
        ds = EmptyDataSource.instance();
    } else {
        Iterator<Resource> sortedChildren = null;
        Iterator<Resource> weightedChildren = null;

        if (sortDefined) {
            PageInfoAggregator piAggregatorService = sling.getService(PageInfoAggregator.class);
            LinkedHashMap<String, Map<String, Object>> showColumnInfo = (LinkedHashMap<String, Map<String, Object>>) request.getAttribute("sites.listView.info.providers");

            Comparator comparator = getComparator(slingRequest, piAggregatorService, showColumnInfo, sortName, sortDir);
            sortedChildren = sortChildren(IteratorUtils.toList(parent.listChildren()), comparator);
        } else if (applyWeighting) {
            weightedChildren = sortChildren(IteratorUtils.toList(parent.listChildren()), new Comparator<Resource>() {
                public int compare(Resource r1, Resource r2) {
                    return getWeighting(r2, currentUser).compareTo(getWeighting(r1, currentUser));
                }
            });
        }

        final String itemRT = dsCfg.get("itemResourceType", String.class);
        final Iterator<Resource> resultIterator = (sortDefined) ? sortedChildren : (applyWeighting)
                ? weightedChildren : parent.listChildren();

        BlueprintManager bpManager = slingRequest.getResourceResolver().adaptTo(BlueprintManager.class);
        if (bpManager == null) {
            log.error("Could not get BlueprintManager instance");
            return;
        }
        final Set<String> bluePrintSources = getBluePrintSources(bpManager);


        @SuppressWarnings("unchecked")
        DataSource datasource = new AbstractDataSource() {
            public Iterator<Resource> iterator() {
                Iterator<Resource> it = new PagingIterator<Resource>(new FilterIterator(resultIterator, new Predicate() {
                    public boolean evaluate(Object o) {
                        Resource r = ((Resource) o);

                        if (pattern.matcher(r.getPath()).matches()) {
                            return false;
                        }

                        boolean searchMatches = true;
                        if (searchName != null) {
                            final Pattern searchNamePattern = Pattern.compile(Pattern.quote(searchName), Pattern.CASE_INSENSITIVE);
                            searchMatches = searchNamePattern.matcher(r.getName()).lookingAt();
                        }

                        Page p = r.adaptTo(Page.class);
                        boolean isFolder = r.isResourceType("sling:Folder") ||
                                r.isResourceType("sling:OrderedFolder") ||
                                r.isResourceType("nt:folder");
                        boolean bSupportedResourceType = false;
                        if(supportedResourceTypes!=null && supportedResourceTypes.length>0){
                            for(String strType: supportedResourceTypes){
                                if(r.isResourceType(strType)){
                                    bSupportedResourceType = true;
                                    break;
                                }
                            }
                        }

                        boolean blueprintExits = false;
                        if (bluePrintSources.contains(r.getPath())) {
                            blueprintExits = true;
                        }

                        return ((showFolders && isFolder) || bSupportedResourceType || (p != null && p.getDeleted() == null && searchMatches) && !blueprintExits);
                    }
                }), offset, limit);

                return new TransformIterator(it, new Transformer() {
                    public Object transform(Object o) {
                        Resource r = ((Resource) o);

                        return new ResourceWrapper(r) {
                            public String getResourceType() {
                                return itemRT;
                            }
                        };
                    }
                });
            }
        };

        ds = datasource;
    }

    request.setAttribute(DataSource.class.getName(), ds);
%><%!
    private String getTitle(Resource resource) {
        Page cqPage = resource.adaptTo(Page.class);
        String title = resource.getValueMap().get("jcr:content/jcr:title", resource.getValueMap().get("jcr:title", resource.getName()));

        if (cqPage != null) {
            title = cqPage.getTitle() == null ? cqPage.getName() : cqPage.getTitle();
        }

        return title;
    }

    private String getLastModified(Resource resource) {
        Page cqPage = resource.adaptTo(Page.class);
        return (cqPage != null) ? Long.toString(cqPage.getLastModified().getTimeInMillis()) : "0";
    }

    private String getPublished(Resource resource) {
        ReplicationStatus replicationStatus = resource.adaptTo(ReplicationStatus.class);
        Calendar publishedDate = null;
        Boolean isDeactivated = false;

        if (replicationStatus != null) {
            publishedDate = replicationStatus.getLastPublished();
            isDeactivated = replicationStatus.isDeactivated();
        }

        return (!isDeactivated && publishedDate != null) ? Long.toString(publishedDate.getTimeInMillis()) : "0";
    }

    private String getTemplate(Resource resource) {
        String templateTitle = "";
        Page cqPage = resource.adaptTo(Page.class);
        if (cqPage != null) {
            Template template = cqPage.getTemplate();
            if (template != null) {
                templateTitle = template.getTitle();
                if ("".equals(templateTitle) || templateTitle == null) {
                    templateTitle = template.getName();
                }
            }
        }
        return templateTitle;
    }

    private boolean isNew(Page page) {
        Calendar created = page.getProperties().get("jcr:created", Calendar.class);
        Calendar lastModified = page.getLastModified();

        Calendar twentyFourHoursAgo = Calendar.getInstance();
        twentyFourHoursAgo.add(Calendar.DATE, -1);

        if (created == null || (lastModified != null && lastModified.before(created))) {
            created = lastModified;
        }

        return created != null && twentyFourHoursAgo.before(created);
    }

    private List<WorkItem> getWorkItems(Authorizable user, WorkflowStatus workflowStatus, UserManager userManager)
            throws RepositoryException {
        List<WorkItem> workItems = new ArrayList<WorkItem>();

        if (workflowStatus != null && workflowStatus.isInRunningWorkflow(true)) {
            List<Workflow> workflows = workflowStatus.getWorkflows(true);
            for (Workflow workflow : workflows) {
                for (WorkItem item : workflow.getWorkItems()) {
                    boolean isAssigned = false;
                    String assigneeId = item.getCurrentAssignee();
                    Authorizable assignee = assigneeId != null ? userManager.getAuthorizable(assigneeId) : null;

                    if (assignee != null) {
                        if (((User) user).isAdmin()) {
                            isAssigned = true;
                        } else if (assignee.isGroup()) {
                            Group group = (Group) assignee;
                            isAssigned = group.isMember(user);
                        } else {
                            isAssigned = assignee.getID().equals(user.getID());
                        }
                    }
                    if (isAssigned) {
                        workItems.add(item);
                    }
                }
            }
        }

        return workItems;
    }

    /**
     * Gets a weighting for a resource
     *
     * @param resource The resource
     * @param currentUser The current user
     * @return The resource weight
     */
    private Integer getWeighting(Resource resource, Authorizable currentUser) {
        Page cqPage = resource.adaptTo(Page.class);
        boolean isNew = false;
        boolean hasWorkItem = false;

        try {
            UserManager userManager = resource.adaptTo(UserManager.class);
            WorkflowStatus workflowStatus = resource.adaptTo(WorkflowStatus.class);
            List<WorkItem> workItems = getWorkItems(currentUser, workflowStatus, userManager);

            isNew = (cqPage != null) && isNew(cqPage);
            hasWorkItem = !workItems.isEmpty();
        } catch (RepositoryException ignore) {
        }

        return (isNew) ? 10 : (hasWorkItem) ? 20 : 0;
    }

    /**
     * Gets a custom property for a page resource from a sortName in a columnInfo map
     *
     * @param slingRequest The request
     * @param piAggregatorService Page info aggregator
     * @param showColumnInfo The column info
     * @param sortName The ID of the sort term
     * @return The value of the custom property
     */
    private String getCustomPropertyValue(SlingHttpServletRequest slingRequest, PageInfoAggregator piAggregatorService, final LinkedHashMap<String, Map<String, Object>> showColumnInfo, Resource resource, String sortName) {
        Map<String, Object> customPageData = piAggregatorService.getAggregatedPageInfo(slingRequest, resource);

        for (Map.Entry<String, Map<String, Object>> columnInfoEntry : showColumnInfo.entrySet()) {
            String providerName = columnInfoEntry.getKey();
            Map<String, Object> providerCustomProperties = (Map<String, Object>) customPageData.get(providerName);

            if (providerCustomProperties != null) {
                for (String columnProviderProperty : (List<String>) columnInfoEntry.getValue().get("properties")) {
                    if (columnProviderProperty.equals(sortName)) {
                        Object propValue = providerCustomProperties.get(columnProviderProperty);

                        if (propValue != null) {
                            return propValue.toString();
                        }
                    }
                }
            }
        }

        return null;
    }

    /**
     * Gets a comparator suitable for the provided sortName
     *
     * @param slingRequest The request
     * @param piAggregatorService Page info aggregator
     * @param showColumnInfo The column info
     * @param sortName The ID of the sort term
     * @param sortDir The sort direction
     * @return Comparator for sorting page resources
     */
    private Comparator<Resource> getComparator(final SlingHttpServletRequest slingRequest, final PageInfoAggregator piAggregatorService, final LinkedHashMap<String, Map<String, Object>> showColumnInfo, final String sortName, final String sortDir) {
        Comparator comparator = new Comparator<Resource>() {
            public int compare(Resource r1, Resource r2) {
                if (sortName.toLowerCase().equals("main")) {
                    return getTitle(r2).compareTo(getTitle(r1));
                } else if (sortName.toLowerCase().equals("name")) {
                    return r2.getName().compareTo(r1.getName());
                } else if (sortName.toLowerCase().equals("modified")) {
                    return getLastModified(r2).compareTo(getLastModified(r1));
                } else if (sortName.toLowerCase().equals("published")) {
                    return getPublished(r2).compareTo(getPublished(r1));
                } else if (sortName.toLowerCase().equals("template")) {
                    return getTemplate(r2).compareTo(getTemplate(r1));
                } else {
                    // Analytics
                    if (piAggregatorService != null && showColumnInfo != null) {
                        String v1 = getCustomPropertyValue(slingRequest, piAggregatorService, showColumnInfo, r1, sortName);
                        String v2 = getCustomPropertyValue(slingRequest, piAggregatorService, showColumnInfo, r2, sortName);

                        if (v1 != null && v2 != null) {
                            return v1.compareTo(v2);
                        }
                    }
                }

                return 0;
            }
        };

        // reverses order if necessary
        boolean ascending = (sortDir.toLowerCase().equals("asc"));
        return (ascending) ? comparator : Collections.reverseOrder(comparator);
    }

    /**
     * Sorts child resources
     *
     * @param children The list of child resources
     * @param comparator The comparator for sorting the children
     * @return Iterator for the list of sorted resources
     */
    private Iterator<Resource> sortChildren(List<Resource> children, Comparator comparator) {
        Collections.sort(children, comparator);
        return children.iterator();
    }
%><%
%><%!

private Set<String> getBluePrintSources(BlueprintManager bpManager) {
    try {
        Iterator<Blueprint> allBlueprintConfigs = new ArrayList<Blueprint>(bpManager.getBlueprints()).iterator();
        Set<String> bluePrintSources = new HashSet<String>();
        while (allBlueprintConfigs.hasNext()) {
            Blueprint bp = allBlueprintConfigs.next();
            bluePrintSources.add(bp.getSitePath());
        }
        return bluePrintSources;
    } catch(WCMException we) {
        return Collections.emptySet();
        // do nothing
    }
}
%>