/**
* Copyright © 2014 Instituto Superior Técnico
*
* This file is part of FenixEdu CMS.
*
* FenixEdu CMS 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.
*
* FenixEdu CMS 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 FenixEdu CMS. If not, see <http://www.gnu.org/licenses/>.
*/
package org.fenixedu.cms.ui;
import static java.util.stream.Collectors.toList;
import static org.fenixedu.cms.domain.PermissionEvaluation.canDoThis;
import static org.fenixedu.cms.domain.PermissionEvaluation.ensureCanDoThis;
import static org.fenixedu.cms.ui.SearchUtils.searchPages;
import java.util.Collection;
import java.util.Comparator;
import java.util.Optional;
import org.fenixedu.bennu.core.security.Authenticate;
import org.fenixedu.bennu.spring.portal.BennuSpringController;
import org.fenixedu.cms.domain.Menu;
import org.fenixedu.cms.domain.Page;
import org.fenixedu.cms.domain.PermissionsArray.Permission;
import org.fenixedu.cms.domain.Post;
import org.fenixedu.cms.domain.PostMetadata;
import org.fenixedu.cms.domain.Site;
import org.fenixedu.cms.domain.SiteActivity;
import org.fenixedu.cms.exceptions.CmsDomainException;
import org.fenixedu.commons.i18n.LocalizedString;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpEntity;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.servlet.view.RedirectView;
import com.google.common.base.Strings;
import com.google.gson.JsonArray;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import com.google.gson.JsonParser;
import pt.ist.fenixframework.FenixFramework;
@BennuSpringController(AdminSites.class)
@RequestMapping("/cms/pages")
public class AdminPages {
private static final int PER_PAGE = 10;
private static final String JSON = "application/json;charset=utf-8";
private static final JsonParser JSON_PARSER = new JsonParser();
@Autowired
AdminPagesService service;
@RequestMapping(value = "{slug}", method = RequestMethod.GET)
public String pages(Model model, @PathVariable String slug, @RequestParam(required = false) String query,
@RequestParam(required = false, defaultValue = "1") int currentPage) {
Site site = Site.fromSlug(slug);
ensureCanDoThis(site, Permission.SEE_PAGES);
Collection<Page> allPages = Strings.isNullOrEmpty(query) ? getStaticPages(site) : searchPages(getStaticPages(site), query);
SearchUtils.Partition<Page> partition =
new SearchUtils.Partition<>(allPages, Page.CREATION_DATE_COMPARATOR, PER_PAGE, currentPage);
model.addAttribute("site", site);
model.addAttribute("query", query);
model.addAttribute("partition", partition);
model.addAttribute("pages", partition.getItems());
return "fenixedu-cms/pages";
}
@RequestMapping(value = "{slugSite}/{slugPage}/edit", method = RequestMethod.GET)
public String edit(Model model, @PathVariable String slugSite, @PathVariable String slugPage) {
Site site = Site.fromSlug(slugSite);
ensureCanDoThis(site, Permission.SEE_PAGES, Permission.EDIT_PAGE);
Page page = site.pageForSlug(slugPage);
if(!page.isStaticPage()) {
throw CmsDomainException.forbiden();
}
model.addAttribute("site", site);
model.addAttribute("page", page);
model.addAttribute("post", page.getStaticPost().get());
return "fenixedu-cms/editPage";
}
@RequestMapping(value = "{slugSite}/{slugPage}/data", method = RequestMethod.GET, produces = JSON)
public @ResponseBody String data(@PathVariable String slugSite, @PathVariable String slugPage) {
Site site = Site.fromSlug(slugSite);
ensureCanDoThis(site, Permission.SEE_PAGES, Permission.EDIT_PAGE);
Page page = site.pageForSlug(slugPage);
if(!page.isStaticPage()) {
throw CmsDomainException.forbiden();
}
JsonObject data = new JsonObject();
JsonArray menus = new JsonArray();
if(canDoThis(site, Permission.LIST_MENUS, Permission.EDIT_MENU)) {
boolean canEditPrivilegedMenu = canDoThis(site, Permission.EDIT_PRIVILEGED_MENU);
site.getOrderedMenusSet().stream()
.filter(menu->!menu.getPrivileged() || canEditPrivilegedMenu)
.map(service::serializeMenu).forEach(menus::add);
}
data.add("post", service.serializePage(page));
data.add("menus", menus);
return data.toString();
}
@RequestMapping(value = "{slug}/create", method = RequestMethod.POST)
public RedirectView createPage(@PathVariable String slug, @RequestParam LocalizedString name) {
Site site = Site.fromSlug(slug);
ensureCanDoThis(site, Permission.SEE_PAGES, Permission.EDIT_PAGE, Permission.CREATE_PAGE);
Page page = service.createPageAndPost(name, site);
return pageRedirect(page);
}
@RequestMapping(value = "{slugSite}/{slugPage}/edit", method = RequestMethod.POST, consumes = JSON, produces = JSON)
public @ResponseBody String edit(@PathVariable String slugSite, @PathVariable String slugPage, HttpEntity<String> httpEntity) {
Site site = Site.fromSlug(slugSite);
ensureCanDoThis(site, Permission.SEE_PAGES, Permission.EDIT_PAGE);
JsonObject editData = JSON_PARSER.parse(httpEntity.getBody()).getAsJsonObject();
Page page = site.pageForSlug(slugPage);
if(!page.isStaticPage()) {
throw CmsDomainException.forbiden();
}
service.processChanges(site, page, editData);
return data(site.getSlug(), page.getSlug());
}
@RequestMapping(value = "{slugSite}/{slugPage}/delete", method = RequestMethod.POST)
public RedirectView delete(@PathVariable String slugSite, @PathVariable String slugPage) {
Site s = Site.fromSlug(slugSite);
Page page = s.pageForSlug(slugPage);
FenixFramework.atomic(() -> {
ensureCanDoThis(page.getSite(), Permission.EDIT_PAGE, Permission.DELETE_PAGE);
if(!page.isStaticPage()) {
throw CmsDomainException.forbiden();
}
page.getStaticPost().ifPresent(Post::delete);
SiteActivity.deletedPage(page,s, Authenticate.getUser());
page.delete();
});
return allPagesRedirect(s);
}
@RequestMapping(value = "{slugSite}/{slugPage}/metadata", method = RequestMethod.GET)
public String viewEditMetadata(Model model, @PathVariable String slugSite, @PathVariable String slugPage) {
Site s = Site.fromSlug(slugSite);
ensureCanDoThis(s, Permission.EDIT_PAGE, Permission.SEE_METADATA, Permission.EDIT_METADATA);
Page page = s.pageForSlug(slugPage);
if(!page.isStaticPage()) {
throw CmsDomainException.forbiden();
}
Post post = page.getStaticPost().get();
model.addAttribute("site", s);
model.addAttribute("page", page);
model.addAttribute("post", post);
model.addAttribute("metadata", Optional.ofNullable(post.getMetadata()).map(PostMetadata::json).map(
JsonElement::toString).orElseGet(()->new JsonObject().toString()));
return "fenixedu-cms/editMetadata";
}
@RequestMapping(value = "{slugSite}/{slugPage}/metadata", method = RequestMethod.POST)
public RedirectView editMetadata(@PathVariable String slugSite,
@PathVariable String slugPage,
@RequestParam String metadata) {
Site s = Site.fromSlug(slugSite);
Page page = s.pageForSlug(slugPage);
if(!page.isStaticPage()) {
throw CmsDomainException.forbiden();
}
FenixFramework.atomic(()-> {
ensureCanDoThis(s, Permission.EDIT_PAGE, Permission.SEE_METADATA, Permission.EDIT_METADATA);
page.getStaticPost().ifPresent(
post -> post.setMetadata(PostMetadata.internalize(metadata)));
});
return new RedirectView("/cms/pages/" + s.getSlug() + "/" + page.getSlug() + "/metadata", true);
}
private Collection<Page> getStaticPages(Site site) {
return site.getPagesSet().stream().filter(Page::isStaticPage).sorted(Page.PAGE_NAME_COMPARATOR)
.collect(toList());
}
public RedirectView allPagesRedirect(Site site) {
return new RedirectView("/cms/pages/" + site.getSlug() + "", true);
}
public RedirectView pageRedirect(Page page) {
return new RedirectView("/cms/pages/" + page.getSite().getSlug() + "/" + page.getSlug() + "/edit", true);
}
}