UI for Sites Management

ccm-core/src/main/java/org/libreccm/sites/Site.java

@@ -44,6 +44,10 @@ import javax.persistence.Table;
 @Entity
 @Table(name = "SITES", schema = DB_SCHEMA)
 @NamedQueries({
+    @NamedQuery(
+        name = "Site.findByUuid",
+        query = "SELECT s FROM Site s WHERE s.uuid = :uuid"
+    ),
     @NamedQuery(
         name = "Site.findByDomain",
         query = "SELECT s FROM Site s "

ccm-core/src/main/java/org/libreccm/sites/SiteAwareApplication.java

@@ -67,7 +67,7 @@ public class SiteAwareApplication extends CcmApplication {
 
     @Override
     public int hashCode() {
-        int hash = 3;
+        int hash = super.hashCode();
         if (site != null) {
             hash = 59 * hash + Objects.hashCode(site.getDomainOfSite());
             hash = 59 * hash + Objects.hashCode(site.isDefaultSite());
@@ -84,6 +84,9 @@ public class SiteAwareApplication extends CcmApplication {
         if (obj == null) {
             return false;
         }
+        if (!super.equals(obj)) {
+            return false;
+        }
         if (!(obj instanceof SiteAwareApplication)) {
             return false;
         }

ccm-core/src/main/java/org/libreccm/sites/SiteRepository.java

@@ -41,6 +41,28 @@ public class SiteRepository extends AbstractEntityRepository<Long, Site> {
 
     private static final long serialVersionUID = 3120528987720524155L;
 
+    /**
+     * Retrieve a {@link Site} by its UUID.
+     *
+     * @param uuid The UUID of the site.
+     *
+     * @return An {@link Optional} containing the {@link Site} if a site for the
+     *         provided UUID exists.
+     */
+    @Transactional(Transactional.TxType.REQUIRED)
+    public Optional<Site> findByUuid(final String uuid) {
+        try {
+            return Optional.of(
+                getEntityManager()
+                    .createNamedQuery("Site.findByUuid", Site.class)
+                    .setParameter("uuid", uuid)
+                    .getSingleResult()
+            );
+        } catch (NoResultException ex) {
+            return Optional.empty();
+        }
+    }
+
     /**
      * Retrieve the {@link Site} for a specific domain.
      *
@@ -127,7 +149,7 @@ public class SiteRepository extends AbstractEntityRepository<Long, Site> {
     public String getIdAttributeName() {
         return "objectId";
     }
-    
+
     @Override
     public Long getIdOfEntity(final Site entity) {
         return entity.getObjectId();

ccm-core/src/main/java/org/libreccm/ui/admin/sites/SiteDetailsModel.java

@@ -0,0 +1,121 @@
+/*
+ * Copyright (C) 2020 LibreCCM Foundation.
+ *
+ * This library 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 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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 this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+package org.libreccm.ui.admin.sites;
+
+import org.libreccm.sites.Site;
+import org.libreccm.theming.ThemeInfo;
+import org.libreccm.ui.Message;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+import java.util.stream.Collectors;
+
+import javax.enterprise.context.RequestScoped;
+import javax.inject.Named;
+
+/**
+ *
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+@RequestScoped
+@Named("SiteDetailsModel")
+public class SiteDetailsModel {
+
+    private long siteId;
+
+    private String uuid;
+
+    private String identifier;
+
+    private String domain;
+
+    private boolean defaultSite;
+
+    private String defaultTheme;
+
+    private Map<String, String> availableThemes;
+
+    private List<Message> messages;
+
+    public long getSiteId() {
+        return siteId;
+    }
+
+    public String getUuid() {
+        return uuid;
+    }
+
+    public String getIdentifier() {
+        return identifier;
+    }
+
+    public boolean isNew() {
+        return siteId == 0;
+    }
+
+    public String getDomain() {
+        return domain;
+    }
+
+    public boolean isDefaultSite() {
+        return defaultSite;
+    }
+
+    public String getDefaultTheme() {
+        return defaultTheme;
+    }
+
+    public Map<String, String> getAvailableThemes() {
+        return Collections.unmodifiableMap(availableThemes);
+    }
+
+    public List<Message> getMessages() {
+        return Collections.unmodifiableList(messages);
+    }
+
+    protected void addMessage(final Message message) {
+        messages.add(message);
+    }
+
+    protected void setSite(final Site site) {
+        Objects.requireNonNull(site);
+
+        siteId = site.getObjectId();
+        uuid = site.getUuid();
+        identifier = String.format("ID-%d", siteId);
+        domain = site.getDomainOfSite();
+        defaultSite = site.isDefaultSite();
+        defaultTheme = site.getDefaultTheme();
+    }
+
+    protected void setAvailableThemes(final List<ThemeInfo> availableThemes) {
+        this.availableThemes = availableThemes
+            .stream()
+            .collect(
+                Collectors.toMap(
+                    themeInfo -> themeInfo.getName(),
+                    themeInfo -> themeInfo.getName()
+                )
+            );
+    }
+
+}

ccm-core/src/main/java/org/libreccm/ui/admin/sites/SiteFormController.java

@@ -0,0 +1,160 @@
+/*
+ * Copyright (C) 2020 LibreCCM Foundation.
+ *
+ * This library 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 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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 this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+package org.libreccm.ui.admin.sites;
+
+import org.libreccm.api.Identifier;
+import org.libreccm.api.IdentifierParser;
+import org.libreccm.core.CoreConstants;
+import org.libreccm.security.AuthorizationRequired;
+import org.libreccm.security.RequiresPrivilege;
+import org.libreccm.sites.Site;
+import org.libreccm.sites.SiteRepository;
+import org.libreccm.ui.Message;
+import org.libreccm.ui.MessageType;
+import org.libreccm.ui.admin.AdminMessages;
+
+import java.util.Arrays;
+import java.util.Optional;
+
+import javax.enterprise.context.RequestScoped;
+import javax.inject.Inject;
+import javax.mvc.Controller;
+import javax.transaction.Transactional;
+import javax.ws.rs.FormParam;
+import javax.ws.rs.POST;
+import javax.ws.rs.Path;
+import javax.ws.rs.PathParam;
+
+/**
+ *
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+@RequestScoped
+@Controller
+@Path("/sites")
+public class SiteFormController {
+
+    @Inject
+    private AdminMessages adminMessages;
+
+    @Inject
+    private SiteDetailsModel siteDetailsModel;
+
+    @Inject
+    private SiteRepository siteRepository;
+
+    @Inject
+    private IdentifierParser identifierParser;
+
+    @FormParam("domain")
+    private String domainOfSite;
+
+    @FormParam("defaultSite")
+    private String defaultSite;
+
+    @FormParam("defaultTheme")
+    private String defaultTheme;
+
+    @POST
+    @Path("/new")
+    @AuthorizationRequired
+    @RequiresPrivilege(CoreConstants.PRIVILEGE_ADMIN)
+    @Transactional(Transactional.TxType.REQUIRED)
+    public String createSite() {
+        final Site site = new Site();
+        site.setDomainOfSite(domainOfSite);
+        if (defaultSite != null) {
+            resetDefaultSite();
+            site.setDefaultSite(true);
+        }
+        site.setDefaultTheme(defaultTheme);
+
+        siteRepository.save(site);
+
+        return "redirect:sites";
+    }
+
+    @POST
+    @Path("/{siteIdentifier}/edit")
+    @AuthorizationRequired
+    @RequiresPrivilege(CoreConstants.PRIVILEGE_ADMIN)
+    @Transactional(Transactional.TxType.REQUIRED)
+    public String updateSite(
+        @PathParam("siteIdentifier") final String siteIdentifierParam
+    ) {
+        final Identifier siteIdentifier = identifierParser.parseIdentifier(
+            siteIdentifierParam
+        );
+
+        final Optional<Site> result;
+        switch (siteIdentifier.getType()) {
+            case ID:
+                result = siteRepository.findById(
+                    Long.parseLong(siteIdentifier.getIdentifier())
+                );
+                break;
+            default:
+                result = siteRepository.findByUuid(
+                    siteIdentifier.getIdentifier()
+                );
+                break;
+        }
+
+        if (result.isPresent()) {
+            final Site site = result.get();
+
+            site.setDomainOfSite(domainOfSite);
+            site.setDefaultTheme(defaultTheme);
+
+            final boolean isDefaultSite = defaultSite != null;
+            if (isDefaultSite != site.isDefaultSite()) {
+                resetDefaultSite();
+                site.setDefaultSite(isDefaultSite);
+            }
+            siteRepository.save(site);
+
+            return String.format(
+                "redirect:sites/ID-%d/details", site.getObjectId()
+            );
+        } else {
+            siteDetailsModel.addMessage(
+                new Message(
+                    adminMessages.getMessage(
+                        "sites.not_found_message",
+                        Arrays.asList(siteIdentifierParam)
+                    ),
+                    MessageType.WARNING
+                )
+            );
+
+            return "org/libreccm/ui/admin/sites/site-not-found.xhtml";
+        }
+    }
+
+    private void resetDefaultSite() {
+        final Optional<Site> result = siteRepository
+            .findDefaultSite();
+        if (result.isPresent()) {
+            final Site site = result.get();
+            site.setDefaultSite(false);
+            siteRepository.save(site);
+        }
+    }
+
+}

ccm-core/src/main/java/org/libreccm/ui/admin/sites/SiteTableRow.java

@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 2020 LibreCCM Foundation.
+ *
+ * This library 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 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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 this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+package org.libreccm.ui.admin.sites;
+
+/**
+ *
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+public class SiteTableRow {
+
+    private long siteId;
+
+    private String uuid;
+
+    private String domain;
+
+    private boolean defaultSite;
+
+    private String defaultTheme;
+
+    public long getSiteId() {
+        return siteId;
+    }
+
+    protected void setSiteId(final long siteId) {
+        this.siteId = siteId;
+    }
+
+    public String getUuid() {
+        return uuid;
+    }
+
+    protected void setUuid(final String uuid) {
+        this.uuid = uuid;
+    }
+
+    public String getIdentifier() {
+        return String.format("ID-%d", siteId);
+    }
+
+    public String getDomain() {
+        return domain;
+    }
+
+    protected void setDomain(final String domain) {
+        this.domain = domain;
+    }
+
+    public boolean isDefaultSite() {
+        return defaultSite;
+    }
+
+    protected void setDefaultSite(final boolean defaultSite) {
+        this.defaultSite = defaultSite;
+    }
+
+    public String getDefaultTheme() {
+        return defaultTheme;
+    }
+
+    protected void setDefaultTheme(final String defaultTheme) {
+        this.defaultTheme = defaultTheme;
+    }
+
+}

ccm-core/src/main/java/org/libreccm/ui/admin/sites/SitesController.java

@@ -18,14 +18,33 @@
  */
 package org.libreccm.ui.admin.sites;
 
+import org.libreccm.api.Identifier;
+import org.libreccm.api.IdentifierParser;
 import org.libreccm.core.CoreConstants;
 import org.libreccm.security.AuthorizationRequired;
 import org.libreccm.security.RequiresPrivilege;
+import org.libreccm.sites.Site;
+import org.libreccm.sites.SiteRepository;
+import org.libreccm.theming.Themes;
+import org.libreccm.ui.Message;
+import org.libreccm.ui.MessageType;
+import org.libreccm.ui.admin.AdminMessages;
+
+import java.util.Arrays;
+import java.util.List;
+import java.util.Optional;
+import java.util.stream.Collectors;
 
 import javax.enterprise.context.RequestScoped;
+import javax.inject.Inject;
 import javax.mvc.Controller;
+import javax.mvc.Models;
+import javax.transaction.Transactional;
+import javax.ws.rs.FormParam;
 import javax.ws.rs.GET;
+import javax.ws.rs.POST;
 import javax.ws.rs.Path;
+import javax.ws.rs.PathParam;
 
 /**
  *
@@ -35,12 +54,190 @@ import javax.ws.rs.Path;
 @Controller
 @Path("/sites")
 public class SitesController {
-    
+
+    @Inject
+    private AdminMessages adminMessages;
+
+    @Inject
+    private IdentifierParser identifierParser;
+
+    @Inject
+    private Models models;
+
+    @Inject
+    private SiteDetailsModel siteDetailsModel;
+
+    @Inject
+    private SiteRepository siteRepository;
+
+    @Inject
+    private Themes themes;
+
     @GET
     @Path("/")
     @AuthorizationRequired
     @RequiresPrivilege(CoreConstants.PRIVILEGE_ADMIN)
+    @Transactional(Transactional.TxType.REQUIRED)
     public String getSites() {
-        return "org/libreccm/ui/admin/sites.xhtml";
+        final List<Site> sites = siteRepository.findAll();
+        models.put(
+            "sites",
+            sites
+                .stream()
+                .map(this::buildSiteTableRow)
+                .collect(Collectors.toList())
+        );
+
+        return "org/libreccm/ui/admin/sites/sites.xhtml";
     }
+
+    @GET
+    @Path("/{siteIdentifier}/details")
+    @AuthorizationRequired
+    @RequiresPrivilege(CoreConstants.PRIVILEGE_ADMIN)
+    @Transactional(Transactional.TxType.REQUIRED)
+    public String getSite(
+        @PathParam("siteIdentifier") final String siteIdentifierParam
+    ) {
+        final Identifier siteIdentifier = identifierParser.parseIdentifier(
+            siteIdentifierParam
+        );
+
+        final Optional<Site> result;
+        switch (siteIdentifier.getType()) {
+            case ID:
+                result = siteRepository.findById(
+                    Long.parseLong(siteIdentifier.getIdentifier())
+                );
+                break;
+            default:
+                result = siteRepository.findByUuid(
+                    siteIdentifier.getIdentifier()
+                );
+                break;
+        }
+
+        if (result.isPresent()) {
+            siteDetailsModel.setSite(result.get());
+            siteDetailsModel.setAvailableThemes(themes.getAvailableThemes());
+
+            return "org/libreccm/ui/admin/sites/site-details.xhtml";
+        } else {
+            siteDetailsModel.addMessage(
+                new Message(
+                    adminMessages.getMessage(
+                        "sites.not_found_message",
+                        Arrays.asList(siteIdentifierParam)
+                    ),
+                    MessageType.WARNING
+                )
+            );
+
+            return "org/libreccm/ui/admin/sites/site-not-found.xhtml";
+        }
+    }
+
+    @GET
+    @Path("/new")
+    @AuthorizationRequired
+    @RequiresPrivilege(CoreConstants.PRIVILEGE_ADMIN)
+    @Transactional(Transactional.TxType.REQUIRED)
+    public String createNewSite() {
+        siteDetailsModel.setAvailableThemes(themes.getAvailableThemes());
+        return "org/libreccm/ui/admin/sites/site-form.xhtml";
+    }
+
+    @GET
+    @Path("/{siteIdentifier}/edit")
+    @AuthorizationRequired
+    @RequiresPrivilege(CoreConstants.PRIVILEGE_ADMIN)
+    @Transactional(Transactional.TxType.REQUIRED)
+    public String editSite(
+        @PathParam("siteIdentifier") final String siteIdentifierParam
+    ) {
+        final Identifier siteIdentifier = identifierParser.parseIdentifier(
+            siteIdentifierParam
+        );
+
+        final Optional<Site> result;
+        switch (siteIdentifier.getType()) {
+            case ID:
+                result = siteRepository.findById(
+                    Long.parseLong(siteIdentifier.getIdentifier())
+                );
+                break;
+            default:
+                result = siteRepository.findByUuid(
+                    siteIdentifier.getIdentifier()
+                );
+                break;
+        }
+
+        if (result.isPresent()) {
+            siteDetailsModel.setSite(result.get());
+            siteDetailsModel.setAvailableThemes(themes.getAvailableThemes());
+
+            return "org/libreccm/ui/admin/sites/site-form.xhtml";
+        } else {
+            siteDetailsModel.addMessage(
+                new Message(
+                    adminMessages.getMessage(
+                        "sites.not_found_message",
+                        Arrays.asList(siteIdentifierParam)
+                    ),
+                    MessageType.WARNING
+                )
+            );
+
+            return "org/libreccm/ui/admin/sites/site-not-found.xhtml";
+        }
+    }
+    
+    @POST
+    @Path("/{identifier}/delete")
+    @AuthorizationRequired
+    @RequiresPrivilege(CoreConstants.PRIVILEGE_ADMIN)
+    @Transactional(Transactional.TxType.REQUIRED)
+    public String deleteSite(
+        @PathParam("identifier") final String siteIdentifierParam,
+        @FormParam("confirmed") final String confirmed
+    ) {
+        if ("true".equals(confirmed)) {
+            final Identifier siteIdentifier = identifierParser.parseIdentifier(
+            siteIdentifierParam
+        );
+
+        final Optional<Site> result;
+        switch (siteIdentifier.getType()) {
+            case ID:
+                result = siteRepository.findById(
+                    Long.parseLong(siteIdentifier.getIdentifier())
+                );
+                break;
+            default:
+                result = siteRepository.findByUuid(
+                    siteIdentifier.getIdentifier()
+                );
+                break;
+        }
+
+        if (result.isPresent()) {
+            siteRepository.delete(result.get());
+        }
+        }
+        
+        return "redirect:sites";
+    }
+
+    private SiteTableRow buildSiteTableRow(final Site site) {
+        final SiteTableRow row = new SiteTableRow();
+        row.setSiteId(site.getObjectId());
+        row.setUuid(site.getUuid());
+        row.setDomain(site.getDomainOfSite());
+        row.setDefaultSite(site.isDefaultSite());
+        row.setDefaultTheme(site.getDefaultTheme());
+
+        return row;
+    }
+
 }

ccm-core/src/main/java/org/libreccm/ui/admin/sites/SitesPage.java

@@ -36,6 +36,7 @@ public class SitesPage implements AdminPage {
     public Set<Class<?>> getControllerClasses() {
         final Set<Class<?>> classes = new HashSet<>();
         classes.add(SitesController.class);
+        classes.add(SiteFormController.class);
         return classes;
     }
 

ccm-core/src/main/resources/META-INF/resources/components/libreccm/deleteDialog.xhtml

@@ -101,6 +101,7 @@
                         </button>
                     </div>
                     <div class="modal-body">
+                        <input name="confirmed" type="hidden" value="true" />
                         <p>
                             #{cc.attrs.message}
                         </p>

ccm-core/src/main/resources/WEB-INF/views/org/libreccm/ui/admin/sites/site-details.xhtml

@@ -0,0 +1,67 @@
+<!DOCTYPE html>
+<html xmlns="http://www.w3.org/1999/xhtml" 
+      xmlns:bootstrap="http://xmlns.jcp.org/jsf/composite/components/bootstrap"
+      xmlns:c="http://xmlns.jcp.org/jsp/jstl/core"
+      xmlns:h="http://xmlns.jcp.org/jsf/html"
+      xmlns:libreccm="http://xmlns.jcp.org/jsf/composite/components/libreccm"
+      xmlns:ui="http://xmlns.jcp.org/jsf/facelets">
+
+    <ui:composition template="/WEB-INF/views/org/libreccm/ui/admin/ccm-admin.xhtml">
+
+        <ui:param name="activePage" value="sites" />
+        <ui:param name="title" value="#{AdminMessages['sites.label']}" />
+
+        <ui:define name="breadcrumb">
+            <li class="breadcrumb-item">
+                <a href="#{mvc.uri('SitesController#getSites')}">
+                    #{AdminMessages['sites.label']}
+                </a>
+            </li>
+            <li class="breadcrumb-item active">
+                #{SiteDetailsModel.domain}
+            </li>
+        </ui:define>
+
+        <ui:define name="main">
+            <div class="container">
+                <h1>#{AdminMessages.getMessage('site.details.title', [SiteDetailsModel.domain])}</h1>
+                <libreccm:messages messages="#{CategoryDetailsModel.messages}" />
+
+                <dl>
+                    <div>
+                        <dt>#{AdminMessages['sites.details.domain']}</dt>
+                        <dd>#{SiteDetailsModel.domain}</dd>
+                    </div>
+                    <div>
+                        <dt>#{AdminMessages['sites.details.defaultSite']}</dt>
+                        <dd>
+                            <c:choose>
+                                <c:when test="#{SiteDetailsModel.defaultSite}">
+                                    #{AdminMessages['sites.details.defaultSite.yes']}
+                                </c:when>
+                                <c:otherwise>
+                                    #{AdminMessages['sites.details.defaultSite.no']}
+                                </c:otherwise>
+                            </c:choose>
+                        </dd>
+                    </div>
+                    <div>
+                        <dt>#{AdminMessages['sites.details.defaultTheme']}</dt>
+                        <dd>#{SiteDetailsModel.defaultTheme}</dd>
+                    </div>
+                </dl>
+
+                <div class="mb-4">
+                    <a class="btn btn-primary"
+                       href="#{mvc.uri('SitesController#editSite', {'siteIdentifier': SiteDetailsModel.identifier } )}">
+                        <bootstrap:svgIcon icon="pen" />
+                        <span>#{AdminMessages['site.details.edit']}</span>
+                    </a>
+                </div>
+
+            </div>
+        </ui:define>
+
+    </ui:composition>
+
+</html>

ccm-core/src/main/resources/WEB-INF/views/org/libreccm/ui/admin/sites/site-form.xhtml

@@ -0,0 +1,87 @@
+<!DOCTYPE html>
+<html xmlns="http://www.w3.org/1999/xhtml" 
+      xmlns:bootstrap="http://xmlns.jcp.org/jsf/composite/components/bootstrap"
+      xmlns:c="http://xmlns.jcp.org/jsp/jstl/core"
+      xmlns:h="http://xmlns.jcp.org/jsf/html"
+      xmlns:ui="http://xmlns.jcp.org/jsf/facelets">
+    <ui:composition template="/WEB-INF/views/org/libreccm/ui/admin/ccm-admin.xhtml">
+
+        <ui:param name="activePage" value="sites" />
+        <ui:param name="title" value="#{AdminMessages['sites.label']}" />
+
+        <ui:define name="breadcrumb">
+            <li class="breadcrumb-item">
+                <a href="#{mvc.uri('SitesController#getSites')}">
+                    #{AdminMessages['sites.label']}
+                </a>
+            </li>
+            <c:choose>
+                <c:when test="#{SiteDetailsModel.new}">
+                    <li class="breadcrumb-item active">
+                        #{AdminMessages['sites.breadcrumbs.create']}
+                    </li>
+                </c:when>
+                <c:otherwise>
+                    <li class="breadcrumb-item">
+                        <a href="#{mvc.uri('SitesController#getSite', {'siteIdentifier': SiteDetailsModel.identifier })}">
+                            #{SiteDetailsModel.domain}
+                        </a>
+                    </li>
+                    <li class="breadcrumb-item active">
+                        #{AdminMessages['sites.breadcrumbs.edit']}
+                    </li>
+                </c:otherwise>
+            </c:choose>
+        </ui:define>
+
+        <ui:define name="main">
+            <div class="container">
+                <h1>
+                    <c:choose>
+                        <c:when test="#{SiteDetailsModel.new}">
+                            #{AdminMessages['sites.create.label']}
+                        </c:when>
+                        <c:otherwise>
+                            #{AdminMessages.getMessage('sites.edit.label', [SiteDetailsModel.domain])}
+                        </c:otherwise>
+                    </c:choose>
+                </h1>
+
+                <form action="#{SiteDetailsModel.new ? mvc.uri('SiteFormController#createSite') : mvc.uri('SiteFormController#updateSite', {'siteIdentifier': SiteDetailsModel.identifier })}"
+                      method="post">
+                    <bootstrap:formGroupText help="#{AdminMessages['sites.form.domain.help']}"
+                                             inputId="domain"
+                                             label="#{AdminMessages['sites.form.domain.label']}"
+                                             name="domain"
+                                             required="true"
+                                             value="#{SiteDetailsModel.domain}" />
+                    <bootstrap:formCheck label="#{AdminMessages['sites.form.defaultsite.label']}"
+                                         inputId="defaultSite"
+                                         name="defaultSite"
+                                         required="false"
+                                         value="#{SiteDetailsModel.defaultSite}" />
+                    <bootstrap:formGroupSelect help="#{AdminMessages['sites.form.defaulttheme.help']}"
+                                               inputId="defaultTheme"
+                                               label="#{AdminMessages['sites.form.defaulttheme.label']}"
+                                               name="defaultTheme"
+                                               options="#{SiteDetailsModel.availableThemes}" />
+                    <a class="btn btn-warning"
+                       href="#{SiteDetailsModel.new ? mvc.uri('SitesController#getSites') : mvc.uri('SitesController#getSite', { 'siteIdentifier': SiteDetailsModel.identifier })}">
+                        #{AdminMessages['sites.form.buttons.cancel']}
+                    </a>
+                    <button class="btn btn-success" type="submit">
+                        <c:choose>
+                            <c:when test="#{SiteDetailsModel.new}">
+                                #{AdminMessages['sites.form.buttons.create']}
+                            </c:when>
+                            <c:otherwise>
+                                #{AdminMessages['sites.form.buttons.save']}
+                            </c:otherwise>
+                        </c:choose>
+                    </button>
+                </form>
+            </div>
+        </ui:define>
+
+    </ui:composition>
+</html>

ccm-core/src/main/resources/WEB-INF/views/org/libreccm/ui/admin/sites/site-not-found.xhtml

@@ -0,0 +1,30 @@
+<!DOCTYPE html>
+<html xmlns="http://www.w3.org/1999/xhtml" 
+      xmlns:c="http://xmlns.jcp.org/jsp/jstl/core"
+      xmlns:h="http://xmlns.jcp.org/jsf/html"
+      xmlns:ui="http://xmlns.jcp.org/jsf/facelets">
+    <ui:composition template="/WEB-INF/views/org/libreccm/ui/admin/ccm-admin.xhtml">
+
+        <ui:param name="activePage" value="categories" />
+        <ui:param name="title" value="#{AdminMessages['categorymanager.label']}" />
+
+        <ui:define name="breadcrumb">
+            <li class="breadcrumb-item active">
+                #{AdminMessages['categorymanager.label']}
+            </li>
+        </ui:define>
+
+        <ui:define name="main">
+            <div class="container">
+                <h1>#{AdminMessages['site.not_found.title']}</h1>
+                <c:forEach items="#{SiteDetailsModel.messages}" var="message">
+                    <div class="alert alert-#{message.messageType}" role="alert">
+                        #{message}
+                    </div>
+                </c:forEach>
+            </div>
+        </ui:define>
+
+    </ui:composition>
+</html>
+

ccm-core/src/main/resources/WEB-INF/views/org/libreccm/ui/admin/sites/sites.xhtml

@@ -1,7 +1,9 @@
 <!DOCTYPE html>
 <html xmlns="http://www.w3.org/1999/xhtml" 
+      xmlns:bootstrap="http://xmlns.jcp.org/jsf/composite/components/bootstrap"
       xmlns:c="http://xmlns.jcp.org/jsp/jstl/core"
       xmlns:h="http://xmlns.jcp.org/jsf/html"
+      xmlns:libreccm="http://xmlns.jcp.org/jsf/composite/components/libreccm"
       xmlns:ui="http://xmlns.jcp.org/jsf/facelets">
     <ui:composition template="/WEB-INF/views/org/libreccm/ui/admin/ccm-admin.xhtml">
 
@@ -18,7 +20,64 @@
         <ui:define name="main">
             <div class="container">
                 <h1>#{AdminMessages['sites.label']}</h1>
-                <p>Placeholder</p>
+
+                <div class="mb-2">
+                    <div class="text-right">
+                        <a class="btn btn-secondary"
+                           href="#{mvc.uri('SitesController#createNewSite')}">
+                            <bootstrap:svgIcon icon="plus-circle" />
+                            <span>#{AdminMessages['sites.add_site']}</span>
+                        </a>
+                    </div>
+                </div>
+                <table class="table table-hover">
+                    <thead>
+                        <tr>
+                            <th>#{AdminMessages['sites.table.heading.domain']}</th>
+                            <th>#{AdminMessages['sites.table.heading.defaultSite']}</th>
+                            <th>#{AdminMessages['sites.table.heading.defaultTheme']}</th>
+                            <th class="text-center" colspan="2">#{AdminMessages['sites.table.heading.actions']}</th>
+                        </tr>
+                    </thead>
+                    <tbody>
+                        <c:forEach items="#{sites}" var="site">
+                            <tr>
+                                <td>#{site.domain}</td>
+                                <td>
+                                    <c:choose>
+                                        <c:when test="#{site.defaultSite}">
+                                            #{AdminMessages['sites.table.defaultSite.yes']}
+                                        </c:when>
+                                        <c:otherwise>
+                                            #{AdminMessages['sites.table.defaultSite.no']}
+                                        </c:otherwise>
+                                    </c:choose>
+                                </td>
+                                <td>
+                                    #{site.defaultTheme}
+                                </td>
+                                <td>
+                                    <a class="btn btn-info"
+                                       href="#{mvc.uri('SitesController#getSite', {'siteIdentifier': site.identifier })}">
+                                        <bootstrap:svgIcon icon="pen" />
+                                        <span>
+                                            #{AdminMessages['sites.table.edit']}
+                                        </span>
+                                    </a>
+                                </td>
+                                <td>
+                                    <libreccm:deleteDialog actionTarget="#{mvc.uri('SitesController#deleteSite', {'identifier': site.identifier })}" 
+                                                           buttonText="#{AdminMessages['sites.table.delete']}"
+                                                           cancelLabel="#{AdminMessages['sites.delete_dialog.cancel']}"
+                                                           confirmLabel="#{AdminMessages['sites.delete_dialog.confirm']}"
+                                                           dialogId="delete-site-dialog-#{site.siteId}"
+                                                           dialogTitle="#{AdminMessages['sites.delete_dialog.title']}"
+                                                           message="#{AdminMessages.getMessage('sites.delete_dialog.message', [site.domain])}" />
+                                </td>
+                            </tr>
+                        </c:forEach>
+                    </tbody>
+                </table>
             </div>
         </ui:define>
 

ccm-core/src/main/resources/org/libreccm/ui/AdminBundle.properties

@@ -455,3 +455,38 @@ categories.invalid_direction.message=Invalid direction {0}. Valid direction are:
 categories.details.subcategories.table.headings.actions=Actions
 categories.details.subcategories.reorder.decrease=Move up
 categories.details.subcategories.reorder.increase=Move down
+sites.table.heading.domain=Domain
+sites.table.heading.defaultSite=Default site?
+sites.table.heading.defaultTheme=Default Theme
+sites.table.heading.actions=Actions
+sites.table.defaultSite.yes=Yes
+sites.table.defaultSite.no=No
+sites.table.edit=Edit
+sites.table.delete=Delete
+sites.delete_dialog.cancel=Cancel
+sites.delete_dialog.confirm=Delete site
+sites.delete_dialog.title=Confirm to delete site
+sites.delete_dialog.message=Are you sure to delete the site for the domain {0}?
+sites.add_site=Add Site
+site.not_found.title=Site not found
+sites.not_found_message=No site for identifier {0} gefunden.
+site.details.title=Site {0}
+sites.details.domain=Domain
+sites.details.defaultSite=Default Site?
+sites.details.defaultSite.yes=Yes
+sites.details.defaultSite.no=No
+sites.details.defaultTheme=Default Theme
+site.details.edit=Edit
+sites.site.edit.label=Edit
+sites.breadcrumbs.create=Create new site
+sites.breadcrumbs.edit=Edit
+sites.create.label=Create new Site
+sites.edit.label=Edit Site {0}
+sites.form.domain.help=The domain of the site
+sites.form.domain.label=Domain
+sites.form.defaultsite.label=Is default site?
+sites.form.defaulttheme.help=Default theme of the site
+sites.form.defaulttheme.label=Default Theme
+sites.form.buttons.cancel=Cancel
+sites.form.buttons.create=Create Site
+sites.form.buttons.save=Save

ccm-core/src/main/resources/org/libreccm/ui/AdminBundle_de.properties

@@ -455,3 +455,38 @@ categories.invalid_direction.message=Ung\u00fcltiger Wert {0} f\u00fcr Parameter
 categories.details.subcategories.table.headings.actions=Aktionen
 categories.details.subcategories.reorder.decrease=Hoch
 categories.details.subcategories.reorder.increase=Runter
+sites.table.heading.domain=Domain
+sites.table.heading.defaultSite=Default site?
+sites.table.heading.defaultTheme=Standard Theme
+sites.table.heading.actions=Aktionen
+sites.table.defaultSite.yes=Ja
+sites.table.defaultSite.no=Nein
+sites.table.edit=Bearbeiten
+sites.table.delete=L\u00f6schen
+sites.delete_dialog.cancel=Abbrechen
+sites.delete_dialog.confirm=Site l\u00f6schen
+sites.delete_dialog.title=L\u00f6schen der Site best\u00e4tigen
+sites.delete_dialog.message=Sind Sie sicher, dass Sie die Site f\u00fcr die Domain {0} l\u00f6schen wollen?
+sites.add_site=Site hinzuf\u00fcgen
+site.not_found.title=Site nicht verf\u00fcgbar
+sites.not_found_message=Keine Site mit Identifier {0} gefunden.
+site.details.title=Site {0}
+sites.details.domain=Domain
+sites.details.defaultSite=Standard Seite?
+sites.details.defaultSite.yes=Ja
+sites.details.defaultSite.no=Nein
+sites.details.defaultTheme=Standard Theme
+site.details.edit=Bearbeiten
+sites.site.edit.label=Bearbeiten
+sites.breadcrumbs.create=Neue Site anlegen
+sites.breadcrumbs.edit=Bearbeiten
+sites.create.label=Neue Site anlegen
+sites.edit.label=Site {0} bearbeiten
+sites.form.domain.help=Die Domain der Seite
+sites.form.domain.label=Domain
+sites.form.defaultsite.label=Ist Standard-Seite?
+sites.form.defaulttheme.help=Das Standard-Theme der Seite
+sites.form.defaulttheme.label=Standard Theme
+sites.form.buttons.cancel=Abbrechen
+sites.form.buttons.create=Site anlegen
+sites.form.buttons.save=Speichern