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diff src/nabble/view/web/catalog/ChangeParent.jtp @ 0:7ecd1a4ef557

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add content
author Franklin Schmidt <fschmidt@gmail.com>
date Thu, 21 Mar 2019 19:15:52 -0600
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children 18cf4872fd7f
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/nabble/view/web/catalog/ChangeParent.jtp	Thu Mar 21 19:15:52 2019 -0600
@@ -0,0 +1,312 @@
+<%
+package nabble.view.web.catalog;
+
+import fschmidt.db.DbDatabase;
+import fschmidt.util.java.HtmlUtils;
+import fschmidt.util.servlet.AuthorizingServlet;
+import nabble.model.Message;
+import nabble.model.ModelException;
+import nabble.model.Node;
+import nabble.model.Person;
+import nabble.model.Site;
+import nabble.model.User;
+import nabble.model.export.Export;
+import nabble.view.lib.Jtp;
+import nabble.view.lib.Permissions;
+import nabble.view.lib.Shared;
+import nabble.view.web.template.UrlMapperNamespace;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.io.IOException;
+import java.io.PrintWriter;
+
+
+public class ChangeParent extends HttpServlet implements AuthorizingServlet {
+	private static final Logger logger = LoggerFactory.getLogger(ChangeParent.class);
+
+	public String getAuthorizationKey(HttpServletRequest request) throws ServletException {
+		return Jtp.getReadAuthorizationKey( Jtp.getSiteNotNull(request).getNode(Jtp.getLong(request,"forum")) );
+	}
+
+	public boolean authorize(String key,HttpServletRequest request,HttpServletResponse response) throws ServletException, IOException {
+		return Jtp.authorizeForRead(key,request,response);
+	}
+
+	protected void service(HttpServletRequest request, HttpServletResponse response)
+		throws ServletException, IOException
+	{
+		PrintWriter out = response.getWriter();
+		String forumId = request.getParameter("forum");
+		Node forum = forumId == null? null : Jtp.getSiteNotNull(request).getNode(Long.valueOf(forumId));
+
+		if (forum == null)
+			return;
+
+		Person visitor = Jtp.getVisitor(request, response);
+		boolean isSiteAdmin = visitor instanceof User && Permissions.isInGroup((User) visitor, Permissions.ADMINISTRATORS_GROUP);
+
+		boolean allowed = Jtp.canBeRemovedBy(forum,visitor);
+		if (!allowed) {
+			Jtp.login("Only administrators can proceed in this area.", request, response);
+			return;
+		}
+
+		String errorMsg = null;
+		String action = request.getParameter("action");
+		String option = request.getParameter("option");
+		String url = request.getParameter("url");
+		if ("set".equals(action) && "POST".equals(request.getMethod())) {
+			if ("provide-url".equals(option))
+				errorMsg = setParent(forum, url, request, response);
+			else if ("merge".equals(option))
+				errorMsg = merge(forum, visitor, isSiteAdmin, response);
+			else if ("delete-root".equals(option))
+				errorMsg = deleteRoot(forum, visitor, response);
+			else if ("create-parent".equals(option))
+				errorMsg = createParent(forum, (User)visitor, request, response);
+			if (errorMsg == null)
+				return;
+		}
+
+		Node currentParent = forum.getParent();
+		%>
+		<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
+		<html>
+			<head>
+				<% Shared.title(request, response, "Parent Options"); %>
+				<script type="text/javascript">
+					$(document).ready(function() {
+						function handleFocus() {
+							$('#url,#name,#description,#type').attr('disabled','y');
+							var id = $(':radio').filter('[checked]').attr('id');
+							if (id == 'choose-parent') {
+								$('#url').removeAttr('disabled').focus();
+							} else if (id == 'create-parent') {
+								$('#name,#description,#type').removeAttr('disabled').focus();
+								$('#name').focus();
+							}
+						};
+						handleFocus();
+						$(':radio').click(handleFocus);
+					});
+				</script>
+				<style type="text/css">
+					div.field-title {
+						font-weight:bold;
+						font-size:110%;
+						padding-bottom:.1em;
+						margin-top: 1.7em;
+					}
+					span.disabled {
+						font-size:90%;
+						font-weight:normal;
+						margin-left:1em
+					}
+				</style>
+			</head>
+			<body>
+				<% Shared.minHeader(request,response, forum); %>
+				<% Shared.editHeader(forum.getSubjectHtml(), "Parent Options", out); %>
+				<% Shared.errorMessage(request, response, errorMsg, null); %>
+				<form id="parent-form" method="post" action="/catalog/ChangeParent.jtp" accept-charset="UTF-8">
+					<input type="hidden" name="action" value="set" />
+					<input type="hidden" name="forum" value="<%=forum.getId()%>" />
+
+					<div class="second-font field-title">
+						<input type="radio" id="choose-parent" name="option" value="provide-url" <%=option == null || "provide-url".equals(option)? "checked='y'" : ""%>/>
+						<label for="choose-parent">Set a New Parent</label>
+					</div>
+					<div class="weak-color" style="margin-left:1.9em">
+						Enter the permalink of the new parent:<br/>
+						<input id="url" name="url" size="60" value="<%=Jtp.hideNull(url)%>"/>
+					</div>
+
+					<% boolean isDisabled = !isSiteAdmin || currentParent == null || !Jtp.canBeDeletedBy(forum,visitor); %>
+					<div class="second-font field-title">
+						<input type="radio" <%=isDisabled?"disabled":""%> id="merge" name="option" value="merge" <%="merge".equals(option)? "checked='y'" : ""%>/>
+						<label for="merge" <%=isDisabled?"class='weak-color'":""%>>Merge into <%=Jtp.parentName(forum)%></label>
+						<%=isDisabled? "<span class='disabled important'>/ Not Applicable</span>":""%>
+					</div>
+					<div class="weak-color" style="margin-left:1.9em">
+						Delete this <%=Jtp.viewName(forum).toLowerCase()%> and move its contents to the <%=Jtp.parentName(forum).toLowerCase()%>. <br/>
+					</div>
+
+					<% isDisabled = !forum.isRoot() || forum.getChildCount() != 1; %>
+					<% Node child = isDisabled? null : forum.getChildren().get(0, 1).get(0); %>
+					<% isDisabled = child != null && child.getKind() == Node.Kind.POST? true : isDisabled; %>
+					<div class="second-font field-title">
+						<input type="radio" <%=isDisabled?"disabled":""%> id="delete-root" name="option" value="delete-root" <%="delete-root".equals(option)? "checked='y'" : ""%>/>
+						<label for="delete-root" <%=isDisabled?"class='weak-color'":""%>>Make Child the New Root</label>
+						<%=isDisabled? "<span class='disabled important'>/ Not Applicable</span>":""%>
+					</div>
+					<div class="weak-color" style="margin-left:1.9em">
+						Delete this <%=Jtp.viewName(forum).toLowerCase()%> and make <%=child == null? "the single child" : child.getSubjectHtml() %> the new root. <br/>
+					</div>
+
+					<% isDisabled = forum.getParent() != null; %>
+					<div class="second-font field-title">
+						<input type="radio" id="create-parent" name="option" value="create-parent" <%="create-parent".equals(option)? "checked='y'" : ""%> <%=isDisabled?"disabled":""%>/>
+						<label <%=isDisabled?"class='weak-color'":""%> for="create-parent">Create a New Parent</label>
+						<%=isDisabled? "<span class='disabled important'>/ Not Applicable</span>":""%>
+					</div>
+					<div class="weak-color" style="margin-left:1.9em">
+						<table>
+							<tr>
+								<td>Name:</td>
+								<td><input id="name" <%=isDisabled?"disabled":""%> name="name" size="30" value="<%=Jtp.hideNull(request.getParameter("name"))%>" /></td>
+							</tr>
+							<tr>
+								<td>Type:</td>
+								<td>
+									<select id="type" name="type">
+											<option value="<%=Node.Type.FORUM%>">Forum</option>
+											<option value="<%=Node.Type.CATEGORY%>">Category</option>
+											<option value="<%=Node.Type.BOARD%>">Board</option>
+											<option value="<%=Node.Type.MIXED%>">Mixed</option>
+											<option value="<%=Node.Type.GALLERY%>">Gallery</option>
+											<option value="<%=Node.Type.BLOG%>">Blog</option>
+											<option value="<%=Node.Type.NEWS%>">Newspaper</option>
+									</select>
+								</td>
+							</tr>
+						</table>
+						<div style="margin: .5em 0">
+							Description:<br/>
+							<textarea id="description" <%=isDisabled?"disabled":""%> name="description" style="width:30em;height:10em"><%=Jtp.hideNull(request.getParameter("description"))%></textarea>
+						</div>
+					</div>
+
+					<div style="margin-top:1.4em">
+						<input type="submit" name="save" value="Save Changes" /> or <a href="<%=Jtp.path(forum)%>">Cancel</a>
+					</div>
+				</form>
+
+				<% Shared.footer(request, response); %>
+				<% Shared.analytics(request,response); %>
+			</body>
+		</html>
+		<%
+	}
+
+	private static String setParent(Node app, String url, HttpServletRequest request, HttpServletResponse response)
+		throws IOException, ServletException
+	{
+		if (url == null || url.trim().length() == 0 || !url.startsWith("http://")) {
+			return "You must provide a valid link.";
+		} else {
+			url = Jtp.noCid(url);
+			Node parent = UrlMapperNamespace.getNodeFromUrl(url);
+			if (parent == null || parent.getKind()!=Node.Kind.APP || !parent.getSite().equals(app.getSite())) {
+				if (Export.isValidExportServer(url)) {
+					// Send to export confirmation page
+					response.sendRedirect("/catalog/ExportConfirmation.jtp?node="+app.getId()+"&url="+HtmlUtils.urlEncode(url));
+					return null;
+				} else {
+					return "The link you provided is not a valid Nabble application.";
+				}
+			} else if (parent.getSite().equals(app.getSite()) && parent.getAncestors().contains(app)) {
+				return "Circular relationship is not allowed.";
+			} else {
+				DbDatabase db = app.getSite().getDb();
+				db.beginTransaction();
+				try {
+					Node forumCopy = app.getGoodCopy();
+					forumCopy.changeParent(parent);
+					forumCopy.update();
+					db.commitTransaction();
+
+					forumCopy = forumCopy.getGoodCopy();
+					Shared.javascriptRedirect(request, response, Jtp.url(forumCopy), null, true);
+					return null;
+				} catch(ModelException.NodeLoop e) {
+					if (parent.equals(app))
+						return "The new parent cannot be the forum itself.";
+					else
+						return "The new parent cannot be a descendant of the current forum (circular relationship).";
+				} catch (ModelException e) {
+					logger.error("",e);
+					return "You cannot move this forum here because: "+e.getMessage();
+				} finally {
+					db.endTransaction();
+				}
+			}
+		}
+	}
+
+	private static String merge(Node app, Person visitor, boolean isSiteAdmin, HttpServletResponse response)
+		throws IOException, ServletException
+	{
+		if (isSiteAdmin || Jtp.canBeDeletedBy(app,visitor)) {
+			DbDatabase db = app.getSite().getDb();
+			db.beginTransaction();
+			try {
+				app = app.getGoodCopy();
+				Node parent = app.getParent();
+				for (Node child : app.getChildren()) {
+					child.changeParent(parent);
+				}
+				app.getGoodCopy().deleteMessageOrNode();
+				db.commitTransaction();
+				response.sendRedirect(Jtp.path(parent));
+				return null;
+			} catch (ModelException e) {
+				return e.getMessage();
+			} finally {
+				db.endTransaction();
+			}
+		} else {
+			return "You don't have privileges to delete and merge this sub-forum";
+		}
+	}
+
+	private static String deleteRoot(Node app, Person visitor, HttpServletResponse response)
+		throws IOException, ServletException
+	{
+		if (Jtp.canBeDeletedBy(app,visitor)) {
+			DbDatabase db = app.getSite().getDb();
+			db.beginTransaction();
+			try {
+				Site site = app.getSite();
+				site.deleteRootNode();
+				db.commitTransaction();
+				response.sendRedirect(site.getBaseUrl());
+				return null;
+			} catch (ModelException e) {
+				return e.getMessage();
+			} finally {
+				db.endTransaction();
+			}
+		} else {
+			return "You don't have privileges to make the child a new root";
+		}
+	}
+
+	private static String createParent(Node app, User user, HttpServletRequest request, HttpServletResponse response)
+		throws IOException, ServletException
+	{
+		DbDatabase db = app.getSite().getDb();
+		db.beginTransaction();
+		try {
+			String name = request.getParameter("name");
+			if (name == null || name.trim().length() == 0)
+				return "Please enter a valid name";
+			String description = request.getParameter("description");
+			String type = request.getParameter("type");
+			Node parent = user.newRootNode(Node.Kind.APP, name, description, Message.Format.TEXT, app.getSite(),type);
+			Jtp.addPinnedChild(parent, app.getGoodCopy());
+			db.commitTransaction();
+			response.sendRedirect(Jtp.path(parent));
+			return null;
+		} catch (ModelException e) {
+			return e.getMessage();
+		} finally {
+			db.endTransaction();
+		}
+	}
+}
+%>
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