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comparison src/nabble/view/web/catalog/ChangeParent.java @ 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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-1:000000000000 0:7ecd1a4ef557
1
2 package nabble.view.web.catalog;
3
4 import fschmidt.db.DbDatabase;
5 import fschmidt.util.java.HtmlUtils;
6 import fschmidt.util.servlet.AuthorizingServlet;
7 import nabble.model.Message;
8 import nabble.model.ModelException;
9 import nabble.model.Node;
10 import nabble.model.Person;
11 import nabble.model.Site;
12 import nabble.model.User;
13 import nabble.model.export.Export;
14 import nabble.view.lib.Jtp;
15 import nabble.view.lib.Permissions;
16 import nabble.view.lib.Shared;
17 import nabble.view.web.template.UrlMapperNamespace;
18 import org.slf4j.Logger;
19 import org.slf4j.LoggerFactory;
20
21 import javax.servlet.ServletException;
22 import javax.servlet.http.HttpServlet;
23 import javax.servlet.http.HttpServletRequest;
24 import javax.servlet.http.HttpServletResponse;
25 import java.io.IOException;
26 import java.io.PrintWriter;
27
28
29 public class ChangeParent extends HttpServlet implements AuthorizingServlet {
30 private static final Logger logger = LoggerFactory.getLogger(ChangeParent.class);
31
32 public String getAuthorizationKey(HttpServletRequest request) throws ServletException {
33 return Jtp.getReadAuthorizationKey( Jtp.getSiteNotNull(request).getNode(Jtp.getLong(request,"forum")) );
34 }
35
36 public boolean authorize(String key,HttpServletRequest request,HttpServletResponse response) throws ServletException, IOException {
37 return Jtp.authorizeForRead(key,request,response);
38 }
39
40 protected void service(HttpServletRequest request, HttpServletResponse response)
41 throws ServletException, IOException
42 {
43 PrintWriter out = response.getWriter();
44 String forumId = request.getParameter("forum");
45 Node forum = forumId == null? null : Jtp.getSiteNotNull(request).getNode(Long.valueOf(forumId));
46
47 if (forum == null)
48 return;
49
50 Person visitor = Jtp.getVisitor(request, response);
51 boolean isSiteAdmin = visitor instanceof User && Permissions.isInGroup((User) visitor, Permissions.ADMINISTRATORS_GROUP);
52
53 boolean allowed = Jtp.canBeRemovedBy(forum,visitor);
54 if (!allowed) {
55 Jtp.login("Only administrators can proceed in this area.", request, response);
56 return;
57 }
58
59 String errorMsg = null;
60 String action = request.getParameter("action");
61 String option = request.getParameter("option");
62 String url = request.getParameter("url");
63 if ("set".equals(action) && "POST".equals(request.getMethod())) {
64 if ("provide-url".equals(option))
65 errorMsg = setParent(forum, url, request, response);
66 else if ("merge".equals(option))
67 errorMsg = merge(forum, visitor, isSiteAdmin, response);
68 else if ("delete-root".equals(option))
69 errorMsg = deleteRoot(forum, visitor, response);
70 else if ("create-parent".equals(option))
71 errorMsg = createParent(forum, (User)visitor, request, response);
72 if (errorMsg == null)
73 return;
74 }
75
76 Node currentParent = forum.getParent();
77
78 out.print( "\r\n<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" \"http://www.w3.org/TR/html4/loose.dtd\">\r\n<html>\r\n <head>\r\n " );
79 Shared.title(request, response, "Parent Options");
80 out.print( "\r\n <script type=\"text/javascript\">\r\n $(document).ready(function() {\r\n function handleFocus() {\r\n $('#url,#name,#description,#type').attr('disabled','y');\r\n var id = $(':radio').filter('[checked]').attr('id');\r\n if (id == 'choose-parent') {\r\n $('#url').removeAttr('disabled').focus();\r\n } else if (id == 'create-parent') {\r\n $('#name,#description,#type').removeAttr('disabled').focus();\r\n $('#name').focus();\r\n }\r\n };\r\n handleFocus();\r\n $(':radio').click(handleFocus);\r\n });\r\n </script>\r\n <style type=\"text/css\">\r\n div.field-title {\r\n font-weight:bold;\r\n font-size:110%;\r\n padding-bottom:.1em;\r\n margin-top: 1.7em;\r\n }\r\n span.disabled {\r\n font-size:90%;\r\n font-weight:normal;\r\n margin-left:1em\r\n }\r\n </style>\r\n </head>\r\n <body>\r\n " );
81 Shared.minHeader(request,response, forum);
82 out.print( "\r\n " );
83 Shared.editHeader(forum.getSubjectHtml(), "Parent Options", out);
84 out.print( "\r\n " );
85 Shared.errorMessage(request, response, errorMsg, null);
86 out.print( "\r\n <form id=\"parent-form\" method=\"post\" action=\"/catalog/ChangeParent.jtp\" accept-charset=\"UTF-8\">\r\n <input type=\"hidden\" name=\"action\" value=\"set\" />\r\n <input type=\"hidden\" name=\"forum\" value=\"" );
87 out.print( (forum.getId()) );
88 out.print( "\" />\r\n\r\n <div class=\"second-font field-title\">\r\n <input type=\"radio\" id=\"choose-parent\" name=\"option\" value=\"provide-url\" " );
89 out.print( (option == null || "provide-url".equals(option)? "checked='y'" : "") );
90 out.print( "/>\r\n <label for=\"choose-parent\">Set a New Parent</label>\r\n </div>\r\n <div class=\"weak-color\" style=\"margin-left:1.9em\">\r\n Enter the permalink of the new parent:<br/>\r\n <input id=\"url\" name=\"url\" size=\"60\" value=\"" );
91 out.print( (Jtp.hideNull(url)) );
92 out.print( "\"/>\r\n </div>\r\n\r\n " );
93 boolean isDisabled = !isSiteAdmin || currentParent == null || !Jtp.canBeDeletedBy(forum,visitor);
94 out.print( "\r\n <div class=\"second-font field-title\">\r\n <input type=\"radio\" " );
95 out.print( (isDisabled?"disabled":"") );
96 out.print( " id=\"merge\" name=\"option\" value=\"merge\" " );
97 out.print( ("merge".equals(option)? "checked='y'" : "") );
98 out.print( "/>\r\n <label for=\"merge\" " );
99 out.print( (isDisabled?"class='weak-color'":"") );
100 out.print( ">Merge into " );
101 out.print( (Jtp.parentName(forum)) );
102 out.print( "</label>\r\n " );
103 out.print( (isDisabled? "<span class='disabled important'>/ Not Applicable</span>":"") );
104 out.print( "\r\n </div>\r\n <div class=\"weak-color\" style=\"margin-left:1.9em\">\r\n Delete this " );
105 out.print( (Jtp.viewName(forum).toLowerCase()) );
106 out.print( " and move its contents to the " );
107 out.print( (Jtp.parentName(forum).toLowerCase()) );
108 out.print( ". <br/>\r\n </div>\r\n\r\n " );
109 isDisabled = !forum.isRoot() || forum.getChildCount() != 1;
110 out.print( "\r\n " );
111 Node child = isDisabled? null : forum.getChildren().get(0, 1).get(0);
112 out.print( "\r\n " );
113 isDisabled = child != null && child.getKind() == Node.Kind.POST? true : isDisabled;
114 out.print( "\r\n <div class=\"second-font field-title\">\r\n <input type=\"radio\" " );
115 out.print( (isDisabled?"disabled":"") );
116 out.print( " id=\"delete-root\" name=\"option\" value=\"delete-root\" " );
117 out.print( ("delete-root".equals(option)? "checked='y'" : "") );
118 out.print( "/>\r\n <label for=\"delete-root\" " );
119 out.print( (isDisabled?"class='weak-color'":"") );
120 out.print( ">Make Child the New Root</label>\r\n " );
121 out.print( (isDisabled? "<span class='disabled important'>/ Not Applicable</span>":"") );
122 out.print( "\r\n </div>\r\n <div class=\"weak-color\" style=\"margin-left:1.9em\">\r\n Delete this " );
123 out.print( (Jtp.viewName(forum).toLowerCase()) );
124 out.print( " and make " );
125 out.print( (child == null? "the single child" : child.getSubjectHtml() ) );
126 out.print( " the new root. <br/>\r\n </div>\r\n\r\n " );
127 isDisabled = forum.getParent() != null;
128 out.print( "\r\n <div class=\"second-font field-title\">\r\n <input type=\"radio\" id=\"create-parent\" name=\"option\" value=\"create-parent\" " );
129 out.print( ("create-parent".equals(option)? "checked='y'" : "") );
130 out.print( " " );
131 out.print( (isDisabled?"disabled":"") );
132 out.print( "/>\r\n <label " );
133 out.print( (isDisabled?"class='weak-color'":"") );
134 out.print( " for=\"create-parent\">Create a New Parent</label>\r\n " );
135 out.print( (isDisabled? "<span class='disabled important'>/ Not Applicable</span>":"") );
136 out.print( "\r\n </div>\r\n <div class=\"weak-color\" style=\"margin-left:1.9em\">\r\n <table>\r\n <tr>\r\n <td>Name:</td>\r\n <td><input id=\"name\" " );
137 out.print( (isDisabled?"disabled":"") );
138 out.print( " name=\"name\" size=\"30\" value=\"" );
139 out.print( (Jtp.hideNull(request.getParameter("name"))) );
140 out.print( "\" /></td>\r\n </tr>\r\n <tr>\r\n <td>Type:</td>\r\n <td>\r\n <select id=\"type\" name=\"type\">\r\n <option value=\"" );
141 out.print( (Node.Type.FORUM) );
142 out.print( "\">Forum</option>\r\n <option value=\"" );
143 out.print( (Node.Type.CATEGORY) );
144 out.print( "\">Category</option>\r\n <option value=\"" );
145 out.print( (Node.Type.BOARD) );
146 out.print( "\">Board</option>\r\n <option value=\"" );
147 out.print( (Node.Type.MIXED) );
148 out.print( "\">Mixed</option>\r\n <option value=\"" );
149 out.print( (Node.Type.GALLERY) );
150 out.print( "\">Gallery</option>\r\n <option value=\"" );
151 out.print( (Node.Type.BLOG) );
152 out.print( "\">Blog</option>\r\n <option value=\"" );
153 out.print( (Node.Type.NEWS) );
154 out.print( "\">Newspaper</option>\r\n </select>\r\n </td>\r\n </tr>\r\n </table>\r\n <div style=\"margin: .5em 0\">\r\n Description:<br/>\r\n <textarea id=\"description\" " );
155 out.print( (isDisabled?"disabled":"") );
156 out.print( " name=\"description\" style=\"width:30em;height:10em\">" );
157 out.print( (Jtp.hideNull(request.getParameter("description"))) );
158 out.print( "</textarea>\r\n </div>\r\n </div>\r\n\r\n <div style=\"margin-top:1.4em\">\r\n <input type=\"submit\" name=\"save\" value=\"Save Changes\" /> or <a href=\"" );
159 out.print( (Jtp.path(forum)) );
160 out.print( "\">Cancel</a>\r\n </div>\r\n </form>\r\n\r\n " );
161 Shared.footer(request, response);
162 out.print( "\r\n " );
163 Shared.analytics(request,response);
164 out.print( "\r\n </body>\r\n</html>\r\n" );
165
166 }
167
168 private static String setParent(Node app, String url, HttpServletRequest request, HttpServletResponse response)
169 throws IOException, ServletException
170 {
171 if (url == null || url.trim().length() == 0 || !url.startsWith("http://")) {
172 return "You must provide a valid link.";
173 } else {
174 url = Jtp.noCid(url);
175 Node parent = UrlMapperNamespace.getNodeFromUrl(url);
176 if (parent == null || parent.getKind()!=Node.Kind.APP || !parent.getSite().equals(app.getSite())) {
177 if (Export.isValidExportServer(url)) {
178 // Send to export confirmation page
179 response.sendRedirect("/catalog/ExportConfirmation.jtp?node="+app.getId()+"&url="+HtmlUtils.urlEncode(url));
180 return null;
181 } else {
182 return "The link you provided is not a valid Nabble application.";
183 }
184 } else if (parent.getSite().equals(app.getSite()) && parent.getAncestors().contains(app)) {
185 return "Circular relationship is not allowed.";
186 } else {
187 DbDatabase db = app.getSite().getDb();
188 db.beginTransaction();
189 try {
190 Node forumCopy = app.getGoodCopy();
191 forumCopy.changeParent(parent);
192 forumCopy.update();
193 db.commitTransaction();
194
195 forumCopy = forumCopy.getGoodCopy();
196 Shared.javascriptRedirect(request, response, Jtp.url(forumCopy), null, true);
197 return null;
198 } catch(ModelException.NodeLoop e) {
199 if (parent.equals(app))
200 return "The new parent cannot be the forum itself.";
201 else
202 return "The new parent cannot be a descendant of the current forum (circular relationship).";
203 } catch (ModelException e) {
204 logger.error("",e);
205 return "You cannot move this forum here because: "+e.getMessage();
206 } finally {
207 db.endTransaction();
208 }
209 }
210 }
211 }
212
213 private static String merge(Node app, Person visitor, boolean isSiteAdmin, HttpServletResponse response)
214 throws IOException, ServletException
215 {
216 if (isSiteAdmin || Jtp.canBeDeletedBy(app,visitor)) {
217 DbDatabase db = app.getSite().getDb();
218 db.beginTransaction();
219 try {
220 app = app.getGoodCopy();
221 Node parent = app.getParent();
222 for (Node child : app.getChildren()) {
223 child.changeParent(parent);
224 }
225 app.getGoodCopy().deleteMessageOrNode();
226 db.commitTransaction();
227 response.sendRedirect(Jtp.path(parent));
228 return null;
229 } catch (ModelException e) {
230 return e.getMessage();
231 } finally {
232 db.endTransaction();
233 }
234 } else {
235 return "You don't have privileges to delete and merge this sub-forum";
236 }
237 }
238
239 private static String deleteRoot(Node app, Person visitor, HttpServletResponse response)
240 throws IOException, ServletException
241 {
242 if (Jtp.canBeDeletedBy(app,visitor)) {
243 DbDatabase db = app.getSite().getDb();
244 db.beginTransaction();
245 try {
246 Site site = app.getSite();
247 site.deleteRootNode();
248 db.commitTransaction();
249 response.sendRedirect(site.getBaseUrl());
250 return null;
251 } catch (ModelException e) {
252 return e.getMessage();
253 } finally {
254 db.endTransaction();
255 }
256 } else {
257 return "You don't have privileges to make the child a new root";
258 }
259 }
260
261 private static String createParent(Node app, User user, HttpServletRequest request, HttpServletResponse response)
262 throws IOException, ServletException
263 {
264 DbDatabase db = app.getSite().getDb();
265 db.beginTransaction();
266 try {
267 String name = request.getParameter("name");
268 if (name == null || name.trim().length() == 0)
269 return "Please enter a valid name";
270 String description = request.getParameter("description");
271 String type = request.getParameter("type");
272 Node parent = user.newRootNode(Node.Kind.APP, name, description, Message.Format.TEXT, app.getSite(),type);
273 Jtp.addPinnedChild(parent, app.getGoodCopy());
274 db.commitTransaction();
275 response.sendRedirect(Jtp.path(parent));
276 return null;
277 } catch (ModelException e) {
278 return e.getMessage();
279 } finally {
280 db.endTransaction();
281 }
282 }
283 }
284