Add purge action.

wise-webapp/src/main/java/com/wisemapping/rest/AdminController.java

@@ -20,18 +20,29 @@ package com.wisemapping.rest;
 
 import com.wisemapping.exceptions.WiseMappingException;
 import com.wisemapping.model.AuthenticationType;
+import com.wisemapping.model.Collaboration;
+import com.wisemapping.model.Mindmap;
 import com.wisemapping.model.User;
+import com.wisemapping.rest.model.RestMindmapList;
 import com.wisemapping.rest.model.RestUser;
+import com.wisemapping.service.MindmapService;
 import com.wisemapping.service.UserService;
+import org.jetbrains.annotations.NotNull;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Qualifier;
 import org.springframework.http.HttpStatus;
 import org.springframework.stereotype.Controller;
 import org.springframework.web.bind.annotation.*;
 import org.springframework.web.servlet.ModelAndView;
+import sun.util.resources.CalendarData_th;
 
 import javax.servlet.http.HttpServletResponse;
 import java.io.IOException;
+import java.io.UnsupportedEncodingException;
+import java.util.ArrayList;
+import java.util.Calendar;
+import java.util.List;
+import java.util.regex.Pattern;
 
 @Controller
 public class AdminController extends BaseController {
@@ -39,6 +50,11 @@ public class AdminController extends BaseController {
     @Autowired
     private UserService userService;
 
+    @Qualifier("mindmapService")
+    @Autowired
+    private MindmapService mindmapService;
+
+
     @RequestMapping(method = RequestMethod.GET, value = "admin/users/{id}", produces = {"application/json", "text/html", "application/xml"})
     @ResponseBody
     public ModelAndView getUserById(@PathVariable long id) throws IOException {
@@ -115,4 +131,54 @@ public class AdminController extends BaseController {
         userService.deleteUser(user);
     }
 
+    @RequestMapping(method = RequestMethod.GET, value = "admin/db/purge", consumes = {"text/plain"})
+    @ResponseStatus(value = HttpStatus.NO_CONTENT)
+    public void purgeDB(@RequestParam(required = true) int max) throws UnsupportedEncodingException, WiseMappingException {
+
+        for (int i = 0; i < max; i++) {
+            User user;
+            try {
+                user = userService.getUserBy(i);
+            } catch (Exception e) {
+                // User does not exit's continue ...
+                continue;
+            }
+
+            // Do not process admin accounts ...
+            if (user.getEmail().contains("wisemapping")) {
+                continue;
+            }
+
+            // Iterate over the list of maps ...
+            final List<Collaboration> collaborations = mindmapService.findCollaborations(user);
+            for (Collaboration collaboration : collaborations) {
+                final Mindmap mindmap = collaboration.getMindMap();
+                if (MindmapFilter.MY_MAPS.accept(mindmap, user)) {
+
+                    final Calendar yearAgo = Calendar.getInstance();
+                    yearAgo.add(Calendar.MONTH, -18);
+                    // The use has only two maps... When they have been modified ..
+                    if (mindmap.getLastModificationTime().before(yearAgo) && !mindmap.isPublic()) {
+                        if (isWelcomeMap(mindmap) || isSimpleMap(mindmap)) {
+                            mindmapService.removeMindmap(mindmap, user);
+                        }
+                    }
+                }
+            }
+        }
+
+
+    }
+
+    private boolean isWelcomeMap(@NotNull Mindmap mindmap) throws UnsupportedEncodingException {
+        // Is welcome map ?
+        final String xmlStr = mindmap.getXmlStr();
+        return xmlStr.contains("Welcome To") && xmlStr.contains("My Wisemaps");
+    }
+
+    public boolean isSimpleMap(@NotNull Mindmap mindmap) throws UnsupportedEncodingException {
+        String xmlStr = mindmap.getXmlStr();
+        String[] topics = xmlStr.split(Pattern.quote("<topic"));
+        return topics.length <= 3;
+    }
 }