SAK-50886 Calendar: should not import events with broken urls or NPEs

assignment/tool/src/java/org/sakaiproject/assignment/tool/AssignmentAction.java

@@ -9733,6 +9733,7 @@ private void addAssignmentIdToCalendar(Assignment assignment, Calendar c, Calend
             CalendarEventEdit edit = c.getEditEvent(e.getId(), org.sakaiproject.calendar.api.CalendarService.EVENT_ADD_CALENDAR);
 
             edit.setField(CalendarConstants.NEW_ASSIGNMENT_DUEDATE_CALENDAR_ASSIGNMENT_ID, assignment.getId());
+            edit.setField(CalendarConstants.EVENT_OWNED_BY_TOOL_ID, AssignmentConstants.TOOL_ID);
             edit.setField(AssignmentConstants.NEW_ASSIGNMENT_OPEN_DATE_ANNOUNCED, assignmentService.getUsersLocalDateTimeString(assignment.getOpenDate()));
 
             c.commitEvent(edit);

calendar/calendar-api/api/src/java/org/sakaiproject/calendar/api/CalendarConstants.java

@@ -19,4 +19,5 @@ public class CalendarConstants {
 
 	public final static String NEW_ASSIGNMENT_DUEDATE_CALENDAR_ASSIGNMENT_ID = "new_assignment_duedate_calendar_assignment_id";
 	public final static String NEW_ASSIGNMENT_OPEN_DATE_ANNOUNCED = "new_assignment_open_date_announced";
+	public final static String EVENT_OWNED_BY_TOOL_ID = "event_owned_by_tool_id";
 }

calendar/calendar-impl/impl/pom.xml

@@ -50,11 +50,23 @@
             <groupId>org.sakaiproject.edu-services.course-management</groupId>
             <artifactId>coursemanagement-api</artifactId>
         </dependency>
+        <dependency>
+            <groupId>org.sakaiproject.msgcntr</groupId>
+            <artifactId>messageforums-api</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.sakaiproject.samigo</groupId>
+            <artifactId>samigo-api</artifactId>
+        </dependency>
         <dependency>
             <groupId>org.apache.commons</groupId>
             <artifactId>commons-lang3</artifactId>
         </dependency>
-            <dependency>
+        <dependency>
+            <groupId>org.sakaiproject.assignment</groupId>
+            <artifactId>sakai-assignment-api</artifactId>
+        </dependency>
+        <dependency>
             <groupId>${project.groupId}</groupId>
             <artifactId>sakai-calendar-hbm</artifactId>
             <version>${project.version}</version>

calendar/calendar-impl/impl/src/java/org/sakaiproject/calendar/impl/BaseCalendarService.java

@@ -99,6 +99,10 @@
 import org.sakaiproject.util.*;
 import org.sakaiproject.util.cover.LinkMigrationHelper;
 
+import org.sakaiproject.assignment.api.AssignmentServiceConstants;
+import org.sakaiproject.api.app.messageforums.DiscussionForumService;
+import org.sakaiproject.samigo.util.SamigoConstants;
+
 /**
  * <p>
  * BaseCalendarService is an base implementation of the CalendarService. Extension classes implement object creation, access and storage.
@@ -1587,6 +1591,8 @@ public String merge(String siteId, Element root, String archivePath, String from
 									String newId = getUniqueId();
 									element3.setAttribute("id", newId);
 
+									if ( ! shouldMergeEvent(element3) ) continue;
+
 									// get the attachment kids
 									NodeList children5 = element3.getChildNodes();
 									final int length5 = children5.getLength();
@@ -1636,6 +1642,50 @@ public String merge(String siteId, Element root, String archivePath, String from
 		return results.toString();
 	}
 
+	/*
+	 * Look at the properties of the event and determine if it should be merged or ignored
+	 */
+	private boolean shouldMergeEvent(Element el) {
+		NodeList nodeList = el.getElementsByTagName("property");
+
+		for (int i = 0; i < nodeList.getLength(); i++) {
+			Element prop = (Element) nodeList.item(i);
+			String name = prop.getAttribute("name");
+			String value = prop.getAttribute("value");
+			if ("BASE64".equalsIgnoreCase(prop.getAttribute("enc"))) {
+				value = Xml.decodeAttribute(prop, "value");
+			}
+
+			if ( StringUtils.contains(name, CalendarConstants.EVENT_OWNED_BY_TOOL_ID) &&
+				(StringUtils.contains(value, AssignmentServiceConstants.ASSIGNMENT_TOOL_ID) ||
+				StringUtils.contains(value, DiscussionForumService.FORUMS_TOOL_ID ) ||
+				StringUtils.contains(value, SamigoConstants.TOOL_ID) ) ) {
+				log.debug("Not importing assignment event from tool {}", value);
+				return false;
+			}
+
+			// Do not import events associated with an assignment - backwards compatibility
+			if ( StringUtils.contains(name, CalendarConstants.NEW_ASSIGNMENT_DUEDATE_CALENDAR_ASSIGNMENT_ID) ||
+			     StringUtils.contains(name, CalendarConstants.NEW_ASSIGNMENT_OPEN_DATE_ANNOUNCED) ) {
+				log.debug("Not importing assignment event {}", value);
+				return false;
+			}
+
+			// Samigo does not mark its events, but the notification message is consitent - backwards compatibility
+			if ( StringUtils.equals(name, "CHEF:description") && StringUtils.contains(value, "samigo-app/servlet/Login")) {
+				log.debug("Not importing samigo event based on description containing Samigo launch URL");
+				return false;
+			}
+
+			// Discussion topic deadlines include calendar-url values inevitably pointing to the wrong place - backwards compatibility
+			if ( StringUtils.equals(name, "CHEF:calendar-url") && StringUtils.contains(value, "portal/site")) {
+				log.debug("Not importing discussion topic deadline event based on calendar-url {}", value);
+				return false;
+			}
+		}
+		return true;
+	}
+
 	public Map<String, String> transferCopyEntities(String fromContext, String toContext, List<String> resourceIds, List<String> options) {
 
 		Map<String, String> transversalMap = new HashMap<String, String>();

msgcntr/messageforums-app/src/java/org/sakaiproject/tool/messageforums/DiscussionForumTool.java

@@ -106,6 +106,7 @@
 import org.sakaiproject.calendar.api.Calendar;
 import org.sakaiproject.calendar.api.CalendarEventEdit;
 import org.sakaiproject.calendar.api.CalendarService;
+import org.sakaiproject.calendar.api.CalendarConstants;
 import org.sakaiproject.component.app.messageforums.dao.hibernate.DBMembershipItemImpl;
 import org.sakaiproject.component.app.messageforums.dao.hibernate.util.comparator.ForumBySortIndexAscAndCreatedDateDesc;
 import org.sakaiproject.component.cover.ComponentManager;
@@ -2301,6 +2302,7 @@ private void processActionSendToCalendar(MutableEntity forumItem) {
             begin.setType(getResourceBundleString("sendOpenCloseToCalendar.type"));
             begin.setGroupAccess(allowedGroups, false);
             begin.setRange(this.timeService.newTimeRange(openDate.getTime(), 0));
+            begin.setField(CalendarConstants.EVENT_OWNED_BY_TOOL_ID, FORUMS_TOOL_ID);
             targetCalendar.commitEvent(begin);
           } else {  //if there is a Calendar event for the current forum item, but the open date is cleared, we interpret this as a removal.
             targetCalendar.removeEvent(begin);
@@ -2313,6 +2315,7 @@ private void processActionSendToCalendar(MutableEntity forumItem) {
           begin.setType(getResourceBundleString("sendOpenCloseToCalendar.type"));
           begin.setGroupAccess(allowedGroups, false);
           begin.setRange(this.timeService.newTimeRange(openDate.getTime(), 0));
+          begin.setField(CalendarConstants.EVENT_OWNED_BY_TOOL_ID, FORUMS_TOOL_ID);
           targetCalendar.commitEvent(begin);
         }
         if (calendarEndId != null) {
@@ -2329,6 +2332,7 @@ private void processActionSendToCalendar(MutableEntity forumItem) {
             end.setType(getResourceBundleString("sendOpenCloseToCalendar.type"));
             end.setGroupAccess(allowedGroups, false);
             end.setRange(this.timeService.newTimeRange(closeDate.getTime(), 0));
+            end.setField(CalendarConstants.EVENT_OWNED_BY_TOOL_ID, FORUMS_TOOL_ID);
             targetCalendar.commitEvent(end);
           } else {  //if there is a Calendar record for the closing, but no close date, we interpret it as a removal.
             targetCalendar.removeEvent(end);
@@ -2341,6 +2345,7 @@ private void processActionSendToCalendar(MutableEntity forumItem) {
           end.setType(getResourceBundleString("sendOpenCloseToCalendar.type"));
           end.setGroupAccess(allowedGroups, false);
           end.setRange(this.timeService.newTimeRange(closeDate.getTime(), 0));
+          end.setField(CalendarConstants.EVENT_OWNED_BY_TOOL_ID, FORUMS_TOOL_ID);
           targetCalendar.commitEvent(end);
         }
         if (begin != null) { //put the Calendar entry for Open in the Forum data.

samigo/samigo-services/src/java/org/sakaiproject/tool/assessment/integration/helper/integrated/CalendarServiceHelperImpl.java

@@ -31,6 +31,7 @@
 import org.sakaiproject.calendar.api.CalendarEvent;
 import org.sakaiproject.calendar.api.CalendarEventEdit;
 import org.sakaiproject.calendar.api.CalendarService;
+import org.sakaiproject.calendar.api.CalendarConstants;
 import org.sakaiproject.component.cover.ServerConfigurationService;
 import org.sakaiproject.entity.cover.EntityManager;
 import org.sakaiproject.exception.IdUnusedException;
@@ -49,6 +50,7 @@
 import org.sakaiproject.tool.assessment.integration.helper.ifc.CalendarServiceHelper;
 import org.sakaiproject.tool.assessment.services.assessment.PublishedAssessmentService;
 import org.sakaiproject.tool.cover.ToolManager;
+import org.sakaiproject.samigo.util.SamigoConstants;
 
 @Slf4j
 public class CalendarServiceHelperImpl implements CalendarServiceHelper {
@@ -127,6 +129,7 @@ public String addCalendarEvent(String siteId, String title, String desc, long da
 					CalendarEventEdit edit = calendar.getEditEvent(event.getId(), CalendarService.EVENT_ADD_CALENDAR);
 
 					edit.setDescriptionFormatted(desc);
+					edit.setField(CalendarConstants.EVENT_OWNED_BY_TOOL_ID, SamigoConstants.TOOL_ID);
 
 					calendar.commitEvent(edit);
 				}