Added summary from hits collection

pom.xml

@@ -7,7 +7,7 @@
 
     <groupId>org.graylog.plugins</groupId>
     <artifactId>graylog-plugin-pagerduty</artifactId>
-    <version>1.3.1-SNAPSHOT</version>
+    <version>1.3.2-SNAPSHOT</version>
     <packaging>jar</packaging>
 
     <name>${project.artifactId}</name>

src/main/java/org/graylog2/alarmcallbacks/pagerduty/PagerDutyAlarmCallbackMetadata.java

@@ -50,7 +50,7 @@ public URI getURL() {
 
     @Override
     public Version getVersion() {
-        return new Version(1, 3, 1, "SNAPSHOT");
+        return new Version(1, 3, 2, "SNAPSHOT");
     }
 
     @Override

src/main/java/org/graylog2/alarmcallbacks/pagerduty/PagerDutyClient.java

@@ -154,13 +154,15 @@ private PagerDutyEvent buildPagerDutyEvent(final Stream stream, final AlertCondi
         final String description = "[ " + stream.getTitle() + " ] " + checkResult.getResultDescription() + " - "
                                     + buildStreamLink(clientUrl, stream);
 
+        final List<Message> backlog_items = getAlarmBacklog(checkResult);
+        final String backlog_summary = getAlarmBacklogSummary(backlog_items);
         return new PagerDutyEvent(
                 serviceKey, "trigger", description, incidentKey, clientName, buildStreamLink(clientUrl, stream),
                 ImmutableMap.<String, Object>of(
                         "stream_id", stream.getId(),
                         "stream_title", stream.getTitle(),
                         "backlog", checkResult.getTriggeredCondition().getBacklog(),
-                        "search_hits", getAlarmBacklog(checkResult).size(),
+                        "hits", backlog_summary,
                         "alert_description", alertDescription
                 ),
                 ImmutableList.<Object>of(
@@ -173,6 +175,19 @@ private PagerDutyEvent buildPagerDutyEvent(final Stream stream, final AlertCondi
         );
     }
 
+    protected String getAlarmBacklogSummary(List<Message> messages) {
+        final StringBuilder sb = new StringBuilder();
+        for (Message message : messages) {
+            final String msg = message.getMessage();
+            if (msg.length() > 225) {
+                sb.append("Message: {").append(msg.substring(0, 255)).append("... }  ");
+            } else {
+                sb.append("Message: {").append(msg).append("}  ");
+            }
+        }
+        return sb.toString();
+    }
+
     protected List<Message> getAlarmBacklog(AlertCondition.CheckResult result) {
         final AlertCondition alertCondition = result.getTriggeredCondition();
         final List<MessageSummary> matchingMessages = result.getMatchingMessages();