Fixes #15948: Event log page must only load one day back of logs by d…

…efault

webapp/sources/rudder/rudder-rest/src/main/scala/com/normation/rudder/rest/internal/EventLogAPI.scala

@@ -83,28 +83,26 @@ class EventLogAPI (
     )
   }
 
-  def getEventLogBySlice(start: Int,  nbelement: Int,  criteria : Option[String], optLimit:Option[Int] = None, orderBy:Option[String]): Box[(Int,Seq[EventLog])] = {
-    repos.getEventLogByCriteria(criteria,  optLimit, orderBy).toBox match  {
-      case Full(events) => Full((events.size, events.slice(start,start+nbelement)))
-      case eb: EmptyBox  => eb ?~! s"Error when trying fetch eventlogs from database for page ${(start/nbelement)+1}"
+  def getEventLogBySlice(start: Int, criteria : Option[String], optLimit:Option[Int], orderBy:Option[String]): Box[Seq[EventLog]] = {
+    repos.getEventLogByCriteria(Some( s"1 = 1 order by id desc offset ${start}" ),  optLimit, None).toBox match  {
+      case Full(events) => Full( events)
+      case eb: EmptyBox  => eb ?~! s"Error when trying fetch eventlogs from database for page ${(start/optLimit.getOrElse(1))+1}"
     }
   }
 
   def requestDispatch: PartialFunction[Req, () => Box[LiftResponse]] = {
     case Get(Nil, req) =>
-
-
       (for {
         optDraw <- restExtractor.extractInt("draw")(req)(i => Full(i.toInt))
         draw <- Box(optDraw) ?~! "Missing 'draw' field from datatable's request"
         optStart <- restExtractor.extractInt("start")(req)(i => Full(i.toInt))
         start <- Box(optStart) ?~! "Missing 'start' field from datatable's request"
         optLength <- restExtractor.extractInt("length")(req)(i => Full(i.toInt))
-        length <- Box(optLength) ?~! "Missing 'start' field from datatable's request"
-        (totalFiltered, events) <- getEventLogBySlice(start, length, None, None, Some("id DESC"))
+        length <- Box(optLength) ?~! "Missing 'length' field from datatable's request"
+        events <- getEventLogBySlice(start, None, Some(length), Some("id DESC"))
         totalRecord <- repos.getEventLogCount.toBox
       } yield {
-        responseFormater(draw, totalRecord, totalFiltered.toLong, events)
+        responseFormater(draw, totalRecord, totalRecord, events)
       }) match {
         case Full(resp) =>
           JsonResponse(resp)