Refactored LibDepStatistics to include FailedProjects

app/com/ysoft/odc/statistics/FailedProjects.scala

@@ -0,0 +1,23 @@
+package com.ysoft.odc.statistics
+
+import controllers.ReportInfo
+
+final class FailedProjects(val failedProjectsSet: Set[String]){
+  def isFailed(projectFullId: String): Boolean = {
+    val projectBareId = projectFullId.takeWhile(_ != '/')
+    failedProjectsSet contains projectBareId
+  }
+
+}
+
+object FailedProjects {
+  private[statistics] def combineFails(failedReportDownloads: Map[String, Throwable], parsingFailures: Map[ReportInfo, Throwable]): FailedProjects = {
+    /*
+    Fail can happen at multiple places:
+    1. Build cannot be downloaded (auth error, connection error, …) or is failed (failedReportDownloads)
+    2. Build is successful and can be downloaded, but it cannot be parsed (parsingFailures)
+    */
+    val failedProjectsSet = failedReportDownloads.keySet ++ parsingFailures.keySet.map(_.projectId)
+    new FailedProjects(failedProjectsSet)
+  }
+}