fixed email body and subject; try to enhance the attached file

Jenkinsfile

@@ -75,6 +75,7 @@ pipeline {
             steps {
                 script {
                     printReport(report)
+                    saveReport(report)
                 }
             }
         }
@@ -96,14 +97,14 @@ pipeline {
                     body: "Build time: ${currentBuild.durationString}. See ${env.BUILD_URL}"
             emailext attachmentsPattern: "**/walker_notes.${PIPELINE_BUILD_NUMBER}.md",
                     to: 'jenkinsreleases@d4science.org',
-                    subject: "Walker Dependencies for gCube component ${inputProject} (build #${PIPELINE_BUILD_NUMBER})",
-                    body: "Release notes extracted from the CHANGELOG.md(s) of the released components. See ${env.BUILD_URL}"
+                    subject: "Dependency Report for gCube component ${inputProject} (build #${PIPELINE_BUILD_NUMBER})",
+                    body: "Downstream dependencies of ${inputProject}. See ${env.BUILD_URL}"
         }
         failure {
             echo 'The dependencies walker pipeline has failed'
             emailext attachLog: true,
                     to: 'jenkinsbuilds@d4science.org',
-                    subject: "[JenkinsDependenciesWalker D4S] build ${currentBuild.fullDisplayName} failed",
+                    subject: "[JenkinsDependenciesWalker D4S] build ${currentBuild.fullDisplayName} failed for component  ${inputProject}",
                     body: "Something is wrong with ${env.BUILD_URL}"
         }
     }
@@ -182,16 +183,59 @@ def printReport(report) {
         text += "\n"
     }
     println text
-    appendNotes(text)
     
 }
 
-def appendNotes(report) {
-     sh("""
-        echo "${report}" >> $WALKER_NOTES
-     """)
+// print the final report
+def saveReport(report) {
+    def text = ''
+    def indent = '\t'
+    sh("""
+	    echo "Dependency Report for ${report['project']}" > $WALKER_NOTES
+	    echo  "\n\n" >>   $WALKER_NOTES
+	    echo "|--Project Maven Modules " >> $WALKER_NOTES
+	""")    
+	report['downstream_modules'].each { depth, artifacts ->
+	    artifacts.each { name, data ->
+	        sh("""
+	            echo "${indent}|--Module: ${name}\n" >>   $WALKER_NOTES
+	            echo "${indent * 2}|--Deepest Dependency Level: ${depth}\n" >>   $WALKER_NOTES
+	            echo "${indent * 2}|--Used by (Maven Modules)\n" >>   $WALKER_NOTES
+	        """)    
+	        data['dependencies'].each { d ->
+	            sh("""
+	                echo "${indent * 3}|--${d}" >>   $WALKER_NOTES
+	                echo "\n"  >>   $WALKER_NOTES
+	            """)    
+	        }
+	        sh("""
+	            echo "${indent * 2}|--Referred by (Jenkins Projects)\n" >>   $WALKER_NOTES
+	        """)    
+	        data['projects'].each { p ->
+	            sh("""
+	                echo "${indent * 3}|--${p}" >>   $WALKER_NOTES
+	                echo  "\n" >>   $WALKER_NOTES
+	            """)    
+	        }
+	    }
+	}
+	sh("""
+	    echo "\n\n"  >>   $WALKER_NOTES
+	    echo "|--All Downstream Projects\n" >>   $WALKER_NOTES
+	""")    
+	report['downstream_projects'].unique().sort()
+	report['downstream_projects'].each { p ->
+	    sh("""
+	         echo "${indent}|--${p}" >> $WALKER_NOTES
+	         echo "\n" >> $WALKER_NOTES
+	     """)    
+	}
+ 
 }
 
+
+
+
 // debug job
 def printJob(job) {
     println("fullname ${job.fullName}")