From 3b500f54a02a57f848d494798c5b1841e931e582 Mon Sep 17 00:00:00 2001
From: Manuele Simi <manuele.simi@isti.cnr.it>
Date: Tue, 10 Mar 2020 16:16:09 -0400
Subject: [PATCH] Given a project name, find all the maven modules that depend
 on the project's modules.

---
 Jenkinsfile | 39 ++++++++++++++++++++++++++++++++++++---
 1 file changed, 36 insertions(+), 3 deletions(-)

diff --git a/Jenkinsfile b/Jenkinsfile
index 596b8d9..6f20c3c 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -1,7 +1,8 @@
 
 def counts = 0
-def projects2artifacts=[:]
-def modules2deps=[:]
+def projects2artifacts = [:]
+def modules2deps = [:]
+def inputProject = 'storagehub-client-library'
 
 pipeline {
     agent {
@@ -29,12 +30,44 @@ pipeline {
                             m.getDependencies().each { d -> modules2deps[m.name] << "${d.groupId}:${d.artifactId}" }
                     }
                     println "FOUND ${modules2deps.size()} modules"
-                    modules2deps.each { k,v -> println ("MODULE ${k} DEPENDS on ${v}") }
+                    //modules2deps.each { k,v -> println ("MODULE ${k} DEPENDS on ${v}") }
+                }
+            }
+        }
+
+    stage('find downstream projects') {
+            steps {
+                script {
+                  println "PROJECT ${inputProject} BUILDS ${projects2artifacts[inputProject]} artifacts"
+                  // first, let's find out what components depends on the project's artifacts
+                  def downstreamdeps = [:]
+                  projects2artifacts[inputProject].each { a ->
+                      downstreamdeps[a] = []
+                      downstreamdeps[a] << findDownstreamDependencies(modules2deps, a)
+                      println "${a} is used by ${downstreamdeps[a]}"
+
+                  }
+                  // then we look for the projects that build the downstream dependencies
+                  //downstreamdeps.each { k, v ->
+                  //     println "${k} is build by ${findProject()}"
+                  //}
                 }
             }
         }
     }
 }
+def findDownstreamDependencies(modules2deps, artifact) {
+    def downdeps = []
+    println "Looking for users of ${artifact}"
+    modules2deps.each { k,v -> if (v.contains("${artifact}")) downdeps << k }
+    downdeps
+}
+
+def findProject(projects2artifacts, artifact) {
+    println "Looking for project that builds ${artifact}"
+    projects2artifacts.find { k,v -> v.contains("${artifact}")}.first.key
+}
+
 
 /*
 def printJob(job) {