Avoid generating duplicate jobs. Fix #227 (#232)

Author: iberryful

src/api/handlers/projects/jobs.py

@@ -232,7 +232,7 @@ def get(self, project_id, job_id):
             abort(400, 'This job has been already restarted')
 
         jobs = g.db.execute_many_dict('''
-            SELECT state, id, dependencies
+            SELECT state, id, dependencies, restarted
             FROM job
             WHERE build_id = %s
             AND project_id = %s
@@ -249,6 +249,10 @@ def get(self, project_id, job_id):
                 if not j['dependencies']:
                     continue
 
+                #Avoid generating duplicate jobs. Fix #227(https://github.com/SAP/InfraBox/issues/227)
+                if j['restarted']:
+                    continue
+
                 for dep in j['dependencies']:
                     dep_id = dep['job-id']