Parse partOf relationships in API response

This adds new functionality to the CCE API that enables the parent/child relationship between CCE entries

api/db.py

@@ -26,3 +26,6 @@ class QueryManager():
     
     def orphanRenewalQuery(self, uuid):
         return self.session.query(Renewal).filter(Renewal.uuid == uuid).one()
+    
+    def getParentCCE(self, parentID):
+        return self.session.query(CCE).get(parentID)

api/prints/search.py

@@ -28,6 +28,8 @@ def fullTextQuery():
     for entry in matchingDocs:
         if entry.meta.index == 'cce':
             dbEntry = qManager.registrationQuery(entry.uuid)
+            if dbEntry.parent_cce_id:
+                dbEntry = qManager.getParentCCE(dbEntry.parent_cce_id)
             textResponse.addResult(MultiResponse.parseEntry(
                 dbEntry, 
                 xml=sourceReturn
@@ -66,6 +68,8 @@ def regQuery(regnum):
     qManager = QueryManager(db.session)
     for entry in matchingDocs:
         dbEntry = qManager.registrationQuery(entry.uuid)
+        if dbEntry.parent_cce_id:
+            dbEntry = qManager.getParentCCE(dbEntry.parent_cce_id)
         regResponse.addResult(MultiResponse.parseEntry(
             dbEntry,
             xml=sourceReturn

api/response.py

@@ -39,7 +39,11 @@ class Response():
                 'part': dbEntry.volume.part,
                 'page': dbEntry.page,
                 'page_position': dbEntry.page_position
-            }
+            },
+            'has_parts': [
+                Response.parseEntry(part)
+                for part in dbEntry.children_cces
+            ]
         }
         response['renewals'] = [
             cls.parseRenewal(ren, source=xml)