merge multiple hierarchies into arrays and use first ones

controller/placeholder.js

@@ -57,10 +57,7 @@ function synthesizeDocs(result) {
     return esDoc.data;
 
   } else {
-    return result.lineage.map((hierarchy) => {
+    result.lineage.map((hierarchy) => {
-      // clear out the effects of the last hierarchy array (this effectively clones the base Document)
-      doc.clearAlpha3().clearAllParents();
-
       Object.keys(hierarchy)
         .filter(doc.isSupportedParent)
         .filter((placetype) => { return !_.isEmpty(_.trim(hierarchy[placetype].name)); } )
@@ -76,6 +73,7 @@ function synthesizeDocs(result) {
             hierarchy[placetype].abbr);
 
       });
+    });
 
     const esDoc = doc.toESDocument();
     esDoc.data._id = esDoc._id;
@@ -83,8 +81,6 @@ function synthesizeDocs(result) {
 
     return esDoc.data;
 
-    });
-
   }
 }
 
@@ -129,6 +125,12 @@ function setup(placeholderService, should_execute) {
           results.filter(layersFilter).map(synthesizeDocs))
         .filter(countryFilter);
 
+        const messageParts = [
+          '[controller:placeholder]',
+          `[result_count:${_.get(res, 'data', []).length}]`
+        ];
+
+        logger.info(messageParts.join(' '));
       }
 
       return next();

middleware/normalizeParentIds.js

@@ -41,7 +41,7 @@ function normalizeParentIds(place) {
           source = place.source;
         }
         
-        place[placeType + '_gid'] = [ makeNewId(source, placeType, place[placeType + '_gid']) ];
+        place[placeType + '_gid'] = [ makeNewId(source, placeType, place[placeType + '_gid'][0]) ];
       }
     });
   }