add query review page

app/helpers/codes.js

@@ -876,16 +876,37 @@ const getRegions = () => {
   return regions.map( (g) => ({ name: g.name, id: g.id, olxid: g.olxid }) );
 };
 
+const getRegion = (regionId) => {
+   return regions.find(region => region.id === regionId);
+};
+
+const getRegionName = (regionId) => {
+   const region = getRegion(regionId);
+   return (region && region.name) ? region.name : null;
+};
+
 const getMunicipalitiesForRegion = (regionId) => {
-  for (geo of regions) {
-    if(geo.id === regionId) {
-      return geo.municipalities;
-    }
-  }
-  return null;
+  const region = getRegion(regionId);
+  return (region && region.municipalities) ? region.municipalities : null;
+};
+
+const getMunicipalityName = (regionId, municipalityId) => {
+   const region = getRegion(regionId);
+   if (!region){
+      return null;
+   }
+
+   const municipality = region.municipalities.find(municipality => municipality.id === municipalityId);
+   if (!municipality) {
+      return null;
+   }
+
+   return municipality.name;
 };
 
 module.exports = {
   getRegions,
-  getMunicipalitiesForRegion
+  getRegionName,
+  getMunicipalitiesForRegion,
+  getMunicipalityName,
 };