If element has null score, result is not delivered

backend/util/scoreAndSearch.js

@@ -90,6 +90,7 @@ module.exports = function (dbConn) {
                 reg.scores.push(finalScoreObj)
             });
 
+            reg.price_tendency_relative = getAverageFromTrivago(travelPeriods, reg)
 
             // CALCULATE AVERAGE SCORE
             reg.score = calculateAverage(reg.scores)
@@ -251,6 +252,37 @@ module.exports = function (dbConn) {
         return finScore
     }
 
+    function getAverageFromTrivago(travelPeriods, region) {
+        console.log('getAverageFromTrivago for', region.name)
 
-    //end
+        const singleScores = travelPeriods.map(period => {
+            let res = {
+                //region_id: x.region_id,
+                value: region.avg_price_relative[period.month - 1],
+                days: period.days
+            }
+
+            return res
+        })
+
+        let averagedScore = {
+            value: 0,
+            days: 0
+        }
+        singleScores.forEach(el => {
+            if (el.value !== null) {
+                averagedScore.value += (el.value * el.days)
+                averagedScore.days += (el.days)
+            } else {
+                console.log('skip averaging')
+                console.log(el)
+
+            }
+        })
+        averagedScore.value = _.round(averagedScore.value / averagedScore.days, 1)
+
+        return averagedScore.value
+    }
+
+//end
 }