feat: make groups price calculator not rely on CHF prices

public/typo3conf/ext/ep_theme/Resources/Private/Assets/js/components/GroupsPriceCalculator.vue

@@ -358,7 +358,7 @@ export default {
         formatCurrency({ EUR, CHF }) {
             let price = parseFloat(EUR).toFixed(2).replace(/\./, ',') + ' €'
 
-            if ('CH' === this.countryCode && null !== CHF) {
+            if ('CH' === this.countryCode && 0 < CHF) {
                 price += `/${parseFloat(CHF).toFixed(2).replace(/\./, ',')} CHF`
             }
 
@@ -598,9 +598,16 @@ export default {
             return price
         },
         priceRunningCosts() {
+            let CHF = 0
+
+            // calculate CHF price when pax price in CHF is available since CHF prices may not be provided via CMS yet
+            if (0 < this.pricePax.base.CHF) {
+                CHF = this.nightsCount * this.totalPax * this.runningCostsFactorChf
+            }
+
             return {
                 EUR: this.nightsCount * this.totalPax * this.runningCostsFactorEur,
-                CHF: this.nightsCount * this.totalPax * this.runningCostsFactorChf
+                CHF
             }
         },
         priceTotal() {
@@ -612,13 +619,19 @@ export default {
                 + this.priceShortTerm.EUR
                 + this.priceRunningCosts.EUR
 
-            let totalCHF = this.pricePax.base.CHF
+            let totalCHF = 0
-                + this.pricePax.additional.CHF
+
-                + this.pricePax.undersubscription.CHF
+            // calculate CHF price when pax price in CHF is available since CHF prices may not be provided via CMS yet
-                + this.priceOptions.CHF
+            if (0 < this.pricePax.base.CHF) {
-                + this.priceBoard.CHF
+                totalCHF = this.pricePax.base.CHF
-                + this.priceShortTerm.CHF
+                    + this.pricePax.additional.CHF
-                + this.priceRunningCosts.CHF
+                    + this.pricePax.undersubscription.CHF
+                    + this.priceOptions.CHF
+                    + this.priceBoard.CHF
+                    + this.priceShortTerm.CHF
+                    + this.priceRunningCosts.CHF
+            }
+
 
             return {
                 EUR: totalEUR,