Replacing mucus default with secondarySymptom

lib/sympto/index.js

@@ -16,7 +16,10 @@ export default function getSymptoThermalStatus(cycleInfo) {
   // if there was no first higher measurement in the previous cycle,
   // no infertile pre-ovulatory phase may be assumed
   if (previousCycle) {
-    const statusForLast = getSymptoThermalStatus({ cycle: previousCycle })
+    const statusForLast = getSymptoThermalStatus({
+      cycle: previousCycle,
+      secondarySymptom: secondarySymptom
+    })
     if (statusForLast.temperatureShift) {
       const preOvuPhase = getPreOvulatoryPhase(
         cycle,

lib/sympto/pre-ovulatory.js

@@ -12,7 +12,7 @@ export default function(cycle, previousCycles) {
   const maybePreOvuDays = cycle.slice(0, preOvuPhaseLength).filter(d => {
     return d.date <= preOvuEndDate
   })
-  const preOvulatoryDays = getDaysUntilFertileMucus(maybePreOvuDays)
+  const preOvulatoryDays = getDaysUntilFertileSecondarySymptom(maybePreOvuDays)
   // if mucus occurs on the 1st cycle day, there is no pre-ovu phase
   if (!preOvulatoryDays.length) return null
 
@@ -34,13 +34,17 @@ export default function(cycle, previousCycles) {
   }
 }
 
-function getDaysUntilFertileMucus(days) {
-  const firstFertileMucusDayIndex = days.findIndex(day => {
+function getDaysUntilFertileSecondarySymptom(days, secondarySymptom) {
+  const firstFertileSecondarySymptomDayIndex = days.findIndex(day => {
+    if (secondarySymptom === 'mucus') {
       return day.mucus && day.mucus.value > 1
+    } else if (secondarySymptom === 'cervix') {
+      return day.cervix && !day.cervix.isClosedAndHard
+    }
   })
 
-  if (firstFertileMucusDayIndex > -1) {
-    return days.slice(0, firstFertileMucusDayIndex)
+  if (firstFertileSecondarySymptomDayIndex > -1) {
+    return days.slice(0, firstFertileSecondarySymptomDayIndex)
   }
   return days
 }