Change sympto module structure

lib/sympto-adapter.js

@@ -0,0 +1,29 @@
+import { detectTemperatureShift } from './sympto/temperature'
+import cycleModule from './cycle'
+
+const getLastMensesStart = cycleModule().getLastMensesStart
+const getPreviousTemperaturesInCycle = cycleModule().getPreviousTemperaturesInCycle
+
+function getTemperatureFertilityStatus(targetDateString) {
+  const lastMensesStart = getLastMensesStart(targetDateString)
+  if (!lastMensesStart) return formatStatusForApp({ detected: false })
+  const previousTemperaturesInCycle = getPreviousTemperaturesInCycle(targetDateString, lastMensesStart)
+  // we get temps with latest first, but sympto module expects latest last
+  previousTemperaturesInCycle.reverse()
+  const status = detectTemperatureShift(previousTemperaturesInCycle)
+  return formatStatusForApp(status)
+}
+
+function formatStatusForApp(status) {
+  if (!status.detected) return 'fertile'
+  const dict = [
+    "regular temperature",
+    "first exception",
+    "second exception"
+  ]
+  return `infertile according to the ${dict[status.rule]} rule`
+}
+
+export {
+  getTemperatureFertilityStatus
+}