Merge branch '98-function-to-get-predicted-bleeding-dates' into 'master'

Resolve "write function to get predicted bleeding dates (and use it in calendar)"

Closes #97 and #98

See merge request bloodyhealth/drip!60

components/labels.js

@@ -75,4 +75,13 @@ export const stats = {
   minLabel: 'Shortest cycle',
   maxLabel: 'Longest cycle',
   stdLabel: 'Standard deviation'
+}
+
+export const bleedingPrediction = {
+  noPrediction: 'There is not enough period data to predict the next one.',
+  predictionInFuture: (startDays, endDays) => `Your next period is likely to start in ${startDays} to ${endDays} days.`,
+  predictionStartedXDaysLeft: (numberOfDays) => `Your period is likely to start today or during the next ${numberOfDays} days.`,
+  predictionStarted1DayLeft: 'Your period is likely to start today or tomorrow.',
+  predictionStartedNoDaysLeft: 'Your period is likely to start today.',
+  predictionInPast: (startDate, endDate) => `Based on your documented data, your period was likely to start between ${startDate} and ${endDate}.`
 }