Julia Friesel
39 lines
1.4 KiB
JavaScript
39 lines
1.4 KiB
JavaScript
export default function (cycleDays, tempEvalEndIndex) {
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const mucusDays = cycleDays.filter(day => day.mucus && !day.mucus.exclude)
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const bestQuality = Math.max(...mucusDays.map(day => day.mucus.value))
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for (let i = 0; i < mucusDays.length; i++) {
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const day = mucusDays[i]
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if (day.mucus.value !== bestQuality) continue
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// sensiplan says the three following days must be of lower quality
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// AND no best quality day may occur until temperature evaluation has
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// been completed
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const threeFollowingDays = mucusDays.slice(i + 1, i + 4)
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if (threeFollowingDays.length < 3) continue
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const bestQualityOccurringIn3FollowingDays = threeFollowingDays.some(day => day.mucus.value >= bestQuality)
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if (bestQualityOccurringIn3FollowingDays) continue
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// FIXME mucus peak can be same day as first higher measurement
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const cycleDayIndex = cycleDays.indexOf(day)
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const relevantDays = cycleDays
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.slice(cycleDayIndex + 1, tempEvalEndIndex + 1)
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.filter(day => day.mucus && !day.mucus.exclude)
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const evaluationCompleteDay = relevantDays.length > 3 ?
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relevantDays[relevantDays.length - 1] : threeFollowingDays[threeFollowingDays.length - 1]
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if (relevantDays.every(day => day.mucus.value < bestQuality)) {
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return {
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detected: true,
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mucusPeak: day,
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evaluationCompleteDay
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}
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}
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}
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return { detected: false }
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}
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