Add button to add dummy data

db/index.js

@@ -0,0 +1,139 @@
+import Realm from 'realm'
+import { LocalDate } from 'js-joda'
+import {
+  cycleWithTempAndNoMucusShift,
+  cycleWithFhm,
+  longAndComplicatedCycle
+} from './fixtures'
+
+const TemperatureSchema = {
+  name: 'Temperature',
+  properties: {
+    value: 'double',
+    exclude: 'bool'
+  }
+}
+
+const BleedingSchema = {
+  name: 'Bleeding',
+  properties: {
+    value: 'int',
+    exclude: 'bool'
+  }
+}
+
+const MucusSchema = {
+  name: 'Mucus',
+  properties: {
+    feeling: 'int',
+    texture: 'int',
+    value: 'int',
+    exclude: 'bool'
+  }
+}
+
+const CycleDaySchema = {
+  name: 'CycleDay',
+  primaryKey: 'date',
+  properties: {
+    date: 'string',
+    temperature: {
+      type: 'Temperature',
+      optional: true
+    },
+    bleeding: {
+      type: 'Bleeding',
+      optional: true
+    },
+    mucus: {
+      type: 'Mucus',
+      optional: true
+    }
+  }
+}
+
+const realmConfig = {
+  schema: [
+    CycleDaySchema,
+    TemperatureSchema,
+    BleedingSchema,
+    MucusSchema
+  ],
+  // we only want this in dev mode
+  deleteRealmIfMigrationNeeded: true
+}
+
+const db = new Realm(realmConfig)
+
+const bleedingDaysSortedByDate = db.objects('CycleDay').filtered('bleeding != null').sorted('date', true)
+const temperatureDaysSortedByDate = db.objects('CycleDay').filtered('temperature != null').sorted('date', true)
+
+function saveSymptom(symptom, cycleDay, val) {
+  db.write(() => {
+    cycleDay[symptom] = val
+  })
+}
+
+const cycleDaysSortedByDate = db.objects('CycleDay').sorted('date', true)
+
+function getOrCreateCycleDay(localDate) {
+  let result = db.objectForPrimaryKey('CycleDay', localDate)
+  if (!result) {
+    db.write(() => {
+      result = db.create('CycleDay', {
+        date: localDate
+      })
+    })
+  }
+  return result
+}
+
+function getCycleDay(localDate) {
+  return db.objectForPrimaryKey('CycleDay', localDate)
+}
+
+function fillWithDummyData() {
+  const dummyCycles = [
+    cycleWithFhm,
+    longAndComplicatedCycle,
+    cycleWithTempAndNoMucusShift
+  ]
+
+  db.write(() => {
+    db.deleteAll()
+    dummyCycles.forEach(cycle => {
+      cycle.forEach(day => {
+        const existing = getCycleDay(day.date)
+        if (existing) {
+          Object.keys(day).forEach(key => {
+            if (key === 'date') return
+            existing[key] = day[key]
+          })
+        } else {
+          db.create('CycleDay', day)
+        }
+      })
+    })
+  })
+}
+
+function getPreviousTemperature(cycleDay) {
+  cycleDay.wrappedDate = LocalDate.parse(cycleDay.date)
+  const winner = temperatureDaysSortedByDate.find(day => {
+    const wrappedDate = LocalDate.parse(day.date)
+    return wrappedDate.isBefore(cycleDay.wrappedDate)
+  })
+  if (!winner) return null
+  return winner.temperature.value
+}
+
+export {
+  saveSymptom,
+  getOrCreateCycleDay,
+  bleedingDaysSortedByDate,
+  temperatureDaysSortedByDate,
+  cycleDaysSortedByDate,
+  fillWithDummyData,
+  getPreviousTemperature,
+  getCycleDay
+}