Turn symptom buttons into footer component

components/cycle-day/symptoms/action-button-footer.js

+import React, { Component } from 'react'
+import {
+  View,
+  Button,
+} from 'react-native'
+import { saveSymptom } from '../../../db'
+import styles from '../../../styles'
+
+export default class ActionButtonFooter extends Component {
+  render() {
+    const { symptom, cycleDay, saveAction, saveDisabled, navigate} = this.props
+    const navigateToOverView = () => navigate('CycleDay', cycleDay)
+    const buttons = [
+      {
+        title: 'Cancel',
+        action: () => navigateToOverView()
+      },
+      {
+        title: 'Delete',
+        action: () => {
+          saveSymptom(symptom, cycleDay)
+          navigateToOverView()
+        },
+        disabledCondition: !cycleDay[symptom]
+      }, {
+        title: 'Save',
+        action: () => {
+          saveAction()
+          navigateToOverView()
+        },
+        disabledCondition: saveDisabled
+      }
+    ]
+
+    return (
+      <View style={styles.actionButtonRow}>
+        {buttons.map(({ title, action, disabledCondition }, i) => {
+          const style = { flex: 1, marginHorizontal: 10 }
+          if (i === 0) style.marginLeft = 0
+          if (i === buttons.length - 1) style.marginRight = 0
+          return (
+            <View style={style} key={i}>
+              <Button
+                onPress={action}
+                disabled={disabledCondition}
+                title={title}>
+              </Button>
+            </View >
+          )
+        })}
+      </View>
+    )
+  }
+}
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