86 lines
2.1 KiB
TypeScript
86 lines
2.1 KiB
TypeScript
const DEFAULT_REMINDER_KEY = 'defaultReminder'
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const AMOUNTS_IN_SECONDS: { [key: string]: number } = {
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minutes: 60,
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hours: 60 * 60,
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days: 60 * 60 * 24,
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months: 60 * 60 * 24 * 30,
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}
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interface DefaultReminderSettings {
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enabled: boolean,
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amount: number,
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}
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interface SavedReminderSettings {
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enabled: boolean,
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amount?: number,
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type?: 'minutes' | 'hours' | 'days' | 'months',
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}
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function calculateDefaultReminderSeconds(type: string, amount: number): number {
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return amount * (AMOUNTS_IN_SECONDS[type] || 0)
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}
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export function saveDefaultReminder(enabled: boolean, type: string, amount: number) {
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const defaultReminderSeconds = calculateDefaultReminderSeconds(type, amount)
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localStorage.setItem(DEFAULT_REMINDER_KEY, JSON.stringify(<DefaultReminderSettings>{
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enabled,
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amount: defaultReminderSeconds,
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}))
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}
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export function getDefaultReminderAmount(): number | null {
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const settings = getDefaultReminderSettings()
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return settings?.enabled
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? settings.amount
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: null
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}
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export function getDefaultReminderSettings(): DefaultReminderSettings | null {
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const s: string | null = window.localStorage.getItem(DEFAULT_REMINDER_KEY)
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if (s === null) {
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return null
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}
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return JSON.parse(s)
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}
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export function parseSavedReminderAmount(amountSeconds: number): SavedReminderSettings {
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const amountMinutes = amountSeconds / 60
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const settings: SavedReminderSettings = {
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enabled: true, // We're assuming the caller to have checked this properly
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amount: amountMinutes,
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type: 'minutes',
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}
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if ((amountMinutes / 60 / 24) % 30 === 0) {
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settings.amount = amountMinutes / 60 / 24 / 30
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settings.type = 'months'
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} else if ((amountMinutes / 60) % 24 === 0) {
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settings.amount = amountMinutes / 60 / 24
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settings.type = 'days'
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} else if (amountMinutes % 60 === 0) {
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settings.amount = amountMinutes / 60
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settings.type = 'hours'
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}
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return settings
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}
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export function getSavedReminderSettings(): SavedReminderSettings | null {
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const s = getDefaultReminderSettings()
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if (s === null) {
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return null
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}
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if (!s.enabled) {
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return {
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enabled: false,
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}
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}
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return parseSavedReminderAmount(s.amount)
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}
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