added timezone settings

CHANGELOG.md

@@ -1,5 +1,16 @@
 # Changelog
 
+## Version 0.1.5
+
+### Added
+
+- docker-compose.yaml
+- timezone settings
+
+### Fixed
+
+- completing habits now respect timezone settings
+
 ## Version 0.1.4
 
 ### Changed

app/actions/data.ts

@@ -124,6 +124,9 @@ export async function loadSettings(): Promise<Settings> {
     ui: {
       useNumberFormatting: true,
       useGrouping: true,
+    },
+    system: {
+      timezone: Intl.DateTimeFormat().resolvedOptions().timeZone
     }
   }
 

app/settings/page.tsx

@@ -4,6 +4,7 @@ import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card'
 import { Switch } from '@/components/ui/switch'
 import { Label } from '@/components/ui/label'
 import { useSettings } from '@/hooks/useSettings'
+import { DynamicTimeNoSSR } from '@/components/DynamicTimeNoSSR'
 
 export default function SettingsPage() {
   const { settings, updateSettings } = useSettings()
@@ -13,7 +14,6 @@ export default function SettingsPage() {
   return (
     <div className="container mx-auto px-4 py-8">
       <h1 className="text-3xl font-bold mb-6">Settings</h1>
-      
       <Card className="mb-6">
         <CardHeader>
           <CardTitle>UI Settings</CardTitle>
@@ -58,6 +58,42 @@ export default function SettingsPage() {
           </div>
         </CardContent>
       </Card>
+
+      <Card className="mb-6">
+        <CardHeader>
+          <CardTitle>System Settings</CardTitle>
+        </CardHeader>
+        <CardContent className="space-y-6">
+          <div className="flex items-center justify-between">
+            <div className="space-y-0.5">
+              <Label htmlFor="timezone">Timezone</Label>
+              <div className="text-sm text-muted-foreground">
+                Select your timezone for accurate date tracking
+              </div>
+            </div>
+            <div className="flex flex-col items-end gap-2">
+              <select
+                id="timezone"
+                value={settings.system.timezone}
+                onChange={(e) =>
+                  updateSettings({
+                    ...settings,
+                    system: { ...settings.system, timezone: e.target.value }
+                  })
+                }
+                className="w-[200px] rounded-md border border-input bg-background px-3 py-2"
+              >
+                {Intl.supportedValuesOf('timeZone').map((tz) => (
+                  <option key={tz} value={tz}>
+                    {tz}
+                  </option>
+                ))}
+              </select>
+              <DynamicTimeNoSSR timezone={settings.system.timezone} />
+            </div>
+          </div>
+        </CardContent>
+      </Card>
     </div>
   )
 }

components/CoinsManager.tsx

@@ -2,6 +2,7 @@
 
 import { useState } from 'react'
 import { useSettings } from '@/hooks/useSettings'
+import { getDateInTimezone } from '@/lib/utils'
 import { Button } from '@/components/ui/button'
 import { formatNumber } from '@/lib/utils/formatNumber'
 import { History } from 'lucide-react'
@@ -10,7 +11,6 @@ import { Input } from '@/components/ui/input'
 import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card'
 import { toast } from '@/hooks/use-toast'
 import { useCoins } from '@/hooks/useCoins'
-import { format } from 'date-fns'
 import Link from 'next/link'
 
 export default function CoinsManager() {
@@ -145,7 +145,8 @@ export default function CoinsManager() {
                 <div className="text-sm text-blue-800 dark:text-blue-100 mb-1">Today's Transactions</div>
                 <div className="text-2xl font-bold text-blue-900 dark:text-blue-50">
                   {transactions.filter(t =>
-                    new Date(t.timestamp).toDateString() === new Date().toDateString()
+                    getDateInTimezone(t.timestamp, settings.system.timezone).toDateString() ===
+                    getDateInTimezone(new Date(), settings.system.timezone).toDateString()
                   ).length} 📊
                 </div>
               </div>
@@ -212,7 +213,7 @@ export default function CoinsManager() {
                           </span>
                         </div>
                         <p className="text-sm text-gray-500">
-                          {format(new Date(transaction.timestamp), 'PPpp')}
+                          {getDateInTimezone(transaction.timestamp, settings.system.timezone).toLocaleString()}
                         </p>
                       </div>
                       <span

components/DailyOverview.tsx

@@ -1,6 +1,8 @@
 import { Circle, Coins, ArrowRight, CircleCheck, ChevronDown, ChevronUp } from 'lucide-react'
 import Link from 'next/link'
 import { useState } from 'react'
+import { useSettings } from '@/hooks/useSettings'
+import { getTodayInTimezone } from '@/lib/utils'
 import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card'
 import { Badge } from '@/components/ui/badge'
 import { Progress } from '@/components/ui/progress'
@@ -22,7 +24,8 @@ export default function DailyOverview({
   onComplete,
   onUndo
 }: UpcomingItemsProps) {
-  const today = new Date().toISOString().split('T')[0]
+  const { settings } = useSettings()
+  const today = getTodayInTimezone(settings.system.timezone)
   const todayCompletions = habits.filter(habit =>
     habit.completions.includes(today)
   )

components/DynamicTime.tsx

@@ -0,0 +1,26 @@
+'use client'
+
+import { useEffect, useState } from 'react'
+import moment from 'moment-timezone'
+
+interface DynamicTimeProps {
+  timezone: string
+}
+
+export function DynamicTime({ timezone }: DynamicTimeProps) {
+  const [time, setTime] = useState(moment())
+
+  useEffect(() => {
+    const timer = setInterval(() => {
+      setTime(moment())
+    }, 1000)
+
+    return () => clearInterval(timer)
+  }, [])
+
+  return (
+    <div className="text-sm text-muted-foreground">
+      {time.tz(timezone).format('dddd, MMMM D, YYYY h:mm:ss A')}
+    </div>
+  )
+}

components/DynamicTimeNoSSR.tsx

@@ -0,0 +1,8 @@
+import dynamic from 'next/dynamic'
+import { DynamicTime } from './DynamicTime'
+
+const DynamicTimeNoSSR = dynamic(() => Promise.resolve(DynamicTime), {
+  ssr: false
+})
+
+export { DynamicTimeNoSSR }

components/HabitItem.tsx

@@ -1,4 +1,6 @@
 import { Habit } from '@/lib/types'
+import { useSettings } from '@/hooks/useSettings'
+import { getTodayInTimezone } from '@/lib/utils'
 import { Card, CardContent, CardDescription, CardFooter, CardHeader, CardTitle } from '@/components/ui/card'
 import { Button } from '@/components/ui/button'
 import { Coins, Edit, Trash2, Check, Undo2 } from 'lucide-react'
@@ -13,7 +15,8 @@ interface HabitItemProps {
 }
 
 export default function HabitItem({ habit, onEdit, onDelete, onComplete, onUndo }: HabitItemProps) {
-  const today = new Date().toISOString().split('T')[0]
+  const { settings } = useSettings()
+  const today = getTodayInTimezone(settings.system.timezone)
   const isCompletedToday = habit.completions?.includes(today)
   const [isHighlighted, setIsHighlighted] = useState(false)
 

components/HabitOverview.tsx

@@ -1,6 +1,8 @@
 import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card'
 import { BarChart } from 'lucide-react'
 import { useEffect, useState } from 'react'
+import { useSettings } from '@/hooks/useSettings'
+import { getTodayInTimezone } from '@/lib/utils'
 import { loadHabitsData } from '@/app/actions/data'
 import { Habit } from '@/lib/types'
 
@@ -15,7 +17,8 @@ export default function HabitOverview() {
     fetchHabits()
   }, [])
 
-  const today = new Date().toISOString().split('T')[0]
+  const { settings } = useSettings()
+  const today = getTodayInTimezone(settings.system.timezone)
 
   const completedToday = habits.filter(habit =>
     habit.completions.includes(today)

components/HabitStreak.tsx

@@ -2,6 +2,8 @@
 
 import { Habit } from '@/lib/types'
 import { Card, CardContent, CardHeader, CardTitle } from "@/components/ui/card"
+import { useSettings } from '@/hooks/useSettings'
+import { getDateInTimezone } from '@/lib/utils'
 import { LineChart, Line, XAxis, YAxis, CartesianGrid, Tooltip, ResponsiveContainer } from 'recharts'
 
 interface HabitStreakProps {
@@ -11,7 +13,8 @@ interface HabitStreakProps {
 export default function HabitStreak({ habits }: HabitStreakProps) {
   // Get the last 30 days of data
   const dates = Array.from({ length: 30 }, (_, i) => {
-    const d = new Date()
+    const { settings } = useSettings()
+    const d = getDateInTimezone(new Date(), settings.system.timezone)
     d.setDate(d.getDate() - i)
     return d.toISOString().split('T')[0]
   }).reverse()

docker-compose.yaml

@@ -0,0 +1,7 @@
+services:
+  habittrove:
+    ports:
+      - "3000:3000"
+    volumes:
+      - "./data:/app/data" # Use a relative path instead of $(pwd)
+    image: dohsimpson/habittrove

hooks/useHabits.tsx

@@ -1,12 +1,15 @@
 import { useState, useEffect } from 'react'
+import { useSettings } from '@/hooks/useSettings'
 import { loadHabitsData, saveHabitsData, addCoins, removeCoins } from '@/app/actions/data'
 import { toast } from '@/hooks/use-toast'
 import { ToastAction } from '@/components/ui/toast'
 import { Undo2 } from 'lucide-react'
 import { Habit } from '@/lib/types'
+import { getTodayInTimezone } from '@/lib/utils'
 
 export function useHabits() {
   const [habits, setHabits] = useState<Habit[]>([])
+  const { settings } = useSettings()
 
   useEffect(() => {
     fetchHabits()
@@ -39,7 +42,7 @@ export function useHabits() {
   }
 
   const completeHabit = async (habit: Habit) => {
-    const today = new Date().toISOString().split('T')[0]
+    const today = getTodayInTimezone(settings.system.timezone)
     if (!habit.completions.includes(today)) {
       const updatedHabit = {
         ...habit,

lib/types.ts

@@ -58,6 +58,9 @@ export const getDefaultSettings = (): Settings => ({
   ui: {
     useNumberFormatting: true,
     useGrouping: true,
+  },
+  system: {
+    timezone: Intl.DateTimeFormat().resolvedOptions().timeZone
   }
 });
 
@@ -77,6 +80,11 @@ export interface UISettings {
   useGrouping: boolean;
 }
 
+export interface SystemSettings {
+  timezone: string;
+}
+
 export interface Settings {
   ui: UISettings;
+  system: SystemSettings;
 }

lib/utils.test.ts

@@ -0,0 +1,50 @@
+import { expect, test, describe, beforeAll, afterAll } from "bun:test";
+import { cn, getDateInTimezone, getTodayInTimezone } from './utils'
+
+describe('cn utility', () => {
+  test('should merge class names correctly', () => {
+    expect(cn('foo', 'bar')).toBe('foo bar')
+    expect(cn('foo', { bar: true })).toBe('foo bar')
+    expect(cn('foo', { bar: false })).toBe('foo')
+    expect(cn('foo', ['bar', 'baz'])).toBe('foo bar baz')
+  })
+})
+
+describe('timezone utilities', () => {
+  describe('getDateInTimezone', () => {
+    test('should convert date to specified timezone', () => {
+      const date = new Date('2024-01-01T00:00:00Z')
+      
+      // Test with specific timezones
+      const nyDate = getDateInTimezone(date, 'America/New_York')
+      expect(nyDate.toISOString()).toBe('2023-12-31T19:00:00.000Z') // NY is UTC-5
+
+      const tokyoDate = getDateInTimezone(date, 'Asia/Tokyo')
+      expect(tokyoDate.toISOString()).toBe('2024-01-01T09:00:00.000Z') // Tokyo is UTC+9
+    })
+
+    test('should handle string dates', () => {
+      const dateStr = '2024-01-01T00:00:00Z'
+      const nyDate = getDateInTimezone(dateStr, 'America/New_York')
+      expect(nyDate.toISOString()).toBe('2023-12-31T19:00:00.000Z')
+    })
+  })
+
+  describe('getTodayInTimezone', () => {
+    let originalDate: Date;
+
+    beforeAll(() => {
+      originalDate = new Date();
+      globalThis.Date.now = () => new Date('2024-01-01T00:00:00Z').getTime();
+    })
+
+    afterAll(() => {
+      globalThis.Date.now = () => originalDate.getTime();
+    })
+
+    test('should return today in YYYY-MM-DD format for timezone', () => {
+      expect(getTodayInTimezone('America/New_York')).toBe('2023-12-31')
+      expect(getTodayInTimezone('Asia/Tokyo')).toBe('2024-01-01')
+    })
+  })
+})

lib/utils.ts

@@ -1,6 +1,16 @@
 import { clsx, type ClassValue } from "clsx"
 import { twMerge } from "tailwind-merge"
+import moment from "moment-timezone"
 
 export function cn(...inputs: ClassValue[]) {
   return twMerge(clsx(inputs))
 }
+
+export function getDateInTimezone(date: Date | string, timezone: string): Date {
+  const m = moment.tz(date, timezone);
+  return new Date(m.format('YYYY-MM-DDTHH:mm:ss.SSS[Z]'));
+}
+
+export function getTodayInTimezone(timezone: string): string {
+  return moment.tz(timezone).format('YYYY-MM-DD');
+}

package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "habittrove",
-  "version": "0.1.3",
+  "version": "0.1.4",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "habittrove",
-      "version": "0.1.3",
+      "version": "0.1.4",
       "dependencies": {
         "@next/font": "^14.2.15",
         "@radix-ui/react-dialog": "^1.1.4",
@@ -16,6 +16,7 @@
         "@radix-ui/react-slot": "^1.1.1",
         "@radix-ui/react-switch": "^1.1.2",
         "@radix-ui/react-toast": "^1.2.4",
+        "@types/bun": "^1.1.14",
         "@types/canvas-confetti": "^1.9.0",
         "@uiw/react-heat-map": "^2.3.2",
         "canvas-confetti": "^1.9.3",
@@ -24,6 +25,8 @@
         "date-fns": "^3.6.0",
         "js-confetti": "^0.12.0",
         "lucide-react": "^0.469.0",
+        "moment": "^2.30.1",
+        "moment-timezone": "^0.5.46",
         "next": "15.1.3",
         "react": "^19.0.0",
         "react-confetti": "^6.2.2",
@@ -1566,6 +1569,14 @@
         "node": ">=4"
       }
     },
+    "node_modules/@types/bun": {
+      "version": "1.1.14",
+      "resolved": "https://registry.npmjs.org/@types/bun/-/bun-1.1.14.tgz",
+      "integrity": "sha512-opVYiFGtO2af0dnWBdZWlioLBoxSdDO5qokaazLhq8XQtGZbY4pY3/JxY8Zdf/hEwGubbp7ErZXoN1+h2yesxA==",
+      "dependencies": {
+        "bun-types": "1.1.37"
+      }
+    },
     "node_modules/@types/canvas-confetti": {
       "version": "1.9.0",
       "resolved": "https://registry.npmjs.org/@types/canvas-confetti/-/canvas-confetti-1.9.0.tgz",
@@ -1705,7 +1716,6 @@
       "version": "20.17.10",
       "resolved": "https://registry.npmjs.org/@types/node/-/node-20.17.10.tgz",
       "integrity": "sha512-/jrvh5h6NXhEauFFexRin69nA0uHJ5gwk4iDivp/DeoEua3uwCUto6PC86IpRITBOs4+6i2I56K5x5b6WYGXHA==",
-      "dev": true,
       "dependencies": {
         "undici-types": "~6.19.2"
       }
@@ -1732,6 +1742,14 @@
       "resolved": "https://registry.npmjs.org/@types/unist/-/unist-3.0.3.tgz",
       "integrity": "sha512-ko/gIFJRv177XgZsZcBwnqJN5x/Gien8qNOn0D5bQU/zAzVf9Zt3BlcUiLqhV9y4ARk0GbT3tnUiPNgnTXzc/Q=="
     },
+    "node_modules/@types/ws": {
+      "version": "8.5.13",
+      "resolved": "https://registry.npmjs.org/@types/ws/-/ws-8.5.13.tgz",
+      "integrity": "sha512-osM/gWBTPKgHV8XkTunnegTRIsvF6owmf5w+JtAfOw472dptdm0dlGv4xCt6GwQRcC2XVOvvRE/0bAoQcL2QkA==",
+      "dependencies": {
+        "@types/node": "*"
+      }
+    },
     "node_modules/@typescript-eslint/eslint-plugin": {
       "version": "8.18.2",
       "resolved": "https://registry.npmjs.org/@typescript-eslint/eslint-plugin/-/eslint-plugin-8.18.2.tgz",
@@ -2593,6 +2611,28 @@
       "dev": true,
       "peer": true
     },
+    "node_modules/bun-types": {
+      "version": "1.1.37",
+      "resolved": "https://registry.npmjs.org/bun-types/-/bun-types-1.1.37.tgz",
+      "integrity": "sha512-C65lv6eBr3LPJWFZ2gswyrGZ82ljnH8flVE03xeXxKhi2ZGtFiO4isRKTKnitbSqtRAcaqYSR6djt1whI66AbA==",
+      "dependencies": {
+        "@types/node": "~20.12.8",
+        "@types/ws": "~8.5.10"
+      }
+    },
+    "node_modules/bun-types/node_modules/@types/node": {
+      "version": "20.12.14",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.12.14.tgz",
+      "integrity": "sha512-scnD59RpYD91xngrQQLGkE+6UrHUPzeKZWhhjBSa3HSkwjbQc38+q3RoIVEwxQGRw3M+j5hpNAM+lgV3cVormg==",
+      "dependencies": {
+        "undici-types": "~5.26.4"
+      }
+    },
+    "node_modules/bun-types/node_modules/undici-types": {
+      "version": "5.26.5",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-5.26.5.tgz",
+      "integrity": "sha512-JlCMO+ehdEIKqlFxk6IfVoAUVmgz7cU7zD/h9XZ0qzeosSHmUJVOzSQvvYSYWXkFXC+IfLKSIffhv0sVZup6pA=="
+    },
     "node_modules/busboy": {
       "version": "1.6.0",
       "resolved": "https://registry.npmjs.org/busboy/-/busboy-1.6.0.tgz",
@@ -5913,6 +5953,25 @@
         "node": ">=16 || 14 >=14.17"
       }
     },
+    "node_modules/moment": {
+      "version": "2.30.1",
+      "resolved": "https://registry.npmjs.org/moment/-/moment-2.30.1.tgz",
+      "integrity": "sha512-uEmtNhbDOrWPFS+hdjFCBfy9f2YoyzRpwcl+DqpC6taX21FzsTLQVbMV/W7PzNSX6x/bhC1zA3c2UQ5NzH6how==",
+      "engines": {
+        "node": "*"
+      }
+    },
+    "node_modules/moment-timezone": {
+      "version": "0.5.46",
+      "resolved": "https://registry.npmjs.org/moment-timezone/-/moment-timezone-0.5.46.tgz",
+      "integrity": "sha512-ZXm9b36esbe7OmdABqIWJuBBiLLwAjrN7CE+7sYdCCx82Nabt1wHDj8TVseS59QIlfFPbOoiBPm6ca9BioG4hw==",
+      "dependencies": {
+        "moment": "^2.29.4"
+      },
+      "engines": {
+        "node": "*"
+      }
+    },
     "node_modules/ms": {
       "version": "2.1.3",
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
@@ -7997,8 +8056,7 @@
     "node_modules/undici-types": {
       "version": "6.19.8",
       "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-6.19.8.tgz",
-      "integrity": "sha512-ve2KP6f/JnbPBFyobGHuerC9g1FYGn/F8n1LWTwNxCEzd6IfqTwUQcNXgEtmmQ6DlRrC1hrSrBnCZPokRrDHjw==",
+      "integrity": "sha512-ve2KP6f/JnbPBFyobGHuerC9g1FYGn/F8n1LWTwNxCEzd6IfqTwUQcNXgEtmmQ6DlRrC1hrSrBnCZPokRrDHjw=="
-      "dev": true
     },
     "node_modules/unified": {
       "version": "11.0.5",

package.json

@@ -19,6 +19,7 @@
     "@radix-ui/react-slot": "^1.1.1",
     "@radix-ui/react-switch": "^1.1.2",
     "@radix-ui/react-toast": "^1.2.4",
+    "@types/bun": "^1.1.14",
     "@types/canvas-confetti": "^1.9.0",
     "@uiw/react-heat-map": "^2.3.2",
     "canvas-confetti": "^1.9.3",
@@ -27,6 +28,8 @@
     "date-fns": "^3.6.0",
     "js-confetti": "^0.12.0",
     "lucide-react": "^0.469.0",
+    "moment": "^2.30.1",
+    "moment-timezone": "^0.5.46",
     "next": "15.1.3",
     "react": "^19.0.0",
     "react-confetti": "^6.2.2",