fix completion badge

CHANGELOG.md

@@ -1,5 +1,22 @@
 # Changelog
 
+## Version 0.2.2
+
+### Changed
+
+* persist "show all" settings in browser (#72)
+
+### Fixed
+
+* nav bar spacing
+* completion count badge
+
+## Version 0.2.1
+
+### Changed
+
+* Added bottom padding for nav bar on iOS devices (#63)
+
 ## Version 0.2.0
 
 ### Added

app/calendar/page.tsx

@@ -1,6 +1,7 @@
 import Layout from '@/components/Layout'
 import HabitCalendar from '@/components/HabitCalendar'
 import { ViewToggle } from '@/components/ViewToggle'
+import CompletionCountBadge from '@/components/CompletionCountBadge'
 
 export default function CalendarPage() {
   return (

app/debug/habits/page.tsx

@@ -0,0 +1,70 @@
+'use client'
+
+import { useHabits } from "@/hooks/useHabits";
+import { habitsAtom, settingsAtom } from "@/lib/atoms";
+import { Habit } from "@/lib/types";
+import { useAtom } from "jotai";
+import { DateTime } from "luxon";
+
+
+
+type CompletionCache = {
+  [dateKey: string]: {  // dateKey format: "YYYY-MM-DD"
+    [habitId: string]: number  // number of completions on that date
+  }
+}
+
+
+export default function DebugPage() {
+  const [habits] = useAtom(habitsAtom);
+  const [settings]  = useAtom(settingsAtom);
+
+  function buildCompletionCache(habits: Habit[], timezone: string): CompletionCache {
+    const cache: CompletionCache = {};
+
+    habits.forEach(habit => {
+      habit.completions.forEach(utcTimestamp => {
+        // Convert UTC timestamp to local date string in specified timezone
+        const localDate = DateTime
+          .fromISO(utcTimestamp)
+          .setZone(timezone)
+          .toFormat('yyyy-MM-dd');
+
+        if (!cache[localDate]) {
+          cache[localDate] = {};
+        }
+
+        // Increment completion count for this habit on this date
+        cache[localDate][habit.id] = (cache[localDate][habit.id] || 0) + 1;
+      });
+    });
+
+    return cache;
+  }
+
+  function getCompletedHabitsForDate(
+    habits: Habit[],
+    date: DateTime,
+    timezone: string,
+    completionCache: CompletionCache
+  ): Habit[] {
+    const dateKey = date.setZone(timezone).toFormat('yyyy-MM-dd');
+    const dateCompletions = completionCache[dateKey] || {};
+
+    return habits.filter(habit => {
+      const completionsNeeded = habit.targetCompletions || 1;
+      const completionsAchieved = dateCompletions[habit.id] || 0;
+      return completionsAchieved >= completionsNeeded;
+    });
+  }
+
+  const habitCache = buildCompletionCache(habits.habits, settings.system.timezone);
+
+  return (
+    <div className="p-4">
+      <h1 className="text-xl font-bold mb-4">Debug Page</h1>
+      <div className="bg-gray-100 p-4 rounded break-all">
+      </div>
+    </div>
+  );
+}

components/CompletionCountBadge.tsx

@@ -1,40 +1,35 @@
-import { Badge } from '@/components/ui/badge'
-import { Habit } from '@/lib/types'
-import { isHabitDue, getCompletionsForDate } from '@/lib/utils'
+import { Badge } from "@/components/ui/badge"
+import { useAtom } from 'jotai'
+import { completedHabitsMapAtom, habitsAtom, habitsByDateFamily } from '@/lib/atoms'
+import { getTodayInTimezone } from '@/lib/utils'
+import { useHabits } from '@/hooks/useHabits'
+import { settingsAtom } from '@/lib/atoms'
 
 interface CompletionCountBadgeProps {
-  habits: Habit[]
-  selectedDate: luxon.DateTime
-  timezone: string
-  type: 'tasks' | 'habits'
+  type: 'habits' | 'tasks'
+  date?: string
 }
 
-export function CompletionCountBadge({ habits, selectedDate, timezone, type }: CompletionCountBadgeProps) {
-  const filteredHabits = habits.filter(habit => {
-    const isTask = type === 'tasks'
-    if ((habit.isTask === isTask) && isHabitDue({
-      habit,
-      timezone,
-      date: selectedDate
-    })) {
-      const completions = getCompletionsForDate({ habit, date: selectedDate, timezone })
-      return completions >= (habit.targetCompletions || 1)
-    }
-    return false
-  }).length
+export default function CompletionCountBadge({
+  type,
+  date
+}: CompletionCountBadgeProps) {
+  const [settings] = useAtom(settingsAtom)
+  const [completedHabitsMap] = useAtom(completedHabitsMapAtom)
+  const targetDate = date || getTodayInTimezone(settings.system.timezone)
+  const [dueHabits] = useAtom(habitsByDateFamily(targetDate))
 
-  const totalHabits = habits.filter(habit => 
-    (habit.isTask === (type === 'tasks')) && 
-    isHabitDue({
-      habit,
-      timezone,
-      date: selectedDate
-    })
+  const completedCount = completedHabitsMap.get(targetDate)?.filter(h => 
+    type === 'tasks' ? h.isTask : !h.isTask
+  ).length || 0
+
+  const totalCount = dueHabits.filter(h => 
+    type === 'tasks' ? h.isTask : !h.isTask
   ).length
 
   return (
     <Badge variant="secondary">
-      {`${filteredHabits}/${totalHabits} Completed`}
+      {`${completedCount}/${totalCount} Completed`}
     </Badge>
   )
 }

components/DailyOverview.tsx

@@ -1,4 +1,5 @@
 import { Circle, Coins, ArrowRight, CircleCheck, ChevronDown, ChevronUp, Timer, Plus } from 'lucide-react'
+import CompletionCountBadge from './CompletionCountBadge'
 import {
   ContextMenu,
   ContextMenuContent,
@@ -9,7 +10,7 @@ import { cn, isHabitDueToday, getHabitFreq } from '@/lib/utils'
 import Link from 'next/link'
 import { useState, useEffect } from 'react'
 import { useAtom } from 'jotai'
-import { pomodoroAtom, settingsAtom, completedHabitsMapAtom, browserSettingsAtom, BrowserSettings, hasTasksAtom } from '@/lib/atoms'
+import { pomodoroAtom, settingsAtom, completedHabitsMapAtom, browserSettingsAtom, BrowserSettings, hasTasksAtom, dailyHabitsAtom } from '@/lib/atoms'
 import { getTodayInTimezone, isSameDate, t2d, d2t, getNow } from '@/lib/utils'
 import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card'
 import { Badge } from '@/components/ui/badge'
@@ -34,29 +35,15 @@ export default function DailyOverview({
 }: UpcomingItemsProps) {
   const { completeHabit, undoComplete } = useHabits()
   const [settings] = useAtom(settingsAtom)
-  const [dailyHabits, setDailyHabits] = useState<Habit[]>([])
-  const [dailyTasks, setDailyTasks] = useState<Habit[]>([])
   const [completedHabitsMap] = useAtom(completedHabitsMapAtom)
+  const [dailyItems] = useAtom(dailyHabitsAtom)
+  const dailyTasks = dailyItems.filter(habit => habit.isTask)
+  const dailyHabits = dailyItems.filter(habit => !habit.isTask)
   const today = getTodayInTimezone(settings.system.timezone)
   const todayCompletions = completedHabitsMap.get(today) || []
   const { saveHabit } = useHabits()
   const [browserSettings, setBrowserSettings] = useAtom(browserSettingsAtom)
 
-  useEffect(() => {
-    // Filter habits and tasks that are due today and not archived
-    const filteredHabits = habits.filter(habit =>
-      !habit.isTask && 
-      !habit.archived && 
-      isHabitDueToday({ habit, timezone: settings.system.timezone })
-    )
-    const filteredTasks = habits.filter(habit =>
-      habit.isTask && 
-      isHabitDueToday({ habit, timezone: settings.system.timezone })
-    )
-    setDailyHabits(filteredHabits)
-    setDailyTasks(filteredTasks)
-  }, [habits])
-
   // Get all wishlist items sorted by redeemable status (non-redeemable first) then by coin cost
   // Filter out archived wishlist items
   const sortedWishlistItems = wishlistItems
@@ -74,9 +61,6 @@ export default function DailyOverview({
       return a.coinCost - b.coinCost
     })
 
-  const [expandedHabits, setExpandedHabits] = useState(false)
-  const [expandedTasks, setExpandedTasks] = useState(false)
-  const [expandedWishlist, setExpandedWishlist] = useState(false)
   const [hasTasks] = useAtom(hasTasksAtom)
   const [_, setPomo] = useAtom(pomodoroAtom)
   const [modalConfig, setModalConfig] = useState<{
@@ -126,13 +110,7 @@ export default function DailyOverview({
                     <h3 className="font-semibold">Daily Tasks</h3>
                   </div>
                 <div className="flex items-center gap-2">
-                  <Badge variant="secondary">
-                    {`${dailyTasks.filter(task => {
-                      const completions = (completedHabitsMap.get(today) || [])
-                        .filter(h => h.id === task.id).length;
-                      return completions >= (task.targetCompletions || 1);
-                    }).length}/${dailyTasks.length} Completed`}
-                  </Badge>
+                  <CompletionCountBadge type="tasks" />
                   <Button
                     variant="ghost"
                     size="sm"
@@ -149,7 +127,7 @@ export default function DailyOverview({
                   </Button>
                 </div>
               </div>
-              <ul className={`grid gap-2 transition-all duration-300 ease-in-out ${expandedTasks ? 'max-h-none' : 'max-h-[200px]'} overflow-hidden`}>
+              <ul className={`grid gap-2 transition-all duration-300 ease-in-out ${browserSettings.expandedTasks ? 'max-h-none' : 'max-h-[200px]'} overflow-hidden`}>
                 {dailyTasks
                   .sort((a, b) => {
                     // First by completion status
@@ -177,7 +155,7 @@ export default function DailyOverview({
                     const bTarget = b.targetCompletions || 1;
                     return bTarget - aTarget;
                   })
-                  .slice(0, expandedTasks ? undefined : 5)
+                  .slice(0, browserSettings.expandedTasks ? undefined : 5)
                   .map((habit) => {
                     const completionsToday = habit.completions.filter(completion =>
                       isSameDate(t2d({ timestamp: completion, timezone: settings.system.timezone }), t2d({ timestamp: d2t({ dateTime: getNow({ timezone: settings.system.timezone }) }), timezone: settings.system.timezone }))
@@ -279,10 +257,10 @@ export default function DailyOverview({
               </ul>
               <div className="flex items-center justify-between">
                 <button
-                  onClick={() => setExpandedTasks(!expandedTasks)}
+                  onClick={() => setBrowserSettings(prev => ({ ...prev, expandedTasks: !prev.expandedTasks }))}
                   className="text-sm text-muted-foreground hover:text-primary flex items-center gap-1"
                 >
-                  {expandedTasks ? (
+                  {browserSettings.expandedTasks ? (
                     <>
                       Show less
                       <ChevronUp className="h-3 w-3" />
@@ -337,13 +315,7 @@ export default function DailyOverview({
                     <h3 className="font-semibold">Daily Habits</h3>
                   </div>
                 <div className="flex items-center gap-2">
-                  <Badge variant="secondary">
-                    {`${dailyHabits.filter(habit => {
-                      const completions = (completedHabitsMap.get(today) || [])
-                        .filter(h => h.id === habit.id).length;
-                      return completions >= (habit.targetCompletions || 1);
-                    }).length}/${dailyHabits.length} Completed`}
-                  </Badge>
+                  <CompletionCountBadge type="habits" />
                   <Button
                     variant="ghost"
                     size="sm"
@@ -360,7 +332,7 @@ export default function DailyOverview({
                   </Button>
                 </div>
               </div>
-              <ul className={`grid gap-2 transition-all duration-300 ease-in-out ${expandedHabits ? 'max-h-none' : 'max-h-[200px]'} overflow-hidden`}>
+              <ul className={`grid gap-2 transition-all duration-300 ease-in-out ${browserSettings.expandedHabits ? 'max-h-none' : 'max-h-[200px]'} overflow-hidden`}>
                 {dailyHabits
                   .sort((a, b) => {
                     // First by completion status
@@ -388,7 +360,7 @@ export default function DailyOverview({
                     const bTarget = b.targetCompletions || 1;
                     return bTarget - aTarget;
                   })
-                  .slice(0, expandedHabits ? undefined : 5)
+                  .slice(0, browserSettings.expandedHabits ? undefined : 5)
                   .map((habit) => {
                     const completionsToday = habit.completions.filter(completion =>
                       isSameDate(t2d({ timestamp: completion, timezone: settings.system.timezone }), t2d({ timestamp: d2t({ dateTime: getNow({ timezone: settings.system.timezone }) }), timezone: settings.system.timezone }))
@@ -490,10 +462,10 @@ export default function DailyOverview({
               </ul>
               <div className="flex items-center justify-between">
                 <button
-                  onClick={() => setExpandedHabits(!expandedHabits)}
+                  onClick={() => setBrowserSettings(prev => ({ ...prev, expandedHabits: !prev.expandedHabits }))}
                   className="text-sm text-muted-foreground hover:text-primary flex items-center gap-1"
                 >
-                  {expandedHabits ? (
+                  {browserSettings.expandedHabits ? (
                     <>
                       Show less
                       <ChevronUp className="h-3 w-3" />
@@ -525,7 +497,7 @@ export default function DailyOverview({
                 </Badge>
               </div>
               <div>
-                <div className={`space-y-3 transition-all duration-300 ease-in-out ${expandedWishlist ? 'max-h-none' : 'max-h-[200px]'} overflow-hidden`}>
+                <div className={`space-y-3 transition-all duration-300 ease-in-out ${browserSettings.expandedWishlist ? 'max-h-none' : 'max-h-[200px]'} overflow-hidden`}>
                   {sortedWishlistItems.length === 0 ? (
                     <div className="text-center text-muted-foreground text-sm py-4">
                       No wishlist items yet. Add some goals to work towards!
@@ -533,7 +505,7 @@ export default function DailyOverview({
                   ) : (
                     <>
                       {sortedWishlistItems
-                        .slice(0, expandedWishlist ? undefined : 5)
+                        .slice(0, browserSettings.expandedWishlist ? undefined : 5)
                         .map((item) => {
                           const isRedeemable = item.coinCost <= coinBalance
                           return (
@@ -587,10 +559,10 @@ export default function DailyOverview({
                 </div>
                 <div className="flex items-center justify-between">
                   <button
-                    onClick={() => setExpandedWishlist(!expandedWishlist)}
+                    onClick={() => setBrowserSettings(prev => ({ ...prev, expandedWishlist: !prev.expandedWishlist }))}
                     className="text-sm text-muted-foreground hover:text-primary flex items-center gap-1"
                   >
-                    {expandedWishlist ? (
+                    {browserSettings.expandedWishlist ? (
                       <>
                         Show less
                         <ChevronUp className="h-3 w-3" />

components/HabitCalendar.tsx

@@ -3,7 +3,7 @@
 import { useState, useMemo, useCallback } from 'react'
 import { Calendar } from '@/components/ui/calendar'
 import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card'
-import { CompletionCountBadge } from '@/components/CompletionCountBadge'
+import CompletionCountBadge from '@/components/CompletionCountBadge'
 import { Button } from '@/components/ui/button'
 import { Check, Circle, CircleCheck } from 'lucide-react'
 import { d2s, getNow, t2d, getCompletedHabitsForDate, isHabitDue, getISODate, getCompletionsForToday, getCompletionsForDate } from '@/lib/utils'
@@ -25,7 +25,8 @@ export default function HabitCalendar() {
     }
   }, [completePastHabit])
   const [settings] = useAtom(settingsAtom)
-  const [selectedDate, setSelectedDate] = useState<DateTime>(getNow({ timezone: settings.system.timezone }))
+  const [selectedDateTime, setSelectedDateTime] = useState<DateTime>(getNow({ timezone: settings.system.timezone }))
+  const selectedDate = selectedDateTime.toFormat("yyyy-MM-dd")
   const [habitsData] = useAtom(habitsAtom)
   const [hasTasks] = useAtom(hasTasksAtom)
   const habits = habitsData.habits
@@ -50,8 +51,8 @@ export default function HabitCalendar() {
           <CardContent>
             <Calendar
               mode="single"
-              selected={selectedDate.toJSDate()}
-              onSelect={(e) => e && setSelectedDate(DateTime.fromJSDate(e))}
+              selected={selectedDateTime.toJSDate()}
+              onSelect={(e) => e && setSelectedDateTime(DateTime.fromJSDate(e))}
               weekStartsOn={settings.system.weekStartDay}
               className="rounded-md border"
               modifiers={{
@@ -71,36 +72,31 @@ export default function HabitCalendar() {
         <Card>
           <CardHeader>
             <CardTitle>
-              {selectedDate ? (
-                <>{d2s({ dateTime: selectedDate, timezone: settings.system.timezone, format: DateTime.DATE_MED_WITH_WEEKDAY })}</>
+              {selectedDateTime ? (
+                <>{d2s({ dateTime: selectedDateTime, timezone: settings.system.timezone, format: DateTime.DATE_MED_WITH_WEEKDAY })}</>
               ) : (
                 'Select a date'
               )}
             </CardTitle>
           </CardHeader>
           <CardContent>
-            {selectedDate && (
+            {selectedDateTime && (
               <div className="space-y-8">
                 {hasTasks && (
                   <div className="pt-2 border-t">
                     <div className="flex items-center justify-between mb-3">
                       <h3 className="font-medium text-sm text-muted-foreground uppercase tracking-wide">Tasks</h3>
-                      <CompletionCountBadge
-                        habits={habits}
-                        selectedDate={selectedDate}
-                        timezone={settings.system.timezone}
-                        type="tasks"
-                      />
+                      <CompletionCountBadge type="tasks" date={selectedDate.toString()} />
                     </div>
                     <ul className="space-y-3">
                       {habits
                         .filter(habit => habit.isTask && isHabitDue({
                           habit,
                           timezone: settings.system.timezone,
-                          date: selectedDate
+                          date: selectedDateTime
                         }))
                         .map((habit) => {
-                          const completions = getCompletionsForDate({ habit, date: selectedDate, timezone: settings.system.timezone })
+                          const completions = getCompletionsForDate({ habit, date: selectedDateTime, timezone: settings.system.timezone })
                           const isCompleted = completions >= (habit.targetCompletions || 1)
                           return (
                             <li key={habit.id} className="flex items-center justify-between gap-2 px-3 py-2 rounded-lg hover:bg-muted/50 transition-colors">
@@ -115,7 +111,7 @@ export default function HabitCalendar() {
                                     </span>
                                   )}
                                   <button
-                                    onClick={() => handleCompletePastHabit(habit, selectedDate)}
+                                    onClick={() => handleCompletePastHabit(habit, selectedDateTime)}
                                     disabled={isCompleted}
                                     className="relative h-4 w-4 hover:opacity-70 transition-opacity disabled:opacity-100"
                                   >
@@ -149,22 +145,17 @@ export default function HabitCalendar() {
                 <div>
                   <div className="flex items-center justify-between mb-3">
                     <h3 className="font-medium text-sm text-muted-foreground uppercase tracking-wide">Habits</h3>
-                    <CompletionCountBadge
-                      habits={habits}
-                      selectedDate={selectedDate}
-                      timezone={settings.system.timezone}
-                      type="habits"
-                    />
+                    <CompletionCountBadge type="habits" date={selectedDate.toString()} />
                   </div>
                   <ul className="space-y-3">
                     {habits
-                      .filter(habit => !habit.isTask && !habit.archived && isHabitDue({
+                      .filter(habit => !habit.isTask && isHabitDue({
                         habit,
                         timezone: settings.system.timezone,
-                        date: selectedDate
+                        date: selectedDateTime
                       }))
                       .map((habit) => {
-                    const completions = getCompletionsForDate({ habit, date: selectedDate, timezone: settings.system.timezone })
+                    const completions = getCompletionsForDate({ habit, date: selectedDateTime, timezone: settings.system.timezone })
                     const isCompleted = completions >= (habit.targetCompletions || 1)
                     return (
                       <li key={habit.id} className="flex items-center justify-between gap-2 px-3 py-2 rounded-lg hover:bg-muted/50 transition-colors">
@@ -179,7 +170,7 @@ export default function HabitCalendar() {
                               </span>
                             )}
                             <button
-                              onClick={() => handleCompletePastHabit(habit, selectedDate)}
+                              onClick={() => handleCompletePastHabit(habit, selectedDateTime)}
                               disabled={isCompleted}
                               className="relative h-4 w-4 hover:opacity-70 transition-opacity disabled:opacity-100"
                             >

components/Navigation.tsx

@@ -7,6 +7,7 @@ import { browserSettingsAtom } from '@/lib/atoms'
 import { useEffect, useState } from 'react'
 import AboutModal from './AboutModal'
 import { HabitIcon, TaskIcon } from '@/lib/constants'
+import { useHelpers } from '@/lib/client-helpers'
 
 type ViewPort = 'main' | 'mobile'
 
@@ -33,6 +34,7 @@ export default function Navigation({ className, viewPort }: NavigationProps) {
   const [isMobileView, setIsMobileView] = useState(false)
   const [browserSettings] = useAtom(browserSettingsAtom)
   const isTasksView = browserSettings.viewType === 'tasks'
+  const { isIOS } = useHelpers()
 
   useEffect(() => {
     const handleResize = () => {
@@ -52,14 +54,14 @@ export default function Navigation({ className, viewPort }: NavigationProps) {
   if (viewPort === 'mobile' && isMobileView) {
     return (
       <>
-        <div className="pb-16" /> {/* Add padding at the bottom to prevent content from being hidden */}
-        <nav className="lg:hidden fixed bottom-0 left-0 right-0 bg-white dark:bg-gray-800 shadow-lg">
-          <div className="flex justify-around">
+        <div className={isIOS ? "pb-20" : "pb-16"} /> {/* Add padding at the bottom to prevent content from being hidden */}
+        <nav className={`lg:hidden fixed bottom-0 left-0 right-0 bg-white dark:bg-gray-800 shadow-lg ${isIOS ? "pb-4" : ""}`}>
+          <div className="grid grid-cols-5 w-full">
             {[...navItems(isTasksView).filter(item => item.position === 'main'), ...navItems(isTasksView).filter(item => item.position === 'bottom')].map((item) => (
               <Link
                 key={item.label}
                 href={item.href}
-                className="flex flex-col items-center py-2 text-gray-600 dark:text-gray-300 hover:text-blue-500 dark:hover:text-blue-400"
+                className="flex flex-col items-center justify-center py-2 text-gray-600 dark:text-gray-300 hover:text-blue-500 dark:hover:text-blue-400"
               >
                 <item.icon className="h-6 w-6" />
                 <span className="text-xs mt-1">{item.label}</span>

components/ViewToggle.tsx

@@ -32,7 +32,7 @@ export function ViewToggle({
 
   // Calculate due tasks count
   const dueTasksCount = habits.habits.filter(habit => 
-    habit.isTask && !habit.archived && isHabitDueToday({ habit, timezone: settings.system.timezone })
+    habit.isTask && isHabitDueToday({ habit, timezone: settings.system.timezone })
   ).length
 
   return (

lib/atoms.ts

@@ -7,6 +7,7 @@ import {
   Habit,
   ViewType,
   getDefaultUsersData,
+  CompletionCache,
 } from "./types";
 import {
   getTodayInTimezone,
@@ -18,16 +19,26 @@ import {
   calculateCoinsSpentToday,
   calculateTransactionsToday,
   getCompletionsForToday,
-  getISODate
+  getISODate,
+  isHabitDueToday,
+  getNow,
+  isHabitDue
 } from "@/lib/utils";
-import { atomWithStorage } from "jotai/utils";
+import { atomFamily, atomWithStorage } from "jotai/utils";
+import { DateTime } from "luxon";
 
 export interface BrowserSettings {
   viewType: ViewType
+  expandedHabits: boolean
+  expandedTasks: boolean
+  expandedWishlist: boolean
 }
 
 export const browserSettingsAtom = atomWithStorage('browserSettings', {
-  viewType: 'habits'
+  viewType: 'habits',
+  expandedHabits: false,
+  expandedTasks: false,
+  expandedWishlist: false
 } as BrowserSettings)
 
 export const usersAtom = atom(getDefaultUsersData())
@@ -92,36 +103,49 @@ export const pomodoroAtom = atom<PomodoroAtom>({
 
 export const userSelectAtom = atom<boolean>(false)
 
-// Derived atom for *fully* completed habits by date, respecting target completions
-export const completedHabitsMapAtom = atom((get) => {
-  const habits = get(habitsAtom).habits
-  const timezone = get(settingsAtom).system.timezone
-
-  const map = new Map<string, Habit[]>()
-
+// Derived atom for completion cache
+export const completionCacheAtom = atom((get) => {
+  const habits = get(habitsAtom).habits;
+  const timezone = get(settingsAtom).system.timezone;
+  const cache: CompletionCache = {};
+  
   habits.forEach(habit => {
-    // Group completions by date
-    const completionsByDate = new Map<string, number>()
-
-    habit.completions.forEach(completion => {
-      const dateKey = getISODate({ dateTime: t2d({ timestamp: completion, timezone }), timezone })
-      completionsByDate.set(dateKey, (completionsByDate.get(dateKey) || 0) + 1)
-    })
-
-    // Check if habit meets target completions for each date
-    completionsByDate.forEach((count, dateKey) => {
-      const target = habit.targetCompletions || 1
-      if (count >= target) {
-        if (!map.has(dateKey)) {
-          map.set(dateKey, [])
-        }
-        map.get(dateKey)!.push(habit)
+    habit.completions.forEach(utcTimestamp => {
+      const localDate = t2d({ timestamp: utcTimestamp, timezone })
+        .toFormat('yyyy-MM-dd');
+      
+      if (!cache[localDate]) {
+        cache[localDate] = {};
       }
-    })
-  })
+      
+      cache[localDate][habit.id] = (cache[localDate][habit.id] || 0) + 1;
+    });
+  });
 
-  return map
-})
+  return cache;
+});
+
+// Derived atom for completed habits by date, using the cache
+export const completedHabitsMapAtom = atom((get) => {
+  const habits = get(habitsAtom).habits;
+  const completionCache = get(completionCacheAtom);
+  const map = new Map<string, Habit[]>();
+
+  // For each date in the cache
+  Object.entries(completionCache).forEach(([dateKey, habitCompletions]) => {
+    const completedHabits = habits.filter(habit => {
+      const completionsNeeded = habit.targetCompletions || 1;
+      const completionsAchieved = habitCompletions[habit.id] || 0;
+      return completionsAchieved >= completionsNeeded;
+    });
+
+    if (completedHabits.length > 0) {
+      map.set(dateKey, completedHabits);
+    }
+  });
+
+  return map;
+});
 
 
 export const pomodoroTodayCompletionsAtom = atom((get) => {
@@ -145,3 +169,22 @@ export const hasTasksAtom = atom((get) => {
   const habits = get(habitsAtom)
   return habits.habits.some(habit => habit.isTask === true)
 })
+
+// Atom family for habits by specific date
+export const habitsByDateFamily = atomFamily((dateString: string) => 
+  atom((get) => {
+    const habits = get(habitsAtom).habits;
+    const settings = get(settingsAtom);
+    const timezone = settings.system.timezone;
+    
+    const date = DateTime.fromISO(dateString).setZone(timezone);
+    return habits.filter(habit => isHabitDue({ habit, timezone, date }));
+  })
+);
+
+// Derived atom for daily habits
+export const dailyHabitsAtom = atom((get) => {
+  const settings = get(settingsAtom);
+  const today = getTodayInTimezone(settings.system.timezone);
+  return get(habitsByDateFamily(today));
+});

lib/client-helpers.ts

@@ -12,6 +12,19 @@ export function useHelpers() {
   const currentUserId = session?.user.id
   const [usersData] = useAtom(usersAtom)
   const currentUser = usersData.users.find((u) => u.id === currentUserId)
+  // detect iOS: https://stackoverflow.com/a/9039885
+  function iOS() {
+    return [
+      'iPad Simulator',
+      'iPhone Simulator',
+      'iPod Simulator',
+      'iPad',
+      'iPhone',
+      'iPod',
+    ].includes(navigator.platform)
+    // iPad on iOS 13 detection
+    || (navigator.userAgent.includes("Mac") && "ontouchend" in document)
+  }  
 
   return {
     currentUserId,
@@ -19,6 +32,7 @@ export function useHelpers() {
     usersData,
     status,
     hasPermission: (resource: 'habit' | 'wishlist' | 'coins', action: 'write' | 'interact') => currentUser?.isAdmin ||
-      checkPermission(currentUser?.permissions, resource, action)
+      checkPermission(currentUser?.permissions, resource, action),
+    isIOS: iOS(),
   }
 }

lib/types.ts

@@ -164,6 +164,12 @@ export interface Settings {
   profile: ProfileSettings;
 }
 
+export type CompletionCache = {
+  [dateKey: string]: {  // dateKey format: "YYYY-MM-DD"
+    [habitId: string]: number  // number of completions on that date
+  }
+}
+
 export type ViewType = 'habits' | 'tasks'
 
 export interface JotaiHydrateInitialValues {

lib/utils.ts

@@ -231,11 +231,18 @@ export function isHabitDue({
   timezone: string
   date: DateTime
 }): boolean {
+  // handle task
   if (habit.isTask) {
     // For tasks, frequency is stored as a UTC ISO timestamp
     const taskDueDate = t2d({ timestamp: habit.frequency, timezone })
     return isSameDate(taskDueDate, date);
   }
+
+  // handle habit
+  if (habit.archived) {
+    return false
+  }
+
   const startOfDay = date.setZone(timezone).startOf('day')
   const endOfDay = date.setZone(timezone).endOf('day')
 

package.json

@@ -1,6 +1,6 @@
 {
   "name": "habittrove",
-  "version": "0.2.0",
+  "version": "0.2.2",
   "private": true,
   "scripts": {
     "dev": "next dev --turbopack",