adding today feature on main habit page, show streaks feature on settings page and improved dark mode functionality

This commit is contained in:
Harivansh Rathi 2024-11-20 14:44:45 -05:00
parent 1bb06006e8
commit 6b6cba21e5
9 changed files with 705 additions and 362 deletions

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habits.db

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@ -1,17 +1,35 @@
import React, { useState, useEffect } from 'react';
import { Plus, CalendarIcon, SettingsIcon, Moon, Sun, ChevronLeft, ChevronRight } from 'lucide-react';
import { ChevronLeft, ChevronRight, Sun, Moon } from 'lucide-react';
import { HabitList } from './components/HabitList';
import { Calendar } from './components/Calendar';
import { Habit } from './types';
import { Sidebar } from './components/Sidebar';
import { useHabits } from './hooks/useHabits';
import { useWeek } from './hooks/useWeek';
import { ThemeProvider, useThemeContext } from './contexts/ThemeContext';
export default function HabitTracker() {
const [habits, setHabits] = useState<Habit[]>([]);
function HabitTrackerContent() {
const { theme, isDark, toggleDarkMode } = useThemeContext();
const [newHabit, setNewHabit] = useState('');
const [currentWeek, setCurrentWeek] = useState<string[]>([]);
const [activeView, setActiveView] = useState<'habits' | 'calendar' | 'settings'>('habits');
const [darkMode, setDarkMode] = useState(() => localStorage.getItem('darkMode') === 'true');
const [currentMonth, setCurrentMonth] = useState(new Date());
const {
habits,
fetchHabits,
addHabit: addHabitApi,
toggleHabit,
updateHabit,
deleteHabit,
updateStreak
} = useHabits();
const {
currentWeek,
setCurrentWeek,
getCurrentWeekDates,
changeWeek
} = useWeek();
const daysOfWeek = ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun'];
useEffect(() => {
@ -19,104 +37,16 @@ export default function HabitTracker() {
setCurrentWeek(getCurrentWeekDates());
}, []);
useEffect(() => {
if (darkMode) {
document.documentElement.classList.add('dark');
} else {
document.documentElement.classList.remove('dark');
}
localStorage.setItem('darkMode', darkMode.toString());
}, [darkMode]);
const fetchHabits = async () => {
try {
const response = await fetch('http://localhost:5000/api/habits');
const data = await response.json();
setHabits(data);
} catch (error) {
console.error('Error fetching habits:', error);
setHabits([]); // Set empty array on error
}
};
const addHabit = async (e: React.FormEvent) => {
const handleAddHabit = async (e: React.FormEvent) => {
e.preventDefault();
if (newHabit.trim()) {
try {
const response = await fetch('http://localhost:5000/api/habits', {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({ name: newHabit }),
});
if (response.ok) {
setNewHabit('');
fetchHabits();
}
} catch (error) {
console.error('Error adding habit:', error);
const success = await addHabitApi(newHabit);
if (success) {
setNewHabit('');
}
}
};
const toggleHabit = async (id: number, date: string) => {
try {
await fetch(`http://localhost:5000/api/habits/${id}/toggle`, {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({ date }),
});
fetchHabits();
} catch (error) {
console.error('Error toggling habit:', error);
}
};
const updateHabit = async (id: number, name: string) => {
try {
await fetch(`http://localhost:5000/api/habits/${id}`, {
method: 'PUT',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({ name }),
});
fetchHabits();
} catch (error) {
console.error('Error updating habit:', error);
}
};
const deleteHabit = async (id: number) => {
try {
await fetch(`http://localhost:5000/api/habits/${id}`, {
method: 'DELETE',
});
fetchHabits();
} catch (error) {
console.error('Error deleting habit:', error);
}
};
const getCurrentWeekDates = () => {
const now = new Date();
const dayOfWeek = now.getDay();
const diff = now.getDate() - dayOfWeek + (dayOfWeek === 0 ? -6 : 1);
const monday = new Date(now.setDate(diff));
return Array.from({ length: 7 }, (_, i) => {
const date = new Date(monday);
date.setDate(monday.getDate() + i);
return date.toISOString().split('T')[0];
});
};
const changeWeek = (direction: 'prev' | 'next') => {
const firstDay = new Date(currentWeek[0]);
const newFirstDay = new Date(firstDay.setDate(firstDay.getDate() + (direction === 'prev' ? -7 : 7)));
setCurrentWeek(Array.from({ length: 7 }, (_, i) => {
const date = new Date(newFirstDay);
date.setDate(newFirstDay.getDate() + i);
return date.toISOString().split('T')[0];
}));
};
const changeMonth = (direction: 'prev' | 'next') => {
setCurrentMonth(prevMonth => {
const newMonth = new Date(prevMonth);
@ -125,168 +55,147 @@ export default function HabitTracker() {
});
};
const getDaysInMonth = (year: number, month: number) => {
return new Date(year, month + 1, 0).getDate();
};
const getCompletedHabitsForDate = (date: string) => {
return habits.filter(habit => habit.completedDates.includes(date));
};
const handleUpdateStreak = async (id: number, newStreak: number) => {
// Prevent negative streaks
if (newStreak < 0) return;
const goToCurrentWeek = () => {
setCurrentWeek(getCurrentWeekDates());
};
try {
// Update in database
await fetch(`http://localhost:5000/api/habits/${id}/streak`, {
method: 'PUT',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({ streak: newStreak }),
});
const renderHabitsView = () => (
<div className="space-y-6">
<form onSubmit={handleAddHabit} className="flex gap-2">
<input
type="text"
value={newHabit}
onChange={(e) => setNewHabit(e.target.value)}
placeholder="Add a new habit"
className={`flex-grow px-4 py-2 border rounded-lg ${theme.input}`}
/>
<button
type="submit"
className={`px-4 py-2 rounded-lg ${theme.button.primary}`}
>
Add Habit
</button>
</form>
// Update state
setHabits(habits.map(habit =>
habit.id === id ? { ...habit, manualStreak: newStreak } : habit
));
} catch (error) {
console.error('Error updating streak:', error);
}
<div className={`rounded-lg shadow p-6 ${theme.cardBackground}`}>
<div className="flex justify-between items-center mb-6">
<h2 className="text-2xl font-bold dark:text-white">Weekly Progress</h2>
<div className="flex items-center space-x-2">
<button
onClick={goToCurrentWeek}
className={`px-4 py-2 rounded-lg ${theme.button.primary} text-sm`}
>
Today
</button>
<div className="flex space-x-2">
<button
onClick={() => changeWeek('prev')}
className="p-2 hover:bg-gray-100 dark:hover:bg-gray-800 rounded-full"
>
<ChevronLeft className="h-5 w-5 dark:text-white" />
</button>
<button
onClick={() => changeWeek('next')}
className="p-2 hover:bg-gray-100 dark:hover:bg-gray-800 rounded-full"
>
<ChevronRight className="h-5 w-5 dark:text-white" />
</button>
</div>
</div>
</div>
<HabitList
habits={habits}
currentWeek={currentWeek}
daysOfWeek={daysOfWeek}
onToggleHabit={toggleHabit}
onUpdateHabit={updateHabit}
onDeleteHabit={deleteHabit}
onUpdateStreak={updateStreak}
/>
</div>
</div>
);
const renderCalendarView = () => (
<Calendar
currentMonth={currentMonth}
habits={habits}
onChangeMonth={changeMonth}
getDaysInMonth={(year, month) => new Date(year, month + 1, 0).getDate()}
getCompletedHabitsForDate={getCompletedHabitsForDate}
/>
);
const renderSettingsView = () => {
const { theme, isDark, showStreaks, toggleDarkMode, toggleStreaks } = useThemeContext();
return (
<div className={`rounded-lg shadow p-6 ${theme.cardBackground}`}>
<h2 className="text-2xl font-bold mb-6 dark:text-white">Settings</h2>
<div className="space-y-6">
<div className="flex items-center justify-between">
<span className="dark:text-white">Dark Mode</span>
<button
onClick={toggleDarkMode}
className="p-2 rounded-full hover:bg-gray-100 dark:hover:bg-gray-800"
>
{isDark ? (
<Sun className="h-5 w-5 dark:text-white" />
) : (
<Moon className="h-5 w-5" />
)}
</button>
</div>
<div className="flex items-center justify-between">
<span className="dark:text-white">Show Streaks</span>
<button
onClick={toggleStreaks}
className={`
relative inline-flex h-6 w-11 items-center rounded-full
transition-colors duration-200 ease-in-out
${showStreaks ? 'bg-[#2ecc71]' : 'bg-gray-200 dark:bg-gray-700'}
focus:outline-none focus:ring-2 focus:ring-[#2ecc71] focus:ring-offset-2
dark:focus:ring-offset-gray-800
`}
>
<span
className={`
inline-block h-4 w-4 transform rounded-full bg-white
transition-transform duration-200 ease-in-out
${showStreaks ? 'translate-x-6' : 'translate-x-1'}
`}
/>
</button>
</div>
</div>
</div>
);
};
return (
<div className="min-h-screen bg-white dark:bg-black">
<div className={`min-h-screen ${theme.background}`}>
<div className="flex h-screen">
<nav className="w-64 border-r border-gray-200 dark:border-gray-800">
<div className="p-4">
<h1 className="text-2xl font-bold text-gray-900 dark:text-white">Habit Tracker</h1>
</div>
<ul className="space-y-2 p-4">
<li>
<button
onClick={() => setActiveView('habits')}
className={`w-full px-4 py-2 text-left rounded-lg ${
activeView === 'habits'
? 'bg-gray-100 dark:bg-gray-800'
: 'hover:bg-gray-50 dark:hover:bg-gray-800'
} dark:text-white`}
>
<Plus className="inline-block mr-2 h-4 w-4" />
Habits
</button>
</li>
<li>
<button
onClick={() => setActiveView('calendar')}
className={`w-full px-4 py-2 text-left rounded-lg ${
activeView === 'calendar'
? 'bg-gray-100 dark:bg-gray-800'
: 'hover:bg-gray-50 dark:hover:bg-gray-800'
} dark:text-white`}
>
<CalendarIcon className="inline-block mr-2 h-4 w-4" />
Calendar
</button>
</li>
<li>
<button
onClick={() => setActiveView('settings')}
className={`w-full px-4 py-2 text-left rounded-lg ${
activeView === 'settings'
? 'bg-gray-100 dark:bg-gray-800'
: 'hover:bg-gray-50 dark:hover:bg-gray-800'
} dark:text-white`}
>
<SettingsIcon className="inline-block mr-2 h-4 w-4" />
Settings
</button>
</li>
</ul>
</nav>
<Sidebar activeView={activeView} setActiveView={setActiveView} />
<main className="flex-1 p-8">
{activeView === 'habits' && (
<div className="space-y-6">
<form onSubmit={addHabit} className="flex gap-2">
<input
type="text"
value={newHabit}
onChange={(e) => setNewHabit(e.target.value)}
placeholder="Add a new habit"
className="flex-grow px-4 py-2 border rounded-lg dark:bg-gray-800 dark:border-gray-700 dark:text-white"
/>
<button
type="submit"
className="px-4 py-2 bg-black text-white rounded-lg dark:bg-white dark:text-black"
>
Add Habit
</button>
</form>
<div className="bg-white dark:bg-gray-900 rounded-lg shadow p-6">
<div className="flex justify-between items-center mb-6">
<h2 className="text-2xl font-bold dark:text-white">Weekly Progress</h2>
<div className="flex space-x-2">
<button
onClick={() => changeWeek('prev')}
className="p-2 hover:bg-gray-100 dark:hover:bg-gray-800 rounded-full"
>
<ChevronLeft className="h-5 w-5 dark:text-white" />
</button>
<button
onClick={() => changeWeek('next')}
className="p-2 hover:bg-gray-100 dark:hover:bg-gray-800 rounded-full"
>
<ChevronRight className="h-5 w-5 dark:text-white" />
</button>
</div>
</div>
<HabitList
habits={habits}
currentWeek={currentWeek}
daysOfWeek={daysOfWeek}
onToggleHabit={toggleHabit}
onUpdateHabit={updateHabit}
onDeleteHabit={deleteHabit}
onUpdateStreak={handleUpdateStreak}
/>
</div>
</div>
)}
{activeView === 'calendar' && (
<Calendar
currentMonth={currentMonth}
habits={habits}
onChangeMonth={changeMonth}
getDaysInMonth={getDaysInMonth}
getCompletedHabitsForDate={getCompletedHabitsForDate}
/>
)}
{activeView === 'settings' && (
<div className="bg-white dark:bg-gray-900 rounded-lg shadow p-6">
<h2 className="text-2xl font-bold mb-6 dark:text-white">Settings</h2>
<div className="space-y-6">
<div className="flex items-center justify-between">
<span className="dark:text-white">Dark Mode</span>
<button
onClick={() => setDarkMode(!darkMode)}
className="p-2 rounded-full hover:bg-gray-100 dark:hover:bg-gray-800"
>
{darkMode ? (
<Sun className="h-5 w-5 dark:text-white" />
) : (
<Moon className="h-5 w-5" />
)}
</button>
</div>
</div>
</div>
)}
{activeView === 'habits' && renderHabitsView()}
{activeView === 'calendar' && renderCalendarView()}
{activeView === 'settings' && renderSettingsView()}
</main>
</div>
</div>
);
}
export default function HabitTracker() {
return (
<ThemeProvider>
<HabitTrackerContent />
</ThemeProvider>
);
}

View file

@ -1,5 +1,6 @@
import React from 'react';
import { ChevronLeft, ChevronRight } from 'lucide-react';
import { useThemeContext } from '../contexts/ThemeContext';
import { Habit } from '../types';
interface CalendarProps {
@ -10,46 +11,55 @@ interface CalendarProps {
getCompletedHabitsForDate: (date: string) => Habit[];
}
export function Calendar({
export const Calendar: React.FC<CalendarProps> = ({
currentMonth,
habits,
onChangeMonth,
getDaysInMonth,
getCompletedHabitsForDate
}: CalendarProps) {
}) => {
const { theme } = useThemeContext();
const daysOfWeek = ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun'];
const getFirstDayOfMonth = (year: number, month: number) => {
const date = new Date(year, month, 1);
// Convert Sunday (0) to 6 for our Monday-based week
return date.getDay() === 0 ? 6 : date.getDay() - 1;
};
// Helper function to format date to YYYY-MM-DD
const formatDate = (date: Date): string => {
return date.toISOString().split('T')[0];
};
// Get today's date in YYYY-MM-DD format
const today = formatDate(new Date());
return (
<div className="bg-white dark:bg-gray-900 rounded-lg shadow-lg p-6">
<div className="flex items-center justify-between mb-8">
<h2 className="text-2xl font-bold dark:text-white">
<div className={`rounded-lg shadow-md p-6 ${theme.calendar.background}`}>
<div className="flex justify-between items-center mb-8">
<h2 className={`text-2xl font-bold ${theme.calendar.header}`}>
{currentMonth.toLocaleString('default', { month: 'long', year: 'numeric' })}
</h2>
<div className="flex space-x-2">
<div className="flex space-x-3">
<button
onClick={() => onChangeMonth('prev')}
className="p-2 hover:bg-gray-100 dark:hover:bg-gray-800 rounded-full transition-colors duration-200"
className={`p-2.5 rounded-lg ${theme.calendar.navigation.button}`}
>
<ChevronLeft className="h-5 w-5 dark:text-white" />
<ChevronLeft className={theme.calendar.navigation.icon} />
</button>
<button
onClick={() => onChangeMonth('next')}
className="p-2 hover:bg-gray-100 dark:hover:bg-gray-800 rounded-full transition-colors duration-200"
className={`p-2.5 rounded-lg ${theme.calendar.navigation.button}`}
>
<ChevronRight className="h-5 w-5 dark:text-white" />
<ChevronRight className={theme.calendar.navigation.icon} />
</button>
</div>
</div>
<div className="grid grid-cols-7 gap-4">
{daysOfWeek.map(day => (
<div key={day} className="text-center font-semibold text-gray-600 dark:text-gray-300 mb-2">
<div key={day} className={`text-center font-semibold mb-2 ${theme.calendar.weekDay}`}>
{day}
</div>
))}
@ -61,13 +71,12 @@ export function Calendar({
const daysInMonth = getDaysInMonth(year, month);
const daysInPrevMonth = getDaysInMonth(year, month - 1);
// Calculate days to show
const days = [];
// Previous month days
for (let i = 0; i < firstDayOfMonth; i++) {
const day = daysInPrevMonth - firstDayOfMonth + i + 1;
const date = new Date(year, month - 1, day).toISOString().split('T')[0];
const date = formatDate(new Date(year, month - 1, day));
days.push({
date,
dayNumber: day,
@ -77,7 +86,7 @@ export function Calendar({
// Current month days
for (let i = 1; i <= daysInMonth; i++) {
const date = new Date(year, month, i).toISOString().split('T')[0];
const date = formatDate(new Date(year, month, i));
days.push({
date,
dayNumber: i,
@ -85,10 +94,10 @@ export function Calendar({
});
}
// Next month days to complete the grid
const remainingDays = 42 - days.length; // 6 rows * 7 days
// Next month days
const remainingDays = 42 - days.length;
for (let i = 1; i <= remainingDays; i++) {
const date = new Date(year, month + 1, i).toISOString().split('T')[0];
const date = formatDate(new Date(year, month + 1, i));
days.push({
date,
dayNumber: i,
@ -99,41 +108,62 @@ export function Calendar({
return days.map(({ date, dayNumber, isCurrentMonth }) => {
const completedHabits = getCompletedHabitsForDate(date);
const incompleteHabits = habits.filter(habit => !habit.completedDates.includes(date));
const isToday = date === today;
return (
<div
key={date}
className={`border dark:border-gray-700 rounded-lg p-3 min-h-[80px] relative group hover:shadow-md transition-shadow duration-200 ${
!isCurrentMonth ? 'bg-gray-50 dark:bg-gray-800/50' : ''
}`}
className={`
border rounded-lg p-3 min-h-[80px] relative
${theme.border}
${isCurrentMonth ? theme.calendar.day.default : theme.calendar.day.otherMonth}
${isToday ? `border-2 ${theme.calendar.day.today}` : ''}
`}
>
<span className={`text-sm font-medium ${
isCurrentMonth
? 'dark:text-white'
: 'text-gray-400 dark:text-gray-500'
}`}>
<span className={`font-medium ${isCurrentMonth ? theme.text : theme.calendar.day.otherMonth}`}>
{dayNumber}
</span>
{habits.length > 0 && (
<div className="absolute bottom-3 left-1/2 transform -translate-x-1/2">
<div className="relative">
<div className="group relative inline-block">
<div
className={`h-3 w-3 ${
completedHabits.length > 0
? 'bg-green-500 shadow-sm shadow-green-200'
: 'bg-gray-300 dark:bg-gray-600'
} rounded-full transition-colors duration-200`}
className={`
h-4 w-4 rounded-full cursor-pointer
transition-colors duration-200
${completedHabits.length > 0
? 'bg-[#2ecc71] dark:bg-[#2ecc71] shadow-sm shadow-[#2ecc7150]'
: `bg-[#e9e9e8] dark:bg-[#393939]`
}
`}
/>
<div className="absolute bottom-full left-1/2 transform -translate-x-1/2 mb-3 hidden group-hover:block">
<div className="bg-white dark:bg-gray-800 text-sm rounded-lg shadow-lg p-4 border dark:border-gray-700 min-w-[200px]">
<div
className={`
absolute bottom-full left-1/2 -translate-x-1/2 mb-2
opacity-0 invisible
group-hover:opacity-100 group-hover:visible
transition-all duration-150 ease-in-out
z-50 transform
translate-y-1 group-hover:translate-y-0
`}
>
<div className={`
rounded-lg p-4
min-w-[200px] max-w-[300px]
${theme.calendar.tooltip.background}
${theme.calendar.tooltip.border}
${theme.calendar.tooltip.shadow}
border
backdrop-blur-sm
pointer-events-none
`}>
{completedHabits.length > 0 && (
<div className="mb-3">
<span className="text-green-500 font-semibold block mb-1">
<span className="text-[#2ecc71] font-semibold block mb-2">
Completed
</span>
<ul className="space-y-1">
<ul className="space-y-1.5">
{completedHabits.map(habit => (
<li key={habit.id} className="text-gray-600 dark:text-gray-300">
<li key={habit.id} className={`${theme.text} text-sm truncate`}>
{habit.name}
</li>
))}
@ -142,12 +172,12 @@ export function Calendar({
)}
{incompleteHabits.length > 0 && (
<div>
<span className="text-red-500 font-semibold block mb-1">
<span className="text-[#e74c3c] font-semibold block mb-2">
Pending
</span>
<ul className="space-y-1">
<ul className="space-y-1.5">
{incompleteHabits.map(habit => (
<li key={habit.id} className="text-gray-600 dark:text-gray-300">
<li key={habit.id} className={`${theme.text} text-sm truncate`}>
{habit.name}
</li>
))}
@ -166,4 +196,4 @@ export function Calendar({
</div>
</div>
);
}
};

View file

@ -1,6 +1,7 @@
import React, { useEffect } from 'react';
import { Trash2 } from 'lucide-react';
import { Habit } from '../types';
import { useThemeContext } from '../contexts/ThemeContext';
interface HabitListProps {
habits: Habit[];
@ -99,6 +100,8 @@ export function HabitList({
onDeleteHabit,
onUpdateStreak,
}: HabitListProps) {
const { showStreaks } = useThemeContext();
useEffect(() => {
console.log('Current week dates:',
currentWeek.map(date =>
@ -108,82 +111,114 @@ export function HabitList({
}, []);
return (
<table className="w-full">
<thead>
<tr>
<th className="px-4 py-2 text-left dark:text-white">Habit</th>
{currentWeek.map((dateStr, index) => {
const date = new Date(dateStr);
// Ensure date is interpreted in local timezone
const displayDate = new Date(date.getTime() + date.getTimezoneOffset() * 60000);
return (
<th key={dateStr} className="px-4 py-2 text-center dark:text-white">
<div>{daysOfWeek[index]}</div>
<div className="text-xs text-gray-500 dark:text-gray-400">
{displayDate.getDate()}
</div>
</th>
);
})}
<th className="px-4 py-2 text-center dark:text-white">Current Streak</th>
<th className="px-4 py-2 text-center dark:text-white">Best Streak</th>
<th className="px-4 py-2 text-center dark:text-white">Actions</th>
</tr>
</thead>
<tbody>
{habits.map((habit) => (
<tr key={habit.id} className="border-t dark:border-gray-700">
<td className="px-4 py-2 dark:text-white">
<input
type="text"
value={habit.name}
onChange={(e) => onUpdateHabit(habit.id, e.target.value)}
aria-label="Habit name"
placeholder="Enter habit name"
className="bg-transparent border-none focus:outline-none focus:ring-2 focus:ring-gray-300 rounded px-2"
/>
</td>
{currentWeek.map((date) => (
<td key={date} className="px-4 py-2 text-center">
<div className="overflow-x-auto">
<table className="w-full">
<thead>
<tr>
<th className="text-left px-4 py-2 dark:text-white">Habit</th>
{currentWeek.map((dateStr, index) => {
const date = new Date(dateStr);
const displayDate = new Date(date.getTime() + date.getTimezoneOffset() * 60000);
return (
<th key={dateStr} className="px-4 py-2 text-center dark:text-white">
<div>{daysOfWeek[index]}</div>
<div className="text-xs text-gray-500 dark:text-gray-400">
{displayDate.getDate()}
</div>
</th>
);
})}
{showStreaks && (
<>
<th className="px-4 py-2 text-center dark:text-white">Current Streak</th>
<th className="px-4 py-2 text-center dark:text-white">Best Streak</th>
</>
)}
<th className="px-4 py-2 text-center dark:text-white">Actions</th>
</tr>
</thead>
<tbody>
{habits.map((habit) => (
<tr key={habit.id} className="border-t dark:border-gray-700">
<td className="px-4 py-2 dark:text-white">
<input
type="checkbox"
checked={habit.completedDates.includes(date)}
onChange={() => {
onToggleHabit(habit.id, date);
const newCompletedDates = habit.completedDates.includes(date)
? habit.completedDates.filter(d => d !== date)
: [...habit.completedDates, date];
const { bestStreak } = calculateStreak(newCompletedDates);
onUpdateStreak(habit.id, bestStreak);
}}
aria-label={`Mark ${habit.name} as completed for ${date}`}
className="w-4 h-4 rounded border-gray-300 dark:border-gray-600"
type="text"
value={habit.name}
onChange={(e) => onUpdateHabit(habit.id, e.target.value)}
aria-label="Habit name"
placeholder="Enter habit name"
className="bg-transparent border-none focus:outline-none focus:ring-2 focus:ring-gray-300 rounded px-2"
/>
</td>
))}
<td className="px-4 py-2 text-center">
<span className="dark:text-white font-medium">
{calculateStreak(habit.completedDates || []).currentStreak}
</span>
</td>
<td className="px-4 py-2 text-center">
<span className="dark:text-white font-medium">
{calculateStreak(habit.completedDates || []).bestStreak}
</span>
</td>
<td className="px-4 py-2 text-center">
<button
onClick={() => onDeleteHabit(habit.id)}
className="p-2 text-red-500 hover:bg-red-100 dark:hover:bg-red-900 rounded-full"
>
<Trash2 className="h-4 w-4" />
</button>
</td>
</tr>
))}
</tbody>
</table>
{currentWeek.map((date) => (
<td key={date} className="px-4 py-2 text-center">
<label className="relative inline-block cursor-pointer">
<input
type="checkbox"
checked={habit.completedDates.includes(date)}
onChange={() => {
onToggleHabit(habit.id, date);
const newCompletedDates = habit.completedDates.includes(date)
? habit.completedDates.filter(d => d !== date)
: [...habit.completedDates, date];
const { bestStreak } = calculateStreak(newCompletedDates);
onUpdateStreak(habit.id, bestStreak);
}}
aria-label={`Mark ${habit.name} as completed for ${date}`}
className="sr-only"
/>
<div className={`
w-6 h-6 rounded-md border-2 transition-all duration-200
${habit.completedDates.includes(date)
? 'bg-green-500 border-green-500'
: 'border-gray-300 dark:border-gray-600 hover:border-green-400 dark:hover:border-green-400'}
flex items-center justify-center
`}>
{habit.completedDates.includes(date) && (
<svg
className="w-4 h-4 text-white"
fill="none"
strokeLinecap="round"
strokeLinejoin="round"
strokeWidth="2"
viewBox="0 0 24 24"
stroke="currentColor"
>
<path d="M5 13l4 4L19 7"></path>
</svg>
)}
</div>
</label>
</td>
))}
{showStreaks && (
<>
<td className="px-4 py-2 text-center">
<span className="text-yellow-500 dark:text-yellow-400 font-medium text-lg">
{calculateStreak(habit.completedDates || []).currentStreak}
</span>
</td>
<td className="px-4 py-2 text-center">
<span className="text-yellow-500 dark:text-yellow-400 font-medium text-lg">
{calculateStreak(habit.completedDates || []).bestStreak}
</span>
</td>
</>
)}
<td className="px-4 py-2 text-center">
<button
onClick={() => onDeleteHabit(habit.id)}
className="p-2 text-red-500 hover:bg-red-100 dark:hover:bg-red-900 rounded-full transition-colors duration-200"
>
<Trash2 className="h-4 w-4" />
</button>
</td>
</tr>
))}
</tbody>
</table>
</div>
);
}

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import React from 'react';
import { Plus, CalendarIcon, SettingsIcon } from 'lucide-react';
import { useThemeContext } from '../contexts/ThemeContext';
type View = 'habits' | 'calendar' | 'settings';
interface SidebarProps {
activeView: View;
setActiveView: (view: View) => void;
}
export const Sidebar: React.FC<SidebarProps> = ({ activeView, setActiveView }) => {
const { theme } = useThemeContext();
return (
<nav className={`w-64 border-r ${theme.border} ${theme.sidebarBackground}`}>
<div className="p-4">
<h1 className={`text-2xl font-bold ${theme.text}`}>Habit Tracker</h1>
</div>
<ul className="space-y-2 p-4">
<li>
<button
onClick={() => setActiveView('habits')}
className={`w-full px-4 py-2 text-left rounded-lg ${
activeView === 'habits'
? theme.button.secondary
: `${theme.text} ${theme.habitItem}`
}`}
>
<Plus className="inline-block mr-2 h-4 w-4" />
Habits
</button>
</li>
<li>
<button
onClick={() => setActiveView('calendar')}
className={`w-full px-4 py-2 text-left rounded-lg ${
activeView === 'calendar'
? theme.button.secondary
: `${theme.text} ${theme.habitItem}`
}`}
>
<CalendarIcon className="inline-block mr-2 h-4 w-4" />
Calendar
</button>
</li>
<li>
<button
onClick={() => setActiveView('settings')}
className={`w-full px-4 py-2 text-left rounded-lg ${
activeView === 'settings'
? theme.button.secondary
: `${theme.text} ${theme.habitItem}`
}`}
>
<SettingsIcon className="inline-block mr-2 h-4 w-4" />
Settings
</button>
</li>
</ul>
</nav>
);
};

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import React, { createContext, useContext, useState, useEffect } from 'react';
import { Theme, useTheme } from '../styles/theme';
interface ThemeContextType {
theme: Theme;
isDark: boolean;
showStreaks: boolean;
toggleDarkMode: () => void;
toggleStreaks: () => void;
}
const ThemeContext = createContext<ThemeContextType | undefined>(undefined);
export const ThemeProvider: React.FC<{ children: React.ReactNode }> = ({ children }) => {
const [isDark, setIsDark] = useState(() => localStorage.getItem('darkMode') === 'true');
const [showStreaks, setShowStreaks] = useState(() => localStorage.getItem('showStreaks') !== 'false');
const theme = useTheme(isDark);
useEffect(() => {
if (isDark) {
document.documentElement.classList.add('dark');
} else {
document.documentElement.classList.remove('dark');
}
localStorage.setItem('darkMode', isDark.toString());
}, [isDark]);
useEffect(() => {
localStorage.setItem('showStreaks', showStreaks.toString());
}, [showStreaks]);
const toggleDarkMode = () => setIsDark(!isDark);
const toggleStreaks = () => setShowStreaks(!showStreaks);
return (
<ThemeContext.Provider value={{ theme, isDark, showStreaks, toggleDarkMode, toggleStreaks }}>
{children}
</ThemeContext.Provider>
);
};
export const useThemeContext = () => {
const context = useContext(ThemeContext);
if (context === undefined) {
throw new Error('useThemeContext must be used within a ThemeProvider');
}
return context;
};

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import { useState } from 'react';
import { Habit } from '../types';
export const useHabits = () => {
const [habits, setHabits] = useState<Habit[]>([]);
const fetchHabits = async () => {
try {
const response = await fetch('http://localhost:5000/api/habits');
const data = await response.json();
setHabits(data);
} catch (error) {
console.error('Error fetching habits:', error);
setHabits([]);
}
};
const addHabit = async (name: string) => {
try {
const response = await fetch('http://localhost:5000/api/habits', {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({ name }),
});
if (response.ok) {
await fetchHabits();
return true;
}
return false;
} catch (error) {
console.error('Error adding habit:', error);
return false;
}
};
const toggleHabit = async (id: number, date: string) => {
try {
await fetch(`http://localhost:5000/api/habits/${id}/toggle`, {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({ date }),
});
await fetchHabits();
} catch (error) {
console.error('Error toggling habit:', error);
}
};
const updateHabit = async (id: number, name: string) => {
try {
await fetch(`http://localhost:5000/api/habits/${id}`, {
method: 'PUT',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({ name }),
});
await fetchHabits();
} catch (error) {
console.error('Error updating habit:', error);
}
};
const deleteHabit = async (id: number) => {
try {
await fetch(`http://localhost:5000/api/habits/${id}`, {
method: 'DELETE',
});
await fetchHabits();
} catch (error) {
console.error('Error deleting habit:', error);
}
};
const updateStreak = async (id: number, newStreak: number) => {
if (newStreak < 0) return;
try {
await fetch(`http://localhost:5000/api/habits/${id}/streak`, {
method: 'PUT',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({ streak: newStreak }),
});
setHabits(habits.map(habit =>
habit.id === id ? { ...habit, manualStreak: newStreak } : habit
));
} catch (error) {
console.error('Error updating streak:', error);
}
};
return {
habits,
fetchHabits,
addHabit,
toggleHabit,
updateHabit,
deleteHabit,
updateStreak
};
};

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import { useState } from 'react';
export const useWeek = () => {
const [currentWeek, setCurrentWeek] = useState<string[]>([]);
const getCurrentWeekDates = () => {
const now = new Date();
const dayOfWeek = now.getDay();
const diff = now.getDate() - dayOfWeek + (dayOfWeek === 0 ? -6 : 1);
const monday = new Date(now.setDate(diff));
return Array.from({ length: 7 }, (_, i) => {
const date = new Date(monday);
date.setDate(monday.getDate() + i);
return date.toISOString().split('T')[0];
});
};
const changeWeek = (direction: 'prev' | 'next') => {
const firstDay = new Date(currentWeek[0]);
const newFirstDay = new Date(firstDay.setDate(firstDay.getDate() + (direction === 'prev' ? -7 : 7)));
setCurrentWeek(Array.from({ length: 7 }, (_, i) => {
const date = new Date(newFirstDay);
date.setDate(newFirstDay.getDate() + i);
return date.toISOString().split('T')[0];
}));
};
return {
currentWeek,
setCurrentWeek,
getCurrentWeekDates,
changeWeek
};
};

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export const lightTheme = {
// Background colors
background: 'bg-[#ffffff]',
cardBackground: 'bg-[#ffffff]',
sidebarBackground: 'bg-[#fbfbfa]',
// Text colors
text: 'text-[#37352f]',
mutedText: 'text-[#787774]',
// Border colors
border: 'border-[#e9e9e8]',
// Interactive elements
button: {
primary: 'bg-[#37352f] text-white hover:bg-[#2f2f2f]',
secondary: 'bg-[#f1f1ef] text-[#37352f] hover:bg-[#e9e9e8]',
icon: 'hover:bg-[#f1f1ef] text-[#37352f]'
},
// Input elements
input: 'bg-[#ffffff] border-[#e9e9e8] focus:border-[#37352f] text-[#37352f]',
// Calendar specific
calendarDay: 'bg-[#ffffff] hover:bg-[#f1f1ef]',
calendarDaySelected: 'bg-[#37352f] text-white',
// Habit list specific
habitItem: 'hover:bg-[#f1f1ef]',
habitCheckbox: 'border-[#e9e9e8] text-[#37352f]',
// Calendar specific (expanded)
calendar: {
background: 'bg-[#ffffff]',
header: 'text-[#37352f]',
weekDay: 'text-[#787774]',
day: {
default: 'bg-[#ffffff] hover:bg-[#f1f1ef] text-[#37352f] shadow-sm',
selected: 'bg-[#37352f] text-white',
today: 'border-[#37352f]',
otherMonth: 'text-[#787774] bg-[#fafafa]'
},
navigation: {
button: 'hover:bg-[#f1f1ef] text-[#37352f]',
icon: 'h-5 w-5 text-[#37352f]'
},
tooltip: {
background: 'bg-[#ffffff]',
border: 'border-[#e9e9e8]',
shadow: 'shadow-lg shadow-[#00000008]'
}
},
// Navigation
nav: {
active: 'bg-[#f1f1ef] text-[#37352f]',
inactive: 'text-[#37352f] hover:bg-[#f1f1ef]'
}
};
export const darkTheme = {
// Background colors
background: 'bg-[#191919]',
cardBackground: 'bg-[#2f2f2f]',
sidebarBackground: 'bg-[#191919]',
// Text colors
text: 'text-[#ffffff]',
mutedText: 'text-[#999999]',
// Border colors
border: 'border-[#393939]',
// Interactive elements
button: {
primary: 'bg-[#ffffff] text-[#191919] hover:bg-[#e6e6e6]',
secondary: 'bg-[#363636] text-[#ffffff] hover:bg-[#424242]',
icon: 'hover:bg-[#363636] text-[#ffffff]'
},
// Input elements
input: 'bg-[#2f2f2f] border-[#393939] focus:border-[#525252] text-[#ffffff]',
// Calendar specific
calendarDay: 'bg-[#2f2f2f] hover:bg-[#363636]',
calendarDaySelected: 'bg-[#ffffff] text-[#191919]',
// Habit list specific
habitItem: 'hover:bg-[#363636]',
habitCheckbox: 'border-[#393939] text-[#ffffff]',
// Calendar specific (expanded)
calendar: {
background: 'bg-[#191919]',
header: 'text-[#ffffff]',
weekDay: 'text-[#999999]',
day: {
default: 'bg-[#2f2f2f] hover:bg-[#363636] text-[#ffffff] shadow-md shadow-[#00000030]',
selected: 'bg-[#ffffff] text-[#191919]',
today: 'border-[#ffffff]',
otherMonth: 'text-[#666666] bg-[#242424]'
},
navigation: {
button: 'hover:bg-[#363636] text-[#ffffff]',
icon: 'h-5 w-5 text-[#ffffff]'
},
tooltip: {
background: 'bg-[#2f2f2f]',
border: 'border-[#393939]',
shadow: 'shadow-lg shadow-[#00000050]'
}
},
// Navigation
nav: {
active: 'bg-[#363636] text-[#ffffff]',
inactive: 'text-[#ffffff] hover:bg-[#363636]'
}
};
export type Theme = typeof lightTheme;
export const useTheme = (isDark: boolean): Theme => {
return isDark ? darkTheme : lightTheme;
};