Add src/app/lib/storage/workoutStorage.ts
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309
src/app/lib/storage/workoutStorage.ts
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309
src/app/lib/storage/workoutStorage.ts
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/**
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* Workout and metrics data persistence layer
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* Handles saving and retrieving workout data from localStorage
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*/
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export interface WorkoutSet {
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reps: number;
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weight: number;
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timestamp: number;
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}
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export interface WorkoutSession {
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id: string;
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exerciseName: string;
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date: string;
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sets: WorkoutSet[];
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duration: number; // in seconds
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caloriesBurned: number;
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notes?: string;
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}
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export interface CardioSession {
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id: string;
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type: 'running' | 'walking' | 'cycling';
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date: string;
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distance: number; // in km
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duration: number; // in seconds
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caloriesBurned: number;
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pace: number; // km/h
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steps?: number;
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route?: string;
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}
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export interface NutritionLog {
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id: string;
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date: string;
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calories: number;
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protein: number;
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carbs: number;
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fats: number;
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meals: string[];
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}
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export interface UserMetrics {
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totalWorkouts: number;
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totalCardioDistance: number;
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totalCaloriesBurned: number;
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currentStreak: number;
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personalRecords: Record<string, number>;
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lastUpdated: number;
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}
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const STORAGE_KEYS = {
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WORKOUT_SESSIONS: 'fitflow_workout_sessions',
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CARDIO_SESSIONS: 'fitflow_cardio_sessions',
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NUTRITION_LOGS: 'fitflow_nutrition_logs',
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USER_METRICS: 'fitflow_user_metrics',
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};
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/**
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* Save a workout session to localStorage
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*/
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export const saveWorkoutSession = (session: WorkoutSession): void => {
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if (typeof window === 'undefined') return;
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try {
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const sessions = getWorkoutSessions();
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sessions.push(session);
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localStorage.setItem(STORAGE_KEYS.WORKOUT_SESSIONS, JSON.stringify(sessions));
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updateUserMetrics();
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} catch (error) {
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console.error('Error saving workout session:', error);
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}
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};
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/**
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* Get all workout sessions from localStorage
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*/
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export const getWorkoutSessions = (): WorkoutSession[] => {
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if (typeof window === 'undefined') return [];
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try {
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const data = localStorage.getItem(STORAGE_KEYS.WORKOUT_SESSIONS);
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return data ? JSON.parse(data) : [];
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} catch (error) {
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console.error('Error retrieving workout sessions:', error);
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return [];
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}
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};
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/**
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* Save a cardio session to localStorage
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*/
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export const saveCardioSession = (session: CardioSession): void => {
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if (typeof window === 'undefined') return;
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try {
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const sessions = getCardioSessions();
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sessions.push(session);
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localStorage.setItem(STORAGE_KEYS.CARDIO_SESSIONS, JSON.stringify(sessions));
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updateUserMetrics();
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} catch (error) {
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console.error('Error saving cardio session:', error);
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}
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};
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/**
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* Get all cardio sessions from localStorage
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*/
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export const getCardioSessions = (): CardioSession[] => {
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if (typeof window === 'undefined') return [];
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try {
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const data = localStorage.getItem(STORAGE_KEYS.CARDIO_SESSIONS);
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return data ? JSON.parse(data) : [];
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} catch (error) {
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console.error('Error retrieving cardio sessions:', error);
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return [];
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}
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};
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/**
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* Save a nutrition log to localStorage
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*/
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export const saveNutritionLog = (log: NutritionLog): void => {
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if (typeof window === 'undefined') return;
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try {
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const logs = getNutritionLogs();
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logs.push(log);
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localStorage.setItem(STORAGE_KEYS.NUTRITION_LOGS, JSON.stringify(logs));
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updateUserMetrics();
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} catch (error) {
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console.error('Error saving nutrition log:', error);
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}
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};
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/**
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* Get all nutrition logs from localStorage
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*/
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export const getNutritionLogs = (): NutritionLog[] => {
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if (typeof window === 'undefined') return [];
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try {
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const data = localStorage.getItem(STORAGE_KEYS.NUTRITION_LOGS);
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return data ? JSON.parse(data) : [];
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} catch (error) {
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console.error('Error retrieving nutrition logs:', error);
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return [];
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}
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};
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/**
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* Get user metrics from localStorage
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*/
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export const getUserMetrics = (): UserMetrics => {
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if (typeof window === 'undefined') {
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return {
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totalWorkouts: 0,
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totalCardioDistance: 0,
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totalCaloriesBurned: 0,
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currentStreak: 0,
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personalRecords: {},
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lastUpdated: Date.now(),
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};
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}
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try {
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const data = localStorage.getItem(STORAGE_KEYS.USER_METRICS);
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return data
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? JSON.parse(data)
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: {
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totalWorkouts: 0,
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totalCardioDistance: 0,
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totalCaloriesBurned: 0,
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currentStreak: 0,
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personalRecords: {},
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lastUpdated: Date.now(),
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};
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} catch (error) {
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console.error('Error retrieving user metrics:', error);
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return {
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totalWorkouts: 0,
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totalCardioDistance: 0,
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totalCaloriesBurned: 0,
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currentStreak: 0,
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personalRecords: {},
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lastUpdated: Date.now(),
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};
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}
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};
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/**
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* Update user metrics based on saved sessions
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*/
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export const updateUserMetrics = (): void => {
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if (typeof window === 'undefined') return;
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try {
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const workoutSessions = getWorkoutSessions();
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const cardioSessions = getCardioSessions();
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const nutritionLogs = getNutritionLogs();
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let totalWorkouts = workoutSessions.length;
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let totalCardioDistance = cardioSessions.reduce((sum, session) => sum + session.distance, 0);
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let totalCaloriesBurned = workoutSessions.reduce((sum, session) => sum + session.caloriesBurned, 0)
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+ cardioSessions.reduce((sum, session) => sum + session.caloriesBurned, 0);
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// Calculate streak (consecutive days with activity)
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const currentStreak = calculateStreak([...workoutSessions, ...cardioSessions]);
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// Extract personal records from workouts
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const personalRecords: Record<string, number> = {};
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workoutSessions.forEach((session) => {
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const maxWeight = Math.max(...session.sets.map((s) => s.weight));
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const key = `${session.exerciseName}_pr`;
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if (!personalRecords[key] || maxWeight > personalRecords[key]) {
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personalRecords[key] = maxWeight;
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}
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});
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const metrics: UserMetrics = {
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totalWorkouts,
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totalCardioDistance,
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totalCaloriesBurned,
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currentStreak,
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personalRecords,
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lastUpdated: Date.now(),
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};
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localStorage.setItem(STORAGE_KEYS.USER_METRICS, JSON.stringify(metrics));
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} catch (error) {
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console.error('Error updating user metrics:', error);
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}
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};
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/**
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* Calculate consecutive days with activity
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*/
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const calculateStreak = (sessions: Array<WorkoutSession | CardioSession>): number => {
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if (sessions.length === 0) return 0;
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const dates = sessions.map((session) => new Date(session.date).toDateString()).filter((date, index, self) => self.indexOf(date) === index).sort((a, b) => new Date(b).getTime() - new Date(a).getTime());
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let streak = 1;
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for (let i = 1; i < dates.length; i++) {
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const currentDate = new Date(dates[i]);
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const previousDate = new Date(dates[i - 1]);
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const diffTime = Math.abs(previousDate.getTime() - currentDate.getTime());
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const diffDays = Math.ceil(diffTime / (1000 * 60 * 60 * 24));
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if (diffDays === 1) {
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streak++;
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} else {
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break;
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}
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}
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return streak;
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};
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/**
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* Clear all stored data
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*/
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export const clearAllData = (): void => {
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if (typeof window === 'undefined') return;
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try {
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localStorage.removeItem(STORAGE_KEYS.WORKOUT_SESSIONS);
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localStorage.removeItem(STORAGE_KEYS.CARDIO_SESSIONS);
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localStorage.removeItem(STORAGE_KEYS.NUTRITION_LOGS);
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localStorage.removeItem(STORAGE_KEYS.USER_METRICS);
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} catch (error) {
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console.error('Error clearing data:', error);
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}
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};
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/**
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* Export data as JSON for backup
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*/
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export const exportData = (): string => {
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const data = {
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workouts: getWorkoutSessions(),
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cardio: getCardioSessions(),
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nutrition: getNutritionLogs(),
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metrics: getUserMetrics(),
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exportDate: new Date().toISOString(),
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};
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return JSON.stringify(data, null, 2);
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};
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/**
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* Import data from JSON backup
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*/
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export const importData = (jsonData: string): boolean => {
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if (typeof window === 'undefined') return false;
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try {
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const data = JSON.parse(jsonData);
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if (data.workouts) localStorage.setItem(STORAGE_KEYS.WORKOUT_SESSIONS, JSON.stringify(data.workouts));
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if (data.cardio) localStorage.setItem(STORAGE_KEYS.CARDIO_SESSIONS, JSON.stringify(data.cardio));
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if (data.nutrition) localStorage.setItem(STORAGE_KEYS.NUTRITION_LOGS, JSON.stringify(data.nutrition));
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if (data.metrics) localStorage.setItem(STORAGE_KEYS.USER_METRICS, JSON.stringify(data.metrics));
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return true;
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} catch (error) {
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console.error('Error importing data:', error);
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return false;
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}
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};
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