Health & Fitness Coach MCP

import { WorkoutEntry, NutritionEntry, FeedbackEntry, WeeklyTarget } from '../types/entries'; import { CombinedContext } from '../types/context'; /** * In-memory storage for user health and fitness data * Maintains separate arrays per user for workouts, nutrition, feedback, and weekly targets */ export class MemoryStore { private userWorkouts: Map<string, WorkoutEntry[]> = new Map(); private userNutrition: Map<string, NutritionEntry[]> = new Map(); private userFeedback: Map<string, FeedbackEntry[]> = new Map(); private userTargets: Map<string, WeeklyTarget> = new Map(); /** * Add a new entry for a user * @param userId - Unique user identifier * @param entry - The entry to add (workout, nutrition, or feedback) */ addEntry(userId: string, entry: WorkoutEntry | NutritionEntry | FeedbackEntry): void { if ('type' in entry && 'duration' in entry) { // WorkoutEntry const workouts = this.userWorkouts.get(userId) || []; workouts.push(entry as WorkoutEntry); this.userWorkouts.set(userId, workouts); } else if ('meal' in entry && 'items' in entry && 'calories' in entry) { // NutritionEntry const nutrition = this.userNutrition.get(userId) || []; nutrition.push(entry as NutritionEntry); this.userNutrition.set(userId, nutrition); } else if ('notes' in entry) { // FeedbackEntry const feedback = this.userFeedback.get(userId) || []; feedback.push(entry as FeedbackEntry); this.userFeedback.set(userId, feedback); } } /** * Get the complete context for a user * @param userId - Unique user identifier * @returns Combined context with all user data */ getContext(userId: string): CombinedContext { return { workouts: this.userWorkouts.get(userId) || [], nutrition: this.userNutrition.get(userId) || [], feedback: this.userFeedback.get(userId) || [], weeklyTarget: this.userTargets.get(userId), }; } /** * Set weekly target for a user * @param userId - Unique user identifier * @param target - The weekly target to set */ setWeeklyTarget(userId: string, target: WeeklyTarget): void { this.userTargets.set(userId, target); } } // Export singleton instance export const memoryStore = new MemoryStore();