Reddit MCP Server

/** * @file BRAINLOOP API service for MCP server * @module services/brainloop/brainloop-service * * @remarks * This service provides authenticated access to the BRAINLOOP API for * course management, progress tracking, and user interactions. */ import { logger } from '../../utils/logger.js'; import { CONFIG } from '../../server/config.js'; export interface BrainloopUser { id: string; email: string; name: string; image?: string; role: 'USER' | 'ADMIN' | 'INSTRUCTOR'; createdAt: string; lastLogin?: string; } export interface Course { id: string; title: string; description: string; isPrivate: boolean; createdAt: string; updatedAt: string; userId: string; user: { name: string; email: string; }; _count?: { units: number; enrollments: number; }; } export interface Unit { id: string; title: string; description?: string; order: number; courseId: string; createdAt?: string; updatedAt?: string; _count?: { lessons: number; }; } export interface Lesson { id: string; title: string; content: string; order: number; unitId: string; videoUrl?: string; createdAt?: string; updatedAt?: string; } export interface Progress { id: string; userId: string; lessonId: string; isCompleted: boolean; completedAt?: string; lesson: { title: string; unit: { title: string; course: { title: string; }; }; }; } export interface Enrollment { id: string; userId: string; courseId: string; enrolledAt: string; course: Course; } export interface Track { id: string; title: string; description: string; icon?: string; hero?: string; slug: string; isPrivate: boolean; createdAt: string; updatedAt: string; userId: string; user: { name: string; email: string; }; _count?: { trackCourses: number; enrollments: number; }; trackCourses?: TrackCourse[]; isOwner?: boolean; isEnrolled?: boolean; } export interface TrackCourse { id: string; trackId: string; courseId: string; order: number; createdAt: string; course: Course; } export interface TrackEnrollment { id: string; userId: string; trackId: string; enrolledAt: string; track: Track; } /** * Configuration for BRAINLOOP service authentication */ interface BrainloopAuthConfig { /** User's BRAINLOOP access token */ accessToken: string; /** User ID for API requests */ userId: string; /** Optional callback to refresh access token when it expires */ refreshTokenCallback?: () => Promise<string>; } /** * BRAINLOOP API service with authentication support */ export class BrainloopService { private readonly baseUrl: string; private accessToken: string; private readonly userId: string; private readonly refreshTokenCallback?: () => Promise<string>; constructor(config: BrainloopAuthConfig) { this.baseUrl = CONFIG.BRAINLOOP_API_URL; this.accessToken = config.accessToken; this.userId = config.userId; this.refreshTokenCallback = config.refreshTokenCallback; // Log initialization for debugging logger.debug(`Initialized BRAINLOOP service for user: ${this.userId}`); } /** * Make authenticated request to BRAINLOOP API with automatic token refresh */ private async makeRequest<T>(endpoint: string, options: RequestInit = {}, isRetry = false): Promise<T> { const url = `${this.baseUrl}${endpoint}`; try { logger.info(`🌐 [API REQUEST] ${options.method || 'GET'} ${endpoint}`, { userId: this.userId, url, hasBody: !!options.body }); const response = await fetch(url, { ...options, headers: { 'Authorization': `Bearer ${this.accessToken}`, 'Content-Type': 'application/json', ...options.headers, }, }); // Handle 401 Unauthorized - token might be expired if (response.status === 401 && !isRetry && this.refreshTokenCallback) { const errorText = await response.text(); // Check if it's a token expiration error if (errorText.includes('Invalid access token') || errorText.includes('expired')) { logger.info('Access token expired, attempting refresh', { userId: this.userId }); try { // Refresh the token using the callback const newAccessToken = await this.refreshTokenCallback(); this.accessToken = newAccessToken; logger.info('Access token refreshed successfully', { userId: this.userId }); // Retry the request with the new token (pass isRetry=true to prevent infinite loop) return await this.makeRequest<T>(endpoint, options, true); } catch (refreshError) { logger.error('Failed to refresh access token', { userId: this.userId, error: refreshError instanceof Error ? refreshError.message : String(refreshError), }); throw new Error('Authentication failed: Unable to refresh access token'); } } } if (!response.ok) { const errorText = await response.text(); logger.error(`❌ [API ERROR] ${response.status} ${response.statusText}`, { url, endpoint, status: response.status, error: errorText.substring(0, 500), userId: this.userId }); throw new Error(`BRAINLOOP API error: ${response.status} ${response.statusText}: ${errorText.substring(0, 200)}`); } const data = await response.json() as T; logger.info(`✅ [API SUCCESS] ${options.method || 'GET'} ${endpoint}`, { userId: this.userId, hasData: !!data }); return data; } catch (error) { logger.error(`❌ [API EXCEPTION] ${endpoint}`, { url, userId: this.userId, error: error instanceof Error ? error.message : String(error), stack: error instanceof Error ? error.stack : undefined }); throw error; } } /** * Get user's enrolled courses */ async getMyCourses(): Promise<Course[]> { return this.makeRequest<Course[]>('/mcp/courses/my-courses'); } /** * Get public courses */ async getPublicCourses(): Promise<Course[]> { return this.makeRequest<Course[]>('/mcp/courses?public=true'); } /** * Get course details by ID */ async getCourse(courseId: string): Promise<Course> { return this.makeRequest<Course>(`/mcp/courses/${courseId}`); } /** * Get course units */ async getCourseUnits(courseId: string): Promise<Unit[]> { return this.makeRequest<Unit[]>(`/mcp/courses/${courseId}/units`); } /** * Get unit lessons */ async getUnitLessons(unitId: string): Promise<Lesson[]> { return this.makeRequest<Lesson[]>(`/mcp/units/${unitId}/lessons`); } /** * Get specific lesson */ async getLesson(lessonId: string): Promise<Lesson> { return this.makeRequest<Lesson>(`/mcp/lessons/${lessonId}`); } /** * Get user's progress */ async getProgress(): Promise<Progress[]> { return this.makeRequest<Progress[]>('/mcp/progress'); } /** * Get course progress for user */ async getCourseProgress(courseId: string): Promise<Progress[]> { return this.makeRequest<Progress[]>(`/mcp/courses/${courseId}/progress`); } /** * Mark lesson as complete */ async completeLesson(lessonId: string): Promise<{ success: boolean }> { return this.makeRequest<{ success: boolean }>(`/mcp/lessons/${lessonId}/complete`, { method: 'POST', }); } /** * Enroll in course */ async enrollInCourse(courseId: string): Promise<{ success: boolean }> { return this.makeRequest<{ success: boolean }>(`/mcp/courses/${courseId}/enroll`, { method: 'POST', }); } /** * Search lessons */ async searchLessons(query: string): Promise<Lesson[]> { return this.makeRequest<Lesson[]>(`/mcp/lessons/search?q=${encodeURIComponent(query)}`); } /** * Get user profile */ async getUserProfile(): Promise<BrainloopUser> { return this.makeRequest<BrainloopUser>('/mcp/user/profile'); } /** * Get user analytics */ async getUserAnalytics(): Promise<{ totalLessonsCompleted: number; totalCoursesEnrolled: number; totalTimeSpent: number; streakDays: number; }> { return this.makeRequest('/mcp/user/analytics'); } /** * Create multiple courses in batch */ async createCoursesBatch(courses: Array<{ title: string; description: string; isPrivate?: boolean; }>): Promise<Course[]> { return this.makeRequest<Course[]>('/mcp/courses/batch', { method: 'POST', body: JSON.stringify(courses), }); } /** * Create multiple units in batch */ async createUnitsBatch(courseId: string, units: Array<{ title: string; description: string; order: number; }>): Promise<Unit[]> { return this.makeRequest<Unit[]>(`/mcp/courses/${courseId}/units/batch`, { method: 'POST', body: JSON.stringify(units), }); } /** * Create multiple lessons in batch */ async createLessonsBatch(unitId: string, lessons: Array<{ title: string; content: string; order: number; videoUrl?: string; }>): Promise<Lesson[]> { return this.makeRequest<Lesson[]>(`/mcp/units/${unitId}/lessons/batch`, { method: 'POST', body: JSON.stringify(lessons), }); } /** * Create an interaction for a lesson */ async createInteraction(lessonId: string): Promise<{ id: string; lessonId: string; type: string }> { const response = await this.makeRequest<any>(`/mcp/lessons/${lessonId}/interaction`, { method: 'POST', }); // API returns nested interaction object, extract it return response.interaction || response; } /** * Create a single prompt for an interaction */ async createPrompt(promptData: { interactionId: string; question: string; type: string; options?: string[]; answer?: any; explanation?: string; codeLanguage?: string; codeStarterCode?: string; codeExpectedOutput?: string; codeTestCases?: any; codeTimeLimit?: number; codeMemoryLimit?: number; componentType?: string; componentConfig?: any; componentAnswer?: any; }): Promise<any> { return this.makeRequest<any>('/mcp/prompts', { method: 'POST', body: JSON.stringify(promptData), }); } /** * Create multiple prompts in batch */ async createPromptsBatch(interactionId: string, prompts: Array<{ question: string; type: string; options?: string[]; answer?: any; explanation?: string; codeLanguage?: string; codeStarterCode?: string; componentType?: string; componentConfig?: any; }>): Promise<any> { return this.makeRequest<any>('/mcp/prompts/batch', { method: 'POST', body: JSON.stringify({ interactionId, prompts, }), }); } /** * Get all prompts for a lesson */ async getLessonPrompts(lessonId: string): Promise<any> { return this.makeRequest<any>(`/mcp/lessons/${lessonId}/prompts`); } /** * Update an existing lesson */ async updateLesson(lessonId: string, data: { title?: string; content?: string; videoUrl?: string; }): Promise<any> { return this.makeRequest<any>(`/mcp/lessons/${lessonId}`, { method: 'PUT', body: JSON.stringify(data), }); } /** * Update an existing unit */ async updateUnit(unitId: string, data: { title?: string; description?: string; }): Promise<any> { return this.makeRequest<any>(`/mcp/units/${unitId}`, { method: 'PUT', body: JSON.stringify(data), }); } /** * Detect duplicate units and empty lessons in a course */ async detectDuplicates(courseId: string): Promise<any> { return this.makeRequest<any>(`/mcp/courses/${courseId}/duplicates`); } /** * Clean up empty units from a course */ async cleanupEmptyContent(courseId: string, dryRun: boolean = false): Promise<any> { return this.makeRequest<any>(`/mcp/courses/${courseId}/cleanup`, { method: 'POST', body: JSON.stringify({ dryRun }), }); } /** * Reorder units in a course */ async reorderUnits(courseId: string, unitIds: string[]): Promise<any> { return this.makeRequest<any>(`/mcp/courses/${courseId}/reorder-units`, { method: 'PUT', body: JSON.stringify({ unitIds }), }); } /** * Move a lesson from one unit to another */ async moveLesson(lessonId: string, targetUnitId: string, newOrder?: number): Promise<Lesson> { return this.makeRequest<Lesson>(`/mcp/lessons/${lessonId}/move`, { method: 'POST', body: JSON.stringify({ targetUnitId, newOrder }), }); } /** * Create a new track */ async createTrack(data: { title: string; description: string; icon?: string; hero?: string; isPrivate?: boolean; slug?: string; }): Promise<Track> { return this.makeRequest<Track>('/mcp/tracks', { method: 'POST', body: JSON.stringify(data), }); } /** * Get all tracks for the user */ async getTracks(): Promise<Track[]> { return this.makeRequest<Track[]>('/mcp/tracks'); } /** * Get a specific track by ID */ async getTrack(trackId: string): Promise<Track> { return this.makeRequest<Track>(`/mcp/tracks/${trackId}`); } /** * Add a course to a track */ async addCourseToTrack(trackId: string, courseId: string): Promise<{ trackCourse: TrackCourse; track: Track; }> { return this.makeRequest<{ trackCourse: TrackCourse; track: Track; }>(`/mcp/tracks/${trackId}/courses`, { method: 'POST', body: JSON.stringify({ courseId }), }); } /** * Enroll in a track */ async enrollInTrack(trackId: string): Promise<{ track: Track; message: string; }> { return this.makeRequest<{ track: Track; message: string; }>(`/mcp/tracks/${trackId}/enroll`, { method: 'POST', }); } }