A powerful microservice for creating, organizing, and managing courses with hierarchical content structure, prerequisites, learning paths, and multi-tenant support.
REQ-COURSE-001: Course Creation
Instructors must be able to create courses with title, description, thumbnail, category, level (beginner, intermediate, advanced), and language
REQ-COURSE-002: Multi-Tenant Isolation
Courses must be isolated per organization, with each course belonging to exactly one organization
REQ-COURSE-003: Course Status
Support course lifecycle states: draft, published, archived, under review
REQ-COURSE-004: Course Metadata
Track estimated duration, difficulty level, tags, instructor assignment, and custom JSONB fields for extensibility
REQ-COURSE-005: Course Slug
Auto-generate unique, SEO-friendly slugs for courses (unique per organization)
REQ-COURSE-006: Course Updates
Track creation and last update timestamps with audit trail support
REQ-COURSE-007: Course Search & Filtering
Support filtering courses by category, level, language, instructor, and search by title/description
REQ-MODULE-001: Module Creation
Courses must support hierarchical organization into modules/sections with title, description, and order
REQ-MODULE-002: Module Ordering
Modules must have explicit ordering (order_index) to define sequence within a course
REQ-MODULE-003: Module Reordering
Instructors must be able to drag-and-drop or manually reorder modules
REQ-MODULE-004: Module Duration
Auto-calculate total module duration based on sum of lesson durations
REQ-LESSON-001: Lesson Creation
Modules must contain multiple lessons with title, content type, content URL, duration, and description
REQ-LESSON-002: Content Types
Support multiple content types: video, text, quiz, assignment, live_session, scorm, pdf, interactive
REQ-LESSON-003: Lesson Ordering
Lessons must have explicit ordering within each module to define learning sequence
REQ-LESSON-004: Free Preview
Instructors must be able to mark lessons as "free preview" for non-enrolled students
REQ-LESSON-005: Lesson Content Storage
Support both external URLs (YouTube, Vimeo) and internal content references (blob storage)
REQ-LESSON-006: Lesson Metadata
Store additional lesson metadata in JSONB fields (transcripts, resources, attachments)
REQ-PREREQ-001: Course Prerequisites
Courses must support prerequisite relationships (Course A requires completion of Course B first)
REQ-PREREQ-002: Multiple Prerequisites
A course can have multiple prerequisite courses that must all be completed
REQ-PREREQ-003: Circular Dependency Prevention
System must prevent circular prerequisite relationships (A → B → A)
REQ-PREREQ-004: Prerequisite Checking
System must validate prerequisite completion before allowing course enrollment
REQ-PATH-001: Learning Path Creation
Instructors must be able to create learning paths that group multiple courses into guided curricula
REQ-PATH-002: Course Ordering in Paths
Courses within a learning path must have explicit ordering to define progression
REQ-PATH-003: Path Metadata
Learning paths must have title, description, estimated duration, and level
REQ-PATH-004: Path Completion
Track learner progress through learning paths and issue certificates upon completion
REQ-ENROLL-001: Self Enrollment
Learners must be able to self-enroll in published courses if prerequisites are met
REQ-ENROLL-002: Bulk Enrollment
Admins must be able to bulk enroll users into courses via CSV or API
REQ-ENROLL-003: Enrollment Status
Track enrollment status: active, completed, dropped, expired
REQ-ENROLL-004: Progress Tracking
Track learner progress: enrollment date, last access, completion date, progress percentage
REQ-PERF-001: Course Listing Response Time
Course catalog pages must load within 500ms for paginated results (50 courses)
REQ-PERF-002: Content Delivery
Course content (lessons) must be retrievable within 200ms with proper caching
REQ-PERF-003: Concurrent Learners
System must support 50,000+ concurrent learners accessing course content
REQ-PERF-004: Search Performance
Full-text search across courses must return results within 300ms
REQ-SCALE-001: Course Volume
System must support at least 10,000 courses per organization without performance degradation
REQ-SCALE-002: Hierarchical Content
Support courses with up to 50 modules and 500 lessons without query performance issues
REQ-SCALE-003: Multi-Tenant Scaling
System must efficiently handle 1,000+ organizations with isolated data
REQ-DATA-001: Referential Integrity
All foreign key relationships must be enforced with proper cascade rules
REQ-DATA-002: Data Isolation
Multi-tenant data must be completely isolated with organization_id in all queries
REQ-DATA-003: Audit Trail
Track all course, module, and lesson changes with timestamps and user attribution
REQ-UX-001: API Design
Provide RESTful APIs with consistent naming, proper HTTP methods, and comprehensive documentation
REQ-UX-002: Error Handling
Return meaningful error messages with proper HTTP status codes and validation details
REQ-UX-003: Pagination
All list endpoints must support pagination with configurable page size
REQ-INT-001: User Service Integration
Validate instructor and learner IDs against User Management Service
REQ-INT-002: Content Delivery Integration
Integrate with Content Delivery Service for video streaming and file storage
REQ-INT-003: Assessment Integration
Link lessons of type "quiz" to Assessment Engine Service
REQ-INT-004: Analytics Integration
Send course interaction events to Analytics Service for reporting
REQ-INT-005: Notification Integration
Trigger notifications on course enrollment, new content, and completion
Use the Database Design page to validate that all requirements are properly implemented in the data model. Cross-reference each requirement ID with corresponding database tables, columns, and constraints.
Review Database Design