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Core Microservice

Progress Tracking Service

Real-time learning analytics, completion tracking, skill mastery monitoring, personalized learning paths, and intelligent recommendation engine for adaptive learning experiences.

Requirements Document

1. Functional Requirements

1.1 Learning Progress Tracking

REQ-PROGRESS-001: Lesson Completion Tracking

System must track individual lesson completion status (not started, in progress, completed) with timestamps

REQ-PROGRESS-002: Time Spent Tracking

Track actual time spent on each lesson, module, and course with automatic time logging

REQ-PROGRESS-003: Progress Percentage

Calculate and display progress percentage at lesson, module, and course levels automatically

REQ-PROGRESS-004: Last Access Tracking

Record last accessed timestamp for courses to show recent activity and resume points

REQ-PROGRESS-005: Multi-Attempt Support

Support multiple attempts for lessons and courses, tracking each attempt separately

REQ-PROGRESS-006: Video Progress Tracking

Track video playback position to allow users to resume from where they left off

REQ-PROGRESS-007: Sequential Progress Enforcement

Enforce sequential lesson completion when configured (must complete lesson N before N+1)

1.2 Assessment & Score Tracking

REQ-SCORE-001: Quiz Score Recording

Record quiz/assessment scores with timestamp, attempt number, and score percentage

REQ-SCORE-002: Pass/Fail Criteria

Support configurable passing scores and automatically determine pass/fail status

REQ-SCORE-003: Best Score Tracking

Track best score across multiple attempts for each assessment

REQ-SCORE-004: Assignment Grading Integration

Integrate with Assessment Engine to receive and store assignment grades and feedback

REQ-SCORE-005: Course Final Grade

Calculate overall course grade based on weighted assessments and completion

1.3 Learning Path Progress

REQ-PATH-001: Learning Path Tracking

Track progress through learning paths showing completed courses and remaining courses

REQ-PATH-002: Path Completion Criteria

Define and validate completion criteria for learning paths (all courses, minimum score, etc.)

REQ-PATH-003: Path Progress Visualization

Provide visual progress indicators for learning paths (timeline, progress bars, milestones)

REQ-PATH-004: Estimated Time to Complete

Calculate and display estimated time remaining for learning path completion

1.4 Skill Mastery & Competency Tracking

REQ-SKILL-001: Skill Association

Associate courses and lessons with specific skills or competencies

REQ-SKILL-002: Skill Level Tracking

Track learner skill levels (beginner, intermediate, advanced, expert) based on completion and performance

REQ-SKILL-003: Skill Gap Analysis

Identify skill gaps by comparing current skills with target role requirements

REQ-SKILL-004: Skill Endorsements

Allow instructors/managers to endorse learner skills based on performance

REQ-SKILL-005: Skill Expiry & Recertification

Support skill expiration dates and recertification requirements for compliance

1.5 Analytics & Reporting

REQ-ANALYTICS-001: Individual Learner Dashboard

Provide personalized dashboard showing enrolled courses, progress, achievements, and recommendations

REQ-ANALYTICS-002: Instructor Analytics

Show instructors learner engagement, completion rates, average scores, and drop-off points

REQ-ANALYTICS-003: Admin Reports

Generate organization-wide reports: enrollment trends, completion rates, popular courses, user engagement

REQ-ANALYTICS-004: Learning Velocity

Track learning velocity metrics (courses per month, time to completion vs average)

REQ-ANALYTICS-005: Engagement Metrics

Track daily/weekly active users, session duration, content interaction patterns

REQ-ANALYTICS-006: Export Capabilities

Export progress and analytics data in CSV, Excel, and PDF formats for external analysis

1.6 Recommendations & Personalization

REQ-RECOMMEND-001: Next Course Recommendations

Recommend next courses based on completed courses, skill gaps, and learning goals

REQ-RECOMMEND-002: Similar Learner Paths

Suggest courses based on what similar learners with comparable profiles have completed

REQ-RECOMMEND-003: Learning Goal Alignment

Align recommendations with learner-defined goals and career aspirations

REQ-RECOMMEND-004: Adaptive Learning Paths

Dynamically adjust learning path difficulty based on performance and engagement

REQ-RECOMMEND-005: Content Prioritization

Prioritize content recommendations based on urgency (certification deadlines, skill expiry)

1.7 Achievements & Gamification

REQ-GAMIFY-001: Badge Awards

Award badges for milestones (first course, 5 courses, 100% score, learning streak)

REQ-GAMIFY-002: Points & Leaderboards

Award points for activities and maintain organization-level leaderboards

REQ-GAMIFY-003: Learning Streaks

Track consecutive days of learning activity and reward consistency

REQ-GAMIFY-004: Certificate Generation

Auto-generate completion certificates with verification codes for sharing

2. Non-Functional Requirements

2.1 Performance Requirements

REQ-PERF-001: Real-Time Progress Updates

Progress updates must be reflected in dashboard within 2 seconds of completion

REQ-PERF-002: Dashboard Load Time

Learner dashboard must load within 1 second with progress data for 20+ enrolled courses

REQ-PERF-003: Analytics Query Performance

Organization-wide analytics queries must complete within 3 seconds for 10,000 users

REQ-PERF-004: Concurrent Tracking

Support 100,000+ concurrent learners tracking progress without performance degradation

2.2 Scalability Requirements

REQ-SCALE-001: Progress Records Volume

Support 100M+ progress records per organization with efficient querying

REQ-SCALE-002: Historical Data Retention

Maintain 5+ years of historical progress data with archival strategies

REQ-SCALE-003: Data Aggregation

Use materialized views or caching for frequently accessed aggregate data

2.3 Data Accuracy & Integrity

REQ-DATA-001: Progress Accuracy

Progress calculations must be 100% accurate with no duplicate or missing completions

REQ-DATA-002: Audit Trail

Maintain immutable audit trail of all progress events for compliance and dispute resolution

REQ-DATA-003: Data Consistency

Ensure atomic updates for related progress records (lesson + module + course)

2.4 Security & Privacy

REQ-SEC-001: Multi-Tenant Isolation

Strictly enforce data isolation - learners can only view their own progress data

REQ-SEC-002: Role-Based Access

Implement RBAC for viewing/editing progress (learners, instructors, admins have different access)

REQ-SEC-003: Data Encryption

Encrypt sensitive learner data at rest and in transit

2.5 Availability & Reliability

REQ-AVAIL-001: Service Uptime

Maintain 99.9% uptime for progress tracking service

REQ-AVAIL-002: Data Backup

Perform automated daily backups with point-in-time recovery capability

REQ-AVAIL-003: Graceful Degradation

Continue tracking progress even if recommendation engine or analytics are temporarily unavailable

3. Integration Requirements

REQ-INT-001: Course Management Integration

Sync with Course Management Service for course structure, lessons, and enrollment data

REQ-INT-002: Assessment Integration

Receive quiz scores and assignment grades from Assessment Engine Service

REQ-INT-003: User Service Integration

Validate learner and instructor IDs against User Management Service

REQ-INT-004: Certificate Service Integration

Trigger certificate generation upon course or learning path completion

REQ-INT-005: Notification Integration

Send notifications for milestones, achievements, and recommendations

REQ-INT-006: Analytics Service Integration

Export progress data to Analytics Service for advanced reporting and data science

REQ-INT-007: Gamification Integration

Integrate with Gamification Service for badge awards and point calculations

Requirements Validation

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 to ensure complete coverage.

Key Validation Points: Multi-tenant isolation (organization_id), Progress tracking completeness, Score recording accuracy, Learning path tracking, Skill mastery data model, Analytics aggregation strategy, Recommendation algorithm support, Audit trail implementation