What: Add an admin endpoint that returns enrollment trends for a specific course over time.
Why: Course creators need to understand enrollment patterns to optimize marketing and content updates.
Scope: Create endpoint that queries enrollments grouped by day/week/month. Return time series data with enrollment counts. Support different time ranges (7d, 30d, 90d).
Acceptance criteria:
- Returns enrollment trends over time
- Supports different time ranges
- Includes daily/weekly/monthly granularity
- Cached for 1 hour
Technical context: src/database/schema.ts:63-84 — enrollments table. src/modules/courses/course.service.ts — course queries.
What: Add an admin endpoint that returns enrollment trends for a specific course over time.
Why: Course creators need to understand enrollment patterns to optimize marketing and content updates.
Scope: Create endpoint that queries enrollments grouped by day/week/month. Return time series data with enrollment counts. Support different time ranges (7d, 30d, 90d).
Acceptance criteria:
Technical context:
src/database/schema.ts:63-84— enrollments table.src/modules/courses/course.service.ts— course queries.