Models (database shapes)

Path: hono-backend/src/models/

A model is a Mongoose schema: fields, types, indexes, collection name.

MongoDB stores documents (JSON-like objects).
Models are molds that say “every user document must have email, name, …”.

Folder layout

models/
  user.model.ts
  refresh-token.model.ts
  practice-pyq/          ← PYQ bank + user SRS cards
  current-affairs/       ← daily issues, MCQs, bookmarks, jobs
  user-study-stats/      ← attempt events & rollups
  notification-*.ts
  video*.ts, question.model.ts, …

Rules for models

• Describe shape and indexes
• Avoid HTTP or business workflows
• Use sub-schemas for reuse (localized-text.schema.ts)

Group guides

• User & auth
• Practice PYQ
• Current affairs
• Notifications
• YouTube & content
• Study stats

Full file list

See Every file (A–Z) → models-* pages (auto-generated from source comments).