Chain Module

Public Summary

Manages supermarket chain entities (e.g. Vero, Ramstore) with image association and cascading relationships to markets and products.

Internal Details

Files

Standard CRUD layer: controller, service, routes, schema, model, repository (7 files).

Endpoints

Method	Path	Auth	Description
GET	/chains	Public	List chains (paginated, searchable)
GET	/chains/:id	JWT	Get chain detail
POST	/chains	JWT	Create chain
PUT	/chains/:id	JWT	Update chain
DELETE	/chains/:id	JWT	Delete chain + cascade
GET	/chains/report	JWT	CSV report

Data Model — Chain

name  : String (unique, required)
image : ObjectId → Image (optional)

Virtual: markets — populated via Market.chain back-reference.

Cascade Delete

Deleting a chain removes:

1. All associated Markets linked to the chain.
2. All MarketProduct junction records for those markets.

Source Anchors

Path	Relevance
apps/server/src/modules/chain/	Controller, service, routes, schema, model, repository