📣 Marketing, CRM & Support · C4 Architecture · Pro
Loyalty Programme Platform
A retail loyalty programme: points earned on every purchase in store or online, tiers, rewards redemption and partner offers.
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Drawing diagram…
What this diagram shows
- Points are earned in real time from store and online sales
- Tier status updates automatically
- Redemption is checked for fraud before points are spent
Prompt used
Loyalty platform: members use a mobile app. Store POS and the e-commerce site send purchases to a points engine that applies earning rules and tier multipliers and writes to a points ledger. A tier service upgrades or downgrades members. A rewards catalogue service handles redemption, with a fraud check. Partner brands offer rewards through a partner API.
Mermaid code
C4Container
title Loyalty Programme
Person(member, "Member", "Earns and redeems points")
System_Boundary(lp, "Loyalty Platform") {
Container(app, "Member App", "React Native", "Points, tiers, rewards")
Container(pe, "Points Engine", "Java", "Earning rules and multipliers")
Container(tier, "Tier Service", "Java", "Silver, Gold, Platinum")
Container(rw, "Rewards Service", "Node.js", "Catalogue and redemption")
Container(fraud, "Fraud Check", "Python", "Unusual redemption patterns")
ContainerDb(led, "Points Ledger", "PostgreSQL", "Every earn and burn")
}
System_Ext(pos, "Store POS", "In-store purchases")
System_Ext(ecom, "E-commerce Site", "Online purchases")
System_Ext(partner, "Partner Brands", "Partner rewards")
Rel(member, app, "Uses")
Rel(pos, pe, "Purchase events")
Rel(ecom, pe, "Purchase events")
Rel(pe, led, "Writes points")
Rel(tier, led, "Reads totals")
Rel(app, rw, "Redeems")
Rel(rw, fraud, "Checks")
Rel(rw, led, "Spends points")
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