PuntoFeria Sales Invoice and Payment Tracking

シナリオ

Designing a UML class diagram for a point-of-sale and invoice management system used in a traditional market/fair (PuntoFeria) to track sales invoices and payments.

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Modeled Invoice as composed of InvoiceItems referencing Products

Linked Payment to Invoice with optional multiplicity to allow partial or multiple payments

Used a simple attribute for payment method instead of a separate enum class

When building a sales invoicing and payment module for small retail or market-based POS applications.

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PuntoFeria Sales Invoice and Payment Tracking – UML Class Diagram

図の背後にある意思決定を読み解く。