[Solved] You want to design a REST API for an order system with states:... How should you use action links to allow clients to move orders from "pending" to "approved" and then to "shipped"? | Rest API

Rest API - HATEOAS and Linking

You want to design a REST API for an order system with states: "pending", "approved", "shipped". How should you use action links to allow clients to move orders from "pending" to "approved" and then to "shipped"?

ADo not use action links; clients guess next steps

BAlways include both "approve" and "ship" action links regardless of state

CInclude action links only in the initial "pending" state

DInclude an "approve" action link only when state is "pending", and a "ship" action link only when state is "approved"

Step-by-Step Solution

Solution:

Step 1: Understand state-dependent actions
Action links should reflect valid next steps only for the current state.
Step 2: Apply to order states
When "pending", client can "approve"; when "approved", client can "ship"; no invalid actions shown.
Final Answer:
Include an "approve" action link only when state is "pending", and a "ship" action link only when state is "approved" -> Option D
Quick Check:
Action links depend on current state [OK]

Quick Trick: Show only valid next actions as links per state [OK]

Common Mistakes:

Showing all actions regardless of state
Not providing any action links
Letting clients guess next steps

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More Rest API Quizzes

How should you use action links to allow clients to move orders from "pending" to "approved" and then to "shipped"?

Step 1: Understand state-dependent actions

Step 2: Apply to order states

Final Answer:

Quick Check:

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