Notes

Errors that prevent the app from running

• To get the app to run I changed the main entry in the package.json. This was pointing to a non-existing file before, so I pointed it to the index.tsx.

• I analysed the native code and tried to build both the android and ios folders using Android Studio and Xcode respectively in an effort to circumvent Expo CNG. However, I couldn't get the builds to fail or find any runtime error. The native code seems to be purely auto-generated code that bridges between the native app and React Native.

Refactoring

Types

• I added a new User type. For this demo it only contains an id but more properties could be added.
• I added a new ConsentAgreement type such that the consent agreements are not inherently linked to patients. This way we can use the same type for users as well.
• To distinguish between patient consents and user consents, I created the PatientConsents and UserConsents types, which contain the patient/user id and their corresponding ConsentAgreement[].

API

• To add types to the API but keep the functions for reading/writing data generic, I chose to make the generic functions private (e.g. not export the from the api module) and export typed verions of those functions.

UI

• To make the UI for displaying and editing consents reusable, such that we can use it for both patients and users, I encapsulated this functionality in a Consents component.