Last active
March 16, 2022 02:02
-
-
Save oharaandrew314/90e79df414eb55aa4a5b6168831eda34 to your computer and use it in GitHub Desktop.
hexagonal-clients-original
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| class CatUi(private val cats: ClientV1) { | |
| fun renderCatHtml(id: Int): String { | |
| val cat = cats[id] ?: return "<h1>Cat $id not found</h1>" | |
| val isBrown = if (cat.brown) "Yes" else "No" | |
| val isGrey = if (cat.grey) "Yes" else "No" | |
| val latestAppointment = cat.appointments.maxOrNull() | |
| return """ | |
| <html><body> | |
| <h1>${cat.name}</h1> | |
| <h2>Owner: ${cat.ownerId}</h2> | |
| <b>Is Brown:</b> $isBrown<br/> | |
| <b>Is Grey:</b> $isGrey<br/> | |
| <b>Breed:</b> ${cat.breed}<br/> | |
| <b>Latest Appointment:</b> $latestAppointment<br/> | |
| </body></html> | |
| """ | |
| } | |
| } | |
| fun main() { | |
| val client = ClientV1("http://catdocs.com") | |
| val ui = CatUi(client) | |
| println(ui.renderCatHtml(123)) | |
| } |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| data class Cat( | |
| val id: Int, | |
| val name: String, | |
| val ownerId: Int, | |
| val ownerName: String, | |
| val brown: Boolean, | |
| val grey: Boolean, | |
| val breed: Breed?, | |
| val appointments: List<Instant> | |
| ) | |
| enum class Breed { persian, american_short_hair, maine_coon } |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| class ClientV1(host: String) { | |
| private val backend = ClientFilters.SetHostFrom(Uri.of(host)) | |
| .then(JavaHttpClient()) | |
| operator fun get(id: Int): Cat? { | |
| val request = Request(Method.GET, "api/cats?cat_id=$id") | |
| val response = backend(request) | |
| if (!response.status.successful) throw IOException("Error getting cat: $response") | |
| val body = response.bodyString() | |
| if (body.isEmpty()) return null | |
| val props = Properties() | |
| body.reader().use { reader -> | |
| props.load(reader) | |
| } | |
| return Cat( | |
| id = id, | |
| name = props.getProperty("name"), | |
| ownerId = props.getProperty("owner_id").toInt(), | |
| ownerName = props.getProperty("owner_name"), | |
| brown = props.getProperty("brown") == "1", | |
| grey = props.getProperty("grey") == "1", | |
| breed = Breed.valueOf(props.getProperty("breed")), | |
| appointments = props.getProperty("appointments") | |
| .split(",") | |
| .map { Instant.ofEpochSecond(it.toLong()) } | |
| ) | |
| } | |
| } |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment