feat: initial api support

shared/build.gradle.kts

@@ -3,6 +3,7 @@ import org.jetbrains.kotlin.gradle.dsl.JvmTarget
 
 plugins {
     alias(libs.plugins.kotlinMultiplatform)
+    alias(libs.plugins.kotlinSerialization)
     alias(libs.plugins.androidLibrary)
 }
 
@@ -19,10 +20,22 @@ kotlin {
     iosSimulatorArm64()
     
     jvm()
-    
+
     sourceSets {
+        androidMain.dependencies {
+            implementation(libs.ktor.client.okhttp)
+        }
         commonMain.dependencies {
+            implementation(libs.okio)
             // put your Multiplatform dependencies here
+            implementation(libs.ktor.client.core)
+            implementation(libs.ktor.client.contentnegotiation)
+            implementation(libs.ktor.serialization.kotlinx.json)
+            implementation(libs.kotlinx.coroutines.core)
+            implementation(libs.kotlinx.serialization.json)
+        }
+        iosMain.dependencies {
+            implementation(libs.ktor.client.darwin)
         }
     }
 }

shared/src/androidMain/kotlin/moe/lava/banksia/Logging.android.kt

@@ -0,0 +1,7 @@
+package moe.lava.banksia
+
+import android.util.Log
+
+actual fun log(tag: String, msg: String) {
+    Log.i(tag, msg)
+}

shared/src/androidMain/kotlin/moe/lava/banksia/Platform.android.kt

@@ -1,9 +0,0 @@
-package moe.lava.banksia
-
-import android.os.Build
-
-class AndroidPlatform : Platform {
-    override val name: String = "Android ${Build.VERSION.SDK_INT}"
-}
-
-actual fun getPlatform(): Platform = AndroidPlatform()

shared/src/commonMain/kotlin/moe/lava/banksia/Constants.kt

@@ -1,3 +0,0 @@
-package moe.lava.banksia
-
-const val SERVER_PORT = 8080

shared/src/commonMain/kotlin/moe/lava/banksia/Constants.kt.skeleton

@@ -0,0 +1,6 @@
+package moe.lava.banksia
+
+object Constants {
+    const val devid: String = ""
+    const val key: String = ""
+}

shared/src/commonMain/kotlin/moe/lava/banksia/Greeting.kt

@@ -1,9 +0,0 @@
-package moe.lava.banksia
-
-class Greeting {
-    private val platform = getPlatform()
-
-    fun greet(): String {
-        return "Hello, ${platform.name}!"
-    }
-}

shared/src/commonMain/kotlin/moe/lava/banksia/Logging.kt

@@ -0,0 +1,3 @@
+package moe.lava.banksia
+
+expect fun log(tag: String, msg: String)

shared/src/commonMain/kotlin/moe/lava/banksia/Platform.kt

@@ -1,7 +0,0 @@
-package moe.lava.banksia
-
-interface Platform {
-    val name: String
-}
-
-expect fun getPlatform(): Platform

shared/src/commonMain/kotlin/moe/lava/banksia/api/ptv/PtvService.kt

@@ -0,0 +1,58 @@
+package moe.lava.banksia.api.ptv
+
+import io.ktor.client.HttpClient
+import io.ktor.client.call.body
+import io.ktor.client.plugins.HttpSend
+import io.ktor.client.plugins.contentnegotiation.ContentNegotiation
+import io.ktor.client.plugins.defaultRequest
+import io.ktor.client.plugins.plugin
+import io.ktor.client.request.get
+import io.ktor.client.request.parameter
+import io.ktor.http.encodedPath
+import io.ktor.serialization.kotlinx.json.json
+import kotlinx.io.bytestring.encodeToByteString
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
+import kotlinx.serialization.json.Json
+import moe.lava.banksia.Constants
+import moe.lava.banksia.log
+import okio.ByteString.Companion.encodeUtf8
+
+@Serializable
+data class Route(
+    @SerialName("route_id") val routeId: Int,
+    @SerialName("route_number") val routeNumber: String,
+    @SerialName("route_name") val routeName: String,
+)
+
+@Serializable
+data class RouteResponse(val routes: List<Route>)
+
+class PtvService {
+    private val client = HttpClient() {
+        install(ContentNegotiation) {
+            json(Json {
+                ignoreUnknownKeys = true
+            })
+        }
+        defaultRequest {
+            url("https://timetableapi.ptv.vic.gov.au/v3/")
+        }
+    }
+
+    constructor() {
+        client.plugin(HttpSend).intercept { req ->
+            req.parameter("devid", Constants.devid)
+            val fullPath = req.url.build().encodedPathAndQuery
+            val hash = fullPath.encodeUtf8().hmacSha1(Constants.key.encodeUtf8()).hex()
+            req.parameter("signature", hash)
+            log("ktor.intercept", req.url.build().encodedPathAndQuery)
+            execute(req)
+        }
+    }
+
+    suspend fun routes(): List<Route> {
+        val response: RouteResponse = client.get("routes").body()
+        return response.routes
+    }
+}

shared/src/iosMain/kotlin/moe/lava/banksia/Logging.ios.kt

@@ -0,0 +1,5 @@
+package moe.lava.banksia
+
+actual fun log(tag: String, msg: String) {
+    TODO("Not yet implemented")
+}

shared/src/iosMain/kotlin/moe/lava/banksia/Platform.ios.kt

@@ -1,9 +0,0 @@
-package moe.lava.banksia
-
-import platform.UIKit.UIDevice
-
-class IOSPlatform: Platform {
-    override val name: String = UIDevice.currentDevice.systemName() + " " + UIDevice.currentDevice.systemVersion
-}
-
-actual fun getPlatform(): Platform = IOSPlatform()

shared/src/jvmMain/kotlin/moe/lava/banksia/Logging.jvm.kt

@@ -0,0 +1,5 @@
+package moe.lava.banksia
+
+actual fun log(tag: String, msg: String) {
+    println("[$tag] $msg")
+}

shared/src/jvmMain/kotlin/moe/lava/banksia/Platform.jvm.kt

@@ -1,7 +0,0 @@
-package moe.lava.banksia
-
-class JVMPlatform: Platform {
-    override val name: String = "Java ${System.getProperty("java.version")}"
-}
-
-actual fun getPlatform(): Platform = JVMPlatform()