feat: Add basic server implementation

6 files changed, 135 insertions, 0 deletions

diff --git a/server/core/build.gradle.kts b/server/core/build.gradle.kts
new file mode 100644
index 0000000..87f613a
--- /dev/null
+++ b/server/core/build.gradle.kts
@@ -0,0 +1,31 @@
+plugins {
+	kotlin("jvm")
+	kotlin("plugin.serialization")
+	application
+}
+
+val ktor_version = "3.0.3"
+
+dependencies {
+	implementation(platform("io.ktor:ktor-bom:$ktor_version"))
+	implementation("io.ktor:ktor-server-netty")
+	implementation("io.ktor:ktor-server-status-pages")
+	implementation("io.ktor:ktor-server-content-negotiation")
+	implementation("io.ktor:ktor-server-openapi")
+	implementation("io.ktor:ktor-serialization-kotlinx-json")
+	implementation("io.ktor:ktor-server-compression")
+	implementation(project(":database:impl"))
+
+	runtimeOnly("ch.qos.logback:logback-classic:1.5.16")
+	runtimeOnly("org.xerial:sqlite-jdbc:3.45.3.0")
+}
+
+java {
+	toolchain.languageVersion.set(JavaLanguageVersion.of(21))
+}
+application {
+	val isDevelopment: Boolean = project.ext.has("development")
+	applicationDefaultJvmArgs = listOf("-Dio.ktor.development=$isDevelopment",
+									   "-Dledger.databasefolder=${project(":mod").file("run/money-ledger").absoluteFile}")
+	mainClass.set("moe.nea.ledger.server.core.ApplicationKt")
+}
diff --git a/server/core/src/main/kotlin/moe/nea/ledger/server/core/Application.kt b/server/core/src/main/kotlin/moe/nea/ledger/server/core/Application.kt
new file mode 100644
index 0000000..0ea6ed3
--- /dev/null
+++ b/server/core/src/main/kotlin/moe/nea/ledger/server/core/Application.kt
@@ -0,0 +1,34 @@
+package moe.nea.ledger.server.core
+
+import io.ktor.serialization.kotlinx.json.json
+import io.ktor.server.application.Application
+import io.ktor.server.application.install
+import io.ktor.server.netty.EngineMain
+import io.ktor.server.plugins.compression.Compression
+import io.ktor.server.plugins.contentnegotiation.ContentNegotiation
+import io.ktor.server.routing.route
+import io.ktor.server.routing.routing
+import moe.nea.ledger.database.Database
+import moe.nea.ledger.server.core.api.apiRouting
+import java.io.File
+
+fun main(args: Array<String>) {
+	EngineMain.main(args)
+}
+
+
+fun Application.module() {
+	install(Compression)
+	install(ContentNegotiation) {
+		json()
+//		cbor()
+	}
+	val database = Database(File(System.getProperty("ledger.databasefolder")))
+	database.loadAndUpgrade()
+	routing {
+		route("/api") {
+			this.apiRouting(database)
+		}
+	}
+}
+
diff --git a/server/core/src/main/kotlin/moe/nea/ledger/server/core/api/BaseApi.kt b/server/core/src/main/kotlin/moe/nea/ledger/server/core/api/BaseApi.kt
new file mode 100644
index 0000000..264f74b
--- /dev/null
+++ b/server/core/src/main/kotlin/moe/nea/ledger/server/core/api/BaseApi.kt
@@ -0,0 +1,25 @@
+package moe.nea.ledger.server.core.api
+
+import io.ktor.server.response.respond
+import io.ktor.server.response.respondText
+import io.ktor.server.routing.Route
+import io.ktor.server.routing.Routing
+import io.ktor.server.routing.get
+import moe.nea.ledger.database.DBLogEntry
+import moe.nea.ledger.database.Database
+import moe.nea.ledger.server.core.Profile
+
+fun Route.apiRouting(database: Database) {
+	get("/") {
+		call.respondText("K")
+	}
+	get("/profiles") {
+		val profiles = DBLogEntry.from(database.connection)
+			.select(DBLogEntry.playerId, DBLogEntry.profileId)
+			.distinct()
+			.map {
+				Profile(it[DBLogEntry.playerId], it[DBLogEntry.profileId])
+			}
+		call.respond(profiles)
+	}
+}
diff --git a/server/core/src/main/kotlin/moe/nea/ledger/server/core/model.kt b/server/core/src/main/kotlin/moe/nea/ledger/server/core/model.kt
new file mode 100644
index 0000000..a27a729
--- /dev/null
+++ b/server/core/src/main/kotlin/moe/nea/ledger/server/core/model.kt
@@ -0,0 +1,30 @@
+@file:UseSerializers(UUIDSerializer::class)
+
+package moe.nea.ledger.server.core
+
+import kotlinx.serialization.KSerializer
+import kotlinx.serialization.Serializable
+import kotlinx.serialization.UseSerializers
+import kotlinx.serialization.descriptors.PrimitiveKind
+import kotlinx.serialization.descriptors.PrimitiveSerialDescriptor
+import kotlinx.serialization.descriptors.SerialDescriptor
+import java.util.UUID
+
+object UUIDSerializer : KSerializer<UUID> {
+	override val descriptor: SerialDescriptor
+		get() = PrimitiveSerialDescriptor("LedgerUUID", PrimitiveKind.STRING)
+
+	override fun deserialize(decoder: kotlinx.serialization.encoding.Decoder): UUID {
+		return UUID.fromString(decoder.decodeString())
+	}
+
+	override fun serialize(encoder: kotlinx.serialization.encoding.Encoder, value: UUID) {
+		encoder.encodeString(value.toString())
+	}
+}
+
+@Serializable
+data class Profile(
+	val playerId: UUID,
+	val profileId: UUID,
+)
\ No newline at end of file
diff --git a/server/core/src/main/resources/application.conf b/server/core/src/main/resources/application.conf
new file mode 100644
index 0000000..386ffd3
--- /dev/null
+++ b/server/core/src/main/resources/application.conf
@@ -0,0 +1,10 @@
+ktor {
+  application {
+    modules = [
+      moe.nea.ledger.server.core.ApplicationKt.module
+    ]
+  }
+  deployment {
+    port = 8080
+  }
+}
\ No newline at end of file
diff --git a/server/core/test-requests/test-hello.http b/server/core/test-requests/test-hello.http
new file mode 100644
index 0000000..3ddf352
--- /dev/null
+++ b/server/core/test-requests/test-hello.http
@@ -0,0 +1,5 @@
+### GET request to example server
+GET localhost:8080/
+
+### GET profiles
+GET localhost:8080/api/profiles
\ No newline at end of file