GET /version endpoint

api/src/main/kotlin/data/Loader.kt

@@ -3,6 +3,8 @@ package com.jaytux.simd.data
 import com.fleeksoft.ksoup.Ksoup
 import com.jaytux.simd.data.IntrinsicInstructions.xed
 import kotlinx.coroutines.coroutineScope
+import kotlinx.datetime.*
+import kotlinx.datetime.format.MonthNames
 import kotlinx.serialization.Serializable
 import kotlinx.serialization.json.Json
 import kotlinx.serialization.json.JsonObject
@@ -16,12 +18,16 @@ import java.text.DateFormat
 import java.text.SimpleDateFormat
 import java.util.Date
 import java.util.prefs.Preferences
-import java.time.Instant
 
 object Loader {
     private val cache = Preferences.userNodeForPackage(this::class.java)
-    private val intelDateTimeFormat = SimpleDateFormat("MM/dd/yyyy")
-    private val dateFormat = SimpleDateFormat("dd-MMMM-yyyy")
+    private val intelDateTimeFormat = LocalDate.Format {
+        monthNumber(); chars("/"); dayOfMonth(); chars("/"); year();
+    }
+    private val dateFormat = LocalDate.Format {
+        dayOfMonth(); chars("-"); monthName(MonthNames.ENGLISH_FULL); chars("-"); year()
+    }
+    private val zero = LocalDate(1970, 1, 1)
 
     data class XmlIntrinsic(val name: String, val tech: String, val retType: String, val retVar: String?,
                             val args: List<Pair<String, String>>, val desc: String, val op: String?,
@@ -46,14 +52,14 @@ object Loader {
         }
     }
 
-    data class DatedVersion(val version: Version, val releaseDate: Date, val updateDate: Date) {
+    data class DatedVersion(val version: Version, val releaseDate: LocalDate, val updateDate: LocalDate) {
         override fun toString(): String = "$version (remote released ${dateFormat.format(releaseDate)}; local updated ${dateFormat.format(updateDate)})"
 
         companion object {
             fun fromPrefs(): DatedVersion {
                 val v = cache.get("version", null)?.let { Version.fromString(it) } ?: Version(0, 0, 0)
-                val r = cache.get("release", null)?.let { dateFormat.parse(it) } ?: Date.from(Instant.ofEpochMilli(0))
-                val u = cache.get("update", null)?.let { dateFormat.parse(it) } ?: Date.from(Instant.ofEpochMilli(0))
+                val r = cache.get("release", null)?.let { dateFormat.parse(it) } ?: zero
+                val u = cache.get("update", null)?.let { dateFormat.parse(it) } ?: zero
 
                 return DatedVersion(v, r, u)
             }
@@ -100,14 +106,14 @@ object Loader {
             }
 
             version to date
-        } ?: Version(0, 0, 0) to Date()
+        } ?: Version(0, 0, 0) to LocalDate.fromEpochDays(0) // dummy data
 
         if(errors.isNotEmpty()) {
             errors.forEach { System.err.println(it) }
             throw Exception("XML file is (partially) invalid")
         }
 
-        val update = Date()
+        val update = Clock.System.now().toLocalDateTime(TimeZone.currentSystemDefault()).date
 
         xml.getElementsByTag("intrinsic").forEachIndexed { i, it ->
             val name = it.attribute("name")?.value

api/src/main/kotlin/server/Endpoints.kt

@@ -1,7 +1,10 @@
 package com.jaytux.simd.server
 
 import com.jaytux.simd.data.*
+import io.ktor.http.content.*
+import io.ktor.server.response.*
 import io.ktor.server.routing.*
+import kotlinx.datetime.LocalDate
 import kotlinx.serialization.Serializable
 import org.jetbrains.exposed.sql.SqlExpressionBuilder.eq
 import org.jetbrains.exposed.sql.SqlExpressionBuilder.like
@@ -37,6 +40,11 @@ data class IntrinsicDetails(
     val performance: List<PlatformPerformance>?
 )
 
+@Serializable
+data class Versioning(
+    val intelVersion: String, val intelUpdate: LocalDate, val scrapeDate: LocalDate
+)
+
 fun Routing.installGetAll() {
     getPagedUrl("/all", { 100 }, { IntrinsicSummary(it.id.value, it.mnemonic) }) {
             Intrinsic.all().orderAsc(Intrinsics.mnemonic)
@@ -125,4 +133,11 @@ fun Routing.installDetails() {
             }
         }
     }
+}
+
+fun Routing.installVersion() {
+    get("/version") {
+        val upd = Loader.DatedVersion.fromPrefs()
+        call.respond(Versioning(upd.version.toString(), intelUpdate = upd.releaseDate, upd.updateDate))
+    }
 }

api/src/main/kotlin/server/Routing.kt

@@ -63,6 +63,7 @@ fun Application.configureRouting() {
         installGetAll()
         installSearch()
         installDetails()
+        installVersion()
     }
 }