Add mapping of meteo discipline, category, product

src/main/scala/server/Server.scala

@@ -5,8 +5,9 @@ import cats.implicits.toTraverseOps
 import com.comcast.ip4s.IpLiteralSyntax
 import db.PostgresService
 import fetch.FetchService
+import grib.GribParser
 import parse.Aggregate
-import server.ValidateRoutes.{AggFieldList, AggKey, CityList, DateTimeRange, Granularity, ValidateDate, ValidateDateTime, ValidateMonths}
+import server.ValidateRoutes.{AggFieldList, AggKey, CityList, DateTimeRange, Granularity, ValidateDate, ValidateDateTime, ValidateMonths, ValidateZonedDateTime}
 import io.circe.{Json, Printer}
 import org.http4s._
 import org.http4s.dsl.io._
@@ -24,6 +25,7 @@ import parse.Aggregate.{AggregateKey, UserQuery}
 import org.http4s.circe.jsonEncoder
 import org.typelevel.log4cats.Logger
 import org.typelevel.log4cats.slf4j.Slf4jLogger
+import fs2.io.file.Path
 
 import scala.concurrent.duration.DurationInt
 
@@ -49,6 +51,14 @@ class Server(postgresService: PostgresService, fetch: FetchService, log: Logger[
   private case class ResponseWrapper(result: Map[String, Option[Aggregate.AggregateValue]], query: UserQuery)
 
   private val apiRoutes = HttpRoutes.of[IO] {
+    // http://0.0.0.0:8080/api/show/grib/2025-01-24T03:00:00Z
+//    case GET -> Root / "show" / "grib" / ValidateZonedDateTime(referenceTime) =>
+    case GET -> Root / "show" / "grib" =>
+      // TODO change from hardcoded value to reference time and forecast time
+      val fileName = "data/HARMONIE_DINI_SF_2025-01-24T030000Z_2025-01-26T010000Z.grib"
+      GribParser.parseFile(Path(fileName)).flatMap(response => Ok(response.asJson.pretty))
+
+    case GET -> Root / "show" / "gribName" => Ok("{\"fileName\":\"TODO replace this fake name\"}")
 
     // http://0.0.0.0:8080/api/query/city/Liepāja,Rēzekne/20230414_2200-20230501_1230/hour/tempMax/max
     case GET -> Root / "query" / "city" / CityList(cities) / DateTimeRange(from, to) / Granularity(granularity) / field / AggKey(key) =>

src/main/scala/server/ValidateRoutes.scala

@@ -4,7 +4,7 @@ import cats.data.NonEmptyList
 import parse.Aggregate.AggregateKey
 import parse.WeatherData
 
-import java.time.{LocalDate, LocalDateTime}
+import java.time.{LocalDate, LocalDateTime, ZonedDateTime}
 import java.time.format.DateTimeFormatter
 import java.time.temporal.ChronoUnit
 import scala.util.Try
@@ -36,6 +36,13 @@ object ValidateRoutes {
     }
   }
 
+  object ValidateZonedDateTime {
+    def unapply(str: String): Option[ZonedDateTime] = {
+      val formatter = DateTimeFormatter.ofPattern("yyyy-MM-ddTHH:mm:ssZ")
+      Try(ZonedDateTime.parse(str, formatter)).toOption
+    }
+  }
+
   object ValidateMonths {
     def unapply(str: String): Option[List[LocalDate]] = {
       val formatter = DateTimeFormatter.ofPattern("yyyyMMdd")