Improve help json response

src/main/scala/parse/Aggregate.scala

@@ -38,7 +38,7 @@ object Aggregate {
       val classSymbol = runtimeMirror.classSymbol(classOf[AggregateKey])
 
       // Get all case classes that extend the AggregateKey trait
-      val keys = classSymbol.knownDirectSubclasses.map(_.name.toString).toList
+      val keys = classSymbol.knownDirectSubclasses.map(_.name.toString.toLowerCase).toList
 
       keys
     }

src/main/scala/parse/WeatherData.scala

@@ -71,6 +71,10 @@ object WeatherData {
   def getDoubleParamCount: Int = {
     getParamCount - 1 // minus one because 'phenomena' List[String] not Double
   }
+
+  def getKeys: List[String] = {
+    WeatherData(None, None, None, None, None, None, None, None, None, None, None, None, None, List.empty).productElementNames.toList
+  }
 }
 
 //val cityList: List[String] = List("Ainaži", "Alūksne", "Bauska", "Dagda", "Daugavgrīva", "Daugavpils", "Dobele", "Gulbene", "Jelgava", "Kalnciems", "Kolka", "Kuldīga", "Lielpēči", "Liepāja", "Madona", "Mērsrags", "Pāvilosta", "Piedruja", "Priekuļi", "Rēzekne", "Rīga", "Rucava", "Rūjiena", "Saldus", "Sigulda", "Sīļi", "Skrīveri", "Skulte", "Stende", "Ventspils", "Vičaki", "Zīlāni", "Zosēni", "Ainaži", "Alūksne", "Bauska", "Dagda", "Daugavgrīva", "Daugavpils", "Dobele", "Gulbene", "Jelgava", "Kalnciems", "Kolka", "Kuldīga", "Lielpēči", "Liepāja", "Madona", "Mērsrags", "Pāvilosta", "Piedruja", "Priekuļi", "Rēzekne", "Rīga", "Rucava", "Rūjiena", "Saldus", "Sigulda", "Sīļi", "Skrīveri", "Skulte", "Stende", "Ventspils", "Vičaki", "Zīlāni", "Zosēni")

src/main/scala/server/Server.scala

@@ -4,7 +4,7 @@ import cats.effect._
 import cats.implicits.toTraverseOps
 import db.DBService
 import fetch.FetchService
-import parse.Parser
+import parse.{Parser, WeatherData}
 import server.ValidateRoutes.{AggKey, CityList, DateTimeRange, ValidDate}
 import io.circe.{Encoder, Json, Printer}
 import org.http4s._
@@ -70,7 +70,16 @@ object Server extends IOApp {
 
     // http://localhost:3000/help
     case GET -> Root / "help" =>
-      Ok(AggregateKey.getKeys.asJson.pretty)
+      Ok(Json.obj(
+        "aggregate fields" -> WeatherData.getKeys.asJson,
+        "aggregate keys" -> AggregateKey.getKeys.asJson,
+        "example urls" -> List(
+          "http://localhost:3000/query/20230414_2200-20230501_1230/Liepāja,Rēzekne/tempMax/max",
+          "http://localhost:3000/fetch/date/20230423",
+          "http://localhost:3000/show/all_dates",
+          "http://localhost:3000/show/date/20230423",
+        ).asJson,
+      ).pretty)
   }
 
   private val httpApp = Router("/" -> appRoutes).orNotFound