Add specialized REST request exceptions

rest/api/rest.api

@@ -5969,6 +5969,14 @@ public final class dev/kord/rest/ratelimit/Total {
 	public final synthetic fun unbox-impl ()J
 }
 
+public final class dev/kord/rest/request/BadRequestKtorRequestException : dev/kord/rest/request/KtorRequestException {
+	public fun <init> (Lio/ktor/client/statement/HttpResponse;Ldev/kord/rest/request/Request;Ldev/kord/rest/json/response/DiscordErrorResponse;)V
+}
+
+public final class dev/kord/rest/request/ForbiddenKtorRequestException : dev/kord/rest/request/KtorRequestException {
+	public fun <init> (Lio/ktor/client/statement/HttpResponse;Ldev/kord/rest/request/Request;Ldev/kord/rest/json/response/DiscordErrorResponse;)V
+}
+
 public final class dev/kord/rest/request/HttpStatus {
 	public fun <init> (ILjava/lang/String;)V
 	public final fun component1 ()I
@@ -6011,7 +6019,7 @@ public final class dev/kord/rest/request/JsonRequest : dev/kord/rest/request/Req
 	public fun getRouteParams ()Ljava/util/Map;
 }
 
-public final class dev/kord/rest/request/KtorRequestException : dev/kord/rest/request/RestRequestException {
+public class dev/kord/rest/request/KtorRequestException : dev/kord/rest/request/RestRequestException {
 	public fun <init> (Lio/ktor/client/statement/HttpResponse;Ldev/kord/rest/request/Request;Ldev/kord/rest/json/response/DiscordErrorResponse;)V
 	public final fun getHttpResponse ()Lio/ktor/client/statement/HttpResponse;
 }
@@ -6042,6 +6050,10 @@ public final class dev/kord/rest/request/MultipartRequest : dev/kord/rest/reques
 	public fun getRouteParams ()Ljava/util/Map;
 }
 
+public final class dev/kord/rest/request/NotFoundKtorRequestException : dev/kord/rest/request/KtorRequestException {
+	public fun <init> (Lio/ktor/client/statement/HttpResponse;Ldev/kord/rest/request/Request;Ldev/kord/rest/json/response/DiscordErrorResponse;)V
+}
+
 public abstract class dev/kord/rest/request/Request {
 	public synthetic fun <init> (Ljava/lang/String;ILkotlin/jvm/internal/DefaultConstructorMarker;)V
 	public synthetic fun <init> (Ljava/lang/String;Lkotlin/jvm/internal/DefaultConstructorMarker;)V
@@ -6140,6 +6152,10 @@ public abstract class dev/kord/rest/request/RestRequestException : dev/kord/comm
 	public final fun getStatus ()Ldev/kord/rest/request/HttpStatus;
 }
 
+public final class dev/kord/rest/request/ServerErrorKtorRequestException : dev/kord/rest/request/KtorRequestException {
+	public fun <init> (Lio/ktor/client/statement/HttpResponse;Ldev/kord/rest/request/Request;Ldev/kord/rest/json/response/DiscordErrorResponse;)V
+}
+
 public final class dev/kord/rest/request/StackTraceRecoveringKtorRequestHandler : dev/kord/rest/request/RequestHandler {
 	public fun <init> (Ldev/kord/rest/request/KtorRequestHandler;)V
 	public fun getToken ()Ljava/lang/String;

rest/src/commonMain/kotlin/request/KtorRequestHandler.kt

@@ -57,11 +57,17 @@ public class KtorRequestHandler(
             }
             response.isError -> {
                 logger.debug { response.logString(body) }
-                if (response.contentType() == ContentType.Application.Json)
-                    throw KtorRequestException(
-                        response, request, DiscordErrorResponse.serializer().optional.deserialize(parser, body)
-                    )
-                else throw KtorRequestException(response, request, null)
+                val discordError =
+                    if (response.contentType() == ContentType.Application.Json)
+                        DiscordErrorResponse.serializer().optional.deserialize(parser, body)
+                    else null
+                throw when(response.status){
+                    HttpStatusCode.BadRequest -> BadRequestKtorRequestException(response, request, discordError)
+                    HttpStatusCode.Forbidden -> ForbiddenKtorRequestException(response, request, discordError)
+                    HttpStatusCode.NotFound -> NotFoundKtorRequestException(response, request, discordError)
+                    HttpStatusCode.InternalServerError -> ServerErrorKtorRequestException(response, request, discordError)
+                    else -> KtorRequestException(response, request, discordError)
+                }
             }
             else -> {
                 logger.debug { response.logString(body) }

rest/src/commonMain/kotlin/request/RestRequestException.kt

@@ -30,11 +30,38 @@ public abstract class RestRequestException(
  */
 public data class HttpStatus(val code: Int, val message: String)
 
+
 /**
  * Implementation of the [RestRequestException] for [RestServices][RestService] using Ktor.
  */
-public class KtorRequestException(
+public open class KtorRequestException(
     @Suppress("MemberVisibilityCanBePrivate") public val httpResponse: HttpResponse,
     request: Request<*, *>,
     discordError: DiscordErrorResponse?,
 ) : RestRequestException(request, HttpStatus(httpResponse.status.value, httpResponse.status.description), discordError)
+
+public class BadRequestKtorRequestException(
+    httpResponse: HttpResponse,
+    request: Request<*, *>,
+    discordError: DiscordErrorResponse?,
+) : KtorRequestException(httpResponse, request, discordError)
+
+
+public class ForbiddenKtorRequestException(
+    httpResponse: HttpResponse,
+    request: Request<*, *>,
+    discordError: DiscordErrorResponse?,
+) : KtorRequestException(httpResponse, request, discordError)
+
+public class NotFoundKtorRequestException(
+    httpResponse: HttpResponse,
+    request: Request<*, *>,
+    discordError: DiscordErrorResponse?,
+) : KtorRequestException(httpResponse, request, discordError)
+
+public class ServerErrorKtorRequestException(
+    httpResponse: HttpResponse,
+    request: Request<*, *>,
+    discordError: DiscordErrorResponse?,
+) : KtorRequestException(httpResponse, request, discordError)
+