From aa7cc503f24309cfe325969ddce38de5aeadcdb9 Mon Sep 17 00:00:00 2001
From: InsanusMokrassar <ovsyannikov.alexey95@gmail.com>
Date: Tue, 25 Apr 2023 13:14:12 +0600
Subject: [PATCH] improvements in query parameters getting

---
 CHANGELOG.md                                  |  4 ++++
 .../ktor/server/QueryParameters.kt            | 20 +++++++++++++++++++
 2 files changed, 24 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0340b7a3372..e195ed81c18 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 ## 0.18.0
 
+* `Ktor`:
+    * `Server`:
+        * Now it is possible to take query parameters as list
+
 ## 0.17.8
 
 * `Versions`:
diff --git a/ktor/server/src/jvmMain/kotlin/dev/inmo/micro_utils/ktor/server/QueryParameters.kt b/ktor/server/src/jvmMain/kotlin/dev/inmo/micro_utils/ktor/server/QueryParameters.kt
index 053d316c631..241adfb6290 100644
--- a/ktor/server/src/jvmMain/kotlin/dev/inmo/micro_utils/ktor/server/QueryParameters.kt
+++ b/ktor/server/src/jvmMain/kotlin/dev/inmo/micro_utils/ktor/server/QueryParameters.kt
@@ -12,10 +12,22 @@ suspend fun ApplicationCall.getParameterOrSendError(
     }
 }
 
+suspend fun ApplicationCall.getParametersOrSendError(
+    field: String
+) = parameters.getAll(field).also {
+    if (it == null) {
+        respond(HttpStatusCode.BadRequest, "Request must contains $field")
+    }
+}
+
 fun ApplicationCall.getQueryParameter(
     field: String
 ) = request.queryParameters[field]
 
+fun ApplicationCall.getQueryParameters(
+    field: String
+) = request.queryParameters.getAll(field)
+
 suspend fun ApplicationCall.getQueryParameterOrSendError(
     field: String
 ) = getQueryParameter(field).also {
@@ -23,3 +35,11 @@ suspend fun ApplicationCall.getQueryParameterOrSendError(
         respond(HttpStatusCode.BadRequest, "Request query parameters must contains $field")
     }
 }
+
+suspend fun ApplicationCall.getQueryParametersOrSendError(
+    field: String
+) = getQueryParameters(field).also {
+    if (it == null) {
+        respond(HttpStatusCode.BadRequest, "Request query parameters must contains $field")
+    }
+}