From 2aa7a037b389b9fbf9ab05f9079552f4241bb577 Mon Sep 17 00:00:00 2001
From: Lucas Hinderberger <lucas.hinderberger@programmfabrik.de>
Date: Tue, 9 Jul 2024 17:43:40 +0200
Subject: [PATCH] Adding support for array query params

---
 pkg/lib/api/request.go | 34 ++++++++++++++++++++++++++--------
 1 file changed, 26 insertions(+), 8 deletions(-)

diff --git a/pkg/lib/api/request.go b/pkg/lib/api/request.go
index c2d04f4..eea8c98 100755
--- a/pkg/lib/api/request.go
+++ b/pkg/lib/api/request.go
@@ -10,6 +10,7 @@ import (
 	"net/http/httputil"
 	"net/url"
 	"path"
+	"reflect"
 	"strings"
 	"time"
 
@@ -116,17 +117,34 @@ func (request Request) buildHttpRequest() (req *http.Request, err error) {
 
 	q := req.URL.Query()
 
-	addToQuery := func(key string, v any) error {
-		stringVal, err := util.GetStringFromInterface(v)
-		if err != nil {
-			return fmt.Errorf("error GetStringFromInterface: %s", err)
-		}
+	addToQuery := func(key string, val any) error {
+		var vs []any
+
+		refval := reflect.ValueOf(val)
 
-		if stringVal == "" {
-			return nil
+		switch refval.Kind() {
+		case reflect.Array, reflect.Slice:
+			l := refval.Len()
+			vs = make([]any, l)
+			for i := 0; i < l; i++ {
+				vs[i] = refval.Index(i).Interface()
+			}
+		default:
+			vs = []any{val}
 		}
 
-		q.Add(key, stringVal)
+		for _, v := range vs {
+			stringVal, err := util.GetStringFromInterface(v)
+			if err != nil {
+				return fmt.Errorf("error GetStringFromInterface: %s", err)
+			}
+
+			if stringVal == "" {
+				return nil
+			}
+
+			q.Add(key, stringVal)
+		}
 
 		return nil
 	}