refactor: added redisclient connection error check

backend/internal/redisClient/redisClient.go

@@ -0,0 +1,45 @@
+// Copyright (c) 2025 Nikolai Papin
+//
+// This file is part of Easywish
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
+// the GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+package redisclient
+
+import (
+	"context"
+	"easywish/config"
+
+	"github.com/go-redis/redis/v8"
+)
+
+func NewRedisClient() *redis.Client {
+	
+	cfg := config.GetConfig()
+
+	options, err := redis.ParseURL(cfg.RedisUrl)
+
+	if err != nil {
+		panic("Failed to parse redis URL: " + err.Error())
+	}
+
+	client := redis.NewClient(options)
+
+	ctx := context.Background()
+	if err := client.Ping(ctx).Err(); err != nil {
+		panic("Redis connection failed: " + err.Error())
+	}
+
+	return client
+}