Add Wildberries product fetching and rate limiting functionality

internal/config/config.go

@@ -1,17 +1,18 @@
 package config
 
+import "github.com/joho/godotenv"
+
 type Config struct {
-	DB    string
-	HTTP  string
-	GRPC  string
-	Kafka string
+	Redis    *RedisConfig
+	Database *DatabaseConfig
 }
 
-func Load() Config {
-	return Config{
-		DB:    "dbname=test password=GjitkYf[eq user=postgres sslmode=disable",
-		HTTP:  ":8080",
-		GRPC:  ":50051",
-		Kafka: "localhost:9092",
+func LoadConfig() (*Config, error) {
+	err := godotenv.Load()
+	if err != nil {
+		return nil, err
 	}
+	redisConfig := LoadRedisConfig()
+	databaseConfig := LoadDatabaseConfig()
+	return &Config{Redis: redisConfig, Database: databaseConfig}, nil
 }

internal/config/database.go

@@ -0,0 +1,23 @@
+package config
+
+import "os"
+
+type DatabaseConfig struct {
+	Host     string
+	Port     string
+	Login    string
+	Password string
+	Database string
+	URL      string
+}
+
+func LoadDatabaseConfig() *DatabaseConfig {
+	return &DatabaseConfig{
+		Host:     os.Getenv("POSTGRES_HOST"),
+		Port:     os.Getenv("POSTGRES_PORT"),
+		Login:    os.Getenv("POSTGRES_LOGIN"),
+		Password: os.Getenv("POSTGRES_PASSWORD"),
+		Database: os.Getenv("POSTGRES_DATABASE"),
+		URL:      os.Getenv("POSTGRES_URL"),
+	}
+}

internal/config/redis.go

@@ -0,0 +1,23 @@
+package config
+
+import "os"
+
+type RedisConfig struct {
+	Host     string
+	Port     string
+	Password string
+	Addr     string
+}
+
+func LoadRedisConfig() *RedisConfig {
+	host := os.Getenv("REDIS_HOST")
+	port := os.Getenv("REDIS_PORT")
+	password := os.Getenv("REDIS_PASSWORD")
+	addr := os.Getenv("REDIS_ADDR")
+	return &RedisConfig{
+		Host:     host,
+		Port:     port,
+		Password: password,
+		Addr:     addr,
+	}
+}