feat: add connect Non-URL

.env.example

@@ -1,11 +1,24 @@
+# Database (URL 형식과 Non-URL 형식 중 하나를 선택)
+## URL 형식
 DATABASE_URL=
+
+## Non-URL 형식
+DATABASE_USERNAME=
+DATABASE_PASSWORD=
+DATABASE_HOSTNAME= # 해당 값은 도커로 실행할 때 필요하지 않음.
+DATABASE_PORT=
+DATABASE_AUTH_SOURCE= # 기본 값: admin
+
+## 필수 값
 DATABASE_NAME=
 
+## 데이터베이스 마이그레이션용
+PREVIOUS_DATABASE_URL=
+
+# 봇
 BOT_TOKEN=
 BOT_PREFIX=
 BOT_OWNER_ID=
 
-# If you need
-PREVIOUS_DATABASE_URL=
-
+# 학습 (필수 아님)
 TRAIN_USER_ID=

.vscode/settings.json

@@ -0,0 +1,3 @@
+{
+    "makefile.configureOnOpen": false
+}

configs/config.go

@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"log"
 	"os"
+	"strconv"
 
 	"github.com/joho/godotenv"
 )
@@ -18,11 +19,26 @@ type trainConfig struct {
 	UserID string
 }
 
+type databaseConfig struct {
+	Name       string
+	URL        string
+	HostName   string
+	Username   string
+	Password   string
+	AuthSource string
+	Port       int
+}
+
 // MuffinConfig for Muffin bot
 type MuffinConfig struct {
-	Bot          botConfig
-	Train        trainConfig
-	DatabaseURL  string
+	Bot      botConfig
+	Train    trainConfig
+	Database databaseConfig
+
+	// Deprecated: Use Database.URL
+	DatabaseURL string
+
+	// Deprecated: Use Database.Name
 	DatabaseName string
 }
 
@@ -30,7 +46,7 @@ var Config *MuffinConfig
 
 func init() {
 	godotenv.Load()
-	Config = &MuffinConfig{Bot: botConfig{}, Train: trainConfig{}}
+	Config = &MuffinConfig{Bot: botConfig{}, Train: trainConfig{}, Database: databaseConfig{}}
 	setConfig(Config)
 }
 
@@ -53,6 +69,30 @@ func setConfig(config *MuffinConfig) {
 
 	config.Train.UserID = getValue("TRAIN_USER_ID")
 
-	config.DatabaseURL = getRequiredValue("DATABASE_URL")
-	config.DatabaseName = getRequiredValue("DATABASE_NAME")
+	config.Database.URL = getValue("DATABASE_URL")
+	config.Database.HostName = getValue("DATABASE_HOSTNAME")
+	config.Database.Password = getValue("DATABASE_PASSWORD")
+	config.Database.Username = getValue("DATABASE_USERNAME")
+	config.Database.AuthSource = getValue("DATABASE_AUTH_SOURCE")
+	config.Database.Name = getRequiredValue("DATABASE_NAME")
+	port, err := strconv.Atoi(getValue("DATABASE_PORT"))
+	if err != nil {
+		log.Println("[goMuffin] 'DATABASE_PORT'값을 int로 파싱할 수 없어요.")
+		log.Fatalln(err)
+	}
+
+	config.Database.Port = port
+
+	if config.Database.AuthSource == "" {
+		config.Database.AuthSource = "admin"
+	}
+
+	if config.Database.URL == "" {
+		config.Database.URL = fmt.Sprintf("mongodb://%s:%s@%s:%d/?authSource=%s", config.Database.Username, config.Database.Password, config.Database.HostName, config.Database.Port, config.Database.AuthSource)
+	}
+	fmt.Println(config.Database.URL)
+
+	// Deprecated된 Value
+	config.DatabaseURL = config.Database.URL
+	config.DatabaseName = config.Database.Name
 }