refact:openteam

pkg/store/db.go

@@ -0,0 +1,80 @@
+package store
+
+import (
+	"fmt"
+	"log"
+	"opencatd-open/team/model"
+	"os"
+	"strings"
+
+	// "gocloud.dev/mysql"
+	// "gocloud.dev/postgres"
+	"github.com/glebarez/sqlite"
+	"gorm.io/driver/mysql"
+	"gorm.io/driver/postgres"
+	"gorm.io/gorm"
+)
+
+var IsPostgres bool
+
+// InitDB 初始化数据库连接
+func InitDB() (*gorm.DB, error) {
+	var db *gorm.DB
+	var err error
+	// 从环境变量获取DSN
+	dsn := os.Getenv("DSN")
+
+	if dsn == "" {
+		log.Println("No DSN provided, using SQLite as default")
+		db, err = initSQLite()
+	}
+
+	// 解析DSN来确定数据库类型
+	if strings.HasPrefix(dsn, "postgres://") {
+		IsPostgres = true
+		db, err = initPostgres(dsn)
+	} else if strings.HasPrefix(dsn, "mysql://") {
+		db, err = initMySQL(dsn)
+	}
+	if err != nil {
+		return nil, err
+	}
+	if IsPostgres {
+		err = db.AutoMigrate(&model.User{}, &model.ApiKey_PG{}, &model.Token{}, &model.Session{}, &model.Usage{}, &model.DailyUsage{})
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	return nil, fmt.Errorf("unsupported database type in DSN: %s", dsn)
+}
+
+// initSQLite 初始化 SQLite 数据库
+func initSQLite() (*gorm.DB, error) {
+	db, err := gorm.Open(sqlite.Open("openteam.db"), &gorm.Config{})
+	if err != nil {
+		return nil, fmt.Errorf("failed to connect to SQLite: %v", err)
+	}
+	return db, nil
+}
+
+// initPostgres 初始化 PostgreSQL 数据库
+func initPostgres(dsn string) (*gorm.DB, error) {
+	db, err := gorm.Open(postgres.Open(dsn), &gorm.Config{})
+	if err != nil {
+		return nil, fmt.Errorf("failed to connect to PostgreSQL: %v", err)
+	}
+	return db, nil
+}
+
+// initMySQL 初始化 MySQL 数据库
+func initMySQL(dsn string) (*gorm.DB, error) {
+	// 移除 "mysql://" 前缀，因为 MySQL 驱动不需要这个前缀
+	dsn = strings.TrimPrefix(dsn, "mysql://")
+
+	db, err := gorm.Open(mysql.Open(dsn), &gorm.Config{})
+	if err != nil {
+		return nil, fmt.Errorf("failed to connect to MySQL: %v", err)
+	}
+	return db, nil
+}