Moved v3 code from NginxProxyManager/nginx-proxy-manager-3 to NginxProxyManager/nginx-proxy-manager

backend/internal/database/sqlite.go

@@ -0,0 +1,74 @@
+package database
+
+import (
+	"fmt"
+	"os"
+
+	"npm/internal/config"
+	"npm/internal/logger"
+
+	"github.com/jmoiron/sqlx"
+
+	// Blank import for Sqlite
+	_ "github.com/mattn/go-sqlite3"
+)
+
+var dbInstance *sqlx.DB
+
+// NewDB creates a new connection
+func NewDB() {
+	logger.Info("Creating new DB instance")
+	db := SqliteDB()
+	if db != nil {
+		dbInstance = db
+	}
+}
+
+// GetInstance returns an existing or new instance
+func GetInstance() *sqlx.DB {
+	if dbInstance == nil {
+		NewDB()
+	} else if err := dbInstance.Ping(); err != nil {
+		NewDB()
+	}
+
+	return dbInstance
+}
+
+// SqliteDB Create sqlite client
+func SqliteDB() *sqlx.DB {
+	dbFile := fmt.Sprintf("%s/nginxproxymanager.db", config.Configuration.DataFolder)
+	autocreate(dbFile)
+	db, err := sqlx.Open("sqlite3", dbFile)
+	if err != nil {
+		logger.Error("SqliteError", err)
+		return nil
+	}
+
+	return db
+}
+
+// Commit will close and reopen the db file
+func Commit() *sqlx.DB {
+	if dbInstance != nil {
+		err := dbInstance.Close()
+		if err != nil {
+			logger.Error("DatabaseCloseError", err)
+		}
+	}
+	NewDB()
+	return dbInstance
+}
+
+func autocreate(dbFile string) {
+	if _, err := os.Stat(dbFile); os.IsNotExist(err) {
+		// Create it
+		logger.Info("Creating Sqlite DB: %s", dbFile)
+		// nolint: gosec
+		_, err = os.Create(dbFile)
+		if err != nil {
+			logger.Error("FileCreateError", err)
+		}
+		Commit()
+	}
+}