initiate repo

internal/database/sqlserver.go

@@ -0,0 +1,40 @@
+package database
+
+import (
+	"antrian-operasi/internal/config"
+	"database/sql"
+	"fmt"
+)
+
+func (s *service) openSQLServerConnection(config config.DatabaseConfig) (*sql.DB, error) {
+	// Build connection string with security parameters
+	// Convert timeout to seconds for SQL Server
+	connectTimeoutSec := int(config.ConnectTimeout.Seconds())
+
+	connStr := fmt.Sprintf("sqlserver://%s:%s@%s:%d?database=%s&connection timeout=%d",
+		config.Username,
+		config.Password,
+		config.Host,
+		config.Port,
+		config.Database,
+		connectTimeoutSec,
+	)
+
+	// Add SSL configuration if required
+	if config.RequireSSL {
+		connStr += "&encrypt=true"
+		if config.SSLRootCert != "" {
+			connStr += "&trustServerCertificate=false"
+		} else {
+			connStr += "&trustServerCertificate=true"
+		}
+	}
+
+	// Open connection
+	db, err := sql.Open("sqlserver", connStr)
+	if err != nil {
+		return nil, fmt.Errorf("failed to open SQL Server connection: %w", err)
+	}
+
+	return db, nil
+}