initiate repo

internal/database/mysql.go

@@ -0,0 +1,43 @@
+package database
+
+import (
+	"antrian-operasi/internal/config"
+	"database/sql"
+	"fmt"
+)
+
+func (s *service) openMySQLConnection(config config.DatabaseConfig) (*sql.DB, error) {
+	// Build connection string with security parameters
+	connStr := fmt.Sprintf("%s:%s@tcp(%s:%d)/%s?parseTime=true&timeout=%s&readTimeout=%s&writeTimeout=%s",
+		config.Username,
+		config.Password,
+		config.Host,
+		config.Port,
+		config.Database,
+		config.Timeout,
+		config.ReadTimeout,
+		config.WriteTimeout,
+	)
+
+	// Add SSL configuration if required
+	if config.RequireSSL {
+		connStr += "&tls=true"
+		if config.SSLRootCert != "" {
+			connStr += "&ssl-ca=" + config.SSLRootCert
+		}
+		if config.SSLCert != "" {
+			connStr += "&ssl-cert=" + config.SSLCert
+		}
+		if config.SSLKey != "" {
+			connStr += "&ssl-key=" + config.SSLKey
+		}
+	}
+
+	// Open connection
+	db, err := sql.Open("mysql", connStr)
+	if err != nil {
+		return nil, fmt.Errorf("failed to open MySQL connection: %w", err)
+	}
+
+	return db, nil
+}