refactor: split validation handler responsibilities

src/main/services/validation/validation-database.ts

@@ -0,0 +1,56 @@
+import { ConfigManager } from '../config/config-manager'
+import { MySqlService } from '../database/mysql'
+import { SqlServerService } from '../database/sql-server'
+
+export type ValidationDatabaseService = MySqlService | SqlServerService
+
+export async function createValidationDatabaseService(): Promise<ValidationDatabaseService> {
+  const configManager = ConfigManager.getInstance()
+  const config = configManager.getConfig()
+  const dbType = configManager.getDatabaseType()
+
+  if (dbType === 'sqlserver') {
+    const dbConfig = config.database.sqlserver
+    const sqlServerService = new SqlServerService({
+      server: dbConfig.server,
+      port: dbConfig.port,
+      user: dbConfig.username,
+      password: dbConfig.password,
+      database: dbConfig.database,
+      options: {
+        encrypt: false,
+        trustServerCertificate: dbConfig.trustServerCertificate
+      }
+    })
+    await sqlServerService.connect()
+    return sqlServerService
+  }
+
+  const dbConfig = config.database.mysql
+  const mysqlService = new MySqlService({
+    host: dbConfig.host,
+    port: dbConfig.port,
+    user: dbConfig.username,
+    password: dbConfig.password,
+    database: dbConfig.database
+  })
+  await mysqlService.connect()
+  return mysqlService
+}
+
+export function getValidationTableName(mysqlTableName: string): string {
+  const configManager = ConfigManager.getInstance()
+  const dbType = configManager.getDatabaseType()
+
+  if (dbType === 'sqlserver') {
+    const firstUnderscoreIndex = mysqlTableName.indexOf('_')
+    if (firstUnderscoreIndex > 0) {
+      const schema = mysqlTableName.substring(0, firstUnderscoreIndex)
+      const tableName = mysqlTableName.substring(firstUnderscoreIndex + 1)
+      return `[${schema}].[${tableName}]`
+    }
+    return `[dbo].[${mysqlTableName}]`
+  }
+
+  return mysqlTableName
+}