GetSchemaStatisticsUseCase.ts•1.17 kB
import { SchemaRepository } from '../../domain/schema/services/SchemaDomainService.js';
export interface GetSchemaStatisticsRequest {
includeSystemTables?: boolean;
}
export interface SchemaStatistics {
totalTables: number;
totalViews: number;
totalProcedures: number;
totalFunctions: number;
totalColumns: number;
totalIndexes: number;
averageColumnsPerTable: number;
largestTable?: {
name: string;
columns?: any[];
type: string;
};
}
export interface GetSchemaStatisticsResponse {
success: boolean;
statistics?: SchemaStatistics;
error?: string;
}
export class GetSchemaStatisticsUseCase {
constructor(private readonly schemaRepository: SchemaRepository) {}
async execute(request: GetSchemaStatisticsRequest): Promise<GetSchemaStatisticsResponse> {
try {
const statistics = await this.schemaRepository.getSchemaStatistics(
request.includeSystemTables || false
);
return {
success: true,
statistics,
};
} catch (error) {
return {
success: false,
error: error instanceof Error ? error.message : 'Unknown error occurred',
};
}
}
}