/**
* Import/Export Manager
*
* Orchestrates import and export operations with optional filtering.
*
* @module features/ImportExportManager
*/
import type { KnowledgeGraph, ImportResult } from '../types/index.js';
import type { BasicSearch } from '../search/BasicSearch.js';
import { ExportManager, type ExportFormat } from './ExportManager.js';
import { ImportManager, type ImportFormat, type MergeStrategy } from './ImportManager.js';
/**
* Export filter criteria.
*/
export interface ExportFilter {
/** Start date for filtering (ISO 8601) */
startDate?: string;
/** End date for filtering (ISO 8601) */
endDate?: string;
/** Entity type filter */
entityType?: string;
/** Tags filter */
tags?: string[];
}
/**
* Orchestrates import and export operations.
*/
export class ImportExportManager {
private exportManager: ExportManager;
private importManager: ImportManager;
constructor(
exportManager: ExportManager,
importManager: ImportManager,
private basicSearch: BasicSearch
) {
this.exportManager = exportManager;
this.importManager = importManager;
}
/**
* Export graph to specified format with optional filtering.
*
* @param format - Export format
* @param filter - Optional export filter
* @returns Formatted export string
*/
async exportGraph(format: ExportFormat, filter?: ExportFilter): Promise<string> {
let graph: KnowledgeGraph;
if (filter) {
graph = await this.basicSearch.searchByDateRange(
filter.startDate,
filter.endDate,
filter.entityType,
filter.tags
);
} else {
// Get full graph via basicSearch's storage
graph = await (this.basicSearch as any).storage.loadGraph();
}
return this.exportManager.exportGraph(graph, format);
}
/**
* Import graph from formatted data.
*
* @param format - Import format
* @param data - Import data string
* @param mergeStrategy - How to handle conflicts
* @param dryRun - If true, preview changes without applying
* @returns Import result with statistics
*/
async importGraph(
format: ImportFormat,
data: string,
mergeStrategy?: MergeStrategy,
dryRun?: boolean
): Promise<ImportResult> {
return this.importManager.importGraph(format, data, mergeStrategy, dryRun);
}
}
