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import { logger } from "../../../lib/logger";
import { areMergeable } from "./merge-null-val-objs";
import { transformArrayToObject } from "./transform-array-to-obj";
interface TransformedResult {
transformed: { [key: string]: any[] } | any[];
url: string;
}
/**
* Tracks sources through the transformation, deduplication, and merging process
*/
export class SourceTracker {
private transformedResults: TransformedResult[];
private preDedupeSourceMap: Map<string, string[]>;
constructor() {
this.transformedResults = [];
this.preDedupeSourceMap = new Map();
}
/**
* Transform raw extraction results into a format that preserves source information
*/
transformResults(extractionResults: { extract: any; url: string }[], schema: any, withTransform: boolean = true) {
// Handle array outputs
if (Array.isArray(extractionResults[0]?.extract)) {
this.transformedResults = extractionResults.map(result => ({
transformed: result.extract,
url: result.url
}));
if (withTransform) {
// Combine all extracts to match original behavior
const combinedExtracts = extractionResults.map(r => r.extract).flat();
return combinedExtracts;
}
return this.transformedResults;
}
// Handle object outputs (original behavior)
this.transformedResults = extractionResults.map(result => ({
transformed: transformArrayToObject(schema, [result.extract]),
url: result.url
}));
if (withTransform) {
// Then combine all extracts and transform them together to match original behavior
const combinedExtracts = extractionResults.map(r => r.extract);
return transformArrayToObject(schema, combinedExtracts);
}
return this.transformedResults;
}
/**
* Track sources for each item before deduplication
*/
trackPreDeduplicationSources(multiEntityResult: { [key: string]: any[] } | any[]) {
try {
if (Array.isArray(multiEntityResult)) {
// Handle array outputs
multiEntityResult.forEach((item: any) => {
const itemKey = JSON.stringify(item);
const matchingSources = this.transformedResults
.filter(result =>
Array.isArray(result.transformed) &&
result.transformed.some((resultItem: any) =>
JSON.stringify(resultItem) === itemKey
)
)
.map(result => result.url);
this.preDedupeSourceMap.set(itemKey, matchingSources);
});
} else {
// Handle object outputs (original behavior)
Object.keys(multiEntityResult).forEach(key => {
multiEntityResult[key].forEach((item: any) => {
const itemKey = JSON.stringify(item);
const matchingSources = this.transformedResults
.filter(result =>
result.transformed[key]?.some((resultItem: any) =>
JSON.stringify(resultItem) === itemKey
)
)
.map(result => result.url);
this.preDedupeSourceMap.set(itemKey, matchingSources);
});
});
}
} catch (error) {
logger.error(`Failed to track pre-deduplication sources`, { error });
}
}
/**
* Map sources to final deduplicated/merged items
*/
mapSourcesToFinalItems(
multiEntityResult: { [key: string]: any[] } | any[],
multiEntityKeys: string[]
): Record<string, string[]> {
try {
const sources: Record<string, string[]> = {};
if (Array.isArray(multiEntityResult)) {
// Handle array outputs
multiEntityResult.forEach((item: any, finalIndex: number) => {
const sourceKey = `[${finalIndex}]`;
const itemSources = new Set<string>();
this.transformedResults.forEach(result => {
if (Array.isArray(result.transformed)) {
result.transformed.forEach((originalItem: any) => {
if (areMergeable(item, originalItem)) {
itemSources.add(result.url);
}
});
}
});
sources[sourceKey] = Array.from(itemSources);
});
} else {
// Handle object outputs (original behavior)
multiEntityKeys.forEach(key => {
if (multiEntityResult[key] && Array.isArray(multiEntityResult[key])) {
multiEntityResult[key].forEach((item: any, finalIndex: number) => {
const sourceKey = `${key}[${finalIndex}]`;
const itemSources = new Set<string>();
this.transformedResults.forEach(result => {
result.transformed[key]?.forEach((originalItem: any) => {
if (areMergeable(item, originalItem)) {
itemSources.add(result.url);
}
});
});
sources[sourceKey] = Array.from(itemSources);
});
}
});
}
return sources;
} catch (error) {
logger.error(`Failed to map sources to final items`, { error });
return {};
}
}
} |