// Copyright DataStax, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import { db } from "../util/db.js";
import { sanitizeRecordData } from "../util/sanitize.js";
export async function FindRecord(params: {
collectionName: string;
field: string;
value: string;
limit?: number;
}) {
const { collectionName, field, value, limit = 10 } = params;
const collection = db.collection(collectionName);
// Handle special case for _id field
if (field === "_id" || field === "id") {
try {
// Try to find by exact ID
const record = await collection.findOne({ _id: value });
return record ? [record] : [];
} catch (error) {
// If ID lookup fails, fall back to regular search
console.error("ID lookup failed, falling back to regular search:", error);
}
}
// Create a dynamic query object for the field search
const query: Record<string, any> = {};
// Support for searching nested fields using dot notation
query[field] = value;
// Perform the search
const results = await collection.find(query).limit(limit).toArray();
// If no results found with exact match, try partial text search
if (results.length === 0) {
try {
// Create a regex pattern for partial matching
// Escape special regex characters in the search value
const escapedValue = value.replace(/[.*+?^${}()|[\]\\]/g, "\\$&");
const regexPattern = new RegExp(escapedValue, "i"); // 'i' for case-insensitive
const regexQuery: Record<string, any> = {};
regexQuery[field] = regexPattern;
const results = await collection.find(regexQuery).limit(limit).toArray();
return sanitizeRecordData(results);
} catch (error) {
console.error("Regex search failed:", error);
return [];
}
}
// Return sanitized results to prevent prompt injection attacks
return sanitizeRecordData(results);
}