75 lines
2.4 KiB
JavaScript

import {
AzureAISearchVectorStore,
AzureAISearchQueryType,
} from "@langchain/community/vectorstores/azure_aisearch";
import { OpenAIEmbeddings, AzureOpenAIEmbeddings } from "@langchain/openai";
const query = process.argv[2] || "What is CX Automation?";
const company = process.argv[3] || "default";
// the RAG widget uses the OpenAIEmbeddings class but the config will not work because you cannot pass in the api-version param. DO NOT USE
// const embedding = new OpenAIEmbeddings({
// openAIApiKey: openAIApiKey,
// configuration: {
// baseURL: `https://${azureOpenAIApiInstanceName}.openai.azure.com/openai/deployments/${azureOpenAIApiDeploymentName}?api-version=${azureOpenAIApiVersion}`,
// },
// })
const embedding = new AzureOpenAIEmbeddings({
azureOpenAIApiInstanceName: process.env.AZURE_OPENAI_API_INSTANCE_NAME,
azureOpenAIApiDeploymentName: process.env.AZURE_OPENAI_API_DEPLOYMENT_NAME,
azureOpenAIApiVersion: process.env.AZURE_OPENAI_API_VERSION,
azureOpenAIApiKey: process.env.AZURE_OPENAI_API_KEY,
});
const store = new AzureAISearchVectorStore(embedding, {
endpoint: process.env.AZURE_AISEARCH_ENDPOINT,
key: process.env.AZURE_AISEARCH_KEY,
indexName: process.env.AZURE_AISEARCH_INDEX_NAME,
search: {
type: AzureAISearchQueryType.SimilarityHybrid,
},
});
function getSourceId(document) {
if (document.metadata) {
const mergedMetadata = Object.values(document.metadata).join("");
const metatDataObj = JSON.parse(mergedMetadata);
if ("sourceURL" in metatDataObj) {
return metatDataObj.sourceURL;
}
if ("source" in metatDataObj) {
return metatDataObj.source;
}
if ("source_id" in metatDataObj) {
return metatDataObj.source_id;
}
if ("sourceName" in metatDataObj) {
return metatDataObj.sourceName;
}
} else return "no source found";
}
const filter = {
filterExpression: `search.in(company, '${company}')`,
};
const resultDocuments = await store.similaritySearch(query, 20, filter);
const sources = resultDocuments.map((doc) => ({
source_id: getSourceId(doc),
text: doc.pageContent,
}));
const cqaSources = {
instances: [
{
sources: sources,
question: query,
knowledgebase_description: process.env.AZURE_AISEARCH_INDEX_NAME,
extra_guidance: "",
language_code: "en-GB",
},
],
};
console.log(JSON.stringify(cqaSources, null, 2));