105 lines
3.5 KiB
TypeScript
105 lines
3.5 KiB
TypeScript
import { ICommonObject, INode, INodeData, INodeParams } from '../../../src/Interface'
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import { TextSplitter } from 'langchain/text_splitter'
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import { NotionAPILoader, NotionAPILoaderOptions } from 'langchain/document_loaders/web/notionapi'
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import { getCredentialData, getCredentialParam } from '../../../src'
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class NotionDB_DocumentLoaders implements INode {
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label: string
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name: string
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version: number
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description: string
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type: string
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icon: string
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category: string
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baseClasses: string[]
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credential: INodeParams
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inputs: INodeParams[]
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constructor() {
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this.label = 'Notion Database'
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this.name = 'notionDB'
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this.version = 1.0
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this.type = 'Document'
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this.icon = 'notion-db.svg'
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this.category = 'Document Loaders'
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this.description = 'Load data from Notion Database (each row is a separate document with all properties as metadata)'
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this.baseClasses = [this.type]
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this.credential = {
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label: 'Connect Credential',
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name: 'credential',
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type: 'credential',
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credentialNames: ['notionApi']
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}
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this.inputs = [
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{
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label: 'Text Splitter',
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name: 'textSplitter',
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type: 'TextSplitter',
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optional: true
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},
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{
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label: 'Notion Database Id',
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name: 'databaseId',
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type: 'string',
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description: 'If your URL looks like - https://www.notion.so/abcdefh?v=long_hash_2, then abcdefh is the database ID'
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},
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{
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label: 'Metadata',
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name: 'metadata',
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type: 'json',
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optional: true,
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additionalParams: true
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}
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]
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}
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async init(nodeData: INodeData, _: string, options: ICommonObject): Promise<any> {
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const textSplitter = nodeData.inputs?.textSplitter as TextSplitter
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const databaseId = nodeData.inputs?.databaseId as string
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const metadata = nodeData.inputs?.metadata
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const credentialData = await getCredentialData(nodeData.credential ?? '', options)
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const notionIntegrationToken = getCredentialParam('notionIntegrationToken', credentialData, nodeData)
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const obj: NotionAPILoaderOptions = {
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clientOptions: {
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auth: notionIntegrationToken
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},
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id: databaseId,
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callerOptions: {
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maxConcurrency: 64 // Default value
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},
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propertiesAsHeader: true, // Prepends a front matter header of the page properties to the page contents
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type: 'database'
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}
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const loader = new NotionAPILoader(obj)
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let docs = []
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if (textSplitter) {
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docs = await loader.loadAndSplit(textSplitter)
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} else {
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docs = await loader.load()
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}
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if (metadata) {
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const parsedMetadata = typeof metadata === 'object' ? metadata : JSON.parse(metadata)
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let finaldocs = []
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for (const doc of docs) {
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const newdoc = {
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...doc,
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metadata: {
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...doc.metadata,
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...parsedMetadata
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}
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}
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finaldocs.push(newdoc)
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}
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return finaldocs
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}
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return docs
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}
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}
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module.exports = { nodeClass: NotionDB_DocumentLoaders }
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