132 lines
4.6 KiB
TypeScript
132 lines
4.6 KiB
TypeScript
import { omit } from 'lodash'
|
|
import { ICommonObject, IDocument, INode, INodeData, INodeParams } from '../../../src/Interface'
|
|
import { TextSplitter } from 'langchain/text_splitter'
|
|
import { NotionAPILoader, NotionAPILoaderOptions } from 'langchain/document_loaders/web/notionapi'
|
|
import { getCredentialData, getCredentialParam } from '../../../src'
|
|
|
|
class NotionDB_DocumentLoaders implements INode {
|
|
label: string
|
|
name: string
|
|
version: number
|
|
description: string
|
|
type: string
|
|
icon: string
|
|
category: string
|
|
baseClasses: string[]
|
|
credential: INodeParams
|
|
inputs: INodeParams[]
|
|
|
|
constructor() {
|
|
this.label = 'Notion Database'
|
|
this.name = 'notionDB'
|
|
this.version = 1.0
|
|
this.type = 'Document'
|
|
this.icon = 'notion-db.svg'
|
|
this.category = 'Document Loaders'
|
|
this.description = 'Load data from Notion Database (each row is a separate document with all properties as metadata)'
|
|
this.baseClasses = [this.type]
|
|
this.credential = {
|
|
label: 'Connect Credential',
|
|
name: 'credential',
|
|
type: 'credential',
|
|
credentialNames: ['notionApi']
|
|
}
|
|
this.inputs = [
|
|
{
|
|
label: 'Text Splitter',
|
|
name: 'textSplitter',
|
|
type: 'TextSplitter',
|
|
optional: true
|
|
},
|
|
{
|
|
label: 'Notion Database Id',
|
|
name: 'databaseId',
|
|
type: 'string',
|
|
description: 'If your URL looks like - https://www.notion.so/abcdefh?v=long_hash_2, then abcdefh is the database ID'
|
|
},
|
|
{
|
|
label: 'Additional Metadata',
|
|
name: 'metadata',
|
|
type: 'json',
|
|
description: 'Additional metadata to be added to the extracted documents',
|
|
optional: true,
|
|
additionalParams: true
|
|
},
|
|
{
|
|
label: 'Omit Metadata Keys',
|
|
name: 'omitMetadataKeys',
|
|
type: 'string',
|
|
rows: 4,
|
|
description:
|
|
'Each document loader comes with a default set of metadata keys that are extracted from the document. You can use this field to omit some of the default metadata keys. The value should be a list of keys, seperated by comma',
|
|
placeholder: 'key1, key2, key3.nestedKey1',
|
|
optional: true,
|
|
additionalParams: true
|
|
}
|
|
]
|
|
}
|
|
|
|
async init(nodeData: INodeData, _: string, options: ICommonObject): Promise<any> {
|
|
const textSplitter = nodeData.inputs?.textSplitter as TextSplitter
|
|
const databaseId = nodeData.inputs?.databaseId as string
|
|
const metadata = nodeData.inputs?.metadata
|
|
const _omitMetadataKeys = nodeData.inputs?.omitMetadataKeys as string
|
|
|
|
let omitMetadataKeys: string[] = []
|
|
if (_omitMetadataKeys) {
|
|
omitMetadataKeys = _omitMetadataKeys.split(',').map((key) => key.trim())
|
|
}
|
|
|
|
const credentialData = await getCredentialData(nodeData.credential ?? '', options)
|
|
const notionIntegrationToken = getCredentialParam('notionIntegrationToken', credentialData, nodeData)
|
|
|
|
const obj: NotionAPILoaderOptions = {
|
|
clientOptions: {
|
|
auth: notionIntegrationToken
|
|
},
|
|
id: databaseId,
|
|
callerOptions: {
|
|
maxConcurrency: 64 // Default value
|
|
},
|
|
propertiesAsHeader: true, // Prepends a front matter header of the page properties to the page contents
|
|
type: 'database'
|
|
}
|
|
const loader = new NotionAPILoader(obj)
|
|
|
|
let docs: IDocument[] = []
|
|
if (textSplitter) {
|
|
docs = await loader.loadAndSplit(textSplitter)
|
|
} else {
|
|
docs = await loader.load()
|
|
}
|
|
|
|
if (metadata) {
|
|
const parsedMetadata = typeof metadata === 'object' ? metadata : JSON.parse(metadata)
|
|
docs = docs.map((doc) => ({
|
|
...doc,
|
|
metadata: omit(
|
|
{
|
|
...doc.metadata,
|
|
...parsedMetadata
|
|
},
|
|
omitMetadataKeys
|
|
)
|
|
}))
|
|
} else {
|
|
docs = docs.map((doc) => ({
|
|
...doc,
|
|
metadata: omit(
|
|
{
|
|
...doc.metadata
|
|
},
|
|
omitMetadataKeys
|
|
)
|
|
}))
|
|
}
|
|
|
|
return docs
|
|
}
|
|
}
|
|
|
|
module.exports = { nodeClass: NotionDB_DocumentLoaders }
|