Merge pull request #213 from FlowiseAI/feature/NotionDB

Feature/Add NotionDB

packages/components/nodes/documentloaders/NotionDB/NotionDB.ts

@@ -0,0 +1,101 @@
+import { INode, INodeData, INodeParams } from '../../../src/Interface'
+import { TextSplitter } from 'langchain/text_splitter'
+import { NotionDBLoader, NotionDBLoaderParams } from 'langchain/document_loaders/web/notiondb'
+
+class NotionDB_DocumentLoaders implements INode {
+    label: string
+    name: string
+    description: string
+    type: string
+    icon: string
+    category: string
+    baseClasses: string[]
+    inputs: INodeParams[]
+
+    constructor() {
+        this.label = 'Notion Database'
+        this.name = 'notionDB'
+        this.type = 'Document'
+        this.icon = 'notion.png'
+        this.category = 'Document Loaders'
+        this.description = 'Load data from Notion Database ID'
+        this.baseClasses = [this.type]
+        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/<long_hash_1>?v=<long_hash_2>, then <long_hash_1> is the database ID'
+            },
+            {
+                label: 'Notion Integration Token',
+                name: 'notionIntegrationToken',
+                type: 'password',
+                description:
+                    'You can find integration token <a target="_blank" href="https://developers.notion.com/docs/create-a-notion-integration#step-1-create-an-integration">here</a>'
+            },
+            {
+                label: 'Page Size Limit',
+                name: 'pageSizeLimit',
+                type: 'number',
+                default: 10
+            },
+            {
+                label: 'Metadata',
+                name: 'metadata',
+                type: 'json',
+                optional: true,
+                additionalParams: true
+            }
+        ]
+    }
+
+    async init(nodeData: INodeData): Promise<any> {
+        const textSplitter = nodeData.inputs?.textSplitter as TextSplitter
+        const databaseId = nodeData.inputs?.databaseId as string
+        const notionIntegrationToken = nodeData.inputs?.notionIntegrationToken as string
+        const pageSizeLimit = nodeData.inputs?.pageSizeLimit as string
+        const metadata = nodeData.inputs?.metadata
+
+        const obj: NotionDBLoaderParams = {
+            pageSizeLimit: pageSizeLimit ? parseInt(pageSizeLimit, 10) : 10,
+            databaseId,
+            notionIntegrationToken
+        }
+        const loader = new NotionDBLoader(obj)
+
+        let docs = []
+        if (textSplitter) {
+            docs = await loader.loadAndSplit(textSplitter)
+        } else {
+            docs = await loader.load()
+        }
+
+        if (metadata) {
+            const parsedMetadata = typeof metadata === 'object' ? metadata : JSON.parse(metadata)
+            let finaldocs = []
+            for (const doc of docs) {
+                const newdoc = {
+                    ...doc,
+                    metadata: {
+                        ...doc.metadata,
+                        ...parsedMetadata
+                    }
+                }
+                finaldocs.push(newdoc)
+            }
+            return finaldocs
+        }
+
+        return docs
+    }
+}
+
+module.exports = { nodeClass: NotionDB_DocumentLoaders }

packages/components/nodes/documentloaders/NotionFolder/NotionFolder.ts

@@ -2,7 +2,7 @@ import { INode, INodeData, INodeParams } from '../../../src/Interface'
 import { TextSplitter } from 'langchain/text_splitter'
 import { NotionLoader } from 'langchain/document_loaders/fs/notion'
 
-class Notion_DocumentLoaders implements INode {
+class NotionFolder_DocumentLoaders implements INode {
     label: string
     name: string
     description: string
@@ -18,7 +18,7 @@ class Notion_DocumentLoaders implements INode {
         this.type = 'Document'
         this.icon = 'notion.png'
         this.category = 'Document Loaders'
-        this.description = `Load data from Notion folder`
+        this.description = 'Load data from the exported and unzipped Notion folder'
         this.baseClasses = [this.type]
         this.inputs = [
             {
@@ -78,4 +78,4 @@ class Notion_DocumentLoaders implements INode {
     }
 }
 
-module.exports = { nodeClass: Notion_DocumentLoaders }
+module.exports = { nodeClass: NotionFolder_DocumentLoaders }

packages/components/package.json

@@ -30,7 +30,7 @@
         "express": "^4.17.3",
         "form-data": "^4.0.0",
         "graphql": "^16.6.0",
-        "langchain": "^0.0.82",
+        "langchain": "^0.0.84",
         "linkifyjs": "^4.1.1",
         "mammoth": "^1.5.1",
         "moment": "^2.29.3",