From 2c0a8723f941fba6d956f5d5c4a5e89fd11db80b Mon Sep 17 00:00:00 2001
From: drobnikj <drobnik.j@gmail.com>
Date: Fri, 23 Jun 2023 13:41:59 +0200
Subject: [PATCH] feat: add document loader for Apify Website Content Crawler

---
 .../ApifyWebsiteContentCrawler.ts             | 68 +++++++++++++++++++
 .../apify-symbol-transparent.svg              |  1 +
 packages/components/package.json              |  1 +
 3 files changed, 70 insertions(+)
 create mode 100644 packages/components/nodes/documentloaders/ApifyWebsiteContentCrawler/ApifyWebsiteContentCrawler.ts
 create mode 100644 packages/components/nodes/documentloaders/ApifyWebsiteContentCrawler/apify-symbol-transparent.svg

diff --git a/packages/components/nodes/documentloaders/ApifyWebsiteContentCrawler/ApifyWebsiteContentCrawler.ts b/packages/components/nodes/documentloaders/ApifyWebsiteContentCrawler/ApifyWebsiteContentCrawler.ts
new file mode 100644
index 00000000..f292ada3
--- /dev/null
+++ b/packages/components/nodes/documentloaders/ApifyWebsiteContentCrawler/ApifyWebsiteContentCrawler.ts
@@ -0,0 +1,68 @@
+import { INode, INodeData, INodeParams } from '../../../src/Interface'
+import { TextSplitter } from 'langchain/text_splitter'
+import { ApifyDatasetLoader } from 'langchain/document_loaders/web/apify_dataset'
+import { Document } from 'langchain/document'
+
+class ApifyWebsiteContentCrawler_DocumentLoaders implements INode {
+    label: string
+    name: string
+    description: string
+    type: string
+    icon: string
+    category: string
+    baseClasses: string[]
+    inputs: INodeParams[]
+
+    constructor() {
+        this.label = 'Apify Website Content Crawler'
+        this.name = 'apifyWebsiteContentCrawler'
+        this.type = 'Document'
+        this.icon = 'apify-symbol-transparent.svg'
+        this.category = 'Document Loaders'
+        this.description = 'Load data from Apify Website Content Crawler'
+        this.baseClasses = [this.type]
+        this.inputs = [
+            {
+                label: 'Apify API Token',
+                name: 'apifyApiToken',
+                type: 'password'
+            },
+            {
+                label: 'Input',
+                name: 'input',
+                type: 'json',
+                default: JSON.stringify({
+                    startUrls: [{ url: 'https://js.langchain.com/docs/' }],
+                    maxCrawlPages: 1
+                })
+            },
+            {
+                label: 'Text Splitter',
+                name: 'textSplitter',
+                type: 'TextSplitter',
+                optional: true
+            }
+        ]
+    }
+
+    async init(nodeData: INodeData): Promise<any> {
+        const textSplitter = nodeData.inputs?.textSplitter as TextSplitter
+        const apifyApiToken = nodeData.inputs?.apifyApiToken as string
+        const input = typeof nodeData.inputs?.input === 'object' ? nodeData.inputs?.input : JSON.parse(nodeData.inputs?.input as string)
+
+        const loader = await ApifyDatasetLoader.fromActorCall('apify/website-content-crawler', input, {
+            datasetMappingFunction: (item) =>
+                new Document({
+                    pageContent: (item.text || '') as string,
+                    metadata: { source: item.url }
+                }),
+            clientOptions: {
+                token: apifyApiToken
+            }
+        })
+
+        return textSplitter ? loader.loadAndSplit(textSplitter) : loader.load()
+    }
+}
+
+module.exports = { nodeClass: ApifyWebsiteContentCrawler_DocumentLoaders }
diff --git a/packages/components/nodes/documentloaders/ApifyWebsiteContentCrawler/apify-symbol-transparent.svg b/packages/components/nodes/documentloaders/ApifyWebsiteContentCrawler/apify-symbol-transparent.svg
new file mode 100644
index 00000000..423a3328
--- /dev/null
+++ b/packages/components/nodes/documentloaders/ApifyWebsiteContentCrawler/apify-symbol-transparent.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><defs><style>.cls-1{fill:none;}.cls-2{fill:#97d700;}.cls-3{fill:#71c5e8;}.cls-4{fill:#ff9013;}</style></defs><g id="Trmplate"><rect class="cls-1" width="512" height="512"/><path class="cls-2" d="M163.14,152.65a36.06,36.06,0,0,0-30.77,40.67v0l21.34,152.33,89.74-204.23Z"/><path class="cls-3" d="M379.69,279.56l-8.38-117.1a36.12,36.12,0,0,0-38.53-33.36,17.61,17.61,0,0,0-2.4.26l-34.63,4.79,76.08,170.57A35.94,35.94,0,0,0,379.69,279.56Z"/><path class="cls-4" d="M186.43,382.69a35.88,35.88,0,0,0,18-2.63l130.65-55.13L273,185.65Z"/></g></svg>
\ No newline at end of file
diff --git a/packages/components/package.json b/packages/components/package.json
index e5e0ba00..bc55fb70 100644
--- a/packages/components/package.json
+++ b/packages/components/package.json
@@ -22,6 +22,7 @@
         "@pinecone-database/pinecone": "^0.0.12",
         "@supabase/supabase-js": "^2.21.0",
         "@types/js-yaml": "^4.0.5",
+        "apify-client": "^2.7.1",
         "axios": "^0.27.2",
         "cheerio": "^1.0.0-rc.12",
         "chromadb": "^1.4.2",