Merge pull request #646 from denchi/feature/GoogleCustomSearch

Feature/google custom search

packages/components/credentials/GoogleSearchApi.credential.ts

@@ -0,0 +1,31 @@
+import { INodeParams, INodeCredential } from '../src/Interface'
+
+class GoogleSearchApi implements INodeCredential {
+    label: string
+    name: string
+    version: number
+    description: string
+    inputs: INodeParams[]
+
+    constructor() {
+        this.label = 'Google Custom Search API'
+        this.name = 'googleCustomSearchApi'
+        this.version = 1.0
+        this.description =
+            'Please refer to the <a target="_blank" href="https://console.cloud.google.com/apis/credentials">Google Cloud Console</a> for instructions on how to create an API key, and visit the <a target="_blank" href="https://programmablesearchengine.google.com/controlpanel/create">Search Engine Creation page</a> to learn how to generate your Search Engine ID.'
+        this.inputs = [
+            {
+                label: 'Google Custom Search Api Key',
+                name: 'googleCustomSearchApiKey',
+                type: 'password'
+            },
+            {
+                label: 'Programmable Search Engine ID',
+                name: 'googleCustomSearchApiId',
+                type: 'string'
+            }
+        ]
+    }
+}
+
+module.exports = { credClass: GoogleSearchApi }

packages/components/nodes/tools/GoogleSearchAPI/GoogleSearchAPI.ts

@@ -0,0 +1,43 @@
+import { ICommonObject, INode, INodeData, INodeParams } from '../../../src/Interface'
+import { getBaseClasses, getCredentialData, getCredentialParam } from '../../../src/utils'
+import { GoogleCustomSearch } from 'langchain/tools'
+
+class GoogleCustomSearchAPI_Tools 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 = 'Google Custom Search'
+        this.name = 'googleCustomSearch'
+        this.version = 1.0
+        this.type = 'GoogleCustomSearchAPI'
+        this.icon = 'google.png'
+        this.category = 'Tools'
+        this.description = 'Wrapper around Google Custom Search API - a real-time API to access Google search results'
+        this.inputs = []
+        this.credential = {
+            label: 'Connect Credential',
+            name: 'credential',
+            type: 'credential',
+            credentialNames: ['googleCustomSearchApi']
+        }
+        this.baseClasses = [this.type, ...getBaseClasses(GoogleCustomSearch)]
+    }
+
+    async init(nodeData: INodeData, _: string, options: ICommonObject): Promise<any> {
+        const credentialData = await getCredentialData(nodeData.credential ?? '', options)
+        const googleApiKey = getCredentialParam('googleCustomSearchApiKey', credentialData, nodeData)
+        const googleCseId = getCredentialParam('googleCustomSearchApiId', credentialData, nodeData)
+        return new GoogleCustomSearch({ apiKey: googleApiKey, googleCSEId: googleCseId })
+    }
+}
+
+module.exports = { nodeClass: GoogleCustomSearchAPI_Tools }