first commit

packages/nodes-base/nodes/Google/Books/GenericFunctions.ts

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+import type {
+	IExecuteFunctions,
+	ILoadOptionsFunctions,
+	IDataObject,
+	JsonObject,
+	IHttpRequestMethods,
+	IRequestOptions,
+} from 'n8n-workflow';
+import { NodeApiError } from 'n8n-workflow';
+
+import { getGoogleAccessToken } from '../GenericFunctions';
+
+export async function googleApiRequest(
+	this: IExecuteFunctions | ILoadOptionsFunctions,
+	method: IHttpRequestMethods,
+	resource: string,
+	body: any = {},
+	qs: IDataObject = {},
+	uri?: string,
+	headers: IDataObject = {},
+): Promise<any> {
+	const authenticationMethod = this.getNodeParameter(
+		'authentication',
+		0,
+		'serviceAccount',
+	) as string;
+	const options: IRequestOptions = {
+		headers: {
+			'Content-Type': 'application/json',
+		},
+		method,
+		body,
+		qs,
+		uri: uri || `https://www.googleapis.com/books/${resource}`,
+		json: true,
+	};
+	try {
+		if (Object.keys(headers).length !== 0) {
+			options.headers = Object.assign({}, options.headers, headers);
+		}
+		if (Object.keys(body as IDataObject).length === 0) {
+			delete options.body;
+		}
+
+		if (authenticationMethod === 'serviceAccount') {
+			const credentials = await this.getCredentials<{
+				email: string;
+				privateKey: string;
+			}>('googleApi');
+
+			const { access_token } = await getGoogleAccessToken.call(this, credentials, 'books');
+
+			options.headers!.Authorization = `Bearer ${access_token}`;
+
+			return await this.helpers.request(options);
+		} else {
+			return await this.helpers.requestOAuth2.call(this, 'googleBooksOAuth2Api', options);
+		}
+	} catch (error) {
+		if (error.code === 'ERR_OSSL_PEM_NO_START_LINE') {
+			error.statusCode = '401';
+		}
+
+		throw new NodeApiError(this.getNode(), error as JsonObject);
+	}
+}
+
+export async function googleApiRequestAllItems(
+	this: IExecuteFunctions | ILoadOptionsFunctions,
+	propertyName: string,
+	method: IHttpRequestMethods,
+	endpoint: string,
+
+	body: any = {},
+	query: IDataObject = {},
+): Promise<any> {
+	const returnData: IDataObject[] = [];
+
+	let responseData;
+	query.maxResults = 40;
+
+	do {
+		responseData = await googleApiRequest.call(this, method, endpoint, body, query);
+		returnData.push.apply(returnData, (responseData[propertyName] as IDataObject[]) || []);
+	} while (returnData.length < responseData.totalItems);
+
+	return returnData;
+}

packages/nodes-base/nodes/Google/Books/GoogleBooks.node.json

@@ -0,0 +1,18 @@
+{
+	"node": "n8n-nodes-base.googleBooks",
+	"nodeVersion": "1.0",
+	"codexVersion": "1.0",
+	"categories": ["Miscellaneous"],
+	"resources": {
+		"credentialDocumentation": [
+			{
+				"url": "https://docs.n8n.io/integrations/builtin/credentials/google/oauth-single-service/"
+			}
+		],
+		"primaryDocumentation": [
+			{
+				"url": "https://docs.n8n.io/integrations/builtin/app-nodes/n8n-nodes-base.googlebooks/"
+			}
+		]
+	}
+}

packages/nodes-base/nodes/Google/Books/GoogleBooks.node.ts

@@ -0,0 +1,529 @@
+import type {
+	IExecuteFunctions,
+	IDataObject,
+	INodeExecutionData,
+	INodeType,
+	INodeTypeDescription,
+} from 'n8n-workflow';
+import { NodeConnectionTypes } from 'n8n-workflow';
+
+import { googleApiRequest, googleApiRequestAllItems } from './GenericFunctions';
+
+export interface IGoogleAuthCredentials {
+	email: string;
+	privateKey: string;
+}
+
+export class GoogleBooks implements INodeType {
+	description: INodeTypeDescription = {
+		displayName: 'Google Books',
+		name: 'googleBooks',
+		icon: 'file:googlebooks.svg',
+		group: ['input', 'output'],
+		version: [1, 2],
+		description: 'Read data from Google Books',
+		subtitle: '={{$parameter["operation"] + ": " + $parameter["resource"]}}',
+		defaults: {
+			name: 'Google Books',
+		},
+		usableAsTool: true,
+		inputs: [NodeConnectionTypes.Main],
+		outputs: [NodeConnectionTypes.Main],
+		credentials: [
+			{
+				name: 'googleApi',
+				required: true,
+				displayOptions: {
+					show: {
+						authentication: ['serviceAccount'],
+					},
+				},
+			},
+			{
+				name: 'googleBooksOAuth2Api',
+				required: true,
+				displayOptions: {
+					show: {
+						authentication: ['oAuth2'],
+					},
+				},
+			},
+		],
+		properties: [
+			{
+				displayName: 'Authentication',
+				name: 'authentication',
+				type: 'options',
+				options: [
+					{
+						name: 'Service Account',
+						value: 'serviceAccount',
+					},
+					{
+						name: 'OAuth2',
+						value: 'oAuth2',
+					},
+				],
+				default: 'serviceAccount',
+				displayOptions: {
+					show: {
+						'@version': [1],
+					},
+				},
+			},
+			{
+				displayName: 'Authentication',
+				name: 'authentication',
+				type: 'options',
+				options: [
+					{
+						// eslint-disable-next-line n8n-nodes-base/node-param-display-name-miscased
+						name: 'OAuth2 (recommended)',
+						value: 'oAuth2',
+					},
+					{
+						name: 'Service Account',
+						value: 'serviceAccount',
+					},
+				],
+				default: 'oAuth2',
+				displayOptions: {
+					show: {
+						'@version': [2],
+					},
+				},
+			},
+			{
+				displayName: 'Resource',
+				name: 'resource',
+				type: 'options',
+				noDataExpression: true,
+				options: [
+					{
+						name: 'Bookshelf',
+						value: 'bookshelf',
+					},
+					{
+						name: 'Bookshelf Volume',
+						value: 'bookshelfVolume',
+					},
+					{
+						name: 'Volume',
+						value: 'volume',
+					},
+				],
+				default: 'bookshelf',
+			},
+			{
+				displayName: 'Operation',
+				name: 'operation',
+				type: 'options',
+				noDataExpression: true,
+				options: [
+					{
+						name: 'Get',
+						value: 'get',
+						description: 'Retrieve a specific bookshelf resource for the specified user',
+						action: 'Get a bookshelf',
+					},
+					{
+						name: 'Get Many',
+						value: 'getAll',
+						description: 'Get many public bookshelf resource for the specified user',
+						action: 'Get many bookshelves',
+					},
+				],
+				displayOptions: {
+					show: {
+						resource: ['bookshelf'],
+					},
+				},
+				default: 'get',
+			},
+			{
+				displayName: 'Operation',
+				name: 'operation',
+				type: 'options',
+				noDataExpression: true,
+				options: [
+					{
+						name: 'Add',
+						value: 'add',
+						description: 'Add a volume to a bookshelf',
+						action: 'Add a bookshelf volume',
+					},
+					{
+						name: 'Clear',
+						value: 'clear',
+						description: 'Clears all volumes from a bookshelf',
+						action: 'Clear a bookshelf volume',
+					},
+					{
+						name: 'Get Many',
+						value: 'getAll',
+						description: 'Get many volumes in a specific bookshelf for the specified user',
+						action: 'Get many bookshelf volumes',
+					},
+					{
+						name: 'Move',
+						value: 'move',
+						description: 'Moves a volume within a bookshelf',
+						action: 'Move a bookshelf volume',
+					},
+					{
+						name: 'Remove',
+						value: 'remove',
+						description: 'Removes a volume from a bookshelf',
+						action: 'Remove a bookshelf volume',
+					},
+				],
+				displayOptions: {
+					show: {
+						resource: ['bookshelfVolume'],
+					},
+				},
+				default: 'getAll',
+			},
+			{
+				displayName: 'Operation',
+				name: 'operation',
+				type: 'options',
+				noDataExpression: true,
+				options: [
+					{
+						name: 'Get',
+						value: 'get',
+						description: 'Get a volume resource based on ID',
+						action: 'Get a volume',
+					},
+					{
+						name: 'Get Many',
+						value: 'getAll',
+						description: 'Get many volumes filtered by query',
+						action: 'Get many volumes',
+					},
+				],
+				displayOptions: {
+					show: {
+						resource: ['volume'],
+					},
+				},
+				default: 'get',
+			},
+			{
+				displayName: 'My Library',
+				name: 'myLibrary',
+				type: 'boolean',
+				default: false,
+				required: true,
+				displayOptions: {
+					show: {
+						operation: ['get', 'getAll'],
+						resource: ['bookshelf', 'bookshelfVolume'],
+					},
+				},
+			},
+
+			// ----------------------------------
+			//         All
+			// ----------------------------------
+			{
+				displayName: 'Search Query',
+				name: 'searchQuery',
+				type: 'string',
+				description: 'Full-text search query string',
+				default: '',
+				required: true,
+				displayOptions: {
+					show: {
+						operation: ['getAll'],
+						resource: ['volume'],
+					},
+				},
+			},
+			{
+				displayName: 'User ID',
+				name: 'userId',
+				type: 'string',
+				description: 'ID of user',
+				default: '',
+				required: true,
+				displayOptions: {
+					show: {
+						operation: ['get', 'getAll'],
+						resource: ['bookshelf', 'bookshelfVolume'],
+					},
+					hide: {
+						myLibrary: [true],
+					},
+				},
+			},
+			{
+				displayName: 'Bookshelf ID',
+				name: 'shelfId',
+				type: 'string',
+				description: 'ID of the bookshelf',
+				default: '',
+				required: true,
+				displayOptions: {
+					show: {
+						operation: ['get', 'add', 'clear', 'move', 'remove'],
+						resource: ['bookshelf', 'bookshelfVolume'],
+					},
+				},
+			},
+			{
+				displayName: 'Bookshelf ID',
+				name: 'shelfId',
+				type: 'string',
+				description: 'ID of the bookshelf',
+				default: '',
+				required: true,
+				displayOptions: {
+					show: {
+						operation: ['getAll'],
+						resource: ['bookshelfVolume'],
+					},
+				},
+			},
+			{
+				displayName: 'Volume ID',
+				name: 'volumeId',
+				type: 'string',
+				description: 'ID of the volume',
+				default: '',
+				required: true,
+				displayOptions: {
+					show: {
+						operation: ['add', 'move', 'remove', 'get'],
+						resource: ['bookshelfVolume', 'volume'],
+					},
+				},
+			},
+			{
+				displayName: 'Volume Position',
+				name: 'volumePosition',
+				type: 'string',
+				description:
+					'Position on shelf to move the item (0 puts the item before the current first item, 1 puts it between the first and the second and so on)',
+				default: '',
+				required: true,
+				displayOptions: {
+					show: {
+						operation: ['move'],
+						resource: ['bookshelfVolume'],
+					},
+				},
+			},
+			{
+				displayName: 'Return All',
+				name: 'returnAll',
+				type: 'boolean',
+				displayOptions: {
+					show: {
+						operation: ['getAll'],
+					},
+				},
+				default: false,
+				description: 'Whether to return all results or only up to a given limit',
+			},
+			{
+				displayName: 'Limit',
+				name: 'limit',
+				type: 'number',
+				displayOptions: {
+					show: {
+						operation: ['getAll'],
+						returnAll: [false],
+					},
+				},
+				typeOptions: {
+					minValue: 1,
+					maxValue: 40,
+				},
+				default: 40,
+				description: 'Max number of results to return',
+			},
+		],
+	};
+
+	async execute(this: IExecuteFunctions): Promise<INodeExecutionData[][]> {
+		const items = this.getInputData();
+		const length = items.length;
+		const returnData: INodeExecutionData[] = [];
+		const resource = this.getNodeParameter('resource', 0);
+		const operation = this.getNodeParameter('operation', 0);
+		const qs: IDataObject = {};
+		let responseData;
+
+		for (let i = 0; i < length; i++) {
+			try {
+				if (resource === 'volume') {
+					if (operation === 'get') {
+						const volumeId = this.getNodeParameter('volumeId', i) as string;
+						responseData = await googleApiRequest.call(this, 'GET', `v1/volumes/${volumeId}`, {});
+					} else if (operation === 'getAll') {
+						const searchQuery = this.getNodeParameter('searchQuery', i) as string;
+						const returnAll = this.getNodeParameter('returnAll', i);
+						if (returnAll) {
+							responseData = await googleApiRequestAllItems.call(
+								this,
+								'items',
+								'GET',
+								`v1/volumes?q=${searchQuery}`,
+								{},
+							);
+						} else {
+							qs.maxResults = this.getNodeParameter('limit', i);
+							responseData = await googleApiRequest.call(
+								this,
+								'GET',
+								`v1/volumes?q=${searchQuery}`,
+								{},
+								qs,
+							);
+							responseData = responseData.items || [];
+						}
+					}
+				}
+
+				if (resource === 'bookshelf') {
+					if (operation === 'get') {
+						const shelfId = this.getNodeParameter('shelfId', i) as string;
+						const myLibrary = this.getNodeParameter('myLibrary', i) as boolean;
+						let endpoint;
+						if (!myLibrary) {
+							const userId = this.getNodeParameter('userId', i) as string;
+							endpoint = `v1/users/${userId}/bookshelves/${shelfId}`;
+						} else {
+							endpoint = `v1/mylibrary/bookshelves/${shelfId}`;
+						}
+
+						responseData = await googleApiRequest.call(this, 'GET', endpoint, {});
+					} else if (operation === 'getAll') {
+						const myLibrary = this.getNodeParameter('myLibrary', i) as boolean;
+						const returnAll = this.getNodeParameter('returnAll', i);
+						let endpoint;
+						if (!myLibrary) {
+							const userId = this.getNodeParameter('userId', i) as string;
+							endpoint = `v1/users/${userId}/bookshelves`;
+						} else {
+							endpoint = 'v1/mylibrary/bookshelves';
+						}
+						if (returnAll) {
+							responseData = await googleApiRequestAllItems.call(
+								this,
+								'items',
+								'GET',
+								endpoint,
+								{},
+							);
+						} else {
+							qs.maxResults = this.getNodeParameter('limit', i);
+							responseData = await googleApiRequest.call(this, 'GET', endpoint, {}, qs);
+							responseData = responseData.items || [];
+						}
+					}
+				}
+
+				if (resource === 'bookshelfVolume') {
+					if (operation === 'add') {
+						const shelfId = this.getNodeParameter('shelfId', i) as string;
+						const volumeId = this.getNodeParameter('volumeId', i) as string;
+						const body: IDataObject = {
+							volumeId,
+						};
+						responseData = await googleApiRequest.call(
+							this,
+							'POST',
+							`v1/mylibrary/bookshelves/${shelfId}/addVolume`,
+							body,
+						);
+					}
+
+					if (operation === 'clear') {
+						const shelfId = this.getNodeParameter('shelfId', i) as string;
+						responseData = await googleApiRequest.call(
+							this,
+							'POST',
+							`v1/mylibrary/bookshelves/${shelfId}/clearVolumes`,
+						);
+					}
+
+					if (operation === 'getAll') {
+						const shelfId = this.getNodeParameter('shelfId', i) as string;
+						const returnAll = this.getNodeParameter('returnAll', i);
+						const myLibrary = this.getNodeParameter('myLibrary', i) as boolean;
+						let endpoint;
+						if (!myLibrary) {
+							const userId = this.getNodeParameter('userId', i) as string;
+							endpoint = `v1/users/${userId}/bookshelves/${shelfId}/volumes`;
+						} else {
+							endpoint = `v1/mylibrary/bookshelves/${shelfId}/volumes`;
+						}
+						if (returnAll) {
+							responseData = await googleApiRequestAllItems.call(
+								this,
+								'items',
+								'GET',
+								endpoint,
+								{},
+							);
+						} else {
+							qs.maxResults = this.getNodeParameter('limit', i);
+							responseData = await googleApiRequest.call(this, 'GET', endpoint, {}, qs);
+							responseData = responseData.items || [];
+						}
+					}
+
+					if (operation === 'move') {
+						const shelfId = this.getNodeParameter('shelfId', i) as string;
+						const volumeId = this.getNodeParameter('volumeId', i) as string;
+						const volumePosition = this.getNodeParameter('volumePosition', i) as number;
+						const body: IDataObject = {
+							volumeId,
+							volumePosition,
+						};
+						responseData = await googleApiRequest.call(
+							this,
+							'POST',
+							`v1/mylibrary/bookshelves/${shelfId}/moveVolume`,
+							body,
+						);
+					}
+
+					if (operation === 'remove') {
+						const shelfId = this.getNodeParameter('shelfId', i) as string;
+						const volumeId = this.getNodeParameter('volumeId', i) as string;
+						const body: IDataObject = {
+							volumeId,
+						};
+						responseData = await googleApiRequest.call(
+							this,
+							'POST',
+							`v1/mylibrary/bookshelves/${shelfId}/removeVolume`,
+							body,
+						);
+					}
+				}
+
+				const executionData = this.helpers.constructExecutionMetaData(
+					this.helpers.returnJsonArray(responseData as IDataObject),
+					{ itemData: { item: i } },
+				);
+				returnData.push(...executionData);
+			} catch (error) {
+				if (this.continueOnFail()) {
+					const executionErrorData = this.helpers.constructExecutionMetaData(
+						this.helpers.returnJsonArray({ error: error.message }),
+						{ itemData: { item: i } },
+					);
+					returnData.push(...executionErrorData);
+					continue;
+				}
+				throw error;
+			}
+		}
+		return [returnData];
+	}
+}

packages/nodes-base/nodes/Google/Books/googlebooks.svg

@@ -0,0 +1 @@
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