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120 lines
3.3 KiB
TypeScript
120 lines
3.3 KiB
TypeScript
import { IExecuteFunctions, IHookFunctions } from 'n8n-core';
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import { IDataObject, JsonObject, NodeApiError } from 'n8n-workflow';
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import { OptionsWithUri } from 'request';
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/**
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* Make an authenticated or unauthenticated API request to Reddit.
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*/
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export async function redditApiRequest(
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this: IHookFunctions | IExecuteFunctions,
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method: string,
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endpoint: string,
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qs: IDataObject,
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// tslint:disable-next-line:no-any
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): Promise<any> {
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const resource = this.getNodeParameter('resource', 0) as string;
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const authRequired = ['profile', 'post', 'postComment'].includes(resource);
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qs.api_type = 'json';
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const options: OptionsWithUri = {
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headers: {
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'user-agent': 'n8n',
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},
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method,
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uri: authRequired
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? `https://oauth.reddit.com/${endpoint}`
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: `https://www.reddit.com/${endpoint}`,
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qs,
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json: true,
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};
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if (!Object.keys(qs).length) {
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delete options.qs;
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}
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if (authRequired) {
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try {
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return await this.helpers.requestOAuth2.call(this, 'redditOAuth2Api', options);
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} catch (error) {
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throw new NodeApiError(this.getNode(), error as JsonObject);
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}
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} else {
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try {
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return await this.helpers.request.call(this, options);
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} catch (error) {
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throw new NodeApiError(this.getNode(), error as JsonObject);
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}
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}
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}
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/**
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* Make an unauthenticated API request to Reddit and return all results.
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*/
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export async function redditApiRequestAllItems(
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this: IHookFunctions | IExecuteFunctions,
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method: string,
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endpoint: string,
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qs: IDataObject,
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// tslint:disable-next-line:no-any
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): Promise<any> {
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let responseData;
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const returnData: IDataObject[] = [];
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const resource = this.getNodeParameter('resource', 0) as string;
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const operation = this.getNodeParameter('operation', 0) as string;
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const returnAll = this.getNodeParameter('returnAll', 0, false) as boolean;
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qs.limit = 100;
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do {
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responseData = await redditApiRequest.call(this, method, endpoint, qs);
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if (!Array.isArray(responseData)) {
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qs.after = responseData.data.after;
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}
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if (endpoint === 'api/search_subreddits.json') {
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responseData.subreddits.forEach((child: any) => returnData.push(child)); // tslint:disable-line:no-any
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} else if (resource === 'postComment' && operation === 'getAll') {
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responseData[1].data.children.forEach((child: any) => returnData.push(child.data)); // tslint:disable-line:no-any
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} else {
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responseData.data.children.forEach((child: any) => returnData.push(child.data)); // tslint:disable-line:no-any
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}
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if (qs.limit && returnData.length >= qs.limit && returnAll === false) {
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return returnData;
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}
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} while (responseData.data && responseData.data.after);
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return returnData;
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}
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/**
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* Handles a large Reddit listing by returning all items or up to a limit.
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*/
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export async function handleListing(
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this: IExecuteFunctions,
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i: number,
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endpoint: string,
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qs: IDataObject = {},
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requestMethod: 'GET' | 'POST' = 'GET',
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// tslint:disable-next-line:no-any
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): Promise<any> {
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let responseData;
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const returnAll = this.getNodeParameter('returnAll', i);
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if (returnAll) {
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responseData = await redditApiRequestAllItems.call(this, requestMethod, endpoint, qs);
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} else {
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const limit = this.getNodeParameter('limit', i);
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qs.limit = limit;
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responseData = await redditApiRequestAllItems.call(this, requestMethod, endpoint, qs);
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responseData = responseData.slice(0, limit);
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}
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return responseData;
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}
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