n8n/packages/nodes-base/nodes/Reddit/GenericFunctions.ts
कारतोफ्फेलस्क्रिप्ट™ 7a4e9ef5fa
refactor: Remove n8n-core dependency in nodes-base (no-changelog) (#5649)
2023-03-09 18:13:15 +01:00

120 lines
3.1 KiB
TypeScript

import type { IExecuteFunctions, IHookFunctions, IDataObject, JsonObject } from 'n8n-workflow';
import { NodeApiError } from 'n8n-workflow';
import type { OptionsWithUri } from 'request';
/**
* Make an authenticated or unauthenticated API request to Reddit.
*/
export async function redditApiRequest(
this: IHookFunctions | IExecuteFunctions,
method: string,
endpoint: string,
qs: IDataObject,
): Promise<any> {
const resource = this.getNodeParameter('resource', 0) as string;
const authRequired = ['profile', 'post', 'postComment'].includes(resource);
qs.api_type = 'json';
const options: OptionsWithUri = {
headers: {
'user-agent': 'n8n',
},
method,
uri: authRequired
? `https://oauth.reddit.com/${endpoint}`
: `https://www.reddit.com/${endpoint}`,
qs,
json: true,
};
if (!Object.keys(qs).length) {
delete options.qs;
}
if (authRequired) {
try {
return await this.helpers.requestOAuth2.call(this, 'redditOAuth2Api', options);
} catch (error) {
throw new NodeApiError(this.getNode(), error as JsonObject);
}
} else {
try {
return await this.helpers.request.call(this, options);
} catch (error) {
throw new NodeApiError(this.getNode(), error as JsonObject);
}
}
}
/**
* Make an unauthenticated API request to Reddit and return all results.
*/
export async function redditApiRequestAllItems(
this: IHookFunctions | IExecuteFunctions,
method: string,
endpoint: string,
qs: IDataObject,
): Promise<any> {
let responseData;
const returnData: IDataObject[] = [];
const resource = this.getNodeParameter('resource', 0);
const operation = this.getNodeParameter('operation', 0);
const returnAll = this.getNodeParameter('returnAll', 0, false) as boolean;
qs.limit = 100;
do {
responseData = await redditApiRequest.call(this, method, endpoint, qs);
if (!Array.isArray(responseData)) {
qs.after = responseData.data.after;
}
if (endpoint === 'api/search_subreddits.json') {
responseData.subreddits.forEach((child: any) => returnData.push(child as IDataObject));
} else if (resource === 'postComment' && operation === 'getAll') {
responseData[1].data.children.forEach((child: any) =>
returnData.push(child.data as IDataObject),
);
} else {
responseData.data.children.forEach((child: any) =>
returnData.push(child.data as IDataObject),
);
}
if (qs.limit && returnData.length >= qs.limit && !returnAll) {
return returnData;
}
} while (responseData.data?.after);
return returnData;
}
/**
* Handles a large Reddit listing by returning all items or up to a limit.
*/
export async function handleListing(
this: IExecuteFunctions,
i: number,
endpoint: string,
qs: IDataObject = {},
requestMethod: 'GET' | 'POST' = 'GET',
): Promise<any> {
let responseData;
const returnAll = this.getNodeParameter('returnAll', i);
if (returnAll) {
responseData = await redditApiRequestAllItems.call(this, requestMethod, endpoint, qs);
} else {
const limit = this.getNodeParameter('limit', i);
qs.limit = limit;
responseData = await redditApiRequestAllItems.call(this, requestMethod, endpoint, qs);
responseData = responseData.slice(0, limit);
}
return responseData;
}