n8n/packages/nodes-base/nodes/Reddit/Reddit.node.ts
Iván Ovejero 0d9eeea024
refactor(core): Introduce overload for record-type node parameter (no-changelog) (#4648)
* 📘 Set up overload

* 🔥 Remove inferrable record assertions

* 👕 Fix semicolon

* 👕 Fix another semicolon
2022-11-18 16:29:44 +01:00

446 lines
14 KiB
TypeScript

import { IExecuteFunctions } from 'n8n-core';
import {
IDataObject,
INodeExecutionData,
INodeType,
INodeTypeDescription,
NodeApiError,
} from 'n8n-workflow';
import { handleListing, redditApiRequest } from './GenericFunctions';
import { postCommentFields, postCommentOperations } from './PostCommentDescription';
import { postFields, postOperations } from './PostDescription';
import { profileFields, profileOperations } from './ProfileDescription';
import { subredditFields, subredditOperations } from './SubredditDescription';
import { userFields, userOperations } from './UserDescription';
export class Reddit implements INodeType {
description: INodeTypeDescription = {
displayName: 'Reddit',
name: 'reddit',
icon: 'file:reddit.svg',
group: ['transform'],
version: 1,
subtitle: '={{$parameter["operation"] + ": " + $parameter["resource"]}}',
description: 'Consume the Reddit API',
defaults: {
name: 'Reddit',
},
inputs: ['main'],
outputs: ['main'],
credentials: [
{
name: 'redditOAuth2Api',
required: true,
displayOptions: {
show: {
resource: ['postComment', 'post', 'profile'],
},
},
},
],
properties: [
{
displayName: 'Resource',
name: 'resource',
type: 'options',
noDataExpression: true,
options: [
{
name: 'Post',
value: 'post',
},
{
name: 'Post Comment',
value: 'postComment',
},
{
name: 'Profile',
value: 'profile',
},
{
name: 'Subreddit',
value: 'subreddit',
},
{
name: 'User',
value: 'user',
},
],
default: 'post',
},
...postCommentOperations,
...postCommentFields,
...profileOperations,
...profileFields,
...subredditOperations,
...subredditFields,
...postOperations,
...postFields,
...userOperations,
...userFields,
],
};
async execute(this: IExecuteFunctions): Promise<INodeExecutionData[][]> {
const items = this.getInputData();
const resource = this.getNodeParameter('resource', 0) as string;
const operation = this.getNodeParameter('operation', 0) as string;
let responseData;
const returnData: INodeExecutionData[] = [];
for (let i = 0; i < items.length; i++) {
try {
// *********************************************************************
// post
// *********************************************************************
if (resource === 'post') {
if (operation === 'create') {
// ----------------------------------
// post: create
// ----------------------------------
// https://www.reddit.com/dev/api/#POST_api_submit
const qs: IDataObject = {
title: this.getNodeParameter('title', i),
sr: this.getNodeParameter('subreddit', i),
kind: this.getNodeParameter('kind', i),
};
qs.kind === 'self'
? (qs.text = this.getNodeParameter('text', i))
: (qs.url = this.getNodeParameter('url', i));
if (qs.url) {
qs.resubmit = this.getNodeParameter('resubmit', i);
}
responseData = await redditApiRequest.call(this, 'POST', 'api/submit', qs);
responseData = responseData.json.data;
} else if (operation === 'delete') {
// ----------------------------------
// post: delete
// ----------------------------------
// https://www.reddit.com/dev/api/#POST_api_del
const postTypePrefix = 't3_';
const qs: IDataObject = {
id: postTypePrefix + this.getNodeParameter('postId', i),
};
await redditApiRequest.call(this, 'POST', 'api/del', qs);
responseData = { success: true };
} else if (operation === 'get') {
// ----------------------------------
// post: get
// ----------------------------------
const subreddit = this.getNodeParameter('subreddit', i);
const postId = this.getNodeParameter('postId', i) as string;
const endpoint = `r/${subreddit}/comments/${postId}.json`;
responseData = await redditApiRequest.call(this, 'GET', endpoint, {});
responseData = responseData[0].data.children[0].data;
} else if (operation === 'getAll') {
// ----------------------------------
// post: getAll
// ----------------------------------
// https://www.reddit.com/dev/api/#GET_hot
// https://www.reddit.com/dev/api/#GET_new
// https://www.reddit.com/dev/api/#GET_rising
// https://www.reddit.com/dev/api/#GET_{sort}
const subreddit = this.getNodeParameter('subreddit', i);
let endpoint = `r/${subreddit}.json`;
const { category } = this.getNodeParameter('filters', i) as { category: string };
if (category) {
endpoint = `r/${subreddit}/${category}.json`;
}
responseData = await handleListing.call(this, i, endpoint);
} else if (operation === 'search') {
// ----------------------------------
// post: search
// ----------------------------------
// https://www.reddit.com/dev/api/#GET_search
const location = this.getNodeParameter('location', i);
const qs = {
q: this.getNodeParameter('keyword', i),
restrict_sr: location === 'subreddit',
} as IDataObject;
const { sort } = this.getNodeParameter('additionalFields', i);
if (sort) {
qs.sort = sort;
}
let endpoint = '';
if (location === 'allReddit') {
endpoint = 'search.json';
} else {
const subreddit = this.getNodeParameter('subreddit', i);
endpoint = `r/${subreddit}/search.json`;
}
responseData = await handleListing.call(this, i, endpoint, qs);
const returnAll = this.getNodeParameter('returnAll', 0);
if (!returnAll) {
const limit = this.getNodeParameter('limit', 0);
responseData = responseData.splice(0, limit);
}
}
} else if (resource === 'postComment') {
// *********************************************************************
// postComment
// *********************************************************************
if (operation === 'create') {
// ----------------------------------
// postComment: create
// ----------------------------------
// https://www.reddit.com/dev/api/#POST_api_comment
const postTypePrefix = 't3_';
const qs: IDataObject = {
text: this.getNodeParameter('commentText', i),
thing_id: postTypePrefix + this.getNodeParameter('postId', i),
};
responseData = await redditApiRequest.call(this, 'POST', 'api/comment', qs);
responseData = responseData.json.data.things[0].data;
} else if (operation === 'getAll') {
// ----------------------------------
// postComment: getAll
// ----------------------------------
// https://www.reddit.com/r/{subrreddit}/comments/{postId}.json
const subreddit = this.getNodeParameter('subreddit', i);
const postId = this.getNodeParameter('postId', i) as string;
const endpoint = `r/${subreddit}/comments/${postId}.json`;
responseData = await handleListing.call(this, i, endpoint);
} else if (operation === 'delete') {
// ----------------------------------
// postComment: delete
// ----------------------------------
// https://www.reddit.com/dev/api/#POST_api_del
const commentTypePrefix = 't1_';
const qs: IDataObject = {
id: commentTypePrefix + this.getNodeParameter('commentId', i),
};
await redditApiRequest.call(this, 'POST', 'api/del', qs);
responseData = { success: true };
} else if (operation === 'reply') {
// ----------------------------------
// postComment: reply
// ----------------------------------
// https://www.reddit.com/dev/api/#POST_api_comment
const commentTypePrefix = 't1_';
const qs: IDataObject = {
text: this.getNodeParameter('replyText', i),
thing_id: commentTypePrefix + this.getNodeParameter('commentId', i),
};
responseData = await redditApiRequest.call(this, 'POST', 'api/comment', qs);
responseData = responseData.json.data.things[0].data;
}
} else if (resource === 'profile') {
// *********************************************************************
// profile
// *********************************************************************
if (operation === 'get') {
// ----------------------------------
// profile: get
// ----------------------------------
// https://www.reddit.com/dev/api/#GET_api_v1_me
// https://www.reddit.com/dev/api/#GET_api_v1_me_karma
// https://www.reddit.com/dev/api/#GET_api_v1_me_prefs
// https://www.reddit.com/dev/api/#GET_api_v1_me_trophies
// https://www.reddit.com/dev/api/#GET_prefs_{where}
const endpoints: { [key: string]: string } = {
identity: 'me',
blockedUsers: 'me/blocked',
friends: 'me/friends',
karma: 'me/karma',
prefs: 'me/prefs',
trophies: 'me/trophies',
};
const details = this.getNodeParameter('details', i) as string;
const endpoint = `api/v1/${endpoints[details]}`;
let username;
if (details === 'saved') {
({ name: username } = await redditApiRequest.call(this, 'GET', `api/v1/me`, {}));
}
responseData =
details === 'saved'
? await handleListing.call(this, i, `user/${username}/saved.json`)
: await redditApiRequest.call(this, 'GET', endpoint, {});
if (details === 'identity') {
responseData = responseData.features;
} else if (details === 'friends') {
responseData = responseData.data.children;
if (!responseData.length) {
throw new NodeApiError(this.getNode(), responseData);
}
} else if (details === 'karma') {
responseData = responseData.data;
if (!responseData.length) {
throw new NodeApiError(this.getNode(), responseData);
}
} else if (details === 'trophies') {
responseData = responseData.data.trophies.map((trophy: IDataObject) => trophy.data);
}
}
} else if (resource === 'subreddit') {
// *********************************************************************
// subreddit
// *********************************************************************
if (operation === 'get') {
// ----------------------------------
// subreddit: get
// ----------------------------------
// https://www.reddit.com/dev/api/#GET_r_{subreddit}_about
// https://www.reddit.com/dev/api/#GET_r_{subreddit}_about_rules
const subreddit = this.getNodeParameter('subreddit', i);
const content = this.getNodeParameter('content', i) as string;
const endpoint = `r/${subreddit}/about/${content}.json`;
responseData = await redditApiRequest.call(this, 'GET', endpoint, {});
if (content === 'rules') {
responseData = responseData.rules;
} else if (content === 'about') {
responseData = responseData.data;
}
} else if (operation === 'getAll') {
// ----------------------------------
// subreddit: getAll
// ----------------------------------
// https://www.reddit.com/dev/api/#GET_api_trending_subreddits
// https://www.reddit.com/dev/api/#POST_api_search_subreddits
// https://www.reddit.com/r/subreddits.json
const filters = this.getNodeParameter('filters', i);
if (filters.trending) {
const returnAll = this.getNodeParameter('returnAll', 0);
const endpoint = 'api/trending_subreddits.json';
responseData = await redditApiRequest.call(this, 'GET', endpoint, {});
responseData = responseData.subreddit_names.map((name: string) => ({ name }));
if (returnAll === false) {
const limit = this.getNodeParameter('limit', 0);
responseData = responseData.splice(0, limit);
}
} else if (filters.keyword) {
const qs: IDataObject = {};
qs.query = filters.keyword;
const endpoint = 'api/search_subreddits.json';
responseData = await redditApiRequest.call(this, 'POST', endpoint, qs);
const returnAll = this.getNodeParameter('returnAll', 0);
if (returnAll === false) {
const limit = this.getNodeParameter('limit', 0);
responseData = responseData.subreddits.splice(0, limit);
}
} else {
const endpoint = 'r/subreddits.json';
responseData = await handleListing.call(this, i, endpoint);
}
}
} else if (resource === 'user') {
// *********************************************************************
// user
// *********************************************************************
if (operation === 'get') {
// ----------------------------------
// user: get
// ----------------------------------
// https://www.reddit.com/dev/api/#GET_user_{username}_{where}
const username = this.getNodeParameter('username', i) as string;
const details = this.getNodeParameter('details', i) as string;
const endpoint = `user/${username}/${details}.json`;
responseData =
details === 'about'
? await redditApiRequest.call(this, 'GET', endpoint, {})
: await handleListing.call(this, i, endpoint);
if (details === 'about') {
responseData = responseData.data;
}
}
}
const executionData = this.helpers.constructExecutionMetaData(
this.helpers.returnJsonArray(responseData),
{ 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 this.prepareOutputData(returnData);
}
}