n8n/packages/nodes-base/nodes/Mattermost/Mattermost.node.ts

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import { IExecuteFunctions } from 'n8n-core';
import {
IDataObject,
ILoadOptionsFunctions,
INodeTypeDescription,
INodePropertyOptions,
INodeExecutionData,
INodeType,
} from 'n8n-workflow';
import {
apiRequest,
IAttachment,
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} from './GenericFunctions';
export class Mattermost implements INodeType {
description: INodeTypeDescription = {
displayName: 'Mattermost',
name: 'mattermost',
icon: 'file:mattermost.png',
group: ['output'],
version: 1,
subtitle: '={{$parameter["operation"] + ": " + $parameter["resource"]}}',
description: 'Sends data to Mattermost',
defaults: {
name: 'Mattermost',
color: '#0058CC',
},
inputs: ['main'],
outputs: ['main'],
credentials: [
{
name: 'mattermostApi',
required: true,
}
],
properties: [
{
displayName: 'Resource',
name: 'resource',
type: 'options',
options: [
{
name: 'Channel',
value: 'channel',
},
{
name: 'Message',
value: 'message',
},
{
name: 'User',
value: 'user',
},
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],
default: 'message',
description: 'The resource to operate on.',
},
// ----------------------------------
// operations
// ----------------------------------
{
displayName: 'Operation',
name: 'operation',
type: 'options',
displayOptions: {
show: {
resource: [
'channel',
],
},
},
options: [
{
name: 'Add User',
value: 'addUser',
description: 'Add a user to a channel',
},
{
name: 'Create',
value: 'create',
description: 'Create a new channel',
},
{
name: 'Statistics',
value: 'statistics',
description: 'Get statistics for a channel.',
},
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],
default: 'create',
description: 'The operation to perform.',
},
{
displayName: 'Operation',
name: 'operation',
type: 'options',
displayOptions: {
show: {
resource: [
'message',
],
},
},
options: [
{
name: 'Delete',
value: 'delete',
description: 'Soft deletes a post, by marking the post as deleted in the database.',
},
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{
name: 'Post',
value: 'post',
description: 'Post a message into a channel',
},
],
default: 'post',
description: 'The operation to perform.',
},
// ----------------------------------
// channel
// ----------------------------------
// ----------------------------------
// channel:create
// ----------------------------------
{
displayName: 'Team ID',
name: 'teamId',
type: 'options',
typeOptions: {
loadOptionsMethod: 'getTeams',
},
options: [],
default: '',
required: true,
displayOptions: {
show: {
operation: [
'create'
],
resource: [
'channel',
],
},
},
description: 'The Mattermost Team.',
},
{
displayName: 'Display Name',
name: 'displayName',
type: 'string',
default: '',
placeholder: 'Announcements',
displayOptions: {
show: {
operation: [
'create'
],
resource: [
'channel',
],
},
},
required: true,
description: 'The non-unique UI name for the channel.',
},
{
displayName: 'Name',
name: 'channel',
type: 'string',
default: '',
placeholder: 'announcements',
displayOptions: {
show: {
operation: [
'create'
],
resource: [
'channel',
],
},
},
required: true,
description: 'The unique handle for the channel, will be present in the channel URL.',
},
{
displayName: 'Type',
name: 'type',
type: 'options',
displayOptions: {
show: {
operation: [
'create'
],
resource: [
'channel',
],
},
},
options: [
{
name: 'Private',
value: 'private',
},
{
name: 'Public',
value: 'public',
},
],
default: 'public',
description: 'The type of channel to create.',
},
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// ----------------------------------
// channel:addUser
// ----------------------------------
{
displayName: 'Channel ID',
name: 'channelId',
type: 'options',
typeOptions: {
loadOptionsMethod: 'getChannels',
},
options: [],
default: '',
required: true,
displayOptions: {
show: {
operation: [
'addUser'
],
resource: [
'channel',
],
},
},
description: 'The ID of the channel to invite user to.',
},
{
displayName: 'User ID',
name: 'userId',
type: 'options',
typeOptions: {
loadOptionsMethod: 'getUsers',
},
options: [],
default: '',
required: true,
displayOptions: {
show: {
operation: [
'addUser'
],
resource: [
'channel',
],
},
},
description: 'The ID of the user to invite into channel.',
},
// ----------------------------------
// channel:statistics
// ----------------------------------
{
displayName: 'Channel ID',
name: 'channelId',
type: 'options',
typeOptions: {
loadOptionsMethod: 'getChannels',
},
options: [],
default: '',
required: true,
displayOptions: {
show: {
operation: [
'statistics'
],
resource: [
'channel',
],
},
},
description: 'The ID of the channel to get the statistics from.',
},
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// ----------------------------------
// message
// ----------------------------------
// ----------------------------------
// message:delete
// ----------------------------------
{
displayName: 'Post ID',
name: 'postId',
type: 'string',
required: true,
displayOptions: {
show: {
resource: [
'message',
],
operation: [
'delete',
],
},
},
default: '',
description: 'ID of the post to delete',
},
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// ----------------------------------
// message:post
// ----------------------------------
{
displayName: 'Channel ID',
name: 'channelId',
type: 'options',
typeOptions: {
loadOptionsMethod: 'getChannels',
},
options: [],
default: '',
required: true,
displayOptions: {
show: {
operation: [
'post'
],
resource: [
'message',
],
},
},
description: 'The ID of the channel to post to.',
},
{
displayName: 'Message',
name: 'message',
type: 'string',
typeOptions: {
alwaysOpenEditWindow: true,
},
default: '',
displayOptions: {
show: {
operation: [
'post'
],
resource: [
'message',
],
},
},
description: 'The text to send.',
},
{
displayName: 'Attachments',
name: 'attachments',
type: 'collection',
typeOptions: {
multipleValues: true,
multipleValueButtonText: 'Add attachment',
},
displayOptions: {
show: {
operation: [
'post'
],
resource: [
'message',
],
},
},
default: {},
description: 'The attachment to add',
placeholder: 'Add attachment item',
options: [
{
displayName: 'Fallback Text',
name: 'fallback',
type: 'string',
typeOptions: {
alwaysOpenEditWindow: true,
},
default: '',
description: 'Required plain-text summary of the attachment.',
},
{
displayName: 'Text',
name: 'text',
type: 'string',
typeOptions: {
alwaysOpenEditWindow: true,
},
default: '',
description: 'Text to send.',
},
{
displayName: 'Title',
name: 'title',
type: 'string',
typeOptions: {
alwaysOpenEditWindow: true,
},
default: '',
description: 'Title of the message.',
},
{
displayName: 'Title Link',
name: 'title_link',
type: 'string',
typeOptions: {
alwaysOpenEditWindow: true,
},
default: '',
description: 'Link of the title.',
},
{
displayName: 'Color',
name: 'color',
type: 'color',
default: '#ff0000',
description: 'Color of the line left of text.',
},
{
displayName: 'Pretext',
name: 'pretext',
type: 'string',
typeOptions: {
alwaysOpenEditWindow: true,
},
default: '',
description: 'Text which appears before the message block.',
},
{
displayName: 'Author Name',
name: 'author_name',
type: 'string',
default: '',
description: 'Name that should appear.',
},
{
displayName: 'Author Link',
name: 'author_link',
type: 'string',
typeOptions: {
alwaysOpenEditWindow: true,
},
default: '',
description: 'Link for the author.',
},
{
displayName: 'Author Icon',
name: 'author_icon',
type: 'string',
typeOptions: {
alwaysOpenEditWindow: true,
},
default: '',
description: 'Icon which should appear for the user.',
},
{
displayName: 'Image URL',
name: 'image_url',
type: 'string',
typeOptions: {
alwaysOpenEditWindow: true,
},
default: '',
description: 'URL of image.',
},
{
displayName: 'Thumbnail URL',
name: 'thumb_url',
type: 'string',
typeOptions: {
alwaysOpenEditWindow: true,
},
default: '',
description: 'URL of thumbnail.',
},
{
displayName: 'Footer',
name: 'footer',
type: 'string',
typeOptions: {
alwaysOpenEditWindow: true,
},
default: '',
description: 'Text of footer to add.',
},
{
displayName: 'Footer Icon',
name: 'footer_icon',
type: 'string',
typeOptions: {
alwaysOpenEditWindow: true,
},
default: '',
description: 'Icon which should appear next to footer.',
},
{
displayName: 'Fields',
name: 'fields',
placeholder: 'Add Fields',
description: 'Fields to add to message.',
type: 'fixedCollection',
typeOptions: {
multipleValues: true,
},
default: {},
options: [
{
name: 'item',
displayName: 'Item',
values: [
{
displayName: 'Title',
name: 'title',
type: 'string',
default: '',
description: 'Title of the item.',
},
{
displayName: 'Value',
name: 'value',
type: 'string',
default: '',
description: 'Value of the item.',
},
{
displayName: 'Short',
name: 'short',
type: 'boolean',
default: true,
description: 'If items can be displayed next to each other.',
},
]
},
],
}
],
},
{
displayName: 'Other Options',
name: 'otherOptions',
type: 'collection',
displayOptions: {
show: {
operation: [
'post'
],
resource: [
'message',
],
},
},
default: {},
description: 'Other options to set',
placeholder: 'Add options',
options: [
{
displayName: 'Make Comment',
name: 'root_id',
type: 'string',
default: '',
description: 'The post ID to comment on',
},
],
},
// ----------------------------------
// user
// ----------------------------------
{
displayName: 'Operation',
name: 'operation',
type: 'options',
displayOptions: {
show: {
resource: [
'user',
],
},
},
options: [
{
name: 'Desactive',
value: 'desactive',
description: 'Deactivates the user and revokes all its sessions by archiving its user object.',
},
],
default: '',
description: 'The operation to perform.',
},
// ----------------------------------
// user:desactivate
// ----------------------------------
{
displayName: 'User ID',
name: 'userId',
type: 'string',
required: true,
displayOptions: {
show: {
resource: [
'user',
],
operation: [
'desactive',
],
},
},
default: '',
description: 'User GUID'
},
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],
};
methods = {
loadOptions: {
// Get all the available workspaces to display them to user so that he can
// select them easily
async getChannels(this: ILoadOptionsFunctions): Promise<INodePropertyOptions[]> {
const endpoint = 'channels';
const responseData = await apiRequest.call(this, 'GET', endpoint, {});
if (responseData === undefined) {
throw new Error('No data got returned');
}
const returnData: INodePropertyOptions[] = [];
let name: string;
for (const data of responseData) {
if (data.delete_at !== 0) {
continue;
}
name = `${data.name} (${data.type === 'O' ? 'public' : 'private'})`;
returnData.push({
name,
value: data.id,
});
}
return returnData;
},
async getTeams(this: ILoadOptionsFunctions): Promise<INodePropertyOptions[]> {
const endpoint = 'teams';
const responseData = await apiRequest.call(this, 'GET', endpoint, {});
if (responseData === undefined) {
throw new Error('No data got returned');
}
const returnData: INodePropertyOptions[] = [];
let name: string;
for (const data of responseData) {
if (data.delete_at !== 0) {
continue;
}
name = `${data.display_name} (${data.type === 'O' ? 'public' : 'private'})`;
returnData.push({
name,
value: data.id,
});
}
return returnData;
},
async getUsers(this: ILoadOptionsFunctions): Promise<INodePropertyOptions[]> {
const endpoint = 'users';
const responseData = await apiRequest.call(this, 'GET', endpoint, {});
if (responseData === undefined) {
throw new Error('No data got returned');
}
const returnData: INodePropertyOptions[] = [];
for (const data of responseData) {
if (data.delete_at !== 0) {
continue;
}
returnData.push({
name: data.username,
value: data.id,
});
}
return returnData;
},
},
};
async execute(this: IExecuteFunctions): Promise<INodeExecutionData[][]> {
const items = this.getInputData();
const returnData: IDataObject[] = [];
const credentials = this.getCredentials('mattermostApi');
if (credentials === undefined) {
throw new Error('No credentials got returned!');
}
let operation: string;
let resource: string;
let requestMethod = 'POST';
// For Post
let body: IDataObject;
// For Query string
let qs: IDataObject;
for (let i = 0; i < items.length; i++) {
let endpoint = '';
body = {};
qs = {};
resource = this.getNodeParameter('resource', i) as string;
operation = this.getNodeParameter('operation', i) as string;
if (resource === 'channel') {
if (operation === 'create') {
// ----------------------------------
// channel:create
// ----------------------------------
requestMethod = 'POST';
endpoint = 'channels';
body.team_id = this.getNodeParameter('teamId', i) as string;
body.displayName = this.getNodeParameter('displayName', i) as string;
body.name = this.getNodeParameter('channel', i) as string;
const type = this.getNodeParameter('type', i) as string;
body.type = type === 'public' ? 'O' : 'P';
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} else if (operation === 'addUser') {
// ----------------------------------
// channel:addUser
// ----------------------------------
requestMethod = 'POST';
const channelId = this.getNodeParameter('channelId', i) as string;
body.user_id = this.getNodeParameter('userId', i) as string;
endpoint = `channels/${channelId}/members`;
} else if (operation === 'statistics') {
// ----------------------------------
// channel:statistics
// ----------------------------------
requestMethod = 'GET';
const channelId = this.getNodeParameter('channelId', i) as string;
endpoint = `channels/${channelId}/stats`;
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}
} else if (resource === 'message') {
if (operation === 'delete') {
// ----------------------------------
// message:delete
// ----------------------------------
const postId = this.getNodeParameter('postId', i) as string;
requestMethod = 'DELETE';
endpoint = `posts/${postId}`;
} else if (operation === 'post') {
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// ----------------------------------
// message:post
// ----------------------------------
requestMethod = 'POST';
endpoint = 'posts';
body.channel_id = this.getNodeParameter('channelId', i) as string;
body.message = this.getNodeParameter('message', i) as string;
const attachments = this.getNodeParameter('attachments', i, []) as unknown as IAttachment[];
// The node does save the fields data differently than the API
// expects so fix the data befre we send the request
for (const attachment of attachments) {
if (attachment.fields !== undefined) {
if (attachment.fields.item !== undefined) {
// Move the field-content up
// @ts-ignore
attachment.fields = attachment.fields.item;
} else {
// If it does not have any items set remove it
delete attachment.fields;
}
}
}
body.props = {
attachments,
};
// Add all the other options to the request
const otherOptions = this.getNodeParameter('otherOptions', i) as IDataObject;
Object.assign(body, otherOptions);
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}
} else if (resource === 'user') {
if (operation === 'desactive') {
// ----------------------------------
// user:desactive
// ----------------------------------
const userId = this.getNodeParameter('userId', i) as string;
requestMethod = 'DELETE';
endpoint = `users/${userId}`;
}
}
else {
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throw new Error(`The resource "${resource}" is not known!`);
}
const responseData = await apiRequest.call(this, requestMethod, endpoint, body, qs);
returnData.push(responseData);
}
return [this.helpers.returnJsonArray(returnData)];
}
}