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https://github.com/hobbyquaker/waldorf

Simple Mattermost Bot 🤡🤠
https://github.com/hobbyquaker/waldorf

bot chat javascript mattermost nodejs

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Simple Mattermost Bot 🤡🤠

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README

        

# Waldorf

[mit-badge]: https://img.shields.io/badge/License-MIT-blue.svg?style=flat
[mit-url]: LICENSE
[![License][mit-badge]][mit-url]
[![NPM version](https://badge.fury.io/js/waldorf.svg)](http://badge.fury.io/js/waldorf)
[![Dependency Status](https://david-dm.org/hobbyquaker/waldorf/status.svg)](https://david-dm.org/hobbyquaker/waldorf)
[![devDependency Status](https://david-dm.org/hobbyquaker/waldorf/dev-status.svg)](https://david-dm.org/hobbyquaker/waldorf?type=dev)

> Simple Mattermost Bot 🤡🤠

Uses Webhooks

# Installation

* Prerequisites: [Node.js](https://nodejs.org)
* Install Waldorf `sudo npm install -g waldorf`
* Create a directory for the Scripts e.g. `mkdir /opt/waldorf`

# Mattermost Setup

* In the System Console - Integrations - Custom Integrations:
* Enable Incoming Webhooks
* Enable Outgoing Webhooks
* Enable Integrations to Override Usernames

* Create the Webhooks in the Team Settings - Integrations
* an Incoming Webhook for every Channel where Waldorf should be able to say something
* an Outgoing Webhook, you don't need to select a Channel here - then Waldorf will be able to subscribe to messages
in every Channel. Define desired Trigger Words, e.g. "@waldorf". As Callback URL you need to supply the IP Address
and the Port where Waldorf listens, if Waldorf runs on the same server as Mattermost you can use e.g.
http://127.0.0.1:31337


# Start Waldorf

See `waldorf --help` for available options.

Example Start command:
```
waldorf -u http://127.0.0.1:8065/hooks/ \
-n waldorf \
-s /opt/waldorf \
-t s1zz8e1wxzgwjfmsnz3c43dnpa \
-c ij6osdf3ofnidp199ronuinwne:town-square \
-c hiirtud1spfwmfegd3pejamzsr:another-channel
```
The -t option supplies the Secret Mattermost generated for the Outgoing Webhook, the -c options define Channels and the
Secrets of the Incoming Webhooks.

I suggest to use [PM2](http://pm2.keymetrics.io/) to start Waldorf.

# Scripts

Just place Javascript Files in the /opt/waldorf folder and mind that you have to restart Waldorf when you change or add
Scripts there.

Example Scripts:
```javascript
// Stupid :)
schedule('37 13 * * *', () => pub('town-square', '1337 time!!1! 🤓'));
```

```javascript
// Respond "Hi @user" when someone says "Hello" or "hallo" ...
sub(/[Hh][ea]llo/, (match, user, channel) => pub(channel, `Hi @${user}`));
```

```javascript
// simple quote script
const fs = require('fs');
const file = '/opt/waldorf/quotes.json';

let quotes = [];

if (fs.existsSync(file)) quotes = JSON.parse(fs.readFileSync(file));

sub(/\!addquote (.*)/, (match, user, channel) => {
quotes.push(match[1]);
fs.writeFileSync(file, JSON.stringify(quotes));
});

sub(/\!randomquote/, (text, user, channel) => {
pub(channel, '> ' + quotes[Math.floor(Math.random() * quotes.length)]);
});
```

# Script API

## Classes


log


Log to stdout/stderr. Messages are prefixed with a timestamp and the calling scripts path.



## Functions


pub(channel, text)


Send Text to a Channel




sub(pattern, callback) ⇒ subscriptionId


Add a Subscription that calls a Callback when pattern matches text said in a Channel



unsub(id)


Remove a Subscription



schedule(pattern, [options], callback)


Schedule recurring and one-shot events



## Typedefs



subscribeCallback : function


## log
Log to stdout/stderr. Messages are prefixed with a timestamp and the calling scripts path.

**Kind**: global class

* [log](#log)
* [.debug()](#log.debug)
* [.info()](#log.info)
* [.warn()](#log.warn)
* [.error()](#log.error)

### log.debug()
Log a debug message

**Kind**: static method of [log](#log)

| Type |
| --- |
| \* |

### log.info()
Log an info message

**Kind**: static method of [log](#log)

| Type |
| --- |
| \* |

### log.warn()
Log a warning message

**Kind**: static method of [log](#log)

| Type |
| --- |
| \* |

### log.error()
Log an error message

**Kind**: static method of [log](#log)

| Type |
| --- |
| \* |

## pub(channel, text)
Send Text to a Channel

**Kind**: global function

| Param | Type |
| --- | --- |
| channel | string |
| text | string |

## sub(pattern, callback) ⇒ subscriptionId
Add a Subscription that calls a Callback when pattern matches text said in a Channel

**Kind**: global function

| Param | Type |
| --- | --- |
| pattern | string \| RegExp |
| callback | [subscribeCallback](#subscribeCallback) |

**Example**
```js
// Respond "Hi @User" when someone says "Hello" or "hello"
sub(/[Hh]ello/, (match, user, channel) => pub(`Hi @${user}`));
```

## unsub(id)
Remove a Subscription

**Kind**: global function

| Param | Type |
| --- | --- |
| id | subscriptionId |

## schedule(pattern, [options], callback)
Schedule recurring and one-shot events

**Kind**: global function

| Param | Type | Description |
| --- | --- | --- |
| pattern | string \| Date \| Object \| Array.<mixed> | pattern or array of patterns. May be cron style string, Date object or node-schedule object literal. See [https://github.com/tejasmanohar/node-schedule/wiki](https://github.com/tejasmanohar/node-schedule/wiki) |
| [options] | Object | |
| [options.random] | number | random delay execution in seconds. Has to be positive |
| callback | function | is called with no arguments |

**Example**
```js
// every full Hour.
schedule('0 * * * *', callback);

// Monday till friday, random between 7:30am an 8:00am
schedule('30 7 * * 1-5', {random: 30 * 60}, callback);

// once on 21. December 2018 at 5:30am
schedule(new Date(2018, 12, 21, 5, 30, 0), callback);

// every Sunday at 2:30pm
schedule({hour: 14, minute: 30, dayOfWeek: 0}, callback);
```

## subscribeCallback : function
**Kind**: global typedef

| Param | Type | Description |
| --- | --- | --- |
| text | string \| Array.<string> | text or .match(RegExp) array |
| user | string | the Name of the User that said something |
| channel | string | the Channel where something was said |

# License

MIT (c) Copyright Sebastian Raff