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# Slackr Bot | ||
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A node module for making bots that use the [slack rtm api](https://api.slack.com/rtm). | ||
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## Initializing | ||
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The object you require is a session, to create a session all you need is a bot token, or a user token if the | ||
bot will be acting as that user. | ||
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```js | ||
var Session = require('slackr-bot'); | ||
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var session = new Session(token); | ||
``` | ||
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Unfortunately bot's currently cannot send attachments, so built in is the ability to use an incoming webhook to | ||
send then automatically. You just have to configure it: | ||
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```js | ||
var session = new Session({ | ||
token: token, | ||
devChannel: '#bottest', | ||
webhookClient: { | ||
token: 'xxxxxxxxxxxxxxxxxxxx', | ||
team: 'tumblr', | ||
username: 'ghbot', | ||
icon_url: 'http://michaelsharman.com/static/images/github_metro.png' | ||
} | ||
}); | ||
``` | ||
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All the data in the webhook client can be used but the only required ones are token and team. | ||
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The other option seen in this session instantiation is the dev channel. With this the bot will ignore anything in | ||
that channel unless `NODE_ENV=development` is set. In which case it will only listen to that channel. | ||
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### send | ||
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To send a message over rtm just call `session.send(obj)`. If you want to send a message there's a helper that allows | ||
you to call | ||
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```js | ||
session.sendMessage({ | ||
channel: '#foo', | ||
text: 'omg' | ||
}); | ||
``` | ||
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## Responding | ||
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To react to messages there are some helper matchers to let you match only certain strings being passed. | ||
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```js | ||
session.on('exact string match', cb); | ||
session.on('.prefix *', cb); | ||
session.on('*wildcard*', cb); | ||
session.on(/regex/i, cb); | ||
session.on('/regex string/i', cb); | ||
``` | ||
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### Exact string match | ||
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The callback receives these arguments: | ||
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1. [Message](#message) - message object see section describing | ||
2. string - the matched string | ||
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### Prefix match | ||
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The callback receives these arguments: | ||
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1. [Message](#message) - message object see section describing | ||
2. prefix - the prefix it matched on | ||
3. rest - the string that comes after the prfix | ||
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`arguments[2] + arguments[3] === message.text` | ||
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### Wildcard match | ||
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The callback receives these arguments: | ||
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1. [Message](#message) - message object see section describing | ||
2. string - the matched string | ||
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### Regex match | ||
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The callback receives these arguments: | ||
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1. [Message](#message) - message object see section describing | ||
2. match - the match object that came back from the successufl regex match | ||
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## Message | ||
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The message object is passed to message callbacks. It has all the data passed in the message, as well as some helpers. | ||
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Simple usage: | ||
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```js | ||
session.on('.gh help', function(msg) { | ||
msg.reply('.gh team( <team name>)( cnt), .gh <user> recent( cnt)'); | ||
}); | ||
``` | ||
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The message has a reply method that can be used. It can take a string or an object like shown in the advanced object | ||
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Advanced usage | ||
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```js | ||
session.on(/^.gh (\w+) recent(?: (\d+))?/, function(message, match) { | ||
var promise = getPersonsPr(match[1]); | ||
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message.typing(); | ||
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var num = match[2] ? parseInt(match[2]) : 3; | ||
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promise.then(function(prs) { | ||
var resp = { | ||
text: 'Pull Requests:' | ||
attachments: _(prs).first(num).map('attachment').value() | ||
}; | ||
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message.reply(resp); | ||
}); | ||
}); | ||
``` | ||
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This shows many features of the response | ||
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1. you can call inside of another callback to reply | ||
2. you can reply with advanced objects that contain [attachments](https://api.slack.com/docs/attachments) | ||
3. you can signal in these async actions a typing indicator | ||
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## Todo | ||
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- [ ] Tests | ||
- [ ] Update channels as new ones are created | ||
- [ ] Implement connection checking to add ability to reconnect dynamically | ||
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## Contributing | ||
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1. Fork it | ||
2. Create your feature branch (`git checkout -b my-new-feature`) | ||
3. Commit your changes (`git commit -am 'Added some feature'`) | ||
4. Push to the branch (`git push origin my-new-feature`) | ||
5. Create new Pull Request |