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@livechat/chat.io-customer-sdk

v0.9.1

Published

SDK for connecting to chat.io as a customer

Downloads

6

Readme

Introduction

Chat.io Customer JS SDK is a set of tools to build a custom chat widget. It allows you to manage multiple chats via chat.io as a customer using JavaScript.

Is it for me?

If you need to customize the chat.io widget, using chat.io Customer JS SDK is one of the options to do this. If you need a fully custom solution and you feel brave, dive into chat.io Customer JS SDK: we provide methods and events for deep integration with the chat.io environment.

Keep in mind, however, that interacting with this API requires some development skills.

About chat.io Customer JS SDK

We provide an asynchronous API, where most methods interacting with a server return promises. To get the promise's fulfillment result, subscribe your handler to the promise's then() method. You can also subscribe to the emitted events with on and off methods.

We authenticate your sessions by using chat.io-customer-auth package and expose the created auth object on the returned SDK's instance. In general, you don't have to worry about it nor use the exposed object, but if you need to get the authentication token you can get it through the SDK like this:

customerSDK.auth.getToken().then(token => console.log(token))

Examples

We have prepared a sample chat widget implementation to present the features of chat.io Customer JS SDK:

How to start

This tutorial will help you get started with using chat.io Customer JS SDK.

Create an application

First, you need to create an application in the Developers Console (select the Web app (frontend, eg. JavaScript) type).

Install Customer JS SDK

You can use chat.io Customer JS SDK in two different ways:

Using npm

npm install --save @livechat/chat.io-customer-sdk

Now, you can import SDK in your code:

import chatIoCustomerSDK from '@livechat/chat.io-customer-sdk'

or with a node-style require call:

const chatIoCustomerSDK = require('@livechat/chat.io-customer-sdk')

Using script tag - UMD module hosted on unpkg's CDN

<script src="https://unpkg.com/@livechat/[email protected]/dist/chat.io-customer-sdk.min.js"></script>

If you just want to look around and play with the SDK, check out our sample chat widget implementation.

Use the API

Now run the init function with the configuration, replacing LICENSE_NUMBER with your chat.io license number. The function will return the customerSDK instance:

const customerSDK = CustomerSDK.init({
  license: LICENSE_NUMBER,
  clientId: CLIENT_ID,
})

With customerSDK, you can attach events:

customerSDK.on('new_event', newEvent => {
  console.log(newEvent)
})

or execute methods:

const chatId = 'OU0V0P0OWT'
customerSDK
  .sendMessage(chatId, {
    text: 'Hi!',
  })
  .then(response => {
    console.log(response)
  })
  .catch(error => {
    console.log(error)
  })

Using the API in React Native

If you want to use chat.io Customer SDK in React Native, keep in mind that we use cookies to authenticate your sessions, so we need some sort of browser environment for that. We've prepared a special wrapper for you to use in React Native, which opens a WebView component to get an authentication token. All you have to do is to import it from our authentication package (no need to install it - the SDK depends on it, so you have it already) and mount it in your React Native application:

import { AuthWebView } from '@livechat/chat.io-customer-auth'
import { init } from '@livechat/chat.io-customer-sdk'

export default class App extends React.Component {
  componentDidMount() {
    const customerSDK = init({
      license: LICENSE_NUMBER,
      clientId: CLIENT_ID,
      redirectUri: REDIRECT_URI,
    })
    // you can start using customerSDK from now
  }

  render() {
    return (
      <View>
        <AuthWebView />
      </View>
    )
  }
}

Key Concepts

The chat.io system is based on four basic types of entities - users, chats, events and threads.

  • chats consist of threads and threads consist of events
  • threads are parts of chats,
  • users can add events to chats, which then are automatically added to threads
  • users can participate in many chats at the same time

Threads are a vital part of chat.io architecture. They provide continuous chat experience (i.e. they never end and you can always add to them) and they group events in smaller logical chunks, e.g. for reporting and caching purposes. However, threads tend to complicate handling various operations like loading more history events. The good part is that you don't have to worry about them most of the time and this SDK is doing the heavy lifting behind the scenes for you. You will get notified about threads' metadata only if you explicitly ask for it - most SDK methods expect only chat IDs.

User

{
	id: 'ed9d4095-45d6-428d-5093-f8ec7f1f81b9',
	type: 'agent',
	name: 'Jane Doe',
	email: '[email protected]',
	avatar: 'https://chatio-static.com/assets/images/chatio_logo.ae4271fe1a0a2db838dcf075388ee844.png',
}

Chat

{
	id: 'OU0V0P0OWT',
	users: [{
        id: 'ed9d4095-45d6-428d-5093-f8ec7f1f81b9',
        lastSeenTimestamp: 1503062591000, // might be null
    }],
	threads: ['OU0V0U3IMN'],
}

Event

{
	type: 'message',
	text: 'hi!',
    author: 'ed9d4095-45d6-428d-5093-f8ec7f1f81b9', // assigned by server
	id: 'OU0V0U3IMN_1', // assigned by server
    timestamp: 1503062591000, // assigned by server
    customnId: '814.3316641404942', // optional
    thread: 'OU0V4R0OXP',
}

Threads

{
	id: 'OU0V0U3IMN',
	active: true,
	order: 3,
	users: ['ed9d4095-45d6-428d-5093-f8ec7f1f81b9'],
	events: [ /* events */ ],
}

Methods

closeThread

customerSDK
  .closeThread('ON0X0R0L67')
  .then(response => {
    console.log(response)
  })
  .catch(error => {
    console.log(error)
  })

Arguments:

| arguments | type | description | | --------- | ------ | ------------------------------------------- | | chat | string | Chat's id in which thread should get closed |

Returned value:

| shape | type | | ------- | ------- | | success | boolean |

destroy

This method clears any held resources, removes all listeners and disconnects from the network. After using this method you won't be able to use the destroyed SDK's instance.

customerSDK.destroy()

disconnect

customerSDK.disconnect()

getChatHistory

This method facilitates loading more history events. You need to get access to the history object for certain chat by calling this method. The returned history object has only one method, next, which gives you a promise of { done, value } pair.

  • done - indicates if there is anything more to load
  • value - it's an array of loaded events

You can keep calling history.next() multiple times to load more and more history events (useful for infinite scroll feature). Keep in mind, though, that you generally shouldn't call next while the history is being loaded - we queue those requests so the previous one must resolve before we proceed with the next one.

Such structure like our history object is called an async iterator.

let wholeChatHistoryLoaded = false

const history = customerSDK.getChatHistory('OU0V0P0OWT')

history.next().then(result => {
  if (result.done) {
    wholeChatHistoryLoaded = true
  }

  const events = result.value
  console.log(events)
})

Arguments:

| arguments | type | description | | --------- | ------ | ----------------------------------------------------- | | chat | string | Chat's id for which history object should be returned |

getChatsSummary

customerSDK
  .getChatsSummary({
    offset: 0,
    limit: 10
  })
  .then(({ chatsSummary, totalChats }) => {
    console.log(chatsSummary);
    console.log(totalChats);
  })
  .catch(error => {
    console.log(error);
  });

Arguments:

| arguments | shape | type | default | max | description | | ---------- | ------ | ------ | ------- | --- | ----------- | | pagination | | | | | | | | offset | number | 0 | | | | | limit | number | 10 | 25 | |

Returned value:

| shape | type | shape | type | description | | ------------ | -------- | ------------------ | -------- | -------------------------------------------------- | | chatsSummary | object[] | | | | | | | id | string | Chat's id | | | | users | string[] | Users' ids | | | | lastEvent | object | Event | | | | lastEventsPerType | object | Map from event types to event objects | | | | lastSeenTimestamps | object | Map from Users' ids to optional lastSeenTimestamps | | totalChats | number | | | |

getChatThreads

In most cases you do not need to use this method directly. If you want to load more events, consider using getChatHistory.

const threads = ["OS0C0W0Z1B", "OS0I0M0J0G", "OT01080705", "OT0E02082U", "OT0E08040G"]
customerSDK.getChatThreads("ON0X0R0L67", threads)
    .then(threads => {
        console.log(threads)
    })
    .catch(error => {
        console.log(rror
    })

Arguments:

| arguments | shape | type | | --------- | ----- | -------- | | chat | | string | | threads | page | string[] |

Returned value:

| array of shapes | type | description | | --------------- | -------- | ------------------------------- | | id | string | Thread's id | | chat | string | Chat's id | | active | string[] | Active state | | order | number | order (can be used for sorting) | | users | string[] | Users' ids | | events | object[] | Events |

getChatThreadsSummary

In most cases you do not need to use this method directly. If you want to load more events, consider using getChatHistory.

customerSDK
  .getChatThreadsSummary('ON0X0R0L67', {
    offset: 0,
    limit: 10,
  })
  .then(summary => {
    console.log(summary.threadsSummary)
    console.log(summary.totalThreads)
  })
  .catch(error => {
    console.log(error)
  })

Arguments:

| arguments | shape | type | default | max | description | | ---------- | ------ | ------ | ------- | ---- | ----------- | | chat | | string | | | | | pagination | | | | | | | | offset | number | 0 | | | | | limit | number | 25 | 1000 | |

Returned value:

| shape | type | shape | type | | -------------- | -------- | ----------- | ------ | | threadsSummary | object[] | | | | | | id | string | | | | order | number | | | | totalEvents | number | | totalThreads | number | | |

off

This method unsubscribes from emitted events which are described here.

on

This method subscribes to emitted events which are described here.

sendEvent

const event = {
  type: 'message',
  // ... other properties specific for the event's type
}

customerSDK
  .sendEvent('ON0X0R0L67', event)
  .then(event => {
    console.log(event)
  })
  .catch(error => {
    console.log(error)
  })

Arguments:

| arguments | shape | type | description | | --------- | ----- | ------ | --------------------- | | chat | | string | Destination chat's id | | event | | | | | | type | string | Type of the event | | | ... | | Other properties |

sendFile

This method is a little bit special - it returns regular then/catch methods of a Promise and a cancel method which you can use to abort the upload of the file. It also lets you pass onProgress callback function. Keep in mind that the maximum accepted file size is 10 MB.

customerSDK
  .sendFile(
    'ON0X0R0L67',
    {
      file,
      customId, // optional
    },
    {
      onProgress: progress => console.log(`upload progress: ${progress}`),
    },
  )
  .then(response => {
    console.log(response.url)
  })
  .catch(error => {
    console.log(error)
  })

Arguments:

| arguments | shape | type | description | | --------- | ---------- | -------- | ----------------------------------------------------------------------------- | | chat | | string | Destination chat's id | | data | | | | | | file | Blob | | | | customId | string | Optional customId for the event | | spec | | | | | | onProgress | function | This callback function will receive a progress value - number between 0 and 1 |

Returned value:

| shape | type | | ----- | ------ | | url | string |

In React Native instead of passing a blob you need to pass an object of such shape:

const file = {
  uri: uriFromCameraRoll,
  type: 'image/jpeg', // optional
  name: 'photo.jpg', // optional
}

sendMessage

const message = { text: 'Hello' }

customerSDK
  .sendMessage('ON0X0R0L67', message)
  .then(message => {
    console.log(message)
  })
  .catch(error => {
    console.log(error)
  })

Arguments:

| arguments | shape | type | description | | --------- | ----- | ------ | --------------------- | | chat | | string | Destination chat's id | | message | | | | | | text | string | Customer's message |

sendRating - not implemented yet

customerSDK
  .sendRating('ON0X0R0L67', {
    value: 'good',
    comment: 'Agent helped me a lot!',
  })
  .then(rating => {
    console.log(rating)
  })
  .catch(error => {
    console.log(error)
  })

Arguments:

| arguments | shape | type | description | | --------- | ------- | -------------- | --------------------- | | chat | | | Destination chat's id | | rating | | | | | | value | 'good' / 'bad' | Rating value | | | comment | string | Optional comment |

setSneakPeek

This method doesn't return a promise. It just sets the internal sneak peek value. It will be sent to the server only if the target chat is active and only once per 2 seconds (it's throttled).

customerSDK.setSneakPeek('ON0X0R0L67', 'what is the price for your ')

Arguments:

| arguments | type | description | | --------- | ------ | ---------------------------------------- | | chat | string | Destination chat id | | text | string | Message preview broadcasted to the agent |

startChat

customerSDK
  .startChat({
    events: [],
  })
  .then(chat => {
    console.log(chat)
  })
  .catch(error => {
    console.log(error)
  })

Arguments:

| arguments | shape | type | description | | ------------- | ------ | -------- | ------------------ | | specification | | | For advanced usage | | | scope | | | | | events | events[] | |

updateChatProperties

const properties = {
  property_namespace: {
    sample: 'property',
  },
}
customerSDK
  .updateChatProperties('ON0X0R0L67', properties)
  .then(response => {
    console.log(response)
  })
  .catch(error => {
    console.log(error)
  })

Arguments:

| arguments | shape | type | description | | ---------- | ----- | ------ | ----------- | | chat | | string | | | properties | | | |

updateChatThreadProperties

const properties = {
  property_namespace: {
    sample: 'property',
  },
}
customerSDK
  .updateChatThreadProperties('ON0X0R0L67', 'OS0C0W0Z1B', properties)
  .then(response => {
    console.log(response)
  })
  .catch(error => {
    console.log(error)
  })

Arguments:

| arguments | shape | type | description | | ---------- | ----- | ------ | ----------- | | chat | | string | | | thread | | string | | | properties | | | |

updateCustomer

const properties = {
  name: 'John Doe',
  email: '[email protected]',
  fields: {
    custom_property: 'BasketValue=10usd',
    any_key_is_ok: 'sample custom field',
  },
}
customerSDK
  .updateCustomer(properties)
  .then(response => {
    console.log(response)
  })
  .catch(error => {
    console.log(error)
  })

Arguments:

| arguments | shape | type | description | | ---------- | ------ | ------ | ---------------------------------------- | | properties | | | | | | name | string | Optional name | | | email | string | Optional email | | | fields | object | Optionl custom fields with string values |

Returned value:

| shape | type | | ------- | ------- | | success | boolean |

updateLastSeenTimestamp

customerSDK
  .updateLastSeenTimestamp('ON0X0R0L67', 1500646701447)
  .then(response => {
    console.log(response)
  })
  .catch(error => {
    console.log(error)
  })

Arguments:

| arguments | type | description | | --------- | ------ | ----------- | | chat | string | | | timestamp | number | optional |

Returned value:

| shape | type | | --------- | ------ | | timestamp | number |

$$observable

You can consume all emitted events as a stream with most of stream libraries like in example RxJS. We provide an interop point for this, so you can easily convert our SDK to a stream like this:

import Rx from '@reactivex/rxjs'

Rx.Observable.from(visitorSDK).subscribe(([eventName, eventData]) => {
  console.log(eventName, eventData)
})

Events

You can listen for emitted events by subscribing to them (using on method) with your custom JavaScript function. For example, your function can be executed every time a message has been received.

connected

customerSDK.on('connected', payload => {
  console.log('connected')
  console.log(payload.chatsSummary)
  console.log(payload.totalChats)
})

Payload:

| shape | type | shape | type | description | | ------------ | -------- | ------------------ | -------- | -------------------------------------------------- | | chatsSummary | object[] | | | | | | | id | | Chat's id | | | | users | string[] | Users' ids | | | | lastEvent | object | Event | | | | lastEventsPerType | object | Map from event types to event objects | | | | lastSeenTimestamps | object | Map from Users' ids to optional lastSeenTimestamps | | totalChats | number | | | |

connection_lost

customerSDK.on('connection_lost', () => {
  console.log('connection_lost')
})

This event doesn't carry any additional payload.

connection_restored

customerSDK.on('connection_restored', payload => {
  console.log('connection_restored')
  console.log(payload.chatsSummary)
  console.log(payload.totalChats)
})

Payload:

| shape | type | shape | type | description | | ------------ | -------- | ------------------ | -------- | -------------------------------------------------- | | chatsSummary | object[] | | | | | | | id | | Chat's id | | | | users | string[] | Users' ids | | | | lastEvent | object | Event | | | | lastEventsPerType | object | Map from event types to event objects | | | | lastSeenTimestamps | object | Map from Users' ids to optional lastSeenTimestamps | | totalChats | number | | | |

customer_id

customerSDK.on('customer_id', id => {
  console.log('customer id is', id)
})

Payload:

| argument | type | | -------- | ------ | | id | string |

disconnected

customerSDK.on('disconnected', reason => {
  console.log(reason)
})

Payload:

| argument | type | description | | -------- | ------ | ----------- | | reason | string | Optional |

chat_properties_updated

customerSDK.on('chat_properties_updated', payload => {
  console.log(payload.chat)
  console.log(payload.properties)
})

Payload:

| shape | type | description | | ---------- | ------ | --------------- | | chat | string | Chat's id | | properties | object | Chat properties |

chat_thread_properties_updated

customerSDK.on('chat_thread_properties_updated', payload => {
  console.log(payload.chat)
  console.log(payload.thread)
  console.log(payload.properties)
})

Payload:

| shape | type | description | | ---------- | ------ | ----------------- | | chat | string | Chat's id | | thread | string | Thread's id | | properties | object | Thread properties |

last_seen_timestamp_updated

customerSDK.on('last_seen_timestamp_updated', payload => {
  console.log(payload.chat)
  console.log(payload.user)
  console.log(payload.timestamp)
})

Payload:

| shape | type | description | | --------- | ------ | ----------- | | chat | string | Chat's id | | user | string | User's id | | timestamp | number | |

new_event

You should distinguish received events by their types.

customerSDK.on('new_event', ({ chat, event }) => {
  switch (event.type) {
    case 'message':
      console.log('new message - ', event.text)
      break
    default:
      break
  }
})

Payload:

| shape | type | description | | ----- | ------ | ---------------- | | type | string | Event's type | | ... | | Other properties |

user_data

customerSDK.on('user_data', user => {
  console.log(user)
})

User:

| shape | type | description | | ----- | ---- | ----------- | | | | |

user_joined_chat

customerSDK.on('user_joined_chat', ({ user, chat }) => {
  console.log({ user, chat })
})

Payload:

| shape | type | description | | ----- | ------ | ----------- | | user | string | User's ID | | chat | string | Chat's ID |

user_left_chat

customerSDK.on('user_left_chat', ({ user, chat }) => {
  console.log({ user, chat })
})

Payload:

| shape | type | description | | ----- | ------ | ----------- | | user | string | User's ID | | chat | string | Chat's ID |

user_is_typing

customerSDK.on('user_is_typing', payload => {
  console.log(
    'user with ' + payload.user + ' id is writing something in ' + payload.chat,
  )
})

Payload:

| shape | type | description | | ----- | ------ | ----------- | | chat | string | Chat's id | | user | string | User's id |

user_stopped_typing

customerSDK.on('user_stopped_typing', payload => {
  console.log(
    'user with ' + payload.user + ' id stopped writing in ' + payload.chat,
  )
})

Payload:

| shape | type | description | | ----- | ------ | ----------- | | chat | string | Chat's id | | user | string | User's id |

thread_closed

customerSDK.on('thread_closed', ({ chat }) => {
  console.log(chat)
})

Payload:

| shape | type | description | | ----- | ------ | ----------- | | chat | string | Chat's id |

thread_summary

customerSDK.on('thread_summary', summary => {
  console.log(summary)
})

Payload:

| shape | type | description | | ----------- | ------ | ----------- | | id | string | | | chat | string | Chat's ID | | order | number | | | totalEvents | number | |

Changelog

[v0.9.0] - 2018-03-02

Changed
  • internal change: upgraded to 0.5 version of server protocol
Changed

[v0.8.0] - 2018-01-05

Added
  • chatsSummary objects (returned from getChatsSummary method and available in payloads of connected/connection_restored events) got a new property - lastEventsPerType, which is an object that maps event types to event objects
  • updateChatProperties method and corresponding chat_properties_updated event
  • updateChatThreadProperties method and corresponding chat_thread_properties_updated event
Fixed
  • using multiple instances in React Native
  • using in React Native on Android

[v0.7.0] - 2017-11-24

Changed
  • sendFile returns { url } now instead of { success: true }
  • events no longer have order property
  • users no longer have present property
Fixed
  • it's possible now to create 2 independent instances of the SDK
  • file events with url property

[v0.6.0] - 2017-11-23

Changed
  • customId is added only if it has been explicitly passed in as part of an event
  • customId is not reused as request's id anymore
  • made it impossible to send 2 requests with identical ids until a response comes in

[v0.5.0] - 2017-11-22

Added
  • sendFile method
Changed
  • UMD export was renamed CustomerSDK

[v0.4.2] - 2017-11-18

Fixed
  • server errors handling - promises should get rejected correctly now

[v0.4.1] - 2017-11-18

Fixed
  • UMD builds from dist directory

[v0.4.0] - 2017-11-18

Added
  • chatSummary object (from getChatsSummary's response and from connected and connection_restored events) got new property: lastSeenTimestamps which is a map from user IDs to optional timestamps
Changed
  • init now accepts configuration object ({ license, clientId }) instead of just a license number (in React Native the configuration object expects additionally redirectUri)
  • getChatThreads now returns an array of threads instead of { threads, users } object
  • removed lastSeenTimestamp from user objects
  • AuthWebView exposed from @livechat/chat.io-customer-auth for React Native integration no longer needs a license prop

[v0.3.1] - 2017-11-16

Fixed
  • parsing server events

[v0.3.0] - 2017-11-16

Added
  • support for React Native apps, you can read more in "How to start" section
  • getChatsSummary method
  • destroy method
  • user_joined_chat and user_left_chat events
  • threads and thread summaries got a new property - chat
Changed
  • updateCustomer now accepts the explicit fields property in its argument
  • thread_metadata event was renamed thread_summary