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<a href="../../index.html">all files</a> / <a href="index.html">src/core/</a> Room.js
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<span class="strong">0.94% </span>
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<span class="cline-any cline-neutral"> </span></td><td class="text"><pre class="prettyprint lang-js">import {NONE, OPENED, CLOSED, CONNECTED, NOT_CONNECTED, WAS_CONNECTED, OWNER} from './util/constants';
import * as DataSync from './util/DataSync';
import cache from './util/cache';
import Participant from './Participant';
import Message from './Message';
import Local from './stream/Local';
import Invite from './Invite';
import * as Events from '../definitions/Events';
import * as Log from './util/Log';
import {REJECTED, CANCELED} from './util/constants';
const _joinRoom = (room, role) => <span class="fstat-no" title="function not covered" >{</span>
const participant = <span class="cstat-no" title="statement not covered" >{</span>
status: CONNECTED,
_joined: DataSync.ts()
};
<span class="cstat-no" title="statement not covered" > if(role) {</span>
<span class="cstat-no" title="statement not covered" > participant.role = role;</span>
}
<span class="cstat-no" title="statement not covered" > Log.w('Room#join', [participant, `_/rooms/${room.uid}/participants/${cache.user.uid}`]);</span>
<span class="cstat-no" title="statement not covered" > return DataSync</span>
.update(`_/rooms/${room.uid}/participants/${cache.user.uid}`, participant)
.then(() => <span class="fstat-no" title="function not covered" >{</span>
<span class="cstat-no" title="statement not covered" > DataSync</span>
.onDisconnect(`_/rooms/${room.uid}/participants/${cache.user.uid}/status`)
.set(WAS_CONNECTED);
<span class="cstat-no" title="statement not covered" > return room;</span>
});
};
/**
* Room information
* @access public
*/
export default class Room {
/**
* Create a room
* @param {Webcom/api.DataSnapshot|Object} snapData The data snapshot
* @access protected
*/
constructor(snapData) <span class="fstat-no" title="function not covered" >{</span>
let values = <span class="cstat-no" title="statement not covered" >snapData;</span>
<span class="cstat-no" title="statement not covered" > if(snapData && snapData.val && typeof snapData.val === 'function'){</span>
<span class="cstat-no" title="statement not covered" > values = Object.assign({}, snapData.val(), {uid: snapData.name()});</span>
}
/**
* The room unique id
* @type {string}
*/
<span class="cstat-no" title="statement not covered" > this.uid = values.uid;</span>
/**
* The room name
* @type {string}
*/
<span class="cstat-no" title="statement not covered" > this.name = values.name;</span>
/**
* The room owner uid
* @type {string}
*/
<span class="cstat-no" title="statement not covered" > this.owner = values.owner;</span>
/**
* The room status:
* - OPENED
* - CLOSED
* @type {string}
*/
<span class="cstat-no" title="statement not covered" > this.status = values.status;</span>
/**
* Indicates that the room is public so all users can join
* @type {boolean}
*/
<span class="cstat-no" title="statement not covered" > this._public = !!values._public;</span>
/**
* Additional room informations
* @type {Object}
*/
<span class="cstat-no" title="statement not covered" > this.extra = values.extra;</span>
/**
* List of declared callbacks
* @type {Object}
*/
<span class="cstat-no" title="statement not covered" > this._callbacks = {};</span>
}
/**
* Get the list of participants.
* This will only work if the user is either a participant or the owner of the room.
* @returns {Promise<Participant[], Error>}
*/
participants() <span class="fstat-no" title="function not covered" >{</span>
<span class="cstat-no" title="statement not covered" > return DataSync.list(`_/rooms/${this.uid}/participants`, Participant, this.uid);</span>
}
/**
* Get the list of messages.
* This will only work if the user is either a participant or the owner of the room.
* @return {Promise<Message[], Error>}
*/
messages() <span class="fstat-no" title="function not covered" >{</span>
<span class="cstat-no" title="statement not covered" > return DataSync.list(`_/rooms/${this.uid}/messages`, Message, this.uid);</span>
}
/**
* Get the list of streams
* @returns {Promise}
* @access private
*/
_streams(localStreams) <span class="fstat-no" title="function not covered" >{</span>
<span class="cstat-no" title="statement not covered" > if(!cache.user) {</span>
<span class="cstat-no" title="statement not covered" > return Promise.reject(new Error('Only an authenticated user can list a Room\'s streams.'));</span>
}
<span class="cstat-no" title="statement not covered" > return DataSync.get(`_/rooms/${this.uid}/streams`)</span>
.then(snapData => <span class="fstat-no" title="function not covered" >{</span>
const values = <span class="cstat-no" title="statement not covered" >snapData.val();</span>
<span class="cstat-no" title="statement not covered" > Log.d('Rooms~_streams', values);</span>
<span class="cstat-no" title="statement not covered" > if(values) {</span>
<span class="cstat-no" title="statement not covered" > return Object.keys(values).map(key => <span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >Object.assign({uid: key, roomId: this.uid}, values[key]))</span></span>;</span>
}
<span class="cstat-no" title="statement not covered" > return [];</span>
})
.then(streams => <span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >streams.filter(stream => <span class="fstat-no" title="function not covered" >{</span></span></span>
<span class="cstat-no" title="statement not covered" > return localStreams === (stream.device === cache.device && stream.from === cache.user.uid);</span>
}))
.then(streams => <span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >streams.map(cache.streams[`get${localStreams ? 'Shared' : 'Remote'}`].bind(cache.streams)))</span></span>
.then(streams => <span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >streams.filter(stream => <span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >stream !== null)</span></span>)</span></span>;
}
/**
* Get the list of locally published streams. The streams published with another device won't be visible here
* This will only work if the user is either a participant or the owner of the room.
* @return {Promise<Local[], Error>}
*/
localStreams() <span class="fstat-no" title="function not covered" >{</span>
<span class="cstat-no" title="statement not covered" > return this._streams(true)</span>
.catch(Log.r('Room~localStreams'));
}
/**
* Get the list of remotely published streams.
* This will only work if the user is either a participant or the owner of the room.
* @return {Promise<Remote[], Error>}
*/
remoteStreams() <span class="fstat-no" title="function not covered" >{</span>
<span class="cstat-no" title="statement not covered" > return this._streams(false)</span>
.catch(Log.r('Room~remoteStreams'));
}
/**
* Invite users to the room. this will only work if the current User is the owner or a moderator of this Room.
* This will create the invitation and add the user to the participants list.
* @param {User[]} users the users to invite
* @param {string} [role='NONE'] the role of the invitee
* @param {string} [message] a message to add to the invite
* @return {Promise<{room: Room, invites: Invite[]}, Error>}
*/
invite(users, role = NONE, message) <span class="fstat-no" title="function not covered" >{</span>
const
_path = <span class="cstat-no" title="statement not covered" >user => <span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >`_/rooms/${this.uid}/participants/${user.uid}`,</span></span></span>
_data = <span class="cstat-no" title="statement not covered" >{</span>
status: NOT_CONNECTED,
role: role || NONE
};
// Add users as participant so they can join the room
<span class="cstat-no" title="statement not covered" > return Promise.all(users.map(user => <span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >DataSync.set(_path(user), _data))</span></span>)</span>
// Send invites
.then(() => <span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >Promise.all(users.map(user => <span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >Invite.send(user, this, message))</span></span>))</span></span>
.then(invites => <span class="fstat-no" title="function not covered" >{</span>
const removeParticipant = <span class="cstat-no" title="statement not covered" >invite => <span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >DataSync.remove(`_/rooms/${invite.room}/participants/${invite.to}`);</span></span></span>
<span class="cstat-no" title="statement not covered" > invites.forEach(invite => <span class="fstat-no" title="function not covered" >{</span></span>
<span class="cstat-no" title="statement not covered" > invite.on(REJECTED, removeParticipant);</span>
<span class="cstat-no" title="statement not covered" > invite.on(CANCELED, removeParticipant);</span>
});
<span class="cstat-no" title="statement not covered" > return {room: this, invites};</span>
})
.catch(e => <span class="fstat-no" title="function not covered" >{</span>
<span class="cstat-no" title="statement not covered" > Log.e('Room~invite', e);</span>
<span class="cstat-no" title="statement not covered" > users.forEach(user => <span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >DataSync.remove(`_/rooms/${this.uid}/participants/${user.uid}`))</span></span>;</span>
<span class="cstat-no" title="statement not covered" > return Promise.reject(e);</span>
});
}
/**
* Register a callback for a specific event
* @param {string} event The event name ({@link Events/Room}):
* - PARTICIPANT_ADDED: a participant is added to the room
* - PARTICIPANT_CHANGED: a participant changes his status (join)
* - PARTICIPANT_REMOVED: a participant leave the room
* - MESSAGE_ADDED: new instant message
* - MESSAGE_CHANGED: an existing message has been modified (moderation)
* - MESSAGE_REMOVED: a message has been removed (moderation)
* - STREAM_PUBLISHED: a participant published a new Stream
* - STREAM_CHANGED: a participant changes his published Stream (moderation, type, mute...)
* - STREAM_UNPUBLISHED: a participant stops the publication of his Stream
* @param {function} callback The callback for the event, the arguments depends on the type of event:
* - PARTICIPANT_* : callback({@link Participant} p [, Error e])
* - MESSAGE_* : callback({@link Message} m [, Error e])
* - STREAM_* : callback({@link Remote} s [, Error e])
* @param {Webcom/api.Query~cancelCallback} cancelCallback The error callback for the event, takes an Error as only argument
*/
on(event, callback, cancelCallback) <span class="fstat-no" title="function not covered" >{</span>
const
path = <span class="cstat-no" title="statement not covered" >Events.room.toPath(event)(this),</span>
obj = <span class="cstat-no" title="statement not covered" >Events.room.toClass(event);</span>
<span class="cstat-no" title="statement not covered" > if(path && obj) {</span>
const typedCallback = <span class="cstat-no" title="statement not covered" >snapData => <span class="fstat-no" title="function not covered" >{</span></span>
<span class="cstat-no" title="statement not covered" > if(!/^STREAM_/i.test(event) || !snapData) {</span>
<span class="cstat-no" title="statement not covered" > Log.i(`Room~on(${event})`, snapData ? new obj(snapData) : null);</span>
<span class="cstat-no" title="statement not covered" > callback(snapData ? new obj(snapData) : null);</span>
} else <span class="cstat-no" title="statement not covered" >if(cache.user) {</span>
const streamData = <span class="cstat-no" title="statement not covered" >Object.assign({uid: snapData.name(), roomId: this.uid}, snapData.val());</span>
<span class="cstat-no" title="statement not covered" > if(streamData.from !== cache.user.uid || streamData.device !== cache.device) {</span>
const remoteStream = <span class="cstat-no" title="statement not covered" >cache.streams.getRemote(streamData);</span>
<span class="cstat-no" title="statement not covered" > Log.i(`Room~on(${event})`, remoteStream);</span>
<span class="cstat-no" title="statement not covered" > callback(remoteStream);</span>
}
}
};
<span class="cstat-no" title="statement not covered" > DataSync.on(path, event, typedCallback, cancelCallback);</span>
<span class="cstat-no" title="statement not covered" > if(!this._callbacks[event]) {</span>
<span class="cstat-no" title="statement not covered" > this._callbacks[event] = [];</span>
}
<span class="cstat-no" title="statement not covered" > this._callbacks[event].push(typedCallback);</span>
}
}
/**
* Send an instant message
* @param {string} message The message to send
* @return {Promise<Message>}
*/
sendMessage(message) <span class="fstat-no" title="function not covered" >{</span>
<span class="cstat-no" title="statement not covered" > return Message.send(this, message);</span>
}
/**
* Publish a local stream
* @param {string} type The stream type, see {@link StreamTypes} for possible values
* @param {Element} [localStreamContainer] The element the stream is attached to. Can be null if already specified in {@link Config}.
* @param {MediaStreamConstraints} [constraints] The stream constraints. If not defined, the constraints defined in {@link Config} will be used.
* @returns {Promise<Local, Error>}
*/
share(type, localStreamContainer, constraints) <span class="fstat-no" title="function not covered" >{</span>
<span class="cstat-no" title="statement not covered" > Log.i('Room~share', {type, localStreamContainer, constraints});</span>
<span class="cstat-no" title="statement not covered" > return Local.share(this.uid, type, localStreamContainer, constraints);</span>
}
/**
* Join the room. Sets the connected status of the current participant to CONNECTED.
* @return {Promise}
*/
join() <span class="fstat-no" title="function not covered" >{</span>
<span class="cstat-no" title="statement not covered" > Log.i('Room~join', this);</span>
<span class="cstat-no" title="statement not covered" > if(!cache.user) {</span>
<span class="cstat-no" title="statement not covered" > return Promise.reject(new Error('Only an authenticated user can join a Room.'));</span>
}
<span class="cstat-no" title="statement not covered" > return _joinRoom(this).catch(Log.r('Room~join'));</span>
}
/**
* Leave the room. Sets the connected status of the current participant to WAS_CONNECTED, deletes medias and callbacks, closes WebRTC stacks in use.
* @return {Promise}
*/
leave() <span class="fstat-no" title="function not covered" >{</span>
<span class="cstat-no" title="statement not covered" > if(!cache.user) {</span>
<span class="cstat-no" title="statement not covered" > return Promise.reject(new Error('Only an authenticated user can leave a Room.'));</span>
}
<span class="cstat-no" title="statement not covered" > Log.i('Room~leave', this);</span>
// Cancel onDisconnect
<span class="cstat-no" title="statement not covered" > DataSync.onDisconnect(`_/rooms/${this.uid}/participants/${cache.user.uid}/status`).cancel();</span>
// Disconnect user's callbacks
<span class="cstat-no" title="statement not covered" > Object.keys(this._callbacks).forEach(event => <span class="fstat-no" title="function not covered" >{</span></span>
<span class="cstat-no" title="statement not covered" > DataSync.off(Events.room.toPath(event)(this), event);</span>
});
// Unpublish all local streams
<span class="cstat-no" title="statement not covered" > this.localStreams().then(localStreams => <span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >localStreams.forEach(localStream => <span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >localStream.close())</span></span>)</span></span>;</span>
// Unsubscribe all remote streams
<span class="cstat-no" title="statement not covered" > this.remoteStreams().then(remoteStreams => <span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >remoteStreams.forEach(remoteStream => <span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >remoteStream.unSubscribe())</span></span>)</span></span>;</span>
// Update status
<span class="cstat-no" title="statement not covered" > return DataSync.set(`_/rooms/${this.uid}/participants/${cache.user.uid}/status`, WAS_CONNECTED)</span>
.catch(Log.r('Room~leave'));
}
/**
* Leaves & close the Room. Only the owner/moderator can close a room.
* @return {Promise}
*/
close() <span class="fstat-no" title="function not covered" >{</span>
<span class="cstat-no" title="statement not covered" > Log.i('Room~close', this);</span>
<span class="cstat-no" title="statement not covered" > return this.leave()</span>
.then(() => <span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >DataSync.update(`rooms/${this.uid}`, {</span></span>
status: CLOSED,
_closed: DataSync.ts()
}))
.then(() => <span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >DataSync.remove(`_/rooms/${this.uid}`))</span></span>
.catch(Log.r('Room~close'));
}
/**
* Create a room
* @access protected
* @param {String} [name] The room name
* @param {object} [extra=null] Extra informations
* @param {boolean} [publicRoom=false] Indicates public room
* @returns {Promise<Room, Error>}
*/
static create (name, extra = null, publicRoom = false) <span class="fstat-no" title="function not covered" >{</span>
<span class="cstat-no" title="statement not covered" > if(!cache.user) {</span>
<span class="cstat-no" title="statement not covered" > return Promise.reject(new Error('Only an authenticated user can create a Room.'));</span>
}
const
roomMetaData = <span class="cstat-no" title="statement not covered" >{</span>
owner: cache.user.uid,
_public: publicRoom,
name: name || `${cache.user.name}-${Date.now()}`
},
roomFullMetaData = <span class="cstat-no" title="statement not covered" >Object.assign({</span>
status: OPENED,
_created: DataSync.ts(),
extra
}, roomMetaData);
let room = <span class="cstat-no" title="statement not covered" >null;</span>
// Create public room infos
<span class="cstat-no" title="statement not covered" > return DataSync.push('rooms', roomFullMetaData)</span>
// Create private room infos
.then(roomRef => <span class="fstat-no" title="function not covered" >{</span>
<span class="cstat-no" title="statement not covered" > room = new Room(Object.assign({uid: roomRef.name()}, roomFullMetaData));</span>
<span class="cstat-no" title="statement not covered" > return DataSync.update(`_/rooms/${room.uid}/meta`, roomMetaData);</span>
})
// Join the room
.then(() => <span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >_joinRoom(room, OWNER))</span></span>
.catch(Log.r('Room#create'));
}
/**
* Get a {@link Room} from its `uid`
* @access protected
* @param uid
* @returns {Promise.<Room>}
*/
static get (uid) <span class="fstat-no" title="function not covered" >{</span>
<span class="cstat-no" title="statement not covered" > return DataSync.get(`rooms/${uid}`)</span>
.then(snapData => <span class="fstat-no" title="function not covered" >{</span>
<span class="cstat-no" title="statement not covered" > if(snapData.val()) {</span>
<span class="cstat-no" title="statement not covered" > return new Room(snapData);</span>
}
});
}
}
</pre></td></tr>
</table></pre>
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