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<h1>
<a href="../../index.html">all files</a> / <a href="index.html">src/core/</a> Invite.js
</h1>
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<span class="cline-any cline-neutral"> </span></td><td class="text"><pre class="prettyprint lang-js">import {ONGOING, ACCEPTED, REJECTED, CANCELED} from './util/constants';
import * as DataSync from './util/DataSync';
import * as Log from './util/Log';
import cache from './util/cache';
import Room from './Room';
import * as Events from '../definitions/Events';
/**
* Update
* @param {Invite} invite The invite
* @param {string} status The new status
* @param {string} [reason=null] The reason (a message)
* @param {object} [_ended=null]
* @access private
* @returns {Promise<Invite, Error>}
*/
const update = (invite, status, reason = null, _ended = null) => <span class="fstat-no" title="function not covered" >{</span>
const values = <span class="cstat-no" title="statement not covered" >{</span>
status,
reason,
_ended
};
<span class="cstat-no" title="statement not covered" > if(invite.status !== ONGOING) {</span>
<span class="cstat-no" title="statement not covered" > return Promise.reject(new Error('This invitation has already been answered'));</span>
}
<span class="cstat-no" title="statement not covered" > return DataSync.update(`_/invites/${invite.to}/${invite.uid}`, values)</span>
.then(() => <span class="fstat-no" title="function not covered" >{</span>
<span class="cstat-no" title="statement not covered" > Object.keys(values).forEach(prop => <span class="fstat-no" title="function not covered" >{</span></span>
<span class="cstat-no" title="statement not covered" > invite[prop] = values[prop];</span>
});
<span class="cstat-no" title="statement not covered" > return Room.get(invite.room);</span>
})
.then(room => (<span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >{room, invite})</span></span>)
.catch(Log.r('Invite_update'));
};
/**
* Invitation
* @public
*/
export default class Invite {
/**
* Create an invite
* @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(), to: snapData.ref().parent().name()});</span>
}
/**
* Invite's unique id
* @type string
*/
<span class="cstat-no" title="statement not covered" > this.uid = values.uid;</span>
/**
* Invite's sender uid
* @type {string}
*/
<span class="cstat-no" title="statement not covered" > this.from = values.from;</span>
/**
* Invitee's uid
* @type {string}
*/
<span class="cstat-no" title="statement not covered" > this.to = values.to;</span>
/**
* The id of the room associated to the invite
* @type {string}
*/
<span class="cstat-no" title="statement not covered" > this.room = values.room;</span>
/**
* The invitation status :
* - ONGOING - The receiver has not yet responded to the invitation
* - ACCEPTED - The receiver has accepted the invitation
* - REJECTED - The receiver has rejected the invitation
* - CANCELED - The sender canceled the invitation
* @type {string}
*/
<span class="cstat-no" title="statement not covered" > this.status = values.status;</span>
/**
* Invite message. This will be either a custom message if the status is ONGOING or a reason when status is CANCELED|REJECTED.
* @type {string}
*/
<span class="cstat-no" title="statement not covered" > this.topic = values.topic;</span>
/**
* Invite creation timestamp
* @type {number}
*/
<span class="cstat-no" title="statement not covered" > this._created = values._created;</span>
/**
* Invite expiration timestamp
* @type {number}
*/
<span class="cstat-no" title="statement not covered" > this._ended = values._ended;</span>
/**
* Invite events callbacks
* @type {{}}
* @private
*/
<span class="cstat-no" title="statement not covered" > this._callbacks = {};</span>
}
/**
* Is this invitation waiting for a reply ?
* @type {boolean}
*/
get isOnGoing() <span class="fstat-no" title="function not covered" >{</span>
<span class="cstat-no" title="statement not covered" > return this.status === ONGOING;</span>
}
/**
* Was this invitation rejected ?
* @type {boolean}
*/
get isRejected() <span class="fstat-no" title="function not covered" >{</span>
<span class="cstat-no" title="statement not covered" > return this.status === REJECTED;</span>
}
/**
* Was this invitation accepted ?
* @type {boolean}
*/
get isAccepted() <span class="fstat-no" title="function not covered" >{</span>
<span class="cstat-no" title="statement not covered" > return this.status === ACCEPTED;</span>
}
/**
* Was this invitation canceled ?
* @type {boolean}
*/
get isCanceled() <span class="fstat-no" title="function not covered" >{</span>
<span class="cstat-no" title="statement not covered" > return this.status === CANCELED;</span>
}
/**
* Cancels the invitation. Only the sender can cancel the invitation.
* @param {string} [reason] The reason the sender is canceling the invite
* @return {Promise<Invite>}
*/
cancel(reason) <span class="fstat-no" title="function not covered" >{</span>
<span class="cstat-no" title="statement not covered" > return update(this, CANCELED, reason, DataSync.ts());</span>
}
/**
* Rejects the invitation. Only the receiver can reject the invitation.
* @param {string} [reason] The reason the receiver is rejecting the invite
* @return {Promise<Invite>}
*/
reject(reason) <span class="fstat-no" title="function not covered" >{</span>
<span class="cstat-no" title="statement not covered" > return update(this, REJECTED, reason, DataSync.ts());</span>
}
/**
* Accept the invitation. Only the receiver can accept the invitation.
* @return {Promise<Invite>}
*/
accept() <span class="fstat-no" title="function not covered" >{</span>
<span class="cstat-no" title="statement not covered" > return update(this, ACCEPTED);</span>
}
/**
* Register a callback for a status update
* @param {string} status Can be:
* - ACCEPTED
* - REJECTED
* - CANCELED
* @param {function} callback
*/
on(status, callback) <span class="fstat-no" title="function not covered" >{</span>
<span class="cstat-no" title="statement not covered" > if(Events.invite.supports(status)) {</span>
// Register callback
<span class="cstat-no" title="statement not covered" > if (!this._callbacks[status]) {</span>
<span class="cstat-no" title="statement not covered" > this._callbacks[status] = [];</span>
}
<span class="cstat-no" title="statement not covered" > this._callbacks[status].push(callback);</span>
// Defined listener & subscribe if needed
<span class="cstat-no" title="statement not covered" > if (!this._listener) {</span>
/**
* Invite status update callback
* @type {function}
* @private
*/
<span class="cstat-no" title="statement not covered" > this._listener = snapData => <span class="fstat-no" title="function not covered" >{</span></span>
const updated = <span class="cstat-no" title="statement not covered" >snapData.val();</span>
<span class="cstat-no" title="statement not covered" > if (updated !== null && updated !== this.status) {</span>
<span class="cstat-no" title="statement not covered" > this.status = updated;</span>
<span class="cstat-no" title="statement not covered" > (this._callbacks[updated] || []).forEach(cb => <span class="fstat-no" title="function not covered" >{</span></span>
<span class="cstat-no" title="statement not covered" > cb(this);</span>
});
}
};
<span class="cstat-no" title="statement not covered" > DataSync.on(`_/invites/${this.to}/${this.uid}/status`, 'value', this._listener.bind(this));</span>
}
}
}
/**
* Register a callback for all status change events
* @param {function} callback
*/
onStatusChange(callback) <span class="fstat-no" title="function not covered" >{</span>
<span class="cstat-no" title="statement not covered" > [ACCEPTED, REJECTED, CANCELED].forEach(event => <span class="fstat-no" title="function not covered" >{</span></span>
<span class="cstat-no" title="statement not covered" > this.on(event, callback);</span>
});
}
/**
* Un-register a callback for a status update
* @param {string} [status] Can be:
* - ACCEPTED
* - REJECTED
* - CANCELED
* - null This will un-register all callbacks
* @param {function} [callback]
*/
off(status, callback) <span class="fstat-no" title="function not covered" >{</span>
<span class="cstat-no" title="statement not covered" > if(!status) {</span>
<span class="cstat-no" title="statement not covered" > this._callbacks = {};</span>
} else <span class="cstat-no" title="statement not covered" >if(this._callbacks[status]) {</span>
<span class="cstat-no" title="statement not covered" > if(callback) {</span>
const idx = <span class="cstat-no" title="statement not covered" >this._callbacks[status].findIndex(cb => <span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >cb === callback)</span></span>;</span>
<span class="cstat-no" title="statement not covered" > if (idx >= 0) {</span>
<span class="cstat-no" title="statement not covered" > this._callbacks.splice(idx, 1);</span>
}
} else {
<span class="cstat-no" title="statement not covered" > this._callbacks[status] = [];</span>
}
}
<span class="cstat-no" title="statement not covered" > if(![CANCELED, ACCEPTED, REJECTED].some(event => <span class="cstat-no" title="statement not covered" ><span class="fstat-no" title="function not covered" >this._callbacks[event] && this._callbacks[event].length > 0)</span></span>){</span>
<span class="cstat-no" title="statement not covered" > DataSync.off(`_/invites/${this.to}/${this.uid}/status`, 'value');</span>
}
}
/**
* Un-register a callback for all status change events
* @param {function} [callback]
*/
offStatusChange(callback) <span class="fstat-no" title="function not covered" >{</span>
<span class="cstat-no" title="statement not covered" > if(!callback) {</span>
<span class="cstat-no" title="statement not covered" > this.off();</span>
} else {
<span class="cstat-no" title="statement not covered" > [ACCEPTED, REJECTED, CANCELED].forEach(event => <span class="fstat-no" title="function not covered" >{</span></span>
<span class="cstat-no" title="statement not covered" > this.off(event, callback);</span>
});
}
}
/**
* Create the invitation & add the user to the participants list
* @access protected
* @param {User} invitee The user to invite
* @param {Room} room The room to invite the user to
* @param {string} [message] A message for the invitee
*/
static send(invitee, room, message = null) <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 send an invite.'));</span>
}
const inviteMetaData = <span class="cstat-no" title="statement not covered" >{</span>
from: cache.user.uid,
room: room.uid,
status: ONGOING,
_created: DataSync.ts(),
topic: message
};
<span class="cstat-no" title="statement not covered" > return DataSync.push(`_/invites/${invitee.uid}`, inviteMetaData)</span>
.then(inviteRef => <span class="fstat-no" title="function not covered" >{</span>
const inviteId = <span class="cstat-no" title="statement not covered" >inviteRef.name();</span>
<span class="cstat-no" title="statement not covered" > return new Invite(Object.assign({uid: inviteId, to: invitee.uid}, inviteMetaData));</span>
})
.catch(Log.r('Invite#send'));
}
}
</pre></td></tr>
</table></pre>
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