├── README.md
└── src
    ├── aura
        ├── Streamer
        │   ├── Streamer.cmp
        │   ├── Streamer.cmp-meta.xml
        │   ├── StreamerController.js
        │   └── StreamerHelper.js
        └── StreamerEvent
        │   ├── StreamerEvent.evt
        │   └── StreamerEvent.evt-meta.xml
    ├── classes
        ├── StreamerCtrl.cls
        ├── StreamerCtrl.cls-meta.xml
        ├── StreamerCtrlTest.cls
        └── StreamerCtrlTest.cls-meta.xml
    ├── package.xml
    └── staticresources
        ├── streaming.resource
        └── streaming.resource-meta.xml


/README.md:
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 1 | # Deprecated.  Archived.
 2 | 
 3 | ## You should not use this for anything--use the new lightning:empApi (winter19 release).
 4 | 
 5 | 
 6 | 
 7 | 
 8 | 
 9 | 
10 | 
11 | 
12 | 
13 | ---
14 | 
15 | LightningStreamer
16 | 
17 | 1. gets a sessionId via apex
18 | 2. subscribes to a push topic or platform event that you set as an attribute
19 | 3. listens for messages, and emits the messages uncensored as a lightning standard *application* event
20 | 4. Then your other components listen for that event
21 | 
22 | ### Setup
23 | 
24 | * Install
25 | * create a push topic or platform event (google if you don't know how)
26 | * use in another component or in your app like this
27 | 
28 | ```
29 | <c:Streamer topic="someTopicYouMade"/>
30 | ```
31 | 
32 | or
33 | 
34 | ```
35 | <c:Streamer platformEvent="My_Event__e"/>
36 | ```
37 | 
38 | other components should listen thusly:
39 | 
40 | ```
41 | <aura:handler event="ltng:sendMessage" action="{!c.doSomething}"/>
42 | 
43 | ```
44 | in the controller handler function:
45 | 
46 | ```
47 | var message = event.getParam("message");
48 | var channel = event.getParam("channel"); //channel = 'streamingAPISubscriber'
49 | ```
50 | 
51 | the message is the typical streaming api message: message.data.sobject (streaming topic) or message.data.payload (events)
52 | 
53 | 
54 | ### Philosopy
55 | Streamer is very stupid, it just listens and repeats everthing it hears--no traffic control or directed communications.
56 | 
57 | It's the job of the other components to handle all messages, deciding what they should do with them, if anything.
58 | 
59 | <a href="https://githubsfdeploy.herokuapp.com?owner=mshanemc&repo=LightningStreamer">
60 |   <img alt="Deploy to Salesforce"
61 |        src="https://raw.githubusercontent.com/afawcett/githubsfdeploy/master/deploy.png"/>
62 | </a>
63 | 


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/src/aura/Streamer/Streamer.cmp:
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 1 | <aura:component controller="StreamerCtrl">
 2 | 
 3 |     <ltng:require scripts="/resource/streaming/js/cometd.js,/resource/streaming/js/jquery-1.5.1.js,/resource/streaming/js/json2.js,/resource/streaming/js/jquery.cometd.js"
 4 |                   afterScriptsLoaded="{!c.doInit}" />
 5 | 
 6 |     <aura:registerEvent name="streamerEvent" type="c:StreamerEvent"/>
 7 | 
 8 | 
 9 |     <aura:attribute name="topic" type="string" required="true" />
10 |     <aura:attribute name="platformEvent" type="string" required="false" access="global"/>
11 | 
12 | 
13 | </aura:component>


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/src/aura/Streamer/Streamer.cmp-meta.xml:
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1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <AuraDefinitionBundle xmlns="http://soap.sforce.com/2006/04/metadata">
3 |     <apiVersion>36.0</apiVersion>
4 |     <description>A Lightning Component Bundle</description>
5 | </AuraDefinitionBundle>
6 | 


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/src/aura/Streamer/StreamerController.js:
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 1 | /* global $ */
 2 | 
 3 | ({
 4 |     doInit : function(component, event, helper) {
 5 |         console.log('doing init on streamer');
 6 | 
 7 |         // Retrieve the session id and initialize cometd
 8 |         let sessionAction = component.get("c.sessionId");
 9 |         let url = helper.buildUrl(component);
10 | 
11 |         sessionAction.setCallback(this, function(response) {
12 |             let state = response.getState();
13 |             if(state  === "SUCCESS") {
14 |                 let sessionId = response.getReturnValue();
15 |                 let authstring = "OAuth " + sessionId;
16 | 
17 |                 //authenticate to the Streaming API
18 |                 $.cometd.init({
19 |                     url: window.location.protocol + '//' + window.location.hostname + '/cometd/40.0/',
20 |                     requestHeaders: { Authorization: authstring },
21 |                     appendMessageTypeToURL : false
22 |                 });
23 | 
24 |                 $.cometd.subscribe(url, function (message){
25 |                     let evt = $A.get("e.ltng:sendMessage");
26 |                     evt.setParams({"message" : message, "channel" : "streamingAPISubscriber"});
27 |                     evt.fire();
28 |                 });
29 |             }
30 | 
31 |         });
32 | 
33 |         $A.enqueueAction(sessionAction);
34 |     }
35 | })


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/src/aura/Streamer/StreamerHelper.js:
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 1 | ({
 2 | 	buildUrl : function(component) {
 3 | 		if (component.get("v.topic")){
 4 | 			return '/topic/'+component.get("v.topic");
 5 | 		} else if (component.get("v.platformEvent")){
 6 | 			return '/event/'+component.get("v.platformEvent");
 7 | 		} else {
 8 | 			console.error('Neither the topic nor the platform event is specified');
 9 | 		}
10 | 
11 | 	}
12 | })


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/src/aura/StreamerEvent/StreamerEvent.evt:
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1 | <aura:event type="APPLICATION" description="output is the message from a streaming API" >
2 | 	<aura:attribute name="message" type="object"/>
3 | </aura:event>


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/src/aura/StreamerEvent/StreamerEvent.evt-meta.xml:
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1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <AuraDefinitionBundle xmlns="http://soap.sforce.com/2006/04/metadata">
3 |     <apiVersion>36.0</apiVersion>
4 |     <description>A Lightning Component Bundle</description>
5 | </AuraDefinitionBundle>
6 | 


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/src/classes/StreamerCtrl.cls:
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1 | public class StreamerCtrl {
2 | 	
3 |     @AuraEnabled
4 |     public static String sessionId() {
5 |         return UserInfo.getSessionId();
6 |     }
7 | 
8 |     
9 | }


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/src/classes/StreamerCtrl.cls-meta.xml:
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1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <ApexClass xmlns="http://soap.sforce.com/2006/04/metadata">
3 |     <apiVersion>36.0</apiVersion>
4 |     <status>Active</status>
5 | </ApexClass>
6 | 


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/src/classes/StreamerCtrlTest.cls:
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 1 | @isTest
 2 | private class StreamerCtrlTest
 3 | {
 4 | 	@isTest
 5 | 	static void itShouldReturnSessionId()
 6 | 	{
 7 | 		string sid = StreamerCtrl.sessionId();
 8 | 		system.assertNotEquals(sid, null);
 9 | 		
10 | 	}
11 | }


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/src/classes/StreamerCtrlTest.cls-meta.xml:
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1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <ApexClass xmlns="http://soap.sforce.com/2006/04/metadata">
3 |     <apiVersion>34.0</apiVersion>
4 |     <status>Active</status>
5 | </ApexClass>
6 | 


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/src/package.xml:
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 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <Package xmlns="http://soap.sforce.com/2006/04/metadata">
 3 | 	<types>
 4 | 		<members>StreamerCtrl</members>
 5 | 		<members>StreamerCtrlTest</members>
 6 | 		<name>ApexClass</name>
 7 | 	</types>
 8 | 	<types>
 9 | 		<members>Streamer</members>
10 | 		<members>StreamerEvent</members>
11 | 		<name>AuraDefinitionBundle</name>
12 | 	</types>
13 | 	<types>
14 | 		<members>streaming</members>
15 | 		<name>StaticResource</name>
16 | 	</types>
17 | 	<version>34.0</version>
18 | </Package>


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/src/staticresources/streaming.resource:
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https://raw.githubusercontent.com/mshanemc/lightningStreamer/eb8c2872b14ca0f28a10b2c9b4c36b1ada278d59/src/staticresources/streaming.resource


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/src/staticresources/streaming.resource-meta.xml:
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1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <StaticResource xmlns="http://soap.sforce.com/2006/04/metadata">
3 |     <cacheControl>Private</cacheControl>
4 |     <contentType>application/octet-stream</contentType>
5 | </StaticResource>
6 | 


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