module Facebook Events

justb3a · March 10, 2017

FacebookEvents

ProcessWire module to get Facebook Page Events using the Graph API.

Create an app on Facebook developers website

You have to create an app to get appId and appSecret. Those keys are required.
Go to Facebook Developers and add a new app.
Congrats! Now you can copy your Facebook appId and appSecret.

Get your Facebook page ID

You can either enter your facebook page ID or the facebook page name.
If you enter the Facebook page name, this module will get the page ID for you!

Call Module

$events = $modules->get('FacebookEvents')->getEvents();

Output Events

{% for event in events|reverse %}
  {% if event.start_time|date('U') > date().timestamp %}
    <div>
      {% set dts = modules.get('FacebookEvents').getDates(event) %}
      <a href="https://www.facebook.com/events/{{event.id}}/" title="Facebook">{{dts.dates}}:</a>
      {{event.name}} <em>{{dts.times}}</em>
    </div>
  {% endif %}
{% endfor %

ngrmm · May 10, 2017

is there a way to get also the event-venue?

justb3a · May 10, 2017

At the moment the endpoint just returns: id, name, timezone, start_time, end_time, description.

But it's pretty easy to get the information about the place and cover. I updated the module to include it as well and updated the Graph Api Version to 2.9.

`$modules->get('FacebookEvents')->getEvents()` returns now the following data:

array(1) {
  [0]=>
  array(6) {
    ["id"]=>
    string(15) "123123123"
    ["name"]=>
    string(3) "xxx"
    ["timezone"]=>
    string(13) "Europe/Berlin"
    ["start_time"]=>
    string(24) "2017-06-23T16:00:00+0200"
    ["end_time"]=>
    string(24) "2017-06-23T18:30:00+0200"
    ["description"]=>
    string(3) "foo",
    ["place"]=>
    array(3) {
      ["name"]=>
      string(5) "Venue"
      ["location"]=>
      array(6) {
        ["city"]=>
        string(7) "Berlin"
        ["country"]=>
        string(7) "Germany"
        ["latitude"]=>
        float(xx.3321915)
        ["longitude"]=>
        float(xx.3735704)
        ["street"]=>
        string(17) "Street 14"
        ["zip"]=>
        string(5) "01234"
      }
      ["id"]=>
      string(15) "123123123"
    }
    ["cover"]=>
    array(4) {
      ["offset_x"]=>
      int(0)
      ["offset_y"]=>
      int(85)
      ["source"]=>
      string(148) "https://scontent.xx.fbcdn.net/v/t31.0-8/s720x720/..."
      ["id"]=>
      string(16) "123123123"
    }
  }
}

Having a quick look at the Graph API documentation, using the event ID one could send another request to get even more data.
Please read the Graph API documentation at https://developers.facebook.com/docs/graph-api/reference/event/.

ngrmm · May 13, 2017

ok thx justb3a
i'll try that.

could you help me with outputing the dates. i'm a php-beginner and can't output the events. your code above is written in twig, is that an engine?
anyway i tried it like this:

<?php
	$events = $modules->get('FacebookEvents')->getEvents();
		echo "<ul>";
			foreach($events as $event) {
				echo "<li>$event->name</li>";
				}
		echo "</ul>";
?>

but i don't get any ouput from this.

maybe i did something wrong while creating the facebook-app. i added the ID and SECRET into the module and the page-name. but the module doesnt add the page-ID automatically!
do i have to be the owner of the facebook-page which events i want to get?

justb3a · May 14, 2017

The workflow is as follows:

Enter Client ID and Secret
Enter Page Name OR Page ID: If you enter the Page Name, make sure to copy it from the Facebook page url similar to `https://www.facebook.com/NameWithoutSpaces` => NameWithoutSpaces would be the Page Name
Add `$events = $modules->get('FacebookEvents')->getEvents();` to a template and open the belonging page (frontend)
Go back to module settings and check (reload before) if a page id has been added. If not, your page name could not be resolved.
Now you should be able to receive events:

$events = $modules->get('FacebookEvents')->getEvents();
echo "<ul>";
foreach ($events as $event) {
  echo "<li>{$event['name']}</li>";
}
echo "</ul>";

$events is an array, so you have to use the following syntax: `$event['propertyName']`.

I found a little bug and updated the module, so please make sure to get the latest version.

ngrmm · May 14, 2017

3 hours ago, justb3a said:

$events is an array, so you have to use the following syntax: `$event['propertyName']`.

that was it!

thx, great module!
there should be a „buy-me-a-beer“-button (flattr, paypal, …)!

ngrmm · June 1, 2017

me again,

everything worked fine. at first the cache was set to now. then i changed that to daily and moved the website to another directory. since then module doesn't get newly added events. it seems the old data is stored somewhere an no updates are possible.

i created a new app and tried it different APP-ID and had no luck.
i still get data output when the APP-ID, APP-SECRET and Facebook-Name-Fields are empty !? and i don't use any other cache-modules

am i doing something wrong?

justb3a · June 1, 2017

Have a look at your caches table. Search for name=Module.FacebookEvents. Delete this row.

Furthermore you could have a look at your modules table where class=FacebookEvents, column: data.

ngrmm · June 1, 2017

it suddenly works now, i think the 24h were over since the last update.

i'll have look at the tables next time. thx

ngrmm · June 1, 2017

it works now, but it seems that there is limit. facebook API only returns 25 events.
i found this solution:

https://stackoverflow.com/questions/4752967/facebook-api-only-returns-25-events-max

but this is too advanced for me. i don't now how and where to set the limit to 50 or more.

ngrmm · June 1, 2017

ah

changed line:29 in FacebookEvents.module to:

const FB_PAGEEVENTS_URL = '%sv%s/%s/events/?fields=%s&access_token=%s&since=%s&until=%s&limit=50';

Tacolombardi · June 8, 2017

Hi,

this is all working fine for me, nice module!

I have one question: is it also possible to display the image of the event?

I think i should use "Cover" and "Source" but i'm not that good with php so I don't know in what sentence to use it..

justb3a · June 8, 2017

@ngrmm It's never a good idea to override somehing in the core or in a third-party module because if you update it your changes are overritten again. I updated the module and added an option in module settings to set the limit.

@Tacolombardi

<?php $events = $modules->get('FacebookEvents')->getEvents(); ?>
<ul>
  <?php foreach ($events as $event): ?>
    <li>
      <?=$event['name']?>
      <img src="<?=$event['cover']['source']?>" alt="<?=$event['name']?>" />
    </li>
  <?php endforeach; ?>
</ul>

ngrmm · June 25, 2017

On 1.6.2017 at 8:32 AM, justb3a said:

Have a look at your caches table. Search for name=Module.FacebookEvents. Delete this row.

Furthermore you could have a look at your modules table where class=FacebookEvents, column: data.

still having problems. newly added events won't show up in frontend. i guess this has something to do with cache/tables.
i have to delete it manually, is there a way the module would do that automatically?

Macrura · July 25, 2017

What i did was to make the Page ID field editable, that was the only way to test the module with a dummy events feed and then switch it out to a different page; the clear module cache select item is not working for some reason...

in line 66 of the FacebookEventsConfig.php you can comment out this:

$field->collapsed = Inputfield::collapsedNoLocked;

...

I made some other changes to the module to allow the users to configure the since date, and until date; Once that's all stable i'll hopefully do a pull request on github for the extended features; and if i can figure out how to make it update the ID of the page if the cache is set to expire now, i'll post back here..

justb3a · July 25, 2017

@Macrura Are you using the latest version? I fixed a little bug just a few weeks ago. Looking forward to merge your PR

Lance O. · August 7, 2017

What about this module makes to specific to PW 3.x and above? I would like to be able to use it on site using PW 2.7.2.

justb3a · August 7, 2017

15 minutes ago, Lance O. said:

What about this module makes to specific to PW 3.x and above? I would like to be able to use it on site using PW 2.7.2.

This module uses namespaces which has been introduced with PW 3. I upgraded all my projects to PW 3.x, so I have no need to test and support older versions.

Lance O. · August 7, 2017

Thanks for the quick response!

silvestro · October 27, 2017

This may be a dumb question, but how do I get past events?

With normal usage I just get the future events, but when I modify the module at the getEvents() function and set the $sinceDate to 0, I get all past events aswell.

Am I missing an implemented solution intended by @justb3a?

Macrura · October 27, 2017

you can't get past events, but you can try the forked version which has a few extra options... (date since, date until, reverse sort)...

https://github.com/outflux3/processwire-facebookevents

planned to do a PR but haven't gotten round to it yet..

silvestro · October 28, 2017

Thanks for your reply, that works great!

Macrura · October 28, 2017

ok cool -thanks for testing out my version!

i will be submitting a PR soon so once that happens and if it is accepted you could switch back to the official branch; but if it works for you and satisfies your current requirements, it should be 'stable', there are just a few simple changes to the code and those added inputfields. if you do run into any issues, you can post an issue on the forked github issues page..

justb3a · November 4, 2017

On 28/10/2017 at 5:39 PM, Macrura said:

i will be submitting a PR soon so once that happens and if it is accepted you could switch back to the official branch; but if it works for you and satisfies your current requirements, it should be 'stable', there are just a few simple changes to the code and those added inputfields. if you do run into any issues, you can post an issue on the forked github issues page..

I created a "Pull Request" at my own and extended the module config, so one is able to define a date range and reverse sorting. Thanks @Macrura

ngrmm · April 15, 2018

all of a sudden module stopped working. i do not use any caching. i'm a bit puzzeld what happened
any changes from facebook?

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module Facebook Events

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FacebookEvents

Create an app on Facebook developers website

Get your Facebook page ID

Call Module

Output Events

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