Feed Group Types

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Flat FeedsCopied!

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Flat is the default feed type - and the only feed type that you can follow. It's not possible to follow either aggregated or notification feeds.

Create new feed groups based on the flat type in the dashboard.

OptionsCopied!

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Aggregated FeedsCopied!

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Aggregated feeds are helpful if you want to group activities. Here are some examples of what you can achieve using aggregated feeds:

• 'Eric followed 10 people'

• 'Julie and 14 others liked your photo'

You can create new aggregated feed groups in the dashboard.

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There are several options you can configure for aggregated feeds. The most important setting is the aggregation format. This format determines how activities are grouped together.

How Aggregated Feeds WorkCopied!

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When you insert an activity to an aggregated feed we apply the aggregation format. The aggregation format + the activity's data lead to a value for the "group". This group is used to combine the activities.

Aggregation Format SyntaxCopied!

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The following variables are available:

In addition, you can use any of the custom values you've provided when adding the activity.

Here are some common examples of aggregation formats:

• Per actor, verb id and day: {{ actor }}_{{ verb }}_{{ time.strftime("%Y-%m-%d") }}

• Per activity verb and day: {{ verb }}_{{ time.strftime("%Y-%m-%d") }}

• Follows by actor, everything else grouped by verb and day {% if verb == 'follow' %} {{ actor }}_{{ verb }}_{{ time.strftime("%Y-%m-%d") }} {% else %} {{ verb }}_{{ time.strftime("%Y-%m-%d") }} {% endif %}

The aggregation rule uses the Jinja2 Template Syntax. Control structures like if and else are available, as well as these filters:  int,  lower  and  strftime  to format the time variable. The options for strftime are documented here. Please get in touch with support if you need help with your aggregation formula.

Data FormatCopied!

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The data format in which Aggregated Feeds are returned differs from regular Flat Feeds.

At the top level of the JSON response, the 'results' field contains an array of Activity Groups, plus additional metadata about the feed. Within the results array, each Activity Group contains a count of Activities and unique 'actors' contained within the group.

Notification FeedsCopied!

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Notification Feed Groups extend the "Aggregated Feed Group" concept with additional features that make them well suited to notification systems:

• Notification Feeds contain Activity Groups, each with a seen and read status field. These fields can be updated to reflect how a user has interacted with a given notification.

• When retrieved, the Feed includes a real-time count of the total number of unseen and unread Activity Groups (notifications).

For example, take the notification system on Facebook. If you click the notification icon, all notifications get marked as seen. However, an individual notification only gets marked as read when you click on it.

You can create new Notification Feed Groups in the dashboard.

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There are several options to configure:

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Similar to Aggregated Feeds, the data format in which Notification Feeds are retrieved differs from regular Flat Feeds.

At the top level of the JSON response the results field contains an array of Activity Groups, along with overall unseen and unread counts and other metadata about the feed. Within the results array, each Activity Group contains the additional status fields that indicate the group is seen/read.

When reading the feed, set the mark_read and mark_seen parameter. The next time the feed is read, the seen and/or read status will be updated accordingly. Please keep in mind that the first call will always return the read and seen state prior to the change. This allows you to read a notification feed, mark activities as read or seen and display them according to the current state in a single API request.

Comma-separated list of activity group ids to mark as read, or True which means all

Comma-separated list of activity group ids to mark as seen, or True which means all

If passing IDs to mark_seen or mark_read, be sure to pass the ID of the activity group as returned by the API, not the IDs of individual activities.

Here's an example:

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// Mark all activities in the feed as seen 
notificationFeed.get({mark_seen:true}) 
    .then(function(data) { /* on success */ }) 
    .catch(function(reason) { /* on failure */ }); 
 
// Mark some activities as read via specific Activity Group Ids 
notificationFeed.get({mark_read: ['activityGroupIdOne', 'activityGroupIdTwo']}) 
    .then(function(data) { /* on success */ }) 
    .catch(function(reason) { /* on failure */ });

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# Mark all activities in the feed as seen 
results = notification_feed.get(mark_seen=True)['results'] 
 
# Mark some activities as read via specific Activity Group Ids 
notification_feed.get(mark_read=[results[0]['id'], results[1]['id']])

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# Mark all activities in the feed as seen 
result = notification_feed.get(:limit=>5, :offset=>;0, :mark_seen=>;true) 
 
# Mark some activities as read via specific Activity Group Ids 
result = notification_feed.get(:limit=>5, :mark_read=>['activity_group_id_1', 'activity_group_id_2'])

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# Mark all activities in the feed as seen 
$options = ['mark_seen' => true]; 
$results = $notificationFeed->getActivities(0, 10, $options); 
 
# Mark some activities as read via specific Activity Group Ids 
$options = ['mark_read' => ['activity_group_id_1', 'activity_group_id_2']]; 
$results = $notificationFeed->getActivities(0, 10, $options);

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NotificationFeed notifications = client.notificationFeed("notifications", "1"); 
// Mark all activities in the feed as seen 
List<notificationgroup<activity>> activityGroups = notifications.getActivities(new Limit(5), new ActivityMarker().allSeen()).get(); 
for (NotificationGroup<activity> group : activityGroups) { 
    // ... 
} 
// Mark some activities as read via specific Activity Group Ids 
activityGroups = notifications.getActivities(new Limit(5), new ActivityMarker().read("groupID1", "groupID2" /* ... */)).get();</activity></notificationgroup<activity>

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notifications := client.NotificationFeed("notifications", "1") 
// Mark all activities in the feed as seen 
resp, err := notifications.GetActivities(stream.WithNotificationsMarkSeen(true)) 
if err != nil { 
    panic(err) 
} 
for _, activity := range resp.Results { 
    // ... 
} 
// Mark some activities as read via specific Activity Group Ids 
resp, err = notifications.GetActivities(stream.WithNotificationsMarkRead( 
    false,              // don't mark all 
    groupID1, groupID2, //... 
))

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// Mark all activities in the feed as seen: 
notificationFeed.get(markOption: .seenAll) { result in /* ... */ } 
 
// Mark some activities as read via specific Activity Group Ids: 
notificationFeed.get(markOption: .read(["activityGroupIdOne", "activityGroupIdTwo"]) { result in /* ... */ }

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// Mark all activities in the feed as seen 
var result = await notificationFeed.GetActivities(0, 5, null, ActivityMarker.Mark().AllSeen()); 
 
// Mark some activities as read via specific Activity Group Ids

You'll often want to listen to feed changes in real-time. This is explained in the section on real-time updates.