# Push Inbox

### Push Inbox Overview

`NetmeraInbox` allows you to access and manage previously sent push notifications in an inbox-style interface. You cannot instantiate `NetmeraInbox` directly; instead, you must obtain an instance through the SDK and use it to interact with push notifications.

### Filtering Notifications

Create a `NetmeraInboxFilter` instance to specify which push notifications to fetch. You can filter by:

* **Status**: Read, Unread, or Deleted.
* **Categories**: Filter by specific categories.
* **Expired Notifications**: Include or exclude expired notifications.  
* **Page Size**: Number of notifications to fetch per request.

Here is a sample code to determine filtering options:

```javascript
import { Netmera, NetmeraInboxFilter } from '@awesome-cordova-plugins/netmera/ngx'

     const netmeraInboxFilter = new NetmeraInboxFilter()
   
 
```

### Netmera Inbox Object

```
 export interface NetmeraInboxFilter {
    status?: number;
    pageSize?: number;
    categories?: string[];
    includeExpiredObjects?: boolean;
}
```

### Fetching the First Page

Use `fetchInbox()` to retrieve notifications that match the filter:

```javascript
 fetchInbox() { 
        let newFilter: NetmeraInboxFilter = {
        status: NetmeraPushStatus.all,
        pageSize: 1
      }
      this.netmera.fetchInboxUsingFilter(newFilter).then(inbox => {
        console.log("FetchInbox Success: ", JSON.stringify(inbox));
      }).catch(err => {
        console.log("FetchInbox Error", err);
      });
    }
```

### Fetching Next Pages

Once the first page is retrieved, use `netmera.fetchNextPage()` to get additional pages:

```javascript
this.netmera.fetchNextPage().catch(inbox => {
     console.log("FetchNextPage: ");
   }).catch(err => {
     console.log("FetchNextPage error: ",err);
   });
```

{% hint style="danger" %}
Calling `netmera.fetchNextPage()` when no additional pages exist will trigger an error.
{% endhint %}

### Updating Push Notification Status

Notifications can have three states:

* **Unread**
* **Read**
* **Deleted**

Use `updateStatus` to change a notification's status asynchronously:

```javascript
this.netmera.updatePushStatus(index, length, NetmeraPushStatus.read).then(result => {
      console.log("Update Status: ", result);
    }).catch(err => {
      console.log("Update Error: ", err);
    });
```

### Counting Notifications by Status

Retrieve the count of notifications by status:

```javascript
//get count unread push objects
    this.netmera.countForStatus(NetmeraPushStatus.unread).then(count => {
      console.log("Count: ", count);
    }).catch(err => {
      console.log(err);
    });
```