Go Server SDK

∞ Installation

You can install this SDK by doing:

go get github.com/pusher/push-notifications-go

∞ Reference

∞ .New

Constructs a new Beams client instance using your instance id and secret key (you can get these from the dashboard)

∞ Arguments

∞ instanceIdString Required

The unique identifier for your Push notifications instance. This can be found in the dashboard under “Credentials”.

∞ secretKeyString Required

The secret key your server will use to access your Beams instance. This can be found in the dashboard under “Credentials”.

∞ optionsOption | vararg Optional

Variadic list of options for configuring the SDK

∞ Returns

∞ clientPushNotifications

Beams API client implementing the PushNotifications interface.

∞ errError

Error value if something went wrong, nil otherwise.

∞ Example

const (
  instanceId = "YOUR_INSTANCE_ID_HERE"
  secretKey  = "YOUR_SECRET_KEY_HERE"
)

beamsClient, err := pushnotifications.New(instanceId, secretKey)
if err != nil {
  fmt.Println("Could not create Beams Client:", err.Error())
}

∞ .PublishToInterests

Sends broadcast notifications to groups of subscribed devices using Device Interests

∞ Arguments

∞ interests[]string | Min length=1, Max length=100 Required

List of interests to send the push notification to, ranging from 1 to 100 per publish request. See Device Interests

∞ publishBodymap[string]interface{}

A map containing the publish request body. See publish API reference

∞ Returns

∞ publishIDstring

Unique identifier for the publish request.

∞ errerror

Error value if something went wrong, nil otherwise.

∞ Example

publishRequest := map[string]interface{}{
  "apns": map[string]interface{}{
    "aps": map[string]interface{}{
      "alert": map[string]interface{}{
        "title": "Hello",
        "body":  "Hello, world",
      },
    },
  },
  "fcm": map[string]interface{}{
    "notification": map[string]interface{}{
      "title": "Hello",
      "body":  "Hello, world",
    },
  },
  "web": map[string]interface{}{
    "notification": map[string]interface{}{
      "title": "Hello",
      "body":  "Hello, world",
    },
  },
}

pubId, err := beamsClient.PublishToInterests([]string{"hello"}, publishRequest)
if err != nil {
  fmt.Println(err)
} else {
  fmt.Println("Publish Id:", pubId)
}

∞ .PublishToUsers

Securely send notifications to individual users of your application using Authenticated Users

∞ Arguments

∞ userIds[]string | Min length=1, Max length=100 Required

List of ids of users to send the push notification to, ranging from 1 to 1000 per publish request. See Authenticated Users

∞ publishBodymap[string]interface{}

A map containing the publish request body. See publish API reference

∞ Returns

∞ publishIDstring

Unique identifier for the publish request.

∞ errerror

Error value if something went wrong, nil otherwise.

∞ Example

publishRequest := map[string]interface{}{
  "apns": map[string]interface{}{
    "aps": map[string]interface{}{
      "alert": map[string]interface{}{
        "title": "Hello",
        "body":  "Hello, world",
      },
    },
  },
  "fcm": map[string]interface{}{
    "notification": map[string]interface{}{
      "title": "Hello",
      "body":  "Hello, world",
    },
  },
  "web": map[string]interface{}{
    "notification": map[string]interface{}{
      "title": "Hello",
      "body":  "Hello, world",
    },
  },
}

pubId, err := beamsClient.PublishToUsers([]string{"user-001", "user-002"}, publishRequest)
if err != nil {
  fmt.Println(err)
} else {
  fmt.Println("Publish Id:", pubId)
}

∞ .GenerateToken

Generate a Beams auth token to allow a user to associate their device with their user id. The token is valid for 24 hours.

∞ Arguments

∞ userIDstring Required

ID of the user you would like to generate a Beams auth token for

∞ Returns

∞ beamsTokenstring

Beams Token for the given user

∞ errerror

Error value if something went wrong, nil otherwise.

∞ Example

userID := "user-001"
beamsToken, err := beamsClient.GenerateToken(userID)
if err != nil {
  fmt.Println("Could not generate Beams token:", err.Error())
}

∞ .DeleteUser

Remove the given user (and all of their devices) from Beams. This user will no longer receive any notifications and all state stored about their devices will be deleted.

∞ Arguments

∞ userIDstring Required

ID of the user you would like to delete from Beams.

∞ Returns

∞ errerror

Error value if something went wrong, nil otherwise.

∞ Example

userID := "user-001"
err := beamsClient.DeleteUser(userID)
if err != nil {
  fmt.Println("Could not delete user:", err.Error())
}