apiKeyHeader generates the value of the Authorization key

NewFcmClient init and create fcm client

Send to fcm

extractTopicName extract topic name for valid topic name input

parseGetInfo parses response to InstanceIdInfoResponse

ToByte converts ApnsBatchRequest to a byte

NewFcmMsgTo sets the targeted token/topic and the data payload

NewFcmTopicMsg sets the targeted token/topic and the data payload

SetMsgData sets data payload

generateBatchRequest based on tokens and topic

generateBatchResponse converts a byte response to BatchResponse

generateGetInfoUrl generate based on with details and the instance token

generateSubToTopicUrl generates a url based on the instnace id and topic name

newDevicesList init the devices list

AppendDevices adds more devices/tokens to the Fcm request

NewFcmRegIdsMsg gets a list of devices with data payload

parseApnsBatchResponse converts apns byte response to ApnsBatchResponse

parseStatusBody parse FCM response body

parseSubscribeResponse converts a byte response to a SubscribeResponse

sendOnce send a single request to fcm

toJsonByte converts FcmMsg to a json byte

ApnsBatchImportRequest apns import requst

BatchSubscribeToTopic subscribes (many) devices/tokens to a given topic

BatchUnsubscribeFromTopic unsubscribes (many) devices/tokens from a given topic

GetInfo gets the instance id info

GetRetryAfterTime converts the retrey after response header to a time.Duration

IsTimeout check whether the response timeout based on http response status code and if any error is retryable

PrintResults prints InstanceIdInfoResponse, for faster debugging

PrintResults prints SubscribeResponse, for faster debugging

PrintResults prints BatchResponse, for faster debugging

PrintResults prints ApnsBatchResponse, for faster debugging

PrintResults prints the FcmResponseStatus results for fast using and debugging

SetCollapseKey This parameter identifies a group of messages (e.g., with collapse_key: "Updates Available") that can be collapsed, so that only the la

SetCondition to set a logical expression of conditions that determine the message target

SetContentAvailable On iOS, use this field to represent content-available in the APNS payload. When a notification or message is sent and this is set

SetDelayWhileIdle When this parameter is set to true, it indicates that the message should not be sent until the device becomes active. The default va

SetDryRun This parameter, when set to true, allows developers to test a request without actually sending a message. The default value is false

SetMutableContent Currently for iOS 10+ devices only. On iOS, use this field to represent mutable-content in the APNs payload. When a notification is

SetNotificationPayload sets the notification payload based on the specs https://firebase.google.com/docs/cloud-messaging/http-server-ref

SetPriority Sets the priority of the message. Priority_HIGH or Priority_NORMAL

SetRestrictedPackageName This parameter specifies the package name of the application where the registration tokens must match in order to receive the

SetTimeToLive This parameter specifies how long (in seconds) the message should be kept in FCM storage if the device is offline. The maximum time to l

SubscribeToTopic subscribes a single device/token to a topic