Firebase Cloud Messaging for application servers implemented using the Go programming language. It's designed for simple push notification sending via HTTP API

To install fcm, use go get:

go get gopkg.in/maddevsio/fcm.v1

Import fcm with the following:

import "gopkg.in/maddevsio/fcm.v1"

package main

import (
	"fmt"
	"log"

	"gopkg.in/maddevsio/fcm.v1"
)

func main() {
	data := map[string]string{
		"msg": "Hello World1",
		"sum": "Happy Day",
	}
	c := fcm.NewFCM("serverKey")
	token := "token"
	response, err := c.Send(fcm.Message{
		Data:             data,
		RegistrationIDs:  []string{token},
		ContentAvailable: true,
		Priority:         fcm.PriorityHigh,
		Notification: fcm.Notification{
			Title: "Hello",
			Body:  "World",
		},
	})
	if err != nil {
		log.Fatal(err)
	}
	fmt.Println("Status Code   :", response.StatusCode)
	fmt.Println("Success       :", response.Success)
	fmt.Println("Fail          :", response.Fail)
	fmt.Println("Canonical_ids :", response.CanonicalIDs)
	fmt.Println("Topic MsgId   :", response.MsgID)
}

More examples can be found in /_examples/ directory

MIT License

Copyright (c) 2017 Mad Devs Developers

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.