lambdaからfirebase

myFirestore.go

package main

import (
	"context"
	"firebase.google.com/go"
	"google.golang.org/api/option"
	"log"
	"time"
	"github.com/aws/aws-lambda-go/lambda"
)

type iratto struct {
	Type string
	Created time.Time
}

func main() {
	lambda.Start(hello)
}

func hello(event IotButtonEvent) {
	ctx := context.Background()

	opt := option.WithCredentialsFile("./firebase_secret_key.json")
	app, err := firebase.NewApp(ctx, nil, opt)
	if err != nil {
		log.Fatalln(err)
	}

	client, err := app.Firestore(ctx)
	if err != nil {
		log.Fatalln(err)
	}
	defer client.Close()

	_, _, err = client.Collection("users").Add(ctx, iratto{
		Type:   event.DeviceEvent.ButtonClicked.ClickType,
		Created: time.Now(),
	})
	if err != nil {
		log.Fatalf("Failed adding alovelace: %v", err)
	}

}

struct.go

package main

import "time"

type IotButtonEvent struct {
	DeviceInfo struct {
		DeviceID      string  `json:"deviceId"`
		Type          string  `json:"type"`
		RemainingLife float64 `json:"remainingLife"`
		Attributes    struct {
			ProjectRegion      string `json:"projectRegion"`
			ProjectName        string `json:"projectName"`
			PlacementName      string `json:"placementName"`
			DeviceTemplateName string `json:"deviceTemplateName"`
		} `json:"attributes"`
	} `json:"deviceInfo"`
	DeviceEvent struct {
		ButtonClicked struct {
			ClickType    string    `json:"clickType"`
			ReportedTime time.Time `json:"reportedTime"`
		} `json:"buttonClicked"`
	} `json:"deviceEvent"`
	PlacementInfo struct {
		ProjectName   string `json:"projectName"`
		PlacementName string `json:"placementName"`
		Attributes    struct {
			Key string `json:"key"`
		} `json:"attributes"`
		Devices struct {
			SampleRequest string `json:"Sample-Request"`
		} `json:"devices"`
	} `json:"placementInfo"`
}