Lambda Function To Automate Birthday Greetings From CSV Written in Go

sendBirthdayGreeting.go

package main

import (
	"encoding/csv"
	"encoding/json"
	"fmt"
	"os"
	"time"

	"github.com/aws/aws-lambda-go/lambda"
	"github.com/twilio/twilio-go"
	openapi "github.com/twilio/twilio-go/rest/api/v2010"
)

type Birthdays struct {
	Date         string
	Name         string
	GreetingName string
	PhoneNumber  string
}

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

func sendBirthdayGreeting() {
	t := time.Now()
	date := fmt.Sprintf("%02d/%02d/%02d", int(t.Month()), t.Day(), t.Year())
	fmt.Println(date)
	// Loop through CSV and match todays date with date in CSV
	f, err := os.Open("Birthdays2021.csv") // For read access.
	if err != nil {
		fmt.Println(err)
	}
	defer f.Close()

	r := csv.NewReader(f)

	var bd Birthdays

	for {
		line, err := r.Read()
		if err != nil {
			fmt.Println(err)
		}
		if line[0] == date {
			bd = Birthdays{
				Date:         line[0],
				Name:         line[1],
				GreetingName: line[2],
				PhoneNumber:  line[3],
			}
			break
		}
	}
	text := "Happy Birthday " + bd.GreetingName

	// Send text message
	accountSid := os.Getenv("accountSid")
	authToken := os.Getenv("authToken")
	from := os.Getenv("from")
	to := "+1" + bd.PhoneNumber
	client := twilio.NewRestClientWithParams(accountSid, authToken, twilio.RestClientParams{})

	params := &openapi.CreateMessageParams{}
	params.SetTo(to)
	params.SetFrom(from)
	params.SetBody(text)

	resp, err := client.ApiV2010.CreateMessage(params)
	if err != nil {
		fmt.Println(err.Error())
		err = nil
	} else {
		response, _ := json.Marshal(*resp)
		fmt.Println("Response: " + string(response))
	}

	// Translate this all to the Lambda
}