Mail API - SendGrid

    npm i sendgrid/mail
    npm i anchan828/nest-sendgrid

• `MailConstant.ts'

   export class MailConstant {
       public static FROM_EMAIL = "coach@learn2build.in";
       public static REGISTRATION_TEMPLATE_ID = "d-123";
   }

    import { MailConstant } from './../mail-constant';
    import { SendGridService } from '@anchan828/nest-sendgrid';
    import { Injectable } from '@nestjs/common';

    import * as sgMail from '@sendgrid/mail';

    @Injectable()
    export class MailService {

        constructor(private readonly sendGrid: SendGridService ){
            console.log("API Key:", process.env.SENDGRID_API_KEY);
            //sgMail.setApiKey(process.env.SENDGRID_API_KEY);
        }

        async sendMail(data:any){
            try {
                console.log(data);
                data["from"] = MailConstant.FROM_EMAIL;
                return await this.sendGrid.send(data);
                console.log("Mail sent");
            } catch (error) {
                console.error(error);
            
                if (error.response) {
                console.error(error.response.body)
                throw new Error(error.response.body);
                }
            }
        }
    }