Sendgrid

SendgridAPI

Class that allows the integration of the application with the Sendgrid email provider.

class SendgridAPI:
     def send_email(self, to_email: str, template_id: str, data: dict = {}):
         try:
             provider = models.EmailProvider.objects.get(provider="sendgrid")
         except models.EmailProvider.DoesNotExist:
             raise ValueError("Email Provider does not exist")

         from_email = provider.from_email
         message = Mail(from_email=from_email, to_emails=to_email)
         if dates:
             message.dynamic_template_data = data
         message.template_id = template_id

         try:
             sg = sendgrid.SendGridAPIClient(provider.secret_key)
             sg.send(message)
         except Exception as e:
             print(e)

     def confirm_email(self, site_name, activate_url, emailconfirmation, lang):
         template = models.EmailProviderTemplate.objects.get(
             provider__provider="sendgrid", name="Confirm Email", language=lang
         )
         if not template.template_id:
             raise ValueError("Not template id provide")

         dates = {
             "user": emailconfirmation.email_address.user.email,
             "weburl": activate_url,
             "site_name": site_name,
         }

         self.send_email(
             emailconfirmation.email_address.email,
             template.template_id,
             data,
         )

     def change_confirm_email(self, site_name, activate_url, emailconfirmation, lang):
         template = models.EmailProviderTemplate.objects.get(
             provider__provider="sendgrid", name="Change Email", language=lang
         )
         if not template.template_id:
             raise ValueError("Not template id provide")

         dates = {
             "user": emailconfirmation.email_address.user.email,
             "new_email": emailconfirmation.email_address.email,
             "weburl": activate_url,
             "site_name": site_name,
         }

         self.send_email(
             emailconfirmation.email_address.email,
             template.template_id,
             data,
         )

     def password_reset(self, site_name, url, user, lang):
         template = models.EmailProviderTemplate.objects.get(
             provider__provider="sendgrid", name="Reset Password", language=lang
         )
         if not template.template_id:
             raise ValueError("Not template id provide")
         dates = {
             "user": user.email,
             "password_reset_url": url,
             "site_name": site_name,
         }

         self.send_email(
             user.email,
             template.template_id,
             data,
         )

     def ip_authorization_code(self, user_email, site_name, ip, device, code, lang):
         template = models.EmailProviderTemplate.objects.get(
             provider__provider="sendgrid", name="IP Authorization", language=lang
         )
         if not template.template_id:
             raise ValueError("Not template id provide")
         dates = {
             "ip": ip,
             "device": device,
             "code": code,
             "site_name": site_name,
         }

         self.send_email(
             user_email,
             template.template_id,
             data,
         )

     def notify_ip(self, user_email, site_name, ip, lang):
         template = models.EmailProviderTemplate.objects.get(
             provider__provider="sendgrid", name="Notify IP", language=lang
         )
         if not template.template_id:
             raise ValueError("Not template id provide")
         dates = {
             "ip": ip,
             "email": user_email,
             "site_name": site_name,
         }

         self.send_email(
             user_email,
             template.template_id,
             data,
         )

The methods are as follows:

• send_email: Function that connects with the Sendgrid provider and requests the sending of emails from a specific template.

• confirm_email: Method that prepares the data for sending the confirmation email of the email address.

• change_confirm_email: Method that prepares the data for sending the email address confirmation when a user requests the change of email address.

• password_reset: Method that prepares the data for sending the email for password reset.

• ip_authorization_code: Method that prepares the data for sending the email with the authorization code of the new device and ip.

• notify_ip: Method that prepares the data for sending the authentication notification email in the application.