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Merge pull request #56 from ponthief/main

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support for SendGrid payments/balance emails
This commit is contained in:
Peter Rounce 2023-05-01 12:53:19 +01:00 • committed by GitHub
commit 3b9db705f5
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GPG key ID: 4AEE18F83AFDEB23
5 changed files with 95 additions and 61 deletions
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2
docs/SETTINGS.md
View file

@ -32,3 +32,5 @@ Here are the descriptions of values available to use in the `settings` table:
| FUNCTION_LNDHUB | DISABLE | system level switch for using LNDHUB in place of LND |
| LNDHUB_URL | | URL for the LNDHUB service |
| FUNCTION_INTERNAL_API | DISABLE | system level switch for activating the internal API |
| SENDGRID_API_KEY | | User API Key from SendGrid.com |
| SENDGRID_EMAIL_SENDER | | Single Sender email address verified by SendGrid |

28
email/email.go
View file

@ -1,15 +1,18 @@
package email
import (
"strconv"
"strings"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/awserr"
"github.com/aws/aws-sdk-go/aws/credentials"
"github.com/aws/aws-sdk-go/aws/session"
"github.com/aws/aws-sdk-go/service/ses"
"github.com/boltcard/boltcard/db"
"github.com/sendgrid/sendgrid-go"
"github.com/sendgrid/sendgrid-go/helpers/mail"
log "github.com/sirupsen/logrus"
"strconv"
"strings"
)
func Send_balance_email(recipient_email string, card_id int) {
@ -86,9 +89,29 @@ func Send_balance_email(recipient_email string, card_id int) {
}
// https://docs.aws.amazon.com/sdk-for-go/v1/developer-guide/ses-example-send-email.html
// https://github.com/sendgrid/sendgrid-go
func Send_email(recipient string, subject string, htmlBody string, textBody string) {
send_grid_api_key := db.Get_setting("SENDGRID_API_KEY")
send_grid_email_sender := db.Get_setting("SENDGRID_EMAIL_SENDER")
if send_grid_api_key != "" && send_grid_email_sender != "" {
from := mail.NewEmail("", send_grid_email_sender)
subject := subject
to := mail.NewEmail("", recipient)
plainTextContent := textBody
htmlContent := htmlBody
message := mail.NewSingleEmail(from, subject, to, plainTextContent, htmlContent)
client := sendgrid.NewSendClient(send_grid_api_key)
response, err := client.Send(message)
if err != nil {
log.Warn(err.Error())
} else {
log.WithFields(log.Fields{"result": response}).Info("email sent")
}
} else {
aws_ses_id := db.Get_setting("AWS_SES_ID")
aws_ses_secret := db.Get_setting("AWS_SES_SECRET")
sender := db.Get_setting("AWS_SES_EMAIL_FROM")
@ -152,4 +175,5 @@ func Send_email(recipient string, subject string, htmlBody string, textBody stri
}
log.WithFields(log.Fields{"result": result}).Info("email sent")
}
}

2
go.mod
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@ -97,6 +97,8 @@ require (
github.com/prometheus/common v0.37.0 // indirect
github.com/prometheus/procfs v0.8.0 // indirect
github.com/rogpeppe/fastuuid v1.2.0 // indirect
github.com/sendgrid/rest v2.6.9+incompatible // indirect
github.com/sendgrid/sendgrid-go v3.12.0+incompatible // indirect
github.com/soheilhy/cmux v0.1.5 // indirect
github.com/spf13/pflag v1.0.5 // indirect
github.com/stretchr/objx v0.5.0 // indirect

4
go.sum
View file

@ -607,6 +607,10 @@ github.com/russross/blackfriday/v2 v2.0.1/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQD
github.com/ryanuber/columnize v0.0.0-20160712163229-9b3edd62028f/go.mod h1:sm1tb6uqfes/u+d4ooFouqFdy9/2g9QGwK3SQygK0Ts=
github.com/satori/go.uuid v1.2.0/go.mod h1:dA0hQrYB0VpLJoorglMZABFdXlWrHn1NEOzdhQKdks0=
github.com/sean-/seed v0.0.0-20170313163322-e2103e2c3529/go.mod h1:DxrIzT+xaE7yg65j358z/aeFdxmN0P9QXhEzd20vsDc=
github.com/sendgrid/rest v2.6.9+incompatible h1:1EyIcsNdn9KIisLW50MKwmSRSK+ekueiEMJ7NEoxJo0=
github.com/sendgrid/rest v2.6.9+incompatible/go.mod h1:kXX7q3jZtJXK5c5qK83bSGMdV6tsOE70KbHoqJls4lE=
github.com/sendgrid/sendgrid-go v3.12.0+incompatible h1:/N2vx18Fg1KmQOh6zESc5FJB8pYwt5QFBDflYPh1KVg=
github.com/sendgrid/sendgrid-go v3.12.0+incompatible/go.mod h1:QRQt+LX/NmgVEvmdRw0VT/QgUn499+iza2FnDca9fg8=
github.com/shopspring/decimal v0.0.0-20180709203117-cd690d0c9e24/go.mod h1:M+9NzErvs504Cn4c5DxATwIqPbtswREoFCre64PpcG4=
github.com/shopspring/decimal v1.2.0 h1:abSATXmQEYyShuxI4/vyW3tV1MrKAJzCZ/0zLUXYbsQ=
github.com/shopspring/decimal v1.2.0/go.mod h1:DKyhrW/HYNuLGql+MJL6WCR6knT2jwCFRcu2hWCYk4o=

2
sql/settings.sql
View file

@ -29,3 +29,5 @@ INSERT INTO settings (name, value) VALUES ('EMAIL_MAX_TXS', '');
INSERT INTO settings (name, value) VALUES ('FUNCTION_LNDHUB', '');
INSERT INTO settings (name, value) VALUES ('LNDHUB_URL', '');
INSERT INTO settings (name, value) VALUES ('FUNCTION_INTERNAL_API', '');
INSERT INTO settings (name, value) VALUES ('SENDGRID_API_KEY', '');
INSERT INTO settings (name, value) VALUES ('SENDGRID_EMAIL_SENDER', '');