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initial wrappers to email and sms notifications via sendgrid and twilio
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,14 @@ | ||
| package notifications | ||
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| import "context" | ||
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| type Notification struct { | ||
| To string | ||
| Subject string | ||
| Body string | ||
| } | ||
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| type NotificationService interface { | ||
| Init(conf any) error | ||
| SendNotification(context.Context, *Notification) error | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,44 @@ | ||
| package sendgrid | ||
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| import ( | ||
| "context" | ||
| "fmt" | ||
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| "github.com/sendgrid/sendgrid-go" | ||
| "github.com/sendgrid/sendgrid-go/helpers/mail" | ||
| "github.com/vocdoni/saas-backend/notifications" | ||
| ) | ||
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| type SendGridConfig struct { | ||
| FromName string | ||
| FromAddress string | ||
| APIKey string | ||
| } | ||
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| type SendGridEmail struct { | ||
| config *SendGridConfig | ||
| client *sendgrid.Client | ||
| } | ||
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| func (sg *SendGridEmail) Init(rawConfig any) error { | ||
| // parse configuration | ||
| config, ok := rawConfig.(*SendGridConfig) | ||
| if !ok { | ||
| return fmt.Errorf("invalid SendGrid configuration") | ||
| } | ||
| // set configuration in struct | ||
| sg.config = config | ||
| // init SendGrid client | ||
| sg.client = sendgrid.NewSendClient(sg.config.APIKey) | ||
| return nil | ||
| } | ||
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| func (sg *SendGridEmail) SendNotification(ctx context.Context, notification *notifications.Notification) error { | ||
| // create from email | ||
| from := mail.NewEmail(sg.config.FromName, sg.config.FromAddress) | ||
| // create email with notification data | ||
| message := mail.NewSingleEmail(from, notification.Subject, mail.NewEmail("", notification.To), notification.Body, notification.Body) | ||
|
Check failure on line 40 in notifications/sendgrid/email.go
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| // send the email | ||
| _, err := sg.client.SendWithContext(ctx, message) | ||
| return err | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,58 @@ | ||
| package twilio | ||
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| import ( | ||
| "context" | ||
| "fmt" | ||
| "os" | ||
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| t "github.com/twilio/twilio-go" | ||
| api "github.com/twilio/twilio-go/rest/api/v2010" | ||
| "github.com/vocdoni/saas-backend/notifications" | ||
| ) | ||
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| const ( | ||
| AccountSidEnv = "TWILIO_ACCOUNT_SID" | ||
| AuthTokenEnv = "TWILIO_AUTH_TOKEN" | ||
| ) | ||
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| type TwilioConfig struct { | ||
| AccountSid string | ||
| AuthToken string | ||
| FromNumber string | ||
| } | ||
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| type TwilioSMS struct { | ||
| config *TwilioConfig | ||
| client *t.RestClient | ||
| } | ||
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| func (tsms *TwilioSMS) Init(rawConfig any) error { | ||
| // parse configuration | ||
| config, ok := rawConfig.(*TwilioConfig) | ||
| if !ok { | ||
| return fmt.Errorf("invalid Twilio configuration") | ||
| } | ||
| // set configuration in struct | ||
| tsms.config = config | ||
| // set account SID and auth token as environment variables | ||
| if err := os.Setenv(AccountSidEnv, tsms.config.AccountSid); err != nil { | ||
| return err | ||
| } | ||
| if err := os.Setenv(AuthTokenEnv, tsms.config.AuthToken); err != nil { | ||
| return err | ||
| } | ||
| // init Twilio REST client | ||
| tsms.client = t.NewRestClient() | ||
| return nil | ||
| } | ||
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| func (tsms *TwilioSMS) SendNotification(_ context.Context, notification *notifications.Notification) error { | ||
| // create message with configured sender number and notification data | ||
| params := &api.CreateMessageParams{} | ||
| params.SetTo(notification.To) | ||
| params.SetFrom(tsms.config.FromNumber) | ||
| params.SetBody(notification.Body) | ||
| // send the message | ||
| _, err := tsms.client.Api.CreateMessage(params) | ||
| return err | ||
| } |