55 lines
1.4 KiB
Go
55 lines
1.4 KiB
Go
package emailer
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import (
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"encoding/base64"
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"github.com/sendgrid/sendgrid-go"
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"github.com/sendgrid/sendgrid-go/helpers/mail"
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)
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type SendgridApiMail struct {
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apiKey string
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fromName string
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from string
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}
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func NewSendgridApiMail(apiKey, fromName, from string) *SendgridApiMail {
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ans := SendgridApiMail{apiKey: apiKey, fromName: fromName, from: from}
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return &ans
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}
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func (o *SendgridApiMail) Send(toName string, to string, subject string, content string, attachments []Attachment) error {
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m := mail.NewV3Mail()
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mailFrom := mail.NewEmail(o.fromName, o.from)
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mailContent := mail.NewContent("text/html", content)
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mailTo := mail.NewEmail(toName, to)
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m.SetFrom(mailFrom)
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m.AddContent(mailContent)
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personalization := mail.NewPersonalization()
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personalization.AddTos(mailTo)
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personalization.Subject = subject
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m.AddPersonalizations(personalization)
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toAdd := make([]*mail.Attachment, 0, len(attachments))
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for i := range attachments {
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var att mail.Attachment
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encoded := base64.StdEncoding.EncodeToString(attachments[i].Data)
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att.SetContent(encoded)
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att.SetType("text/plain")
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att.SetFilename(attachments[i].Name)
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att.SetDisposition("attachment")
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toAdd = append(toAdd, &att)
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}
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m.AddAttachment(toAdd...)
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request := sendgrid.GetRequest(o.apiKey, "/v3/mail/send", "https://api.sendgrid.com")
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request.Method = "POST"
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request.Body = mail.GetRequestBody(m)
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_, err := sendgrid.API(request)
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return err
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}
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