167be9b0b3
- Add avatar upload functionality with public URL access. - Implement user login with email and password authentication. - Create endpoints for fetching and updating the authenticated user's profile. - Set up database migrations for user profiles, including email and role management. - Introduce personal data management linked to user profiles. - Add email verification process with welcome email templates.
99 lines
2.8 KiB
Go
99 lines
2.8 KiB
Go
// Service mails handles transactional email delivery.
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package mails
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import (
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"context"
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"encoding/json"
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"os"
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"path/filepath"
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"strings"
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"time"
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"encore.dev/beta/errs"
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"encore.dev/types/uuid"
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)
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const outboxDir = "mails/outbox"
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type TransactionalMailParams struct {
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To string `json:"to"`
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Subject string `json:"subject"`
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TextBody string `json:"text_body"`
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HTMLBody string `json:"html_body"`
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Metadata map[string]string `json:"metadata"`
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}
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type TransactionalMail struct {
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ID uuid.UUID `json:"id"`
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To string `json:"to"`
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Subject string `json:"subject"`
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TextBody string `json:"text_body"`
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HTMLBody string `json:"html_body"`
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Metadata map[string]string `json:"metadata"`
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CreatedAt time.Time `json:"created_at"`
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}
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// SendTransactional records a transactional email in the local outbox.
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// TODO: replace the file-backed outbox with an SMTP sender.
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//
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//encore:api private method=POST path=/mails/transactional
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func SendTransactional(ctx context.Context, p *TransactionalMailParams) (*TransactionalMail, error) {
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if strings.TrimSpace(p.To) == "" {
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return nil, &errs.Error{Code: errs.InvalidArgument, Message: "recipient email is required"}
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}
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if strings.TrimSpace(p.Subject) == "" {
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return nil, &errs.Error{Code: errs.InvalidArgument, Message: "email subject is required"}
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}
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id, err := uuid.NewV4()
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if err != nil {
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return nil, errs.WrapCode(err, errs.Internal, "failed to generate mail id")
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}
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mail := TransactionalMail{
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ID: id,
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To: p.To,
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Subject: p.Subject,
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TextBody: p.TextBody,
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HTMLBody: p.HTMLBody,
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Metadata: p.Metadata,
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CreatedAt: time.Now().UTC(),
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}
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if mail.Metadata == nil {
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mail.Metadata = map[string]string{}
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}
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if err := saveToOutbox(ctx, &mail); err != nil {
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return nil, err
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}
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return &mail, nil
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}
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func saveToOutbox(ctx context.Context, mail *TransactionalMail) error {
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if err := ctx.Err(); err != nil {
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return err
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}
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if err := os.MkdirAll(outboxDir, 0o755); err != nil {
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return errs.WrapCode(err, errs.Internal, "failed to create mail outbox")
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}
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payload, err := json.MarshalIndent(mail, "", " ")
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if err != nil {
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return errs.WrapCode(err, errs.Internal, "failed to encode mail")
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}
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baseFilename := mail.CreatedAt.Format("20060102T150405Z") + "_" + mail.ID.String()
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jsonPath := filepath.Join(outboxDir, baseFilename+".json")
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if err := os.WriteFile(jsonPath, payload, 0o644); err != nil {
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return errs.WrapCode(err, errs.Internal, "failed to write mail to outbox")
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}
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if strings.TrimSpace(mail.HTMLBody) != "" {
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htmlPath := filepath.Join(outboxDir, baseFilename+".html")
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if err := os.WriteFile(htmlPath, []byte(mail.HTMLBody), 0o644); err != nil {
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return errs.WrapCode(err, errs.Internal, "failed to write mail html to outbox")
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}
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}
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return nil
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}
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