49 lines
1.4 KiB
Go
49 lines
1.4 KiB
Go
package system
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import (
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"context"
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"errors"
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"strings"
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)
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type EmailRepo interface {
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Send(context.Context, []string, string, string) error
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DefaultRecipients() []string
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Enabled() bool
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}
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type EmailUsecase struct{ repo EmailRepo }
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func NewEmailUsecase(repo EmailRepo) *EmailUsecase { return &EmailUsecase{repo: repo} }
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func (uc *EmailUsecase) Send(ctx context.Context, to, subject, body string) error {
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return uc.repo.Send(ctx, strings.Split(to, ","), subject, body)
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}
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func (uc *EmailUsecase) Test(ctx context.Context) error {
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recipients := uc.repo.DefaultRecipients()
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if len(recipients) == 0 {
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return errors.New("未配置测试邮件收件人")
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}
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return uc.repo.Send(ctx, recipients, "test", "test")
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}
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func (uc *EmailUsecase) Alert(ctx context.Context, subject, body string) error {
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if !uc.repo.Enabled() {
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return nil
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}
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// ErrorToEmail splits the configured comma-separated recipient
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// string, while its explicit test endpoint deliberately sends the whole
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// value as one recipient. Keep those two contracts separate.
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configured := uc.repo.DefaultRecipients()
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recipients := make([]string, 0, len(configured))
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for _, value := range configured {
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parts := strings.Split(value, ",")
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if len(parts) > 1 && parts[len(parts)-1] == "" {
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parts = parts[:len(parts)-1]
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}
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recipients = append(recipients, parts...)
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}
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return uc.repo.Send(ctx, recipients, subject, body)
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}
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