onasty/mailer/handlers.go (view raw)
| 1 | package main |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "encoding/json" |
| 6 | "log/slog" |
| 7 | "time" |
| 8 | |
| 9 | "github.com/nats-io/nats.go/micro" |
| 10 | "github.com/olexsmir/onasty/internal/transport/http/reqid" |
| 11 | ) |
| 12 | |
| 13 | type Handlers struct { |
| 14 | service *Service |
| 15 | } |
| 16 | |
| 17 | func NewHandlers(service *Service) *Handlers { |
| 18 | return &Handlers{ |
| 19 | service: service, |
| 20 | } |
| 21 | } |
| 22 | |
| 23 | func (h Handlers) RegisterAll(svc micro.Service) error { |
| 24 | m := svc.AddGroup("mailer") |
| 25 | if err := m.AddEndpoint("ping", micro.HandlerFunc(h.pingHandler)); err != nil { |
| 26 | return err |
| 27 | } |
| 28 | |
| 29 | if err := m.AddEndpoint("send", micro.HandlerFunc(h.sendHandler)); err != nil { |
| 30 | return err |
| 31 | } |
| 32 | |
| 33 | return nil |
| 34 | } |
| 35 | |
| 36 | type pingResponse struct { |
| 37 | Message string `json:"message"` |
| 38 | } |
| 39 | |
| 40 | func (h Handlers) pingHandler(req micro.Request) { |
| 41 | _ = req.RespondJSON(pingResponse{ |
| 42 | Message: "pong", |
| 43 | }) |
| 44 | } |
| 45 | |
| 46 | type sendRequest struct { |
| 47 | RequestID string `json:"request_id"` |
| 48 | |
| 49 | Receiver string `json:"receiver"` |
| 50 | TemplateName string `json:"template_name"` |
| 51 | Options map[string]string `json:"options"` |
| 52 | } |
| 53 | |
| 54 | func (h Handlers) sendHandler(req micro.Request) { |
| 55 | var inp sendRequest |
| 56 | if err := json.Unmarshal(req.Data(), &inp); err != nil { |
| 57 | slog.Error("failed to unmarshal input data", "err", err) |
| 58 | return |
| 59 | } |
| 60 | |
| 61 | ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second) |
| 62 | ctx = reqid.SetContext(ctx, inp.RequestID) |
| 63 | |
| 64 | if err := h.service.Send(ctx, cancel, inp.Receiver, inp.TemplateName, inp.Options); err != nil { |
| 65 | _ = req.Error("500", err.Error(), nil) |
| 66 | } |
| 67 | |
| 68 | _ = req.Respond(nil) |
| 69 | } |