Published an OpportunityMarksUpdated event when an opportunity's marks change over the API

internal/api/api.go

@@ -3,6 +3,7 @@ package api
 import (
 	"github.com/go-chi/chi/v5"
 
+	"git.avsdev.uk/Go/job-search/internal/events"
 	"git.avsdev.uk/Go/job-search/internal/store"
 )
 
@@ -11,7 +12,8 @@ import (
 // server applies the API's middleware (CSRF, NoStore, RequireJSON, rate
 // limits); the API only registers handlers.
 type API struct {
-	store *store.Store // nil: no opportunity routes
+	store  *store.Store // nil: no opportunity routes
+	events *events.Bus  // nil: nothing is published
 }
 
 // Option configures the API.
@@ -25,6 +27,14 @@ func WithStore(opportunityStore *store.Store) Option {
 	}
 }
 
+// WithEvents makes the API publish its changes to bus, such as an
+// events.OpportunityMarksUpdated event when an opportunity's marks change.
+func WithEvents(bus *events.Bus) Option {
+	return func(a *API) {
+		a.events = bus
+	}
+}
+
 // New returns the API.
 func New(opts ...Option) *API {
 	api := &API{}
@@ -40,6 +50,6 @@ func New(opts ...Option) *API {
 func (a *API) Routes(router chi.Router) {
 	docsRoutes(router)
 	if a.store != nil {
-		newOpportunityRoutes(a.store).Routes(router)
+		newOpportunityRoutes(a.store, a.events).Routes(router)
 	}
 }