Add new PartyConfigure helper

core/router/api_builder.go

@@ -852,6 +852,28 @@ func (api *APIBuilder) PartyFunc(relativePath string, partyBuilderFunc func(p Pa
 	return p
 }
 
+// PartyConfigurator is an interface which all child parties that are registered
+// through `PartyConfigure` should implement.
+type PartyConfigurator interface {
+	Configure(parent Party)
+}
+
+// PartyConfigure like `Party` and `PartyFunc` registers a new children Party but instead it accepts a struct value.
+// It initializes a new children Party and executes the PartyConfigurator's Configure.
+// Useful when the api's dependencies amount are too much to pass on a function.
+//
+// Usage:
+//  app.PartyConfigure("/users", &api.UsersAPI{UserRepository: ..., ...})
+// Where UsersAPI looks like:
+//  type UsersAPI struct { [...] }
+//  func(api *UsersAPI) Configure(router iris.Party) {
+//   router.Get("/{id:uuid}", api.getUser)
+//   [...]
+//  }
+func (api *APIBuilder) PartyConfigure(relativePath string, partyReg PartyConfigurator) Party {
+	return api.PartyFunc(relativePath, partyReg.Configure)
+}
+
 // Subdomain returns a new party which is responsible to register routes to
 // this specific "subdomain".
 //