feat(events): add support for IntegrationXXX events (#1545)

---------

Co-authored-by: Fedor Lapshin <fe.lap.prog@gmail.com>

eventhandlers.go

@@ -39,6 +39,9 @@ const (
 	guildScheduledEventUserAddEventType          = "GUILD_SCHEDULED_EVENT_USER_ADD"
 	guildScheduledEventUserRemoveEventType       = "GUILD_SCHEDULED_EVENT_USER_REMOVE"
 	guildUpdateEventType                         = "GUILD_UPDATE"
+	integrationCreateEventType                   = "INTEGRATION_CREATE"
+	integrationDeleteEventType                   = "INTEGRATION_DELETE"
+	integrationUpdateEventType                   = "INTEGRATION_UPDATE"
 	interactionCreateEventType                   = "INTERACTION_CREATE"
 	inviteCreateEventType                        = "INVITE_CREATE"
 	inviteDeleteEventType                        = "INVITE_DELETE"
@@ -697,6 +700,66 @@ func (eh guildUpdateEventHandler) Handle(s *Session, i interface{}) {
 	}
 }
 
+// integrationCreateEventHandler is an event handler for IntegrationCreate events.
+type integrationCreateEventHandler func(*Session, *IntegrationCreate)
+
+// Type returns the event type for IntegrationCreate events.
+func (eh integrationCreateEventHandler) Type() string {
+	return integrationCreateEventType
+}
+
+// New returns a new instance of IntegrationCreate.
+func (eh integrationCreateEventHandler) New() interface{} {
+	return &IntegrationCreate{}
+}
+
+// Handle is the handler for IntegrationCreate events.
+func (eh integrationCreateEventHandler) Handle(s *Session, i interface{}) {
+	if t, ok := i.(*IntegrationCreate); ok {
+		eh(s, t)
+	}
+}
+
+// integrationDeleteEventHandler is an event handler for IntegrationDelete events.
+type integrationDeleteEventHandler func(*Session, *IntegrationDelete)
+
+// Type returns the event type for IntegrationDelete events.
+func (eh integrationDeleteEventHandler) Type() string {
+	return integrationDeleteEventType
+}
+
+// New returns a new instance of IntegrationDelete.
+func (eh integrationDeleteEventHandler) New() interface{} {
+	return &IntegrationDelete{}
+}
+
+// Handle is the handler for IntegrationDelete events.
+func (eh integrationDeleteEventHandler) Handle(s *Session, i interface{}) {
+	if t, ok := i.(*IntegrationDelete); ok {
+		eh(s, t)
+	}
+}
+
+// integrationUpdateEventHandler is an event handler for IntegrationUpdate events.
+type integrationUpdateEventHandler func(*Session, *IntegrationUpdate)
+
+// Type returns the event type for IntegrationUpdate events.
+func (eh integrationUpdateEventHandler) Type() string {
+	return integrationUpdateEventType
+}
+
+// New returns a new instance of IntegrationUpdate.
+func (eh integrationUpdateEventHandler) New() interface{} {
+	return &IntegrationUpdate{}
+}
+
+// Handle is the handler for IntegrationUpdate events.
+func (eh integrationUpdateEventHandler) Handle(s *Session, i interface{}) {
+	if t, ok := i.(*IntegrationUpdate); ok {
+		eh(s, t)
+	}
+}
+
 // interactionCreateEventHandler is an event handler for InteractionCreate events.
 type interactionCreateEventHandler func(*Session, *InteractionCreate)
 
@@ -1380,6 +1443,12 @@ func handlerForInterface(handler interface{}) EventHandler {
 		return guildScheduledEventUserRemoveEventHandler(v)
 	case func(*Session, *GuildUpdate):
 		return guildUpdateEventHandler(v)
+	case func(*Session, *IntegrationCreate):
+		return integrationCreateEventHandler(v)
+	case func(*Session, *IntegrationDelete):
+		return integrationDeleteEventHandler(v)
+	case func(*Session, *IntegrationUpdate):
+		return integrationUpdateEventHandler(v)
 	case func(*Session, *InteractionCreate):
 		return interactionCreateEventHandler(v)
 	case func(*Session, *InviteCreate):
@@ -1477,6 +1546,9 @@ func init() {
 	registerInterfaceProvider(guildScheduledEventUserAddEventHandler(nil))
 	registerInterfaceProvider(guildScheduledEventUserRemoveEventHandler(nil))
 	registerInterfaceProvider(guildUpdateEventHandler(nil))
+	registerInterfaceProvider(integrationCreateEventHandler(nil))
+	registerInterfaceProvider(integrationDeleteEventHandler(nil))
+	registerInterfaceProvider(integrationUpdateEventHandler(nil))
 	registerInterfaceProvider(interactionCreateEventHandler(nil))
 	registerInterfaceProvider(inviteCreateEventHandler(nil))
 	registerInterfaceProvider(inviteDeleteEventHandler(nil))

events.go

@@ -241,6 +241,25 @@ type GuildScheduledEventUserRemove struct {
 	GuildID               string `json:"guild_id"`
 }
 
+// IntegrationCreate is the data for a IntegrationCreate event.
+type IntegrationCreate struct {
+	*Integration
+	GuildID string `json:"guild_id"`
+}
+
+// IntegrationUpdate is the data for a IntegrationUpdate event.
+type IntegrationUpdate struct {
+	*Integration
+	GuildID string `json:"guild_id"`
+}
+
+// IntegrationDelete is the data for a IntegrationDelete event.
+type IntegrationDelete struct {
+	ID            string `json:"id"`
+	GuildID       string `json:"guild_id"`
+	ApplicationID string `json:"application_id,omitempty"`
+}
+
 // MessageCreate is the data for a MessageCreate event.
 type MessageCreate struct {
 	*Message