fnext

type APIHandler interface {
	ServeHTTP(w http.ResponseWriter, r *http.Request)
}

type APIHandlerFunc func(w http.ResponseWriter, r *http.Request)

type AppListener interface {
	// BeforeAppCreate called right before creating App in the database
	BeforeAppCreate(ctx context.Context, app *models.App) error
	// AfterAppCreate called after creating App in the database
	AfterAppCreate(ctx context.Context, app *models.App) error
	// BeforeAppUpdate called right before updating App in the database
	BeforeAppUpdate(ctx context.Context, app *models.App) error
	// AfterAppUpdate called after updating App in the database
	AfterAppUpdate(ctx context.Context, app *models.App) error
	// BeforeAppDelete called right before deleting App in the database
	BeforeAppDelete(ctx context.Context, app *models.App) error
	// AfterAppDelete called after deleting App in the database
	AfterAppDelete(ctx context.Context, app *models.App) error
	// BeforeAppGet called right before getting an app
	BeforeAppGet(ctx context.Context, appID string) error
	// AfterAppGet called after getting app from database
	AfterAppGet(ctx context.Context, app *models.App) error
	// BeforeAppsList called right before getting a list of all user's apps. Modify the filter to adjust what gets returned.
	BeforeAppsList(ctx context.Context, filter *models.AppFilter) error
	// AfterAppsList called after deleting getting a list of user's apps. apps is the result after applying AppFilter.
	AfterAppsList(ctx context.Context, apps []*models.App) error
}

type CallListener interface {
	// BeforeCall called before a function is executed
	BeforeCall(ctx context.Context, call *models.Call) error
	// AfterCall called after a function completes
	AfterCall(ctx context.Context, call *models.Call) error
}

type ExtServer interface {
	// AddAppListener adds a listener that will be invoked around any relevant methods.
	AddAppListener(listener AppListener)
	// AddCallListener adds a listener that will be invoked around any call invocations.
	AddCallListener(listener CallListener)

	// AddAPIMiddleware add middleware
	AddAPIMiddleware(m Middleware)
	// AddAPIMiddlewareFunc add middlewarefunc
	AddAPIMiddlewareFunc(m MiddlewareFunc)
	// AddRootMiddleware add middleware add middleware for end user applications
	AddRootMiddleware(m Middleware)
	// AddRootMiddlewareFunc add middleware for end user applications
	AddRootMiddlewareFunc(m MiddlewareFunc)

	// AddEndpoint adds an endpoint to /v2/x
	AddEndpoint(method, path string, handler APIHandler)
	// AddEndpoint adds an endpoint to /v2/x
	AddEndpointFunc(method, path string, handler func(w http.ResponseWriter, r *http.Request))

	// Datastore returns the Datastore Fn is using
	Datastore() models.Datastore
}

type Extension interface {
	Name() string
	Setup(s ExtServer) error
}

type FnListener interface {
	// BeforeFnCreate called before fn created in the datastore
	BeforeFnCreate(ctx context.Context, fn *models.Fn) error
	// AfterFnCreate called after fn create in the datastore
	AfterFnCreate(ctx context.Context, fn *models.Fn) error
	// BeforeFnUpdate called before fn update in datastore
	BeforeFnUpdate(ctx context.Context, fn *models.Fn) error
	// AfterFnUpdate called after fn updated in datastore
	AfterFnUpdate(ctx context.Context, fn *models.Fn) error
	// BeforeFnDelete called before fn deleted from the datastore
	BeforeFnDelete(ctx context.Context, fnID string) error
	// AfterFnDelete called after fn deleted from the datastore
	AfterFnDelete(ctx context.Context, fnID string) error
}

type Middleware interface {
	Handle(next http.Handler) http.Handler
}

type MiddlewareFunc func(next http.Handler) http.Handler

type TriggerListener interface {
	// BeforeTriggerCreate called before trigger created in the datastore
	BeforeTriggerCreate(ctx context.Context, trigger *models.Trigger) error
	// AfterTriggerCreate called after trigger create in the datastore
	AfterTriggerCreate(ctx context.Context, trigger *models.Trigger) error
	// BeforeTriggerUpdate called before trigger update in datastore
	BeforeTriggerUpdate(ctx context.Context, trigger *models.Trigger) error
	// AfterTriggerUpdate called after trigger updated in datastore
	AfterTriggerUpdate(ctx context.Context, trigger *models.Trigger) error
	// BeforeTriggerDelete called before trigger deleted from the datastore
	BeforeTriggerDelete(ctx context.Context, triggerId string) error
	// AfterTriggerDelete called after trigger deleted from the datastore
	AfterTriggerDelete(ctx context.Context, triggerId string) error
}