Add notifications implementation

wasm/notifications.go

+////////////////////////////////////////////////////////////////////////////////
+// Copyright © 2022 xx foundation                                             //
+//                                                                            //
+// Use of this source code is governed by a license that can be found in the  //
+// LICENSE file.                                                              //
+////////////////////////////////////////////////////////////////////////////////
+
+//go:build js && wasm
+
+package wasm
+
+import (
+	"syscall/js"
+
+	"gitlab.com/elixxir/client/v4/bindings"
+	"gitlab.com/elixxir/client/v4/notifications"
+	"gitlab.com/elixxir/xxdk-wasm/utils"
+)
+
+type Notifications struct {
+	api bindings.Notifications
+}
+
+// newNotificationsJS wrapts the bindings Noticiation object and implements
+// wrappers in JS for all it's functionality.
+func newNotificationsJS(api bindings.Notifications) map[string]any {
+	n := Notifications{api}
+	notificationsImplJS := map[string]any{
+		"AddToken":    js.FuncOf(n.AddToken),
+		"RemoveToken": js.FuncOf(n.RemoveToken),
+		"SetMaxState": js.FuncOf(n.SetMaxState),
+		"GetMaxState": js.FuncOf(n.GetMaxState),
+		"GetID":       js.FuncOf(n.GetID),
+	}
+	return notificationsImplJS
+}
+
+// LoadNotifications returns a JS wrapped implementation of
+// [bindings.Notifications].
+//
+// Parameters:
+//   - args[0] - the cMixID integer
+//
+// Returns a notifications object or throws an error
+func LoadNotifications(_ js.Value, args []js.Value) any {
+	cMixID := args[0].Int()
+	api, err := bindings.LoadNotifications(cMixID)
+	if err != nil {
+		utils.Throw(utils.TypeError, err)
+		return nil
+	}
+
+	return newNotificationsJS(api)
+}
+
+// LoadNotificationsDummy returns a JS wrapped implementation of
+// [bindings.Notifications] with a dummy notifications implementation.
+//
+// Parameters:
+//   - args[0] - the cMixID integer
+//
+// Returns a notifications object or throws an error
+func LoadNotificationsDummy(_ js.Value, args []js.Value) any {
+	cMixID := args[0].Int()
+	api, err := bindings.LoadNotificationsDummy(cMixID)
+	if err != nil {
+		utils.Throw(utils.TypeError, err)
+		return nil
+	}
+
+	return newNotificationsJS(api)
+}
+
+// GetID returns the bindings ID for the [bindings.Notifications] object
+func (n *Notifications) GetID(js.Value, []js.Value) any {
+	return n.api.GetID()
+}
+
+// AddToken implements [bindings.Notifications.AddToken].
+//
+// Parameters:
+//   - args[0] - newToken string
+//   - args[1] - app string
+//
+// Returns nothing or an error (throwable)
+func (n *Notifications) AddToken(_ js.Value, args []js.Value) any {
+	newToken := args[0].String()
+	app := args[1].String()
+
+	err := n.api.AddToken(newToken, app)
+	if err != nil {
+		utils.Throw(utils.TypeError, err)
+	}
+
+	return nil
+}
+
+// RemoveToken implements [bindings.Notifications.RemoveToken].
+//
+// Returns nothing or throws an error.
+func (n *Notifications) RemoveToken(_ js.Value, args []js.Value) any {
+	err := n.api.RemoveToken()
+	if err != nil {
+		utils.Throw(utils.TypeError, err)
+	}
+	return nil
+}
+
+// SetMaxState implements [bindings.Notifications.SetMaxState]
+//
+// Parameters:
+//   - args[0] - maxState integer
+//
+// Returns nothing or throws an error
+func (n *Notifications) SetMaxState(_ js.Value, args []js.Value) any {
+	maxState := int64(args[0].Int())
+
+	err := n.api.SetMaxState(notifications.NotificationState(maxState))
+	if err != nil {
+		utils.Throw(utils.TypeError, err)
+	}
+
+	return nil
+}
+
+// GetMaxState implements [bindings.Notifications.GetMaxState]
+//
+// Returns the current maxState integer
+func (n *Notifications) GetMaxState(_ js.Value, args []js.Value) any {
+	return int64(n.api.GetMaxState())
+}