Implement push subscription API

internal/processing/push/create.go

@@ -0,0 +1,78 @@
+// GoToSocial
+// Copyright (C) GoToSocial Authors admin@gotosocial.org
+// SPDX-License-Identifier: AGPL-3.0-or-later
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+package push
+
+import (
+	"context"
+
+	apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model"
+	"github.com/superseriousbusiness/gotosocial/internal/gtserror"
+	"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
+	"github.com/superseriousbusiness/gotosocial/internal/id"
+)
+
+// CreateOrReplace creates a Web Push subscription for the given access token,
+// or entirely replaces the previously existing subscription for that token.
+func (p *Processor) CreateOrReplace(
+	ctx context.Context,
+	accountID string,
+	accessToken string,
+	request *apimodel.WebPushSubscriptionCreateRequest,
+) (*apimodel.WebPushSubscription, gtserror.WithCode) {
+	tokenID, errWithCode := p.getTokenID(ctx, accessToken)
+	if errWithCode != nil {
+		return nil, errWithCode
+	}
+
+	// Clear any previous subscription.
+	if err := p.state.DB.DeleteWebPushSubscriptionByTokenID(ctx, tokenID); err != nil {
+		return nil, gtserror.NewErrorInternalError(
+			gtserror.Newf("couldn't delete Web Push subscription for token ID %s: %w", tokenID, err),
+		)
+	}
+
+	// Insert a new one.
+	subscription := &gtsmodel.WebPushSubscription{
+		ID:                     id.NewULID(),
+		AccountID:              accountID,
+		TokenID:                tokenID,
+		Endpoint:               request.Subscription.Endpoint,
+		Auth:                   request.Subscription.Keys.Auth,
+		P256dh:                 request.Subscription.Keys.P256dh,
+		NotifyFollow:           &request.Data.Alerts.Follow,
+		NotifyFollowRequest:    &request.Data.Alerts.FollowRequest,
+		NotifyFavourite:        &request.Data.Alerts.Favourite,
+		NotifyMention:          &request.Data.Alerts.Mention,
+		NotifyReblog:           &request.Data.Alerts.Reblog,
+		NotifyPoll:             &request.Data.Alerts.Poll,
+		NotifyStatus:           &request.Data.Alerts.Status,
+		NotifyUpdate:           &request.Data.Alerts.Update,
+		NotifyAdminSignup:      &request.Data.Alerts.AdminSignup,
+		NotifyAdminReport:      &request.Data.Alerts.AdminReport,
+		NotifyPendingFavourite: &request.Data.Alerts.PendingFavourite,
+		NotifyPendingReply:     &request.Data.Alerts.PendingReply,
+		NotifyPendingReblog:    &request.Data.Alerts.PendingReblog,
+	}
+	if err := p.state.DB.PutWebPushSubscription(ctx, subscription); err != nil {
+		return nil, gtserror.NewErrorInternalError(
+			gtserror.Newf("couldn't create Web Push subscription for token ID %s: %w", tokenID, err),
+		)
+	}
+
+	return p.apiSubscription(ctx, subscription)
+}