1 files changed, 85 insertions, 0 deletions
diff --git a/internal/filter/mutes/account.go b/internal/filter/mutes/account.go
new file mode 100644
index 000000000..ecf4ffa4e
--- /dev/null
+++ b/internal/filter/mutes/account.go
@@ -0,0 +1,85 @@
+// 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 mutes
+
+import (
+	"context"
+	"errors"
+	"time"
+
+	"code.superseriousbusiness.org/gotosocial/internal/db"
+	"code.superseriousbusiness.org/gotosocial/internal/gtscontext"
+	"code.superseriousbusiness.org/gotosocial/internal/gtserror"
+	"code.superseriousbusiness.org/gotosocial/internal/gtsmodel"
+)
+
+// NOTE:
+// we don't bother using the Mutes cache for any
+// of the accounts functions below, as there's only
+// a single cache load required of any UserMute.
+
+// AccountMuted returns whether given target account is muted by requester.
+func (f *Filter) AccountMuted(ctx context.Context, requester *gtsmodel.Account, account *gtsmodel.Account) (bool, error) {
+	mute, expired, err := f.getUserMute(ctx, requester, account)
+	if err != nil {
+		return false, err
+	} else if mute == nil {
+		return false, nil
+	}
+	return !expired, nil
+}
+
+// AccountNotificationsMuted returns whether notifications are muted for requester when incoming from given target account.
+func (f *Filter) AccountNotificationsMuted(ctx context.Context, requester *gtsmodel.Account, account *gtsmodel.Account) (bool, error) {
+	mute, expired, err := f.getUserMute(ctx, requester, account)
+	if err != nil {
+		return false, err
+	} else if mute == nil {
+		return false, nil
+	}
+	return *mute.Notifications && !expired, nil
+}
+
+func (f *Filter) getUserMute(ctx context.Context, requester *gtsmodel.Account, account *gtsmodel.Account) (*gtsmodel.UserMute, bool, error) {
+	if requester == nil {
+		// Un-authed so no account
+		// is possible to be muted.
+		return nil, false, nil
+	}
+
+	// Look for mute against target.
+	mute, err := f.state.DB.GetMute(
+		gtscontext.SetBarebones(ctx),
+		requester.ID,
+		account.ID,
+	)
+	if err != nil && !errors.Is(err, db.ErrNoEntries) {
+		return nil, false, gtserror.Newf("db error getting user mute: %w", err)
+	}
+
+	if mute == nil {
+		// No user mute exists!
+		return nil, false, nil
+	}
+
+	// Get current time.
+	now := time.Now()
+
+	// Return whether mute is expired.
+	return mute, mute.Expired(now), nil
+}