Blocklist import (#77)

* first steps on importing blocklists

* unblock domains properly

internal/db/pg/put.go

@@ -0,0 +1,33 @@
+/*
+   GoToSocial
+   Copyright (C) 2021 GoToSocial Authors admin@gotosocial.org
+
+   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 pg
+
+import (
+	"strings"
+
+	"github.com/superseriousbusiness/gotosocial/internal/db"
+)
+
+func (ps *postgresService) Put(i interface{}) error {
+	_, err := ps.conn.Model(i).Insert(i)
+	if err != nil && strings.Contains(err.Error(), "duplicate key value violates unique constraint") {
+		return db.ErrAlreadyExists{}
+	}
+	return err
+}