refactor: generic common cmd processing

internal/backends/export.go

@@ -0,0 +1,51 @@
+/*
+Copyright © 2023 Philipp Wolfer <phw@uploadedlobster.com>
+
+Scotty is free software: you can redistribute it and/or modify it under the
+terms of the GNU General Public License as published by the Free Software
+Foundation, either version 3 of the License, or (at your option) any later version.
+
+Scotty 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 General Public License for more details.
+
+You should have received a copy of the GNU General Public License along with
+Scotty. If not, see <https://www.gnu.org/licenses/>.
+*/
+
+package backends
+
+import (
+	"time"
+
+	"go.uploadedlobster.com/scotty/internal/models"
+)
+
+type ExportProcessor[T models.ListensResult | models.LovesResult] interface {
+	ExportBackend() models.Backend
+	Process(oldestTimestamp time.Time, results chan T, progress chan models.Progress)
+}
+
+type ListensExportProcessor struct {
+	Backend models.ListensExport
+}
+
+func (p ListensExportProcessor) ExportBackend() models.Backend {
+	return p.Backend
+}
+
+func (p ListensExportProcessor) Process(oldestTimestamp time.Time, results chan models.ListensResult, progress chan models.Progress) {
+	p.Backend.ExportListens(oldestTimestamp, results, progress)
+}
+
+type LovesExportProcessor struct {
+	Backend models.LovesExport
+}
+
+func (p LovesExportProcessor) ExportBackend() models.Backend {
+	return p.Backend
+}
+
+func (p LovesExportProcessor) Process(oldestTimestamp time.Time, results chan models.LovesResult, progress chan models.Progress) {
+	p.Backend.ExportLoves(oldestTimestamp, results, progress)
+}