Restructured code, moved all modules into internal

For now all modules are considered internal. This might change later

internal/backends/process.go

@@ -0,0 +1,110 @@
+/*
+Copyright © 2023 Philipp Wolfer <phw@uploadedlobster.com>
+
+This file is part of Scotty.
+
+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 "go.uploadedlobster.com/scotty/internal/models"
+
+func ProcessListensImports(importer models.ListensImport, results chan models.ListensResult, out chan models.ImportResult, progress chan models.Progress) {
+	defer close(out)
+	defer close(progress)
+	result := models.ImportResult{}
+
+	err := importer.StartImport()
+	if err != nil {
+		handleError(result, err, out, progress)
+		return
+	}
+
+	for exportResult := range results {
+		if exportResult.Error != nil {
+			handleError(result, exportResult.Error, out, progress)
+			return
+		}
+
+		if exportResult.Total > 0 {
+			result.TotalCount = exportResult.Total
+		} else {
+			result.TotalCount += len(exportResult.Listens)
+		}
+		importResult, err := importer.ImportListens(exportResult, result, progress)
+		if err != nil {
+			handleError(importResult, err, out, progress)
+			return
+		}
+
+		result.Update(importResult)
+		progress <- models.Progress{}.FromImportResult(result)
+	}
+
+	err = importer.FinishImport()
+	if err != nil {
+		handleError(result, err, out, progress)
+		return
+	}
+
+	progress <- models.Progress{}.FromImportResult(result).Complete()
+	out <- result
+}
+
+func ProcessLovesImports(importer models.LovesImport, results chan models.LovesResult, out chan models.ImportResult, progress chan models.Progress) {
+	defer close(out)
+	defer close(progress)
+	result := models.ImportResult{}
+
+	err := importer.StartImport()
+	if err != nil {
+		handleError(result, err, out, progress)
+		return
+	}
+
+	for exportResult := range results {
+		if exportResult.Error != nil {
+			handleError(result, exportResult.Error, out, progress)
+			return
+		}
+
+		if exportResult.Total > 0 {
+			result.TotalCount = exportResult.Total
+		} else {
+			result.TotalCount += len(exportResult.Loves)
+		}
+		importResult, err := importer.ImportLoves(exportResult, result, progress)
+		if err != nil {
+			handleError(importResult, err, out, progress)
+			return
+		}
+
+		result.Update(importResult)
+		progress <- models.Progress{}.FromImportResult(result)
+	}
+
+	err = importer.FinishImport()
+	if err != nil {
+		handleError(result, err, out, progress)
+		return
+	}
+
+	progress <- models.Progress{}.FromImportResult(result).Complete()
+	out <- result
+}
+
+func handleError(result models.ImportResult, err error, out chan models.ImportResult, progress chan models.Progress) {
+	result.Error = err
+	progress <- models.Progress{}.FromImportResult(result).Complete()
+	out <- result
+}