Implemented progressbar for export/import

backends/process.go

@@ -0,0 +1,107 @@
+/*
+Copyright © 2023 Philipp Wolfer <phw@uploadedlobster.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+package backends
+
+import "go.uploadedlobster.com/scotty/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.Init()
+	if err != nil {
+		handleError(result, err, out, progress)
+		return
+	}
+
+	for exportResult := range results {
+		if exportResult.Error != nil {
+			handleError(result, exportResult.Error, out, progress)
+			return
+		}
+
+		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.Finish()
+	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.Init()
+	if err != nil {
+		handleError(result, err, out, progress)
+		return
+	}
+
+	for exportResult := range results {
+		if exportResult.Error != nil {
+			handleError(result, exportResult.Error, out, progress)
+			return
+		}
+
+		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.Finish()
+	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
+}