复制项目

tools/url2im/pkg/progress.go

@@ -0,0 +1,55 @@
+// Copyright © 2023 OpenIM. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package pkg
+
+import (
+	"bufio"
+	"os"
+	"strconv"
+
+	"github.com/kelindar/bitmap"
+)
+
+func ReadProgress(path string) (*Progress, error) {
+	file, err := os.Open(path)
+	if err != nil {
+		if os.IsNotExist(err) {
+			return &Progress{}, nil
+		}
+		return nil, err
+	}
+	defer file.Close()
+	scanner := bufio.NewScanner(file)
+	var upload bitmap.Bitmap
+	for scanner.Scan() {
+		index, err := strconv.Atoi(scanner.Text())
+		if err != nil || index < 0 {
+			continue
+		}
+		upload.Set(uint32(index))
+	}
+	return &Progress{upload: upload}, nil
+}
+
+type Progress struct {
+	upload bitmap.Bitmap
+}
+
+func (p *Progress) IsUploaded(index int) bool {
+	if p == nil {
+		return false
+	}
+	return p.upload.Contains(uint32(index))
+}