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// Copyright 2021 Northern.tech AS
//
// 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 utils
import (
"io"
"github.com/mendersoftware/progressbar"
)
type ProgressReader struct {
bar *progressbar.Bar
io.Reader
}
func NewProgressReader() *ProgressReader {
return &ProgressReader{}
}
func (p *ProgressReader) Wrap(r io.Reader, size int64) io.Reader {
bar := progressbar.New(size)
bar.Size = size
return &ProgressReader{
Reader: r,
bar: bar,
}
}
func (p *ProgressReader) Read(b []byte) (int, error) {
n, err := p.Reader.Read(b)
p.bar.Tick(int64(n))
return n, err
}
type ProgressWriter struct {
bar *progressbar.Bar
Writer io.WriteCloser
}
func NewProgressWriter() *ProgressWriter {
return &ProgressWriter{}
}
func (p *ProgressWriter) Wrap(w io.WriteCloser) io.Writer {
p.Writer = w
return p
}
func (p *ProgressWriter) Reset(size int64, filename string, payloadNumber int) {
p.bar = progressbar.New(size)
p.bar.Size = size
}
func (p *ProgressWriter) Finish() {
if p.bar != nil {
p.bar.Finish()
}
}
func (p *ProgressWriter) Write(b []byte) (int, error) {
n, err := p.Writer.Write(b)
p.bar.Tick(int64(n))
return n, err
}
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