119 lines
2.8 KiB
Go
119 lines
2.8 KiB
Go
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package utils
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import (
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"encoding/json"
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"fmt"
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"io"
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"time"
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)
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type JSONError struct {
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Code int `json:"code,omitempty"`
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Message string `json:"message,omitempty"`
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}
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func (e *JSONError) Error() string {
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return e.Message
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}
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type JSONProgress struct {
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Current int `json:"current,omitempty"`
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Total int `json:"total,omitempty"`
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}
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func (p *JSONProgress) String() string {
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if p.Current == 0 && p.Total == 0 {
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return ""
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}
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current := HumanSize(int64(p.Current))
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if p.Total == 0 {
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return fmt.Sprintf("%8v/?", current)
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}
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total := HumanSize(int64(p.Total))
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percentage := float64(p.Current) / float64(p.Total) * 100
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return fmt.Sprintf("%8v/%v (%.0f%%)", current, total, percentage)
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}
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type JSONMessage struct {
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Status string `json:"status,omitempty"`
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Progress *JSONProgress `json:"progressDetail,omitempty"`
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ProgressMessage string `json:"progress,omitempty"` //deprecated
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ID string `json:"id,omitempty"`
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From string `json:"from,omitempty"`
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Time int64 `json:"time,omitempty"`
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Error *JSONError `json:"errorDetail,omitempty"`
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ErrorMessage string `json:"error,omitempty"` //deprecated
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}
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func (jm *JSONMessage) Display(out io.Writer, isTerminal bool) error {
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if jm.Error != nil {
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if jm.Error.Code == 401 {
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return fmt.Errorf("Authentication is required.")
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}
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return jm.Error
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}
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endl := ""
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if isTerminal {
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// <ESC>[2K = erase entire current line
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fmt.Fprintf(out, "%c[2K\r", 27)
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endl = "\r"
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}
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if jm.Time != 0 {
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fmt.Fprintf(out, "[%s] ", time.Unix(jm.Time, 0))
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}
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if jm.ID != "" {
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fmt.Fprintf(out, "%s: ", jm.ID)
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}
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if jm.From != "" {
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fmt.Fprintf(out, "(from %s) ", jm.From)
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}
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if jm.Progress != nil {
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fmt.Fprintf(out, "%s %s%s", jm.Status, jm.Progress.String(), endl)
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} else if jm.ProgressMessage != "" { //deprecated
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fmt.Fprintf(out, "%s %s%s", jm.Status, jm.ProgressMessage, endl)
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} else {
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fmt.Fprintf(out, "%s%s\n", jm.Status, endl)
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}
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return nil
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}
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func DisplayJSONMessagesStream(in io.Reader, out io.Writer, isTerminal bool) error {
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dec := json.NewDecoder(in)
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ids := make(map[string]int)
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diff := 0
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for {
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jm := JSONMessage{}
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if err := dec.Decode(&jm); err == io.EOF {
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break
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} else if err != nil {
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return err
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}
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if (jm.Progress != nil || jm.ProgressMessage != "") && jm.ID != "" {
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line, ok := ids[jm.ID]
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if !ok {
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line = len(ids)
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ids[jm.ID] = line
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fmt.Fprintf(out, "\n")
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diff = 0
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} else {
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diff = len(ids) - line
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}
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if isTerminal {
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// <ESC>[{diff}A = move cursor up diff rows
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fmt.Fprintf(out, "%c[%dA", 27, diff)
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}
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}
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err := jm.Display(out, isTerminal)
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if jm.ID != "" {
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if isTerminal {
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// <ESC>[{diff}B = move cursor down diff rows
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fmt.Fprintf(out, "%c[%dB", 27, diff)
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}
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}
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if err != nil {
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return err
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}
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}
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return nil
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}
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