Files
anydb/output/list.go

138 lines
3.3 KiB
Go

/*
Copyright © 2024 Thomas von Dein
This program 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.
This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
package output
import (
"bytes"
"encoding/json"
"errors"
"fmt"
"io"
"strconv"
"strings"
tpl "text/template"
"github.com/dustin/go-humanize"
"github.com/olekukonko/tablewriter"
"github.com/tlinden/anydb/app"
"github.com/tlinden/anydb/cfg"
)
func List(writer io.Writer, conf *cfg.Config, entries app.DbEntries) error {
switch conf.Mode {
case "wide", "", "table":
return ListTable(writer, conf, entries)
case "json":
return ListJson(writer, conf, entries)
case "template":
return ListTemplate(writer, conf, entries)
default:
return errors.New("unsupported mode")
}
}
func ListJson(writer io.Writer, conf *cfg.Config, entries app.DbEntries) error {
jsonentries, err := json.Marshal(entries)
if err != nil {
return fmt.Errorf("failed marshall json: %s", err)
}
fmt.Println(string(jsonentries))
return nil
}
func ListTemplate(writer io.Writer, conf *cfg.Config, entries app.DbEntries) error {
tmpl, err := tpl.New("list").Parse(conf.Template)
if err != nil {
return fmt.Errorf("failed to parse output template: %w", err)
}
buf := bytes.Buffer{}
for _, row := range entries {
buf.Reset()
err = tmpl.Execute(&buf, row)
if err != nil {
return fmt.Errorf("failed to execute output template: %w", err)
}
if buf.Len() > 0 {
fmt.Fprintln(writer, buf.String())
}
}
return nil
}
func ListTable(writer io.Writer, conf *cfg.Config, entries app.DbEntries) error {
tableString := &strings.Builder{}
table := tablewriter.NewWriter(tableString)
if !conf.NoHeaders {
if conf.Mode == "wide" {
table.SetHeader([]string{"KEY", "TAGS", "SIZE", "UPDATED", "VALUE"})
} else {
table.SetHeader([]string{"KEY", "VALUE"})
}
}
for _, row := range entries {
if conf.Mode == "wide" {
switch conf.NoHumanize {
case true:
table.Append([]string{
row.Key,
strings.Join(row.Tags, ","),
strconv.FormatUint(row.Size, 10),
row.Created.AsTime().Format("02.01.2006T03:04.05"),
row.Preview,
})
default:
table.Append([]string{
row.Key,
strings.Join(row.Tags, ","),
humanize.Bytes(uint64(row.Size)),
humanize.Time(row.Created.AsTime()),
row.Preview,
})
}
} else {
table.Append([]string{row.Key, row.Preview})
}
}
table.SetHeaderAlignment(tablewriter.ALIGN_LEFT)
table.SetAutoWrapText(false)
table.SetAutoFormatHeaders(true)
table.SetAlignment(tablewriter.ALIGN_LEFT)
table.SetCenterSeparator("")
table.SetColumnSeparator("")
table.SetRowSeparator("")
table.SetHeaderLine(false)
table.SetBorder(false)
table.SetNoWhiteSpace(true)
table.SetTablePadding("\t") // pad with tabs
table.Render()
fmt.Fprint(writer, tableString.String())
return nil
}