gmantaos/Goirate

package main

import (
    "bytes"
    "encoding/json"
    "log"
    "strings"

    "goirate/torrents"

    "github.com/olekukonko/tablewriter"
)

// MirrorsCommand defines the mirrors command and holds its options.
type MirrorsCommand struct {
    SourceURL string `short:"s" long:"source" description:"Link to a list of PirateBay proxies. Default: proxybay.github.io"`
}

// Execute is the callback of the mirrors command.
func (m *MirrorsCommand) Execute(args []string) error {

    var scraper torrents.MirrorScraper

    scraper.SetProxySourceURL(m.SourceURL)

    mirrors, err := scraper.GetMirrors()

    if err != nil {
        return err
    }

    if Options.JSON {
        mirrorsJSON, err := json.MarshalIndent(mirrors, "", "   ")

        if err != nil {
            return err
        }

        log.Println(string(mirrorsJSON))
    } else {
        log.Println(getMirrorsTable(mirrors))
    }

    return nil
}

func getMirrorsTable(mirrors []torrents.Mirror) string {
    buf := bytes.NewBufferString("")

    table := tablewriter.NewWriter(buf)
    table.SetHeader([]string{" ", "Country", "URL"})
    table.SetColumnAlignment([]int{tablewriter.ALIGN_DEFAULT, tablewriter.ALIGN_CENTER, tablewriter.ALIGN_DEFAULT})
    table.SetBorders(tablewriter.Border{Left: true, Top: false, Right: true, Bottom: false})
    table.SetCenterSeparator("|")
    table.SetAutoFormatHeaders(false)

    for _, mirror := range mirrors {
        status := "x"
        if !mirror.Status {
            status = " "
        }

        table.Append([]string{status, strings.ToUpper(mirror.Country), mirror.URL})
    }

    table.Render()

    return buf.String()
}