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dump.go
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dump.go
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package main
import (
"bufio"
"encoding/json"
"fmt"
"github.com/bwmarrin/discordgo"
"github.com/spf13/cobra"
"log"
"os"
"time"
)
func dumpGuild(_ *cobra.Command, args []string) {
guildId := args[0]
guild, err := session.Guild(guildId)
if err != nil {
panic(err)
}
log.Printf("Dumping guild %s (%s)", guild.Name, guild.ID)
chans, err := session.GuildChannels(guildId)
if err != nil {
panic(err)
}
log.Printf("Channels: %d", len(chans))
for _, c := range chans {
dumpChannel(guild, c)
}
}
func getFileName(guildName string, channelName string) string {
t := time.Now().Format("2006-01-02")
return fmt.Sprintf("%s_%s_%s.json", guildName, channelName, t)
}
func dumpChannel(guild *discordgo.Guild, c *discordgo.Channel) {
log.Printf("Dumping channel #%s (%s)", c.Name, c.ID)
firstMsg, err := session.ChannelMessages(c.ID, 1, "", "", "")
if err != nil {
log.Printf("Failed to access #%s (%s): %s", c.Name, c.ID, err)
return
}
if len(firstMsg) == 0 {
log.Printf("Failed to access #%s (%s): Channel is empty", c.Name, c.ID)
return
}
fpath := getFileName(guild.Name, c.Name)
f, err := os.Create(fpath)
if err != nil {
panic(err)
}
wr := bufio.NewWriter(f)
defer wr.Flush()
jwr := json.NewEncoder(wr)
var beforeID string
var total int64 = 0
for i := 1; true; i++ {
msgs, err := session.ChannelMessages(c.ID, 100, beforeID, "", "")
if err != nil {
log.Printf("Failed to dump #%s (%s): %s", c.Name, c.ID, err)
return
}
if len(msgs) == 0 {
return
}
for _, msg := range msgs {
mini := miniMsg{
ID: msg.ID,
Content: msg.Content,
Timestamp: msg.Timestamp,
Type: msg.Type,
Author: miniUser{
ID: msg.Author.ID,
Username: msg.Author.Username,
Bot: msg.Author.Bot,
},
}
err := jwr.Encode(mini)
if err != nil {
panic(err)
}
}
total += int64(len(msgs))
log.Printf("Dumping #%s: Got page %03d, Total: % 8d", c.Name, i, total)
beforeID = msgs[len(msgs)-1].ID
}
defer f.Close()
}