;)

lokvahkoor.go

/*

#### BEFORE YOU RUN THIS ####

Make sure you got everything you need, and run this:

go get github.com/nlopes/slack
go get github.com/fatih/color
go get github.com/davecgh/go-spew/spew

THEN FILL IN THE VARIABLES AT THE BEGINING OF MAIN.

*/

package main

import (
	"fmt"
	"log"
	"time"

	"github.com/davecgh/go-spew/spew"
	"github.com/fatih/color"
	"github.com/nlopes/slack"
)

var g = color.HiGreenString
var r = color.HiRedString
var y = color.HiYellowString

func main() {
	// click on your photo twice in any DMs to open your profile on the side bar then
	// you should see an url like this:
	// exmaple: https://lushglobal.slack.com/messages/{CHANNEL ID}/team/{USER ID}/

	// your user id, used for filtering, get it from your url
	userID := ""
	// the dm conversation id you wanna delete (get it from the url)
	channel := ""
	// your api token, get it from: https://api.slack.com/custom-integrations/legacy-tokens
	token := ""

	api := slack.New(token)
	params := slack.HistoryParameters{
		Oldest:    "0",
		Latest:    "",
		Inclusive: false,
		Count:     1000,
		Unreads:   true,
	}

	// prepare a func
	call := func() (*slack.History, error) {
		color.Green("New call made")
		return api.GetIMHistory(channel, params)
	}

	history, err := call()
	if err != nil {
		log.Fatal(err)
	}
	var iter int
loop: // I'm lazy, so heck off
	spew.Dump(len(history.Messages))
	for key, msg := range history.Messages {
		if msg.User == userID {
		retry: // I'm lazy, so heck off
			_, _, err := api.DeleteMessage(channel, msg.Timestamp)
			if err != nil {
				fmt.Println(err)
				fmt.Println(y("retrying:"), msg.Text)
				time.Sleep(10 * time.Second)
				goto retry // I'm lazy, so heck off
			}
			fmt.Println(r("deleted:"), g(msg.Text))
			time.Sleep(100 * time.Millisecond)
			iter++
			if iter%15 == 0 {
				time.Sleep(2 * time.Second)
			}
		}
		if key == len(history.Messages)-1 && history.HasMore {
			color.HiYellow(msg.Timestamp)
			params.Latest = msg.Timestamp
			history, err = call()
			goto loop // I'm lazy, so heck off
		}
	}
}