// ==UserScript==
// @name         SlackMediaDeletion
// @namespace    https://*.slack.com/messages/*
// @version      1.2
// @description  Delete media from Slack to save some space.
// @author       Matthew Beaudin
// @match        https://*.slack.com/messages/*
// @grant        none
// ==/UserScript==
(function() {
'use strict';
function initButton() {
const deleteButtonHTML = "<button id='deleteButton' class='btn btn_danger' style='margin-left: 30px;'> Delete Media in Channel</button>";
document.getElementsByClassName('channel_header_drag_region')[0].innerHTML = deleteButtonHTML;
var deleteButton = document.getElementById("deleteButton");
deleteButton.addEventListener("click", function(e) {
deleteProcess();
});
}
function sleep(ms) {
return new Promise(resolve => setTimeout(resolve, ms));
}
async function deleteProcess() {
var messageList = document.querySelectorAll(".c-message");
for (var i = 0; i < messageList.length; i++) {
// If message is a file
if (messageList[i].querySelector("button.c-button-unstyled.c-file__action_button.c-file__action_button--icon") !== null) {
// Click action button to open up context menu
messageList[i].querySelector("button.c-button-unstyled.c-file__action_button.c-file__action_button--icon").click();
await sleep(500);
// Click delete action in context menu
document.querySelector("button.c-button-unstyled.c-menu_item__button.c-menu_item__button--danger").click();
await sleep(500);
// Click delete confirmation button
document.querySelector("button.btn.dialog_go.c-modal_footer__go--default.btn_danger").click();
}
}
await sleep(1000);
alert("All media has been deleted from this channel.");
}
setInterval(() => {
if (document.getElementById("deleteButton") === null) {
initButton();
}
}, 2500);
})();