449 lines
17 KiB
JavaScript
449 lines
17 KiB
JavaScript
import {
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eventSource,
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this_chid,
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characters,
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getRequestHeaders,
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} from '../../../script.js';
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import { groups, selected_group } from '../../group-chats.js';
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import { loadFileToDocument, delay } from '../../utils.js';
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import { loadMovingUIState } from '../../power-user.js';
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import { dragElement } from '../../RossAscends-mods.js';
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import { SlashCommandParser } from '../../slash-commands/SlashCommandParser.js';
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import { SlashCommand } from '../../slash-commands/SlashCommand.js';
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import { ARGUMENT_TYPE, SlashCommandNamedArgument } from '../../slash-commands/SlashCommandArgument.js';
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import { DragAndDropHandler } from '../../dragdrop.js';
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import { commonEnumProviders } from '../../slash-commands/SlashCommandCommonEnumsProvider.js';
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const extensionName = 'gallery';
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const extensionFolderPath = `scripts/extensions/${extensionName}/`;
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let firstTime = true;
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// Exposed defaults for future tweaking
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let thumbnailHeight = 150;
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let paginationVisiblePages = 10;
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let paginationMaxLinesPerPage = 2;
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let galleryMaxRows = 3;
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/**
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* Retrieves a list of gallery items based on a given URL. This function calls an API endpoint
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* to get the filenames and then constructs the item list.
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*
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* @param {string} url - The base URL to retrieve the list of images.
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* @returns {Promise<Array>} - Resolves with an array of gallery item objects, rejects on error.
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*/
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async function getGalleryItems(url) {
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const response = await fetch(`/api/images/list/${url}`, {
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method: 'POST',
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headers: getRequestHeaders(),
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});
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const data = await response.json();
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const items = data.map((file) => ({
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src: `user/images/${url}/${file}`,
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srct: `user/images/${url}/${file}`,
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title: '', // Optional title for each item
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}));
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return items;
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}
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/**
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* Initializes a gallery using the provided items and sets up the drag-and-drop functionality.
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* It uses the nanogallery2 library to display the items and also initializes
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* event listeners to handle drag-and-drop of files onto the gallery.
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*
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* @param {Array<Object>} items - An array of objects representing the items to display in the gallery.
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* @param {string} url - The URL to use when a file is dropped onto the gallery for uploading.
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* @returns {Promise<void>} - Promise representing the completion of the gallery initialization.
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*/
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async function initGallery(items, url) {
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const gallery = $('#dragGallery');
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gallery.nanogallery2({
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'items': items,
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thumbnailWidth: 'auto',
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thumbnailHeight: thumbnailHeight,
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paginationVisiblePages: paginationVisiblePages,
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paginationMaxLinesPerPage: paginationMaxLinesPerPage,
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galleryMaxRows: galleryMaxRows,
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galleryPaginationTopButtons: false,
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galleryNavigationOverlayButtons: true,
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galleryTheme: {
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navigationBar: { background: 'none', borderTop: '', borderBottom: '', borderRight: '', borderLeft: '' },
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navigationBreadcrumb: { background: '#111', color: '#fff', colorHover: '#ccc', borderRadius: '4px' },
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navigationFilter: { color: '#ddd', background: '#111', colorSelected: '#fff', backgroundSelected: '#111', borderRadius: '4px' },
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navigationPagination: { background: '#111', color: '#fff', colorHover: '#ccc', borderRadius: '4px' },
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thumbnail: { background: '#444', backgroundImage: 'linear-gradient(315deg, #111 0%, #445 90%)', borderColor: '#000', borderRadius: '0px', labelOpacity: 1, labelBackground: 'rgba(34, 34, 34, 0)', titleColor: '#fff', titleBgColor: 'transparent', titleShadow: '', descriptionColor: '#ccc', descriptionBgColor: 'transparent', descriptionShadow: '', stackBackground: '#aaa' },
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thumbnailIcon: { padding: '5px', color: '#fff', shadow: '' },
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pagination: { background: '#181818', backgroundSelected: '#666', color: '#fff', borderRadius: '2px', shapeBorder: '3px solid var(--SmartThemeQuoteColor)', shapeColor: '#444', shapeSelectedColor: '#aaa' },
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},
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galleryDisplayMode: 'pagination',
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fnThumbnailOpen: viewWithDragbox,
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});
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eventSource.on('resizeUI', function (elmntName) {
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gallery.nanogallery2('resize');
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});
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const dragDropHandler = new DragAndDropHandler('#dragGallery', async (files, event) => {
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let file = files[0];
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uploadFile(file, url); // Added url parameter to know where to upload
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});
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// Set dropzone height to be the same as the parent
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gallery.css('height', gallery.parent().css('height'));
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//let images populate first
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await delay(100);
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//unset the height (which must be getting set by the gallery library at some point)
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gallery.css('height', 'unset');
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//force a resize to make images display correctly
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gallery.nanogallery2('resize');
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}
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/**
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* Displays a character gallery using the nanogallery2 library.
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*
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* This function takes care of:
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* - Loading necessary resources for the gallery on the first invocation.
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* - Preparing gallery items based on the character or group selection.
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* - Handling the drag-and-drop functionality for image upload.
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* - Displaying the gallery in a popup.
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* - Cleaning up resources when the gallery popup is closed.
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*
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* @returns {Promise<void>} - Promise representing the completion of the gallery display process.
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*/
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async function showCharGallery() {
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// Load necessary files if it's the first time calling the function
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if (firstTime) {
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await loadFileToDocument(
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`${extensionFolderPath}nanogallery2.woff.min.css`,
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'css',
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);
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await loadFileToDocument(
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`${extensionFolderPath}jquery.nanogallery2.min.js`,
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'js',
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);
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firstTime = false;
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toastr.info('Images can also be found in the folder `user/images`', 'Drag and drop images onto the gallery to upload them', { timeOut: 6000 });
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}
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try {
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let url = selected_group || this_chid;
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if (!selected_group && this_chid) {
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const char = characters[this_chid];
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url = char.avatar.replace('.png', '');
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}
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const items = await getGalleryItems(url);
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// if there already is a gallery, destroy it and place this one in its place
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if ($('#dragGallery').length) {
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$('#dragGallery').nanogallery2('destroy');
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initGallery(items, url);
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} else {
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makeMovable();
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setTimeout(async () => {
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await initGallery(items, url);
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}, 100);
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}
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} catch (err) {
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console.trace();
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console.error(err);
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}
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}
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/**
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* Uploads a given file to a specified URL.
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* Once the file is uploaded, it provides a success message using toastr,
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* destroys the existing gallery, fetches the latest items, and reinitializes the gallery.
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*
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* @param {File} file - The file object to be uploaded.
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* @param {string} url - The URL indicating where the file should be uploaded.
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* @returns {Promise<void>} - Promise representing the completion of the file upload and gallery refresh.
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*/
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async function uploadFile(file, url) {
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// Convert the file to a base64 string
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const reader = new FileReader();
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reader.onloadend = async function () {
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const base64Data = reader.result;
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// Create the payload
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const payload = {
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image: base64Data,
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};
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// Add the ch_name from the provided URL (assuming it's the character name)
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payload.ch_name = url;
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try {
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const headers = await getRequestHeaders();
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// Merge headers with content-type for JSON
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Object.assign(headers, {
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'Content-Type': 'application/json',
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});
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const response = await fetch('/api/images/upload', {
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method: 'POST',
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headers: headers,
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body: JSON.stringify(payload),
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});
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if (!response.ok) {
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throw new Error(`HTTP error! Status: ${response.status}`);
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}
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const result = await response.json();
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toastr.success('File uploaded successfully. Saved at: ' + result.path);
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// Refresh the gallery
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$('#dragGallery').nanogallery2('destroy'); // Destroy old gallery
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const newItems = await getGalleryItems(url); // Fetch the latest items
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initGallery(newItems, url); // Reinitialize the gallery with new items and pass 'url'
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} catch (error) {
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console.error('There was an issue uploading the file:', error);
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// Replacing alert with toastr error notification
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toastr.error('Failed to upload the file.');
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}
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};
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reader.readAsDataURL(file);
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}
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$(document).ready(function () {
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// Register an event listener
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eventSource.on('charManagementDropdown', (selectedOptionId) => {
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if (selectedOptionId === 'show_char_gallery') {
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showCharGallery();
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}
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});
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// Add an option to the dropdown
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$('#char-management-dropdown').append(
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$('<option>', {
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id: 'show_char_gallery',
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text: 'Show Gallery',
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}),
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);
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});
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/**
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* Creates a new draggable container based on a template.
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* This function takes a template with the ID 'generic_draggable_template' and clones it.
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* The cloned element has its attributes set, a new child div appended, and is made visible on the body.
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* Additionally, it sets up the element to prevent dragging on its images.
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*/
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function makeMovable(id = 'gallery') {
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console.debug('making new container from template');
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const template = $('#generic_draggable_template').html();
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const newElement = $(template);
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newElement.css('background-color', 'var(--SmartThemeBlurTintColor)');
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newElement.attr('forChar', id);
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newElement.attr('id', `${id}`);
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newElement.find('.drag-grabber').attr('id', `${id}header`);
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newElement.find('.dragTitle').text('Image Gallery');
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//add a div for the gallery
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newElement.append('<div id="dragGallery"></div>');
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// add no-scrollbar class to this element
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newElement.addClass('no-scrollbar');
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// get the close button and set its id and data-related-id
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const closeButton = newElement.find('.dragClose');
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closeButton.attr('id', `${id}close`);
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closeButton.attr('data-related-id', `${id}`);
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$('#dragGallery').css('display', 'block');
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$('body').append(newElement);
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loadMovingUIState();
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$(`.draggable[forChar="${id}"]`).css('display', 'block');
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dragElement(newElement);
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$(`.draggable[forChar="${id}"] img`).on('dragstart', (e) => {
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console.log('saw drag on avatar!');
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e.preventDefault();
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return false;
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});
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$('body').on('click', '.dragClose', function () {
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const relatedId = $(this).data('related-id'); // Get the ID of the related draggable
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$(`#${relatedId}`).remove(); // Remove the associated draggable
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});
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}
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/**
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* Creates a new draggable image based on a template.
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*
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* This function clones a provided template with the ID 'generic_draggable_template',
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* appends the given image URL, ensures the element has a unique ID,
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* and attaches the element to the body. After appending, it also prevents
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* dragging on the appended image.
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*
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* @param {string} id - A base identifier for the new draggable element.
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* @param {string} url - The URL of the image to be added to the draggable element.
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*/
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function makeDragImg(id, url) {
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// Step 1: Clone the template content
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const template = document.getElementById('generic_draggable_template');
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if (!(template instanceof HTMLTemplateElement)) {
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console.error('The element is not a <template> tag');
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return;
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}
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const newElement = document.importNode(template.content, true);
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// Step 2: Append the given image
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const imgElem = document.createElement('img');
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imgElem.src = url;
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let uniqueId = `draggable_${id}`;
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const draggableElem = newElement.querySelector('.draggable');
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if (draggableElem) {
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draggableElem.appendChild(imgElem);
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// Find a unique id for the draggable element
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let counter = 1;
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while (document.getElementById(uniqueId)) {
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uniqueId = `draggable_${id}_${counter}`;
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counter++;
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}
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draggableElem.id = uniqueId;
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// Ensure that the newly added element is displayed as block
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draggableElem.style.display = 'block';
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//and has no padding unlike other non-zoomed-avatar draggables
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draggableElem.style.padding = '0';
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// Add an id to the close button
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// If the close button exists, set related-id
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const closeButton = draggableElem.querySelector('.dragClose');
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if (closeButton) {
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closeButton.id = `${uniqueId}close`;
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closeButton.dataset.relatedId = uniqueId;
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}
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// Find the .drag-grabber and set its matching unique ID
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const dragGrabber = draggableElem.querySelector('.drag-grabber');
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if (dragGrabber) {
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dragGrabber.id = `${uniqueId}header`; // appending _header to make it match the parent's unique ID
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}
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}
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// Step 3: Attach it to the body
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document.body.appendChild(newElement);
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// Step 4: Call dragElement and loadMovingUIState
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const appendedElement = document.getElementById(uniqueId);
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if (appendedElement) {
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var elmntName = $(appendedElement);
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loadMovingUIState();
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dragElement(elmntName);
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// Prevent dragging the image
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$(`#${uniqueId} img`).on('dragstart', (e) => {
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console.log('saw drag on avatar!');
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e.preventDefault();
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return false;
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});
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} else {
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console.error('Failed to append the template content or retrieve the appended content.');
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}
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$('body').on('click', '.dragClose', function () {
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const relatedId = $(this).data('related-id'); // Get the ID of the related draggable
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$(`#${relatedId}`).remove(); // Remove the associated draggable
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});
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}
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/**
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* Sanitizes a given ID to ensure it can be used as an HTML ID.
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* This function replaces spaces and non-word characters with dashes.
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* It also removes any non-ASCII characters.
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* @param {string} id - The ID to be sanitized.
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* @returns {string} - The sanitized ID.
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*/
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function sanitizeHTMLId(id) {
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// Replace spaces and non-word characters
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id = id.replace(/\s+/g, '-')
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.replace(/[^\x00-\x7F]/g, '-')
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.replace(/\W/g, '');
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return id;
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}
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/**
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* Processes a list of items (containing URLs) and creates a draggable box for the first item.
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*
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* If the provided list of items is non-empty, it takes the URL of the first item,
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* derives an ID from the URL, and uses the makeDragImg function to create
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* a draggable image element based on that ID and URL.
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*
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* @param {Array} items - A list of items where each item has a responsiveURL method that returns a URL.
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*/
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function viewWithDragbox(items) {
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if (items && items.length > 0) {
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const url = items[0].responsiveURL(); // Get the URL of the clicked image/video
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// ID should just be the last part of the URL, removing the extension
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const id = sanitizeHTMLId(url.substring(url.lastIndexOf('/') + 1, url.lastIndexOf('.')));
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makeDragImg(id, url);
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}
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}
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// Registers a simple command for opening the char gallery.
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SlashCommandParser.addCommandObject(SlashCommand.fromProps({ name: 'show-gallery',
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aliases: ['sg'],
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callback: () => {
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showCharGallery();
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return '';
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},
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helpString: 'Shows the gallery.',
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}));
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SlashCommandParser.addCommandObject(SlashCommand.fromProps({ name: 'list-gallery',
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aliases: ['lg'],
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callback: listGalleryCommand,
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returns: 'list of images',
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namedArgumentList: [
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SlashCommandNamedArgument.fromProps({
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name: 'char',
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description: 'character name',
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typeList: [ARGUMENT_TYPE.STRING],
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enumProvider: commonEnumProviders.characters('character'),
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}),
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SlashCommandNamedArgument.fromProps({
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name: 'group',
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description: 'group name',
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typeList: [ARGUMENT_TYPE.STRING],
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enumProvider: commonEnumProviders.characters('group'),
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}),
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],
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helpString: 'List images in the gallery of the current char / group or a specified char / group.',
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}));
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async function listGalleryCommand(args) {
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try {
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let url = args.char ?? (args.group ? groups.find(it=>it.name == args.group)?.id : null) ?? (selected_group || this_chid);
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if (!args.char && !args.group && !selected_group && this_chid) {
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const char = characters[this_chid];
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url = char.avatar.replace('.png', '');
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}
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const items = await getGalleryItems(url);
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return JSON.stringify(items.map(it=>it.src));
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} catch (err) {
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console.trace();
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console.error(err);
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}
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return JSON.stringify([]);
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}
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