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318 lines
12 KiB
JavaScript
318 lines
12 KiB
JavaScript
import Uppy from "@uppy/core";
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import ProgressBar from "@uppy/progress-bar";
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import XHRUpload from "@uppy/xhr-upload";
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import $ from "jquery";
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import * as compose_actions from "./compose_actions";
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import * as compose_state from "./compose_state";
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import * as compose_ui from "./compose_ui";
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import {csrf_token} from "./csrf";
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import {$t} from "./i18n";
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import {page_params} from "./page_params";
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// Show the upload button only if the browser supports it.
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export function feature_check($upload_button) {
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if (window.XMLHttpRequest && new window.XMLHttpRequest().upload) {
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$upload_button.removeClass("notdisplayed");
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}
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}
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export function get_translated_status(file) {
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const status = $t({defaultMessage: "Uploading {filename}…"}, {filename: file.name});
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return "[" + status + "]()";
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}
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export function get_item(key, config) {
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if (!config) {
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throw new Error("Missing config");
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}
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if (config.mode === "compose") {
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switch (key) {
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case "textarea":
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return $("#compose-textarea");
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case "send_button":
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return $("#compose-send-button");
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case "send_status_identifier":
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return "#compose-send-status";
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case "send_status":
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return $("#compose-send-status");
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case "send_status_close_button":
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return $(".compose-send-status-close");
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case "send_status_message":
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return $("#compose-error-msg");
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case "file_input_identifier":
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return "#compose .file_input";
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case "source":
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return "compose-file-input";
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case "drag_drop_container":
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return $("#compose");
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case "markdown_preview_hide_button":
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return $("#compose .undo_markdown_preview");
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default:
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throw new Error(`Invalid key name for mode "${config.mode}"`);
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}
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} else if (config.mode === "edit") {
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if (!config.row) {
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throw new Error("Missing row in config");
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}
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switch (key) {
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case "textarea":
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return $(`#edit_form_${CSS.escape(config.row)} .message_edit_content`);
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case "send_button":
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return $(`#edit_form_${CSS.escape(config.row)} .message_edit_content`)
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.closest(".message_edit_form")
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.find(".message_edit_save");
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case "send_status_identifier":
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return `#message-edit-send-status-${CSS.escape(config.row)}`;
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case "send_status":
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return $(`#message-edit-send-status-${CSS.escape(config.row)}`);
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case "send_status_close_button":
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return $(`#message-edit-send-status-${CSS.escape(config.row)}`).find(
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".send-status-close",
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);
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case "send_status_message":
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return $(`#message-edit-send-status-${CSS.escape(config.row)}`).find(".error-msg");
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case "file_input_identifier":
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return `#edit_form_${CSS.escape(config.row)} .file_input`;
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case "source":
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return "message-edit-file-input";
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case "drag_drop_container":
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return $(`#zfilt${CSS.escape(config.row)} .message_edit_form`);
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case "markdown_preview_hide_button":
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return $(`#edit_form_${CSS.escape(config.row)} .undo_markdown_preview`);
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default:
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throw new Error(`Invalid key name for mode "${config.mode}"`);
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}
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} else {
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throw new Error("Invalid upload mode!");
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}
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}
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export function hide_upload_status(config) {
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get_item("send_button", config).prop("disabled", false);
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get_item("send_status", config).removeClass("alert-info").hide();
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}
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export function show_error_message(
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config,
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message = $t({defaultMessage: "An unknown error occurred."}),
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) {
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get_item("send_button", config).prop("disabled", false);
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get_item("send_status", config).addClass("alert-error").removeClass("alert-info").show();
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get_item("send_status_message", config).text(message);
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}
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export function upload_files(uppy, config, files) {
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if (files.length === 0) {
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return;
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}
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if (page_params.max_file_upload_size_mib === 0) {
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show_error_message(
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config,
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$t({
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defaultMessage: "File and image uploads have been disabled for this organization.",
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}),
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);
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return;
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}
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// If we're looking at a markdown preview, switch back to the edit
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// UI. This is important for all the later logic around focus
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// (etc.) to work correctly.
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//
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// We implement this transition through triggering a click on the
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// toggle button to take advantage of the existing plumbing for
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// handling the compose and edit UIs.
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if (get_item("markdown_preview_hide_button", config).is(":visible")) {
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get_item("markdown_preview_hide_button", config).trigger("click");
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}
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get_item("send_button", config).prop("disabled", true);
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get_item("send_status", config).addClass("alert-info").removeClass("alert-error").show();
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get_item("send_status_message", config).html($("<p>").text($t({defaultMessage: "Uploading…"})));
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get_item("send_status_close_button", config).one("click", () => {
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for (const file of uppy.getFiles()) {
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compose_ui.replace_syntax(
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get_translated_status(file),
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"",
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get_item("textarea", config),
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);
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}
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compose_ui.autosize_textarea(get_item("textarea", config));
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uppy.cancelAll();
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get_item("textarea", config).trigger("focus");
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setTimeout(() => {
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hide_upload_status(config);
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}, 500);
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});
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for (const file of files) {
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try {
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compose_ui.insert_syntax_and_focus(
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get_translated_status(file),
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get_item("textarea", config),
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);
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compose_ui.autosize_textarea(get_item("textarea", config));
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uppy.addFile({
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source: get_item("source", config),
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name: file.name,
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type: file.type,
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data: file,
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});
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} catch {
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// Errors are handled by info-visible and upload-error event callbacks.
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break;
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}
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}
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}
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export function setup_upload(config) {
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const uppy = new Uppy({
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debug: false,
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autoProceed: true,
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restrictions: {
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maxFileSize: page_params.max_file_upload_size_mib * 1024 * 1024,
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},
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locale: {
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strings: {
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exceedsSize: $t({defaultMessage: "This file exceeds maximum allowed size of"}),
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failedToUpload: $t({defaultMessage: "Failed to upload %'{file}'"}),
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},
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},
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});
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uppy.setMeta({
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csrfmiddlewaretoken: csrf_token,
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});
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uppy.use(XHRUpload, {
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endpoint: "/json/user_uploads",
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formData: true,
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fieldName: "file",
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// Number of concurrent uploads
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limit: 5,
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locale: {
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strings: {
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timedOut: $t({
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defaultMessage: "Upload stalled for %'{seconds}' seconds, aborting.",
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}),
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},
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},
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});
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uppy.use(ProgressBar, {
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target: get_item("send_status_identifier", config),
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hideAfterFinish: false,
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});
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$("body").on("change", get_item("file_input_identifier", config), (event) => {
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const files = event.target.files;
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upload_files(uppy, config, files);
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event.target.value = "";
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});
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const $drag_drop_container = get_item("drag_drop_container", config);
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$drag_drop_container.on("dragover", (event) => event.preventDefault());
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$drag_drop_container.on("dragenter", (event) => event.preventDefault());
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$drag_drop_container.on("drop", (event) => {
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event.preventDefault();
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const files = event.originalEvent.dataTransfer.files;
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upload_files(uppy, config, files);
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});
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$drag_drop_container.on("paste", (event) => {
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const clipboard_data = event.clipboardData || event.originalEvent.clipboardData;
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if (!clipboard_data) {
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return;
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}
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const items = clipboard_data.items;
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const files = [];
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for (const item of items) {
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if (item.kind !== "file") {
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continue;
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}
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const file = item.getAsFile();
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files.push(file);
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}
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upload_files(uppy, config, files);
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});
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uppy.on("upload-success", (file, response) => {
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const uri = response.body.uri;
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if (uri === undefined) {
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return;
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}
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const split_uri = uri.split("/");
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const filename = split_uri.at(-1);
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if (config.mode === "compose" && !compose_state.composing()) {
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compose_actions.start("stream");
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}
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const filename_uri = "[" + filename + "](" + uri + ")";
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compose_ui.replace_syntax(
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get_translated_status(file),
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filename_uri,
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get_item("textarea", config),
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);
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compose_ui.autosize_textarea(get_item("textarea", config));
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});
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uppy.on("complete", () => {
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let uploads_in_progress = false;
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for (const file of uppy.getFiles()) {
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if (file.progress.uploadComplete) {
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// The uploaded files should be removed since uppy don't allow files in the store
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// to be re-uploaded again.
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uppy.removeFile(file.id);
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} else {
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// Happens when user tries to upload files when there is already an existing batch
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// being uploaded. So when the first batch of files complete, the second batch would
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// still be in progress.
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uploads_in_progress = true;
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}
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}
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const has_errors = get_item("send_status", config).hasClass("alert-error");
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if (!uploads_in_progress && !has_errors) {
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setTimeout(() => {
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hide_upload_status(config);
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}, 500);
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}
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});
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uppy.on("info-visible", () => {
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const info = uppy.getState().info;
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if (info.type === "error" && info.message === "No Internet connection") {
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// server_events already handles the case of no internet.
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return;
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}
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if (info.type === "error" && info.details === "Upload Error") {
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// The server errors come under 'Upload Error'. But we can't handle them
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// here because info object don't contain response.body.msg received from
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// the server. Server errors are hence handled by on('upload-error').
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return;
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}
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if (info.type === "error") {
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// The remaining errors are mostly frontend errors like file being too large
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// for upload.
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uppy.cancelAll();
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show_error_message(config, info.message);
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}
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});
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uppy.on("upload-error", (file, error, response) => {
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const message = response ? response.body.msg : undefined;
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uppy.cancelAll();
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show_error_message(config, message);
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compose_ui.replace_syntax(get_translated_status(file), "", get_item("textarea", config));
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compose_ui.autosize_textarea(get_item("textarea", config));
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});
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uppy.on("restriction-failed", (file) => {
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compose_ui.replace_syntax(get_translated_status(file), "", get_item("textarea", config));
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compose_ui.autosize_textarea(get_item("textarea", config));
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});
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return uppy;
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}
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