234 lines
11 KiB
JavaScript
234 lines
11 KiB
JavaScript
var stagedFiles = null;
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const publishFileFunctions = {
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triggerFileChooser: function (fileInputId) {
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document.getElementById(fileInputId).click();
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},
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cancelPublish: function () {
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window.location.href = '/';
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},
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previewAndStageFile: function (selectedFile) {
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const fileSelectionInputError = document.getElementById('input-error-file-selection');
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// When a file is selected for publish, validate that file and
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// stage it so it will be ready when the publish button is clicked
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try {
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validationFunctions.validateFile(selectedFile); // validate the file's name, type, and size
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} catch (error) {
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validationFunctions.showError(fileSelectionInputError, error.message);
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return;
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}
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// set image preview, if an image was provided
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this.setImagePreview(selectedFile);
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// hide the primary drop zone
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this.hidePrimaryDropzone();
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// set the name input value to the image name if none is set yet
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this.updateClaimNameInputWithFileName(selectedFile);
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// store the selected file for upload
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stagedFiles = [selectedFile];
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},
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hidePrimaryDropzone: function () {
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const primaryDropzone = document.getElementById('primary-dropzone');
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const publishForm = document.getElementById('publish-form');
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primaryDropzone.setAttribute('class', 'hidden');
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publishForm.setAttribute('class', 'row')
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},
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updateClaimNameInputWithFileName: function (selectedFile) {
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const nameInput = document.getElementById('claim-name-input');
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if (nameInput.value === "") {
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var filename = selectedFile.name.substring(0, selectedFile.name.indexOf('.'))
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nameInput.value = validationFunctions.cleanseClaimName(filename);
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validationFunctions.checkClaimName(nameInput.value);
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}
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},
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setImagePreview: function (selectedFile) {
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const assetPreview = document.getElementById('asset-preview-target');
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const thumbnailInput = document.getElementById('claim-thumbnail-input');
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const thumbnailInputTool = document.getElementById('publish-thumbnail');
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if (selectedFile.type !== 'video/mp4') {
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const previewReader = new FileReader();
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if (selectedFile.type === 'image/gif') {
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assetPreview.innerHTML = `<p>loading preview...</p>`
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}
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previewReader.readAsDataURL(selectedFile);
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previewReader.onloadend = function () {
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assetPreview.innerHTML = '<img id="asset-preview" src="' + previewReader.result + '" alt="image preview"/>';
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};
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// clear & hide the thumbnail selection input
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thumbnailInput.value = '';
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thumbnailInputTool.hidden = true;
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} else {
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assetPreview.innerHTML = `<img id="asset-preview" src="/assets/img/video_thumb_default.png"/>`;
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// clear & show the thumbnail selection input
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thumbnailInput.value = '';
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thumbnailInputTool.hidden = false;
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}
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},
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returnNullOrChannel: function () {
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const channelRadio = document.getElementById('channel-radio');
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if (channelRadio.checked) {
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const channelInput = document.getElementById('channel-name-select');
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return channelInput.value.trim();
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}
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return null;
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},
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createMetadata: function() {
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const nameInput = document.getElementById('claim-name-input');
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const titleInput = document.getElementById('publish-title');
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const descriptionInput = document.getElementById('publish-description');
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const licenseInput = document.getElementById('publish-license');
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const nsfwInput = document.getElementById('publish-nsfw');
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const thumbnailInput = document.getElementById('claim-thumbnail-input');
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const channelName = this.returnNullOrChannel();
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let metadata = {
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name: nameInput.value.trim(),
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title: titleInput.value.trim(),
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description: descriptionInput.value.trim(),
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license: licenseInput.value.trim(),
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nsfw: nsfwInput.checked,
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type: stagedFiles[0].type,
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thumbnail: thumbnailInput.value.trim(),
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};
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if (channelName) {
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metadata['channelName'] = channelName;
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}
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return metadata;
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},
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appendDataToFormData: function (file, metadata) {
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var fd = new FormData();
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fd.append('file', file)
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for (var key in metadata) {
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if (metadata.hasOwnProperty(key)) {
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console.log(key, metadata[key]);
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fd.append(key, metadata[key]);
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}
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}
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return fd;
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},
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publishFile: function (file, metadata) {
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var uri = "/api/claim-publish";
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var xhr = new XMLHttpRequest();
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var fd = this.appendDataToFormData(file, metadata);
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var that = this;
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xhr.upload.addEventListener("loadstart", function(e) {
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that.showUploadStartedMessage();
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})
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xhr.upload.addEventListener("progress", function(e) {
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if (e.lengthComputable) {
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var percentage = Math.round((e.loaded * 100) / e.total);
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console.log('progress:', percentage);
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that.showUploadProgressMessage(percentage);
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}
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}, false);
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xhr.upload.addEventListener("load", function(e){
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console.log('loaded 100%');
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that.showFilePublishUpdate("Your file has been loaded, and is now being published to the blockchain. Sit tight...")
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}, false);
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xhr.open("POST", uri, true);
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xhr.onreadystatechange = function() {
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if (xhr.readyState == 4) {
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console.log('publish response:', xhr.response)
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if (xhr.status == 200) {
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console.log('publish complete!');
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that.showFilePublishComplete(JSON.parse(xhr.response).message);
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} else if (xhr.status == 502){
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that.showFilePublishFailure('Spee.ch was not able to get a response from the LBRY network.');
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} else {
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that.showFilePublishFailure(JSON.parse(xhr.response).message);
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}
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}
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};
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// Initiate a multipart/form-data upload
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xhr.send(fd);
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},
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// Validate the publish submission and then trigger upload
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publishStagedFile: function (event) {
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event.preventDefault(); // prevent default so this script can handle submission
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const metadata = this.createMetadata();
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const that = this;
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const fileSelectionInputError = document.getElementById('input-error-file-selection');
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const claimNameError = document.getElementById('input-error-claim-name');
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const channelSelectError = document.getElementById('input-error-channel-select');
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const publishSubmitError = document.getElementById('input-error-publish-submit');
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// validate, submit, and handle response
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validationFunctions.validateFilePublishSubmission(stagedFiles, metadata)
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.then( function() {
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that.publishFile(stagedFiles[0], metadata);
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})
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.catch(error => {
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if (error.name === 'FileError') {
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validationFunctions.showError(fileSelectionInputError, error.message);
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} else if (error.name === 'NameError') {
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validationFunctions.showError(claimNameError, error.message);
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} else if (error.name === 'ChannelNameError'){
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console.log(error);
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validationFunctions.showError(channelSelectError, error.message);
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} else {
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validationFunctions.showError(publishSubmitError, error.message);
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}
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return;
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})
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},
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showUploadStartedMessage: function (){
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console.log('starting upload');
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// hide the publish tool
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this.hidePublishTools();
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// show the progress status and animation
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this.showPublishStatus();
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this.showPublishProgressBar();
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},
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showUploadProgressMessage: function (percentage){
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this.updatePublishStatus('<p>File is loading to server</p>');
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this.updateUploadPercent('<p class="blue">' + percentage + '% </p>');
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},
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showFilePublishUpdate: function (msg) {
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this.updatePublishStatus('<p>' + msg + '</p>');
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this.updateUploadPercent('<p>Curious what magic is happening here? <a class="link--primary" target="blank" href="https://lbry.io/faq/what-is-lbry">Learn more.</a></p>');
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},
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showFilePublishFailure: function (msg){
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this.updatePublishStatus('<p>Something went wrong...</p><p><strong>' + msg + '</strong></p><p>For help, post the above error text in the #speech channel on the <a class="link--primary" href="https://discord.gg/YjYbwhS" target="_blank">lbry discord</a>');
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this.hidePublishProgressBar();
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this.hideUploadPercent();
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},
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showFilePublishComplete: function (msg) {
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console.log('Publish complete!');
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const showUrl = msg.lbryTx.claim_id + "/" + msg.name;
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// update status
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this.updatePublishStatus('<p>Your publish is complete! You are being redirected to it now.</p>');
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this.updateUploadPercent('<p><a class="link--primary" target="_blank" href="' + showUrl + '">If you do not get redirected, click here.</a></p>')
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// redirect the user
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window.location.href = showUrl;
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},
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hidePublishTools: function () {
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const publishFormWrapper = document.getElementById('publish-form');
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publishFormWrapper.setAttribute('class', 'hidden');
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},
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// publish status functions
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showPublishStatus: function () {
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const publishStatus = document.getElementById('publish-status');
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publishStatus.setAttribute('class', 'row row--tall flex-container--column flex-container--center-center');
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},
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updatePublishStatus: function (msg){
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const publishUpdate = document.getElementById('publish-update');
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publishUpdate.innerHTML = msg;
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},
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// progress bar functions
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showPublishProgressBar: function (){
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const publishProgressBar = document.getElementById('publish-progress-bar');
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createProgressBar(publishProgressBar, 12);
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},
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hidePublishProgressBar: function (){
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const publishProgressBar = document.getElementById('publish-progress-bar');
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publishProgressBar.hidden = true;
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},
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// upload percent functions
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updateUploadPercent: function (msg){
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const uploadPercent = document.getElementById('upload-percent');
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uploadPercent.innerHTML = msg;
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},
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hideUploadPercent: function (){
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const uploadPercent = document.getElementById('upload-percent');
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uploadPercent.hidden = true;
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},
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}
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