mirror of
https://github.com/TryGhost/Ghost-Admin.git
synced 2023-12-14 02:33:04 +01:00
604fda4348
no issue - updates `package.json` details to better reflect the separation from the `Ghost` package - update ember config and all import statements to reflect the new `ghost-admin` module name in `package.json`
161 lines
4.2 KiB
JavaScript
161 lines
4.2 KiB
JavaScript
import Ember from 'ember';
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import { invoke, invokeAction } from 'ember-invoke-action';
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import {
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RequestEntityTooLargeError,
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UnsupportedMediaTypeError
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} from 'ghost-admin/services/ajax';
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const {
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Component,
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computed,
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inject: {service},
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isBlank,
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run
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} = Ember;
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export default Component.extend({
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tagName: 'section',
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classNames: ['gh-image-uploader'],
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classNameBindings: ['dragClass'],
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labelText: 'Select or drag-and-drop a file',
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url: null,
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paramName: 'file',
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file: null,
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response: null,
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dragClass: null,
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failureMessage: null,
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uploadPercentage: 0,
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ajax: service(),
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formData: computed('file', function () {
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let paramName = this.get('paramName');
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let file = this.get('file');
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let formData = new FormData();
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formData.append(paramName, file);
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return formData;
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}),
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progressStyle: computed('uploadPercentage', function () {
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let percentage = this.get('uploadPercentage');
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let width = '';
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if (percentage > 0) {
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width = `${percentage}%`;
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} else {
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width = '0';
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}
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return Ember.String.htmlSafe(`width: ${width}`);
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}),
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dragOver(event) {
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if (!event.dataTransfer) {
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return;
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}
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// this is needed to work around inconsistencies with dropping files
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// from Chrome's downloads bar
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let eA = event.dataTransfer.effectAllowed;
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event.dataTransfer.dropEffect = (eA === 'move' || eA === 'linkMove') ? 'move' : 'copy';
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event.stopPropagation();
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event.preventDefault();
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this.set('dragClass', '--drag-over');
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},
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dragLeave(event) {
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event.preventDefault();
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this.set('dragClass', null);
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},
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drop(event) {
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event.preventDefault();
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this.set('dragClass', null);
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if (event.dataTransfer.files) {
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invoke(this, 'fileSelected', event.dataTransfer.files);
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}
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},
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generateRequest() {
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let ajax = this.get('ajax');
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let formData = this.get('formData');
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let url = this.get('url');
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invokeAction(this, 'uploadStarted');
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ajax.post(url, {
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data: formData,
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processData: false,
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contentType: false,
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dataType: 'text',
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xhr: () => {
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let xhr = new window.XMLHttpRequest();
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xhr.upload.addEventListener('progress', (event) => {
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this._uploadProgress(event);
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}, false);
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return xhr;
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}
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}).then((response) => {
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this._uploadSuccess(JSON.parse(response));
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}).catch((error) => {
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this._uploadFailed(error);
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}).finally(() => {
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invokeAction(this, 'uploadFinished');
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});
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},
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_uploadProgress(event) {
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if (event.lengthComputable) {
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run(() => {
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let percentage = Math.round((event.loaded / event.total) * 100);
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this.set('uploadPercentage', percentage);
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});
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}
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},
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_uploadSuccess(response) {
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invokeAction(this, 'uploadSuccess', response);
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invoke(this, 'reset');
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},
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_uploadFailed(error) {
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let message;
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if (error instanceof UnsupportedMediaTypeError) {
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message = 'The file type you uploaded is not supported.';
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} else if (error instanceof RequestEntityTooLargeError) {
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message = 'The file you uploaded was larger than the maximum file size your server allows.';
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} else if (error.errors && !isBlank(error.errors[0].message)) {
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message = error.errors[0].message;
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} else {
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message = 'Something went wrong :(';
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}
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this.set('failureMessage', message);
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invokeAction(this, 'uploadFailed', error);
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},
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actions: {
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fileSelected(fileList) {
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this.set('file', fileList[0]);
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run.schedule('actions', this, function () {
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this.generateRequest();
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});
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},
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reset() {
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this.set('file', null);
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this.set('uploadPercentage', 0);
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this.set('failureMessage', null);
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}
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}
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});
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