BookStack Code Mirror - bookstack/blob - resources/js/components/page-comments.js

   1 import MarkdownIt from "markdown-it";
   2 import {scrollAndHighlightElement} from "../services/util";
   3
   4 const md = new MarkdownIt({ html: false });
   5
   6 class PageComments {
   7
   8     constructor(elem) {
   9         this.elem = elem;
  10         this.pageId = Number(elem.getAttribute('page-id'));
  11         this.editingComment = null;
  12         this.parentId = null;
  13
  14         this.container = elem.querySelector('[comment-container]');
  15         this.formContainer = elem.querySelector('[comment-form-container]');
  16
  17         if (this.formContainer) {
  18             this.form = this.formContainer.querySelector('form');
  19             this.formInput = this.form.querySelector('textarea');
  20             this.form.addEventListener('submit', this.saveComment.bind(this));
  21         }
  22
  23         this.elem.addEventListener('click', this.handleAction.bind(this));
  24         this.elem.addEventListener('submit', this.updateComment.bind(this));
  25     }
  26
  27     handleAction(event) {
  28         let actionElem = event.target.closest('[action]');
  29         if (event.target.matches('a[href^="#"]')) {
  30             const id = event.target.href.split('#')[1];
  31             scrollAndHighlightElement(document.querySelector('#' + id));
  32         }
  33         if (actionElem === null) return;
  34         event.preventDefault();
  35
  36         let action = actionElem.getAttribute('action');
  37         if (action === 'edit') this.editComment(actionElem.closest('[comment]'));
  38         if (action === 'closeUpdateForm') this.closeUpdateForm();
  39         if (action === 'delete') this.deleteComment(actionElem.closest('[comment]'));
  40         if (action === 'addComment') this.showForm();
  41         if (action === 'hideForm') this.hideForm();
  42         if (action === 'reply') this.setReply(actionElem.closest('[comment]'));
  43         if (action === 'remove-reply-to') this.removeReplyTo();
  44     }
  45
  46     closeUpdateForm() {
  47         if (!this.editingComment) return;
  48         this.editingComment.querySelector('[comment-content]').style.display = 'block';
  49         this.editingComment.querySelector('[comment-edit-container]').style.display = 'none';
  50     }
  51
  52     editComment(commentElem) {
  53         this.hideForm();
  54         if (this.editingComment) this.closeUpdateForm();
  55         commentElem.querySelector('[comment-content]').style.display = 'none';
  56         commentElem.querySelector('[comment-edit-container]').style.display = 'block';
  57         let textArea = commentElem.querySelector('[comment-edit-container] textarea');
  58         let lineCount = textArea.value.split('\n').length;
  59         textArea.style.height = ((lineCount * 20) + 40) + 'px';
  60         this.editingComment = commentElem;
  61     }
  62
  63     updateComment(event) {
  64         let form = event.target;
  65         event.preventDefault();
  66         let text = form.querySelector('textarea').value;
  67         let reqData = {
  68             text: text,
  69             html: md.render(text),
  70             parent_id: this.parentId || null,
  71         };
  72         this.showLoading(form);
  73         let commentId = this.editingComment.getAttribute('comment');
  74         window.$http.put(window.baseUrl(`/ajax/comment/${commentId}`), reqData).then(resp => {
  75             let newComment = document.createElement('div');
  76             newComment.innerHTML = resp.data;
  77             this.editingComment.innerHTML = newComment.children[0].innerHTML;
  78             window.$events.emit('success', window.trans('entities.comment_updated_success'));
  79             window.components.init(this.editingComment);
  80             this.closeUpdateForm();
  81             this.editingComment = null;
  82             this.hideLoading(form);
  83         });
  84     }
  85
  86     deleteComment(commentElem) {
  87         let id = commentElem.getAttribute('comment');
  88         this.showLoading(commentElem.querySelector('[comment-content]'));
  89         window.$http.delete(window.baseUrl(`/ajax/comment/${id}`)).then(resp => {
  90             commentElem.parentNode.removeChild(commentElem);
  91             window.$events.emit('success', window.trans('entities.comment_deleted_success'));
  92             this.updateCount();
  93             this.hideForm();
  94         });
  95     }
  96
  97     saveComment(event) {
  98         event.preventDefault();
  99         event.stopPropagation();
 100         let text = this.formInput.value;
 101         let reqData = {
 102             text: text,
 103             html: md.render(text),
 104             parent_id: this.parentId || null,
 105         };
 106         this.showLoading(this.form);
 107         window.$http.post(window.baseUrl(`/ajax/page/${this.pageId}/comment`), reqData).then(resp => {
 108             let newComment = document.createElement('div');
 109             newComment.innerHTML = resp.data;
 110             let newElem = newComment.children[0];
 111             this.container.appendChild(newElem);
 112             window.components.init(newElem);
 113             window.$events.emit('success', window.trans('entities.comment_created_success'));
 114             this.resetForm();
 115             this.updateCount();
 116         });
 117     }
 118
 119     updateCount() {
 120         let count = this.container.children.length;
 121         this.elem.querySelector('[comments-title]').textContent = window.trans_choice('entities.comment_count', count, {count});
 122     }
 123
 124     resetForm() {
 125         this.formInput.value = '';
 126         this.formContainer.appendChild(this.form);
 127         this.hideForm();
 128         this.removeReplyTo();
 129         this.hideLoading(this.form);
 130     }
 131
 132     showForm() {
 133         this.formContainer.style.display = 'block';
 134         this.formContainer.parentNode.style.display = 'block';
 135         this.elem.querySelector('[comment-add-button-container]').style.display = 'none';
 136         this.formInput.focus();
 137         this.formInput.scrollIntoView({behavior: "smooth"});
 138     }
 139
 140     hideForm() {
 141         this.formContainer.style.display = 'none';
 142         this.formContainer.parentNode.style.display = 'none';
 143         const addButtonContainer = this.elem.querySelector('[comment-add-button-container]');
 144         if (this.getCommentCount() > 0) {
 145             this.elem.appendChild(addButtonContainer)
 146         } else {
 147             const countBar = this.elem.querySelector('[comment-count-bar]');
 148             countBar.appendChild(addButtonContainer);
 149         }
 150         addButtonContainer.style.display = 'block';
 151     }
 152
 153     getCommentCount() {
 154         return this.elem.querySelectorAll('.comment-box[comment]').length;
 155     }
 156
 157     setReply(commentElem) {
 158         this.showForm();
 159         this.parentId = Number(commentElem.getAttribute('local-id'));
 160         this.elem.querySelector('[comment-form-reply-to]').style.display = 'block';
 161         let replyLink = this.elem.querySelector('[comment-form-reply-to] a');
 162         replyLink.textContent = `#${this.parentId}`;
 163         replyLink.href = `#comment${this.parentId}`;
 164     }
 165
 166     removeReplyTo() {
 167         this.parentId = null;
 168         this.elem.querySelector('[comment-form-reply-to]').style.display = 'none';
 169     }
 170
 171     showLoading(formElem) {
 172         let groups = formElem.querySelectorAll('.form-group');
 173         for (let i = 0, len = groups.length; i < len; i++) {
 174             groups[i].style.display = 'none';
 175         }
 176         formElem.querySelector('.form-group.loading').style.display = 'block';
 177     }
 178
 179     hideLoading(formElem) {
 180         let groups = formElem.querySelectorAll('.form-group');
 181         for (let i = 0, len = groups.length; i < len; i++) {
 182             groups[i].style.display = 'block';
 183         }
 184         formElem.querySelector('.form-group.loading').style.display = 'none';
 185     }
 186
 187 }
 188
 189 export default PageComments;