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

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