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[Feat] Favorite Posts from Preview Panel #3

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[Feat] Favorite Posts from Preview Panel #3

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48 changes: 45 additions & 3 deletions src/ui/preview_panel.js
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,8 @@ import Tag from "../tag.js";
import _ from "lodash";
import moment from "moment";

let _previewPanelPost = null

export default class PreviewPanel {
static initialize() {
// This is the main content panel that comes before the preview panel.
Expand Down Expand Up @@ -66,10 +68,50 @@ export default class PreviewPanel {

static async update($post) {
const postId = $post.data("id");
const post = await Post.get(postId);
const post = _previewPanelPost = await Post.get(postId);
const html = PreviewPanel.renderPost(post);

$("#ex-preview-panel > div").children().first().replaceWith(html);
const panelParent = $("#ex-preview-panel > div");

let $html = panelParent.children().first();

let favButton = $html.find(".fa-heart").parent();

if (favButton.length > 0) {
favButton[0].removeEventListener('click', PreviewPanel.favoritePost, false);
}

$html.replaceWith(html);
$html = panelParent.children().first();

favButton = $html.find('.fa-heart').parent();
if (favButton.length > 0) {
favButton[0].addEventListener('click', PreviewPanel.favoritePost, false);
}
}

static async favoritePost(e) {
const post = _previewPanelPost;

if (post == null) {
return;
}

e.preventDefault()

let isFav = post.is_favorited;

const type = isFav ? "DELETE" : "POST";
const params = isFav ? {} : { post_id: post.id };
const url = `/favorites${(isFav ? `/${post.id}` : "")}`;

await Post.request(type, url, params);
isFav = post.is_favorited = !isFav; // For future use, incase they unfavorite without changing the post

const remove = isFav ? "far" : "fas";
const add = isFav ? "fas" : "far";

$("#ex-preview-panel > div").children().first().find(".fa-heart").removeClass(remove).addClass(add);
}

static get $panel() {
Expand Down Expand Up @@ -129,7 +171,7 @@ export default class PreviewPanel {
${post.fav_count}

<a href="#">
<i class="far fa-heart" aria-hidden="true"></i>
<i class="fa${(post.is_favorited ? "s" : "r")} fa-heart" aria-hidden="true"></i>
</a>
</span>

Expand Down