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"use strict";
const { articles_url } = require("../../constants");
const { fetchjson, fetchtext } = require("../lib/fetch");
const objectHtmlRenderer = require("../lib/object-html-renderer");
const ImageCarousel = require("./image-carousel");
class Articles {
constructor() {
this.id = performance.now().toString();
this.state = {
loading: true,
articles: [],
showArticleIndex: -1,
};
this.loadArticles();
}
loadArticles() {
fetchjson(`${articles_url}/index.json`)
.then(json => {
Promise.all(
json.map(async articlePath => {
const art = await fetchjson(`${articles_url}/${articlePath}`);
const tmpSplit = articlePath.split("/");
tmpSplit.pop();
const absArtPath = `${articles_url}/${tmpSplit.join("/")}`;
return Object.assign(art, { path: absArtPath });
})
)
.then(articles => this.setArticles(articles))
.catch(e => console.log(e));
})
.catch(e => console.log(e));
}
async setArticles(articles) {
for (const article of articles) {
if (article.content_text.indexOf("<file>") !== -1) {
const txtPath = article.content_text.replace("<file>", "");
const txtValue = await fetchtext(`${article.path}/${txtPath}`);
article.content_text = txtValue;
}
article.date = new Date(article.date);
}
this.state.articles = articles.sort((a, b) => a.date - b.date);
this.state.showArticleIndex = this.state.articles.length - 1;
this.refresh();
}
refresh() {
objectHtmlRenderer.subRender(this.render(), document.getElementById(this.id), {
mode: "replace",
});
}
getArticleDate(date) {
return `${date.getDate()}-${date.getMonth() + 1}-${date.getFullYear()}`;
}
getArticleBody(text) {
return text
.split(" ")
.map(word => {
if (word.includes("http://") || word.includes("https://")) {
const splitword = word.split("||");
const href = splitword[0];
const text = splitword.length > 1 ? splitword[1] : href;
return `<a href=${href} target="_blank">${text}</a>`;
} else return word;
})
.join(" ")
.replaceAll("\n", "<br/>");
}
renderArticle(articleData) {
return {
tag: "article",
contents: [
{
tag: "div",
class: "date",
contents: [{ tag: "span", contents: this.getArticleDate(articleData.date) }],
},
{
tag: "div",
class: "title",
contents: [
{
tag: "h3",
contents: articleData.title,
},
],
},
{
tag: "div",
class: "subtitle",
contents: [
{
tag: "strong",
contents: articleData.subtitle,
},
],
},
{
tag: "div",
class: "body",
contents: [
{
tag: "p",
contents: this.getArticleBody(articleData.content_text),
},
],
},
new ImageCarousel({
images: articleData.images.map(img => `${articleData.path}/images/${img}`),
}).render(),
],
};
}
renderArticlePlaceholder() {
return {
tag: "article",
class: "article-placeholder page-contents-center",
contents: [
{ tag: "div", class: "date" },
{ tag: "div", class: "title" },
{ tag: "div", class: "subtitle" },
{ tag: "div", class: "body" },
{ tag: "div", class: "image" },
],
};
}
handleChangeArticle(dir) {
let { showArticleIndex, articles } = this.state;
showArticleIndex =
dir === "prev"
? showArticleIndex - 1 >= 0
? showArticleIndex - 1
: 0
: showArticleIndex + 1 <= articles.length - 1
? showArticleIndex + 1
: articles.length - 1;
this.state.showArticleIndex = showArticleIndex;
this.refresh();
}
render() {
const { articles, showArticleIndex } = this.state,
showNext = showArticleIndex < articles.length - 1,
showPrev = showArticleIndex > 0;
return {
tag: "div",
id: this.id,
class: "articles-displayer page-contents-center",
contents:
articles.length > 0
? [
{
tag: "button",
class: `prev-btn ${!showPrev ? "disabled" : "active"}`,
onclick: this.handleChangeArticle.bind(this, "prev"),
},
this.renderArticle(articles[showArticleIndex]),
{
tag: "button",
class: `next-btn ${!showNext ? "disabled" : "active"}`,
onclick: this.handleChangeArticle.bind(this, "next"),
},
]
: [this.renderArticlePlaceholder()],
};
}
}
module.exports = Articles;