fipamo/brain/data/Render.js

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import * as DataEvent from '../../src/com/events/DataEvent';
import StringUtils from '../../src/com/utils/StringUtils';
import Settings, { SETTINGS_FILE, SETTINGS_TAG } from './Settings';
import fs from 'fs-extra';
import sanitize from 'sanitize-html';
const pug = require('pug');
const md = require('markdown-it')('commonmark');
const _ = require('lodash');
const moment = require('moment');
const settings = new Settings();
export default class Render {
//--------------------------
// constructor
//--------------------------
constructor() {}
//--------------------------
// methods
//--------------------------
start() {}
/**
* Renders all pages from markdown to html
* @parameter pages: payload for site pages
* @parameter theme: current theme being used as defined in settings
*/
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publishAll(pages, theme, author) {
return new Promise((resolve, reject) => {
settings
.load(SETTINGS_FILE)
.then(config => {
let response = [];
let count = _.filter(pages, page => {
return page.metadata.deleted === false && page.metadata.published === true;
}).length;
let rendered = 0;
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let display_count = 0;
let recent = [];
for (let index = 0; index < pages.length; index++) {
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pages.sort((a, b) => parseFloat(b.metadata.id) - parseFloat(a.metadata.id));
const page = pages[index];
if (page.metadata.deleted === false && page.metadata.published === true) {
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if (recent.length < config.global.display_limit) {
recent.push({
title: page.metadata.title,
slug: page.metadata.slug,
feature: page.metadata.feature,
created: moment(page.metadata.created).fromNow(),
path: page.metadata.path
});
display_count = ++display_count;
}
let writeFile, template;
let path =
'public/' +
moment(page.metadata.created).format('YYYY') +
'/' +
moment(page.metadata.created).format('MM') +
'/';
if (page.metadata.layout === 'index') {
template = 'content/themes/' + theme + '/index.pug';
writeFile = 'public/index.html';
} else {
writeFile = path + page.metadata.slug + '.html';
template = 'content/themes/' + theme + '/page.pug';
}
let buffed = sanitize(page.content, {
allowedTags: ['del', 'a', 'iframe', 'img'],
allowedAttributes: {
a: ['href', 'name', 'target'],
img: ['src'],
iframe: [
'height',
'width',
'src',
'frameborder',
'allow',
'allowfullscreen'
]
}
});
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let bag = page.metadata.tags.split(',');
let tags = [];
for (let index = 0; index < bag.length; index++) {
let tag = bag[index].trim();
tags.push({
label: bag[index],
slug: new StringUtils().cleanString(tag)
});
}
buffed = new StringUtils().decodeHTML(buffed);
let html = md.render(buffed, { html: true, xhtmlOut: true });
let file = pug.renderFile(template, {
title: page.metadata.title,
default_bg: page.metadata.feature,
content: html,
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tags: tags,
menu: config.menu,
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recent_posts: recent,
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meta: {
who: author,
when: moment(page.metadata.created).fromNow(),
tags: tags
},
welcome_message: page.metadata.title
});
fs.ensureDir(path).then(() => {
fs.writeFile(writeFile, file, err => {
// throws an error, you could also catch it here
if (err) {
response = {
type: DataEvent.PAGES_NOT_RENDERED,
message: err
};
reject(response);
}
// success case, the file was saved
});
});
rendered = ++rendered;
if (rendered === count) {
response = {
type: DataEvent.PAGES_RENDERED,
message: 'All Pages Rendered. Sweet.'
};
resolve(response);
}
} else {
if (count === 0) {
response = {
type: DataEvent.PAGES_RENDERED,
message: 'No page rendering needed'
};
resolve(response);
}
//check to see if deleted pages have been renderered and delete them
if (page.metadata.layout !== 'index') {
fs.unlink(
'public/' +
page.metadata.path +
'/' +
page.metadata.slug +
'.html'
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)
.then()
.catch(() => {
//console.log('ERROR', err);
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});
}
}
}
})
.catch(err => {
reject(err);
});
});
}
publishTags(pages) {
let self = this;
return new Promise((resolve, reject) => {
self.loadRenderData()
.then(result => {
let tags = result.tags.tags;
let renderList = [];
for (let index = 0; index < tags.length; index++) {
let tag = tags[index];
//console.log('**TAG**', tag.tag_name);
var pageList = [];
for (let i = 0; i < pages.length; i++) {
let page = pages[i];
//TODO: filter for deleted and unpublished pages
if (_.includes(page.metadata.tags, tag.tag_name)) {
pageList.push({
title: page.metadata.title,
slug: page.metadata.slug
});
}
}
renderList.push({ tag: tag.tag_name, tag_list: pageList, slug: tag.slug });
}
let response = [];
for (let index = 0; index < renderList.length; index++) {
let item = renderList[index];
let file = pug.renderFile(
'content/themes/' + result.settings.global.theme + '/tags.pug',
{
title: item.tag,
default_bg: result.settings.global.background,
content_tags: 'THESE ARE TAGS',
tag_list: item.tag_list,
menu: result.settings.menu
}
);
fs.ensureDir('public/tags', () => {
fs.writeFile('public/tags/' + item.slug + '.html', file, err => {
// throws an error, you could also catch it here
if (err) {
response = {
type: DataEvent.TAG_PAGES_NOT_RENDERED,
message: err
};
reject(response);
}
// success case, the file was saved
response = {
type: DataEvent.TAG_PAGES_RENDERED,
message: 'Tag Pages ready to go. Good job.'
};
resolve(response);
});
});
}
})
.catch(err => {
reject(err);
});
});
}
publishArchive(archive) {
settings
.load(SETTINGS_FILE)
.then(settings => {
let file = pug.renderFile(
'content/themes/' + settings.global.theme + '/archive.pug',
{
title: 'ARCHIVES',
default_bg: settings.global.background,
content_tags: 'COLD STORAGE',
archives: archive,
menu: settings.menu
}
);
fs.writeFile('public/archives.html', file, err => {
// throws an error, you could also catch it here
if (err) {
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//console.log('ERROR', err);
//response = { type: DataEvent.TAG_PAGES_NOT_RENDERED, message: err };
}
// success case, the file was saved
});
})
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.catch(() => {
//console.log(err);
});
}
loadRenderData() {
return new Promise((resolve, reject) => {
let getSettings = settings.load(SETTINGS_FILE);
let getTags = settings.load(SETTINGS_TAG);
Promise.all([getSettings, getTags])
.then(result => {
const [settings, tags] = result;
let data = { settings: settings, tags: tags };
resolve(data);
})
.catch(err => {
reject(err);
});
});
}
//--------------------------
// event handlers
//--------------------------
}