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Further work on localization

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This commit is contained in:
Tomas Bures 2018-12-15 15:15:48 +01:00
parent fa451fc8da
commit cb1fc5b28d
35 changed files with 430 additions and 2796 deletions
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54
server/lib/tools.js
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@ -19,17 +19,34 @@ const he = require('he');
const fs = require('fs-extra');
const { JSDOM } = require('jsdom');
const { tUI, tLog } = require('./translate');
const { tUI, tLog, getLangCodeFromExpressLocale } = require('./translate');
const templates = new Map();
async function getTemplate(template) {
async function getLocalizedFile(basePath, fileName, language) {
try {
const locFn = path.join(basePath, language, fileName);
const stats = await fs.stat(locFn);
if (stats.isFile()) {
return locFn;
}
} catch (err) {
if (err.code !== 'ENOENT') {
throw err;
}
}
return path.join(basePath, fileName)
}
async function getTemplate(template, locale) {
if (!template) {
return false;
}
const key = (typeof template === 'object') ? hasher.hash(template) : template;
const key = getLangCodeFromExpressLocale(locale) + ':' + ((typeof template === 'object') ? hasher.hash(template) : template);
if (templates.has(key)) {
return templates.get(key);
@ -37,9 +54,9 @@ async function getTemplate(template) {
let source;
if (typeof template === 'object') {
source = await mergeTemplateIntoLayout(template.template, template.layout);
source = await mergeTemplateIntoLayout(template.template, template.layout, locale);
} else {
source = await fs.readFile(path.join(__dirname, '..', 'views', template), 'utf-8');
source = await fs.readFile(await getLocalizedFile(path.join(__dirname, '..', 'views'), template, getLangCodeFromExpressLocale(locale)), 'utf-8');
}
if (template.type === 'mjml') {
@ -53,17 +70,35 @@ async function getTemplate(template) {
}
const renderer = hbs.handlebars.compile(source);
templates.set(key, renderer);
return renderer;
const localizedRenderer = (data, options) => {
if (!options) {
options = {};
}
if (!options.helpers) {
options.helpers = {};
}
options.helpers.translate = function (opts) { // eslint-disable-line prefer-arrow-callback
const result = tUI(opts.fn(this), locale, opts.hash); // eslint-disable-line no-invalid-this
return new hbs.handlebars.SafeString(result);
};
return renderer(data, options);
};
templates.set(key, localizedRenderer);
return localizedRenderer;
}
async function mergeTemplateIntoLayout(template, layout) {
async function mergeTemplateIntoLayout(template, layout, locale) {
layout = layout || '{{{body}}}';
async function readFile(relPath) {
return await fs.readFile(path.join(__dirname, '..', 'views', relPath), 'utf-8');
return await fs.readFile(await getLocalizedFile(path.join(__dirname, '..', 'views'), relPath, getLangCodeFromExpressLocale(locale)), 'utf-8');
}
// Please dont end your custom messages with .hbs ...
@ -184,7 +219,6 @@ function getMessageLinks(campaign, list, subscription) {
module.exports = {
validateEmail,
validateEmailGetMessage,
mergeTemplateIntoLayout,
getTemplate,
prepareHtml,
getMessageLinks,