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46 lines
1.1 KiB
JavaScript
46 lines
1.1 KiB
JavaScript
'use strict';
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var path = require('path');
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var fs = require('fs');
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var async = require('async');
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var file = require('../../file');
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var themesController = module.exports;
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var defaultScreenshotPath = path.join(__dirname, '../../../public/images/themes/default.png');
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themesController.get = function (req, res, next) {
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var themeDir = path.join(__dirname, '../../../node_modules', req.params.theme);
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var themeConfigPath = path.join(themeDir, 'theme.json');
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var screenshotPath;
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async.waterfall([
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function (next) {
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file.exists(themeConfigPath, next);
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},
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function (exists, next) {
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if (!exists) {
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return next(Error('invalid-data'));
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}
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fs.readFile(themeConfigPath, next);
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},
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function (themeConfig, next) {
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try {
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themeConfig = JSON.parse(themeConfig);
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next(null, themeConfig.screenshot ? path.join(themeDir, themeConfig.screenshot) : defaultScreenshotPath);
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} catch (e) {
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next(e);
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}
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},
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function (_screenshotPath, next) {
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screenshotPath = _screenshotPath;
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file.exists(screenshotPath, next);
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},
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function (exists) {
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res.sendFile(exists ? screenshotPath : defaultScreenshotPath);
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},
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], next);
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};
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