function sectionCache(req, res, cacheKey, section, templateName, layoutConfig, theme, next) {
calipso.cacheService.check(cacheKey, function (err, isCached) {
if (isCached) {
calipso.silly("Cache hit for " + cacheKey + ", section " + section);
calipso.cacheService.get(cacheKey, function (err, cache) {
if (!err) {
res.bufferedOutput[section] = cache.content;
}
next(err);
});
} else {
calipso.silly("Cache miss for " + cacheKey + ", section " + section);
processSection(req, res, section, templateName, layoutConfig, theme, function (err) {
if (!err) {
var content = res.bufferedOutput[section];
calipso.cacheService.set(cacheKey, {
content:content
}, null, next);
} else {
next(err);
}
});
}
});
}
processSection(req, res, section, templateName, layoutConfig, theme, function (err) {
if (!err) {
var content = res.bufferedOutput[section];
calipso.cacheService.set(cacheKey, {
content:content
}, null, next);
} else {
next(err);
}
});
RenderedBlocks.prototype.set = function (block, content, layout, params, next) {
var cacheKey = calipso.cacheService.getCacheKey(['block', block], params);
this.content[block] = this.content[block] || [];
this.content[block].push(content);
// If we are caching, then cache it.
if (this.contentCache[block]) {
calipso.silly("Cache set for " + cacheKey);
this.cache.set(cacheKey, {
content:content,
layout:layout
}, null, next);
} else {
next();
}
};
function processTheme(req, res, layout, theme, next) {
var layoutConfig, copyConfig, copySection, sectionExists, disable, sections = [],
section;
delete res.bufferedOutput;
res.bufferedOutput = {};
// Scan through each layout
try {
layoutConfig = theme.config.layouts[layout].layout;
} catch (ex) {
next(ex.message);
return;
}
// Check to see if this layout copies default
if (layoutConfig.copyFrom && layout != "default") {
copyConfig = theme.config.layouts[layoutConfig.copyFrom].layout;
layoutConfig.sections = layoutConfig.sections || {};
// Copy over any missing sections from default
for (copySection in copyConfig.sections) {
sectionExists = layoutConfig.sections && layoutConfig.sections[copySection];
disable = layoutConfig.sections && layoutConfig.sections[copySection] && layoutConfig.sections[copySection].disable;
if (!sectionExists && !disable) {
layoutConfig.sections[copySection] = copyConfig.sections[copySection];
layoutConfig.sections[copySection].layout = "default"; // Flag override as below
}
}
}
// Create a section array
for (section in layoutConfig.sections) {
disable = layoutConfig.sections[section].disable;
if (!disable) {
sections.push(section);
}
}
var totalCount = sections.length;
var totalDone = 0;
// Now, process all the sections
// This is done via a localNext to give us full control
// and better ability to debug
function localNext(err) {
totalDone += 1;
if (totalDone == totalCount) {
next();
}
}
for (section in layoutConfig.sections) {
// Check to see if we are overriding
var currentSection = section;
var layoutOverride = layoutConfig.sections[section].layout;
var sectionPath = layoutOverride ? layoutOverride + "." + section : layout + "." + section;
var cache = layoutConfig.sections[section].cache;
var params = layoutConfig.sections[section].varyParams;
var cacheEnabled = calipso.config.get('performance:cache:enabled');
var isAdmin = req.session.user && req.session.user.isAdmin;
disable = layoutConfig.sections[section].disable;
// Sections are cacheable
if (!disable) {
if (cache && cacheEnabled && !isAdmin) {
var keys = [layout, 'section', currentSection];
var cacheKey = calipso.cacheService.getCacheKey(keys, params);
sectionCache(req, res, cacheKey, section, sectionPath, layoutConfig, theme, localNext);
} else {
processSection(req, res, section, sectionPath, layoutConfig, theme, localNext);
}
}
}
}