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Cache data based on request type #7

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Cache data based on request type #7

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11 changes: 9 additions & 2 deletions index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -7,8 +7,14 @@ module.exports = {
});
},

// Use renderType from query params to differentiate cache keys (otherwise we return the same content for different render types)
getCacheKey: function(req) {
return req.prerender.url + '-' + (req.query.renderType || 'default');
},

requestReceived: function(req, res, next) {
this.cache.get(req.prerender.url, function (err, result) {
var key = this.getCacheKey(req);
this.cache.get(key, function (err, result) {
if (!err && result) {
req.prerender.cacheHit = true;
res.send(200, result);
Expand All @@ -20,7 +26,8 @@ module.exports = {

beforeSend: function(req, res, next) {
if (!req.prerender.cacheHit && req.prerender.statusCode == 200) {
this.cache.set(req.prerender.url, req.prerender.content);
var key = this.getCacheKey(req);
this.cache.set(key, req.prerender.content);
}
next();
}
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