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server.js
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server.js
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var express = require('express')
, app = express.createServer();
var redis = require('redis');
var client = redis.createClient();
var querystring = require('querystring');
var typeList;
client.smembers("alcoholType", function(err, tempTypeList){
typeList = tempTypeList;
});
app.use(express.bodyParser());
var get20results = function(filter, page, next){
client.zrange("alcohol", 0+(20*(page-2)), 20+(20*(page-2)), function(err, data){
var validData = [];
//Can make this for async
for (var i = 0; i < data.length; i++) {
data[i] = querystring.parse(data[i], ';', ':');
if (filter !== 'All') {
if (data[i].Type.search(filter) !== -1) {
validData.push(data[i]);
if (validData.length === 20) {
break;
}
}
} else {
validData.push(data[i]);
}
}
next(validData);
});
};
app.get('/', function(req, res){
if (!req.query.page) {
req.query.page = 2;
} else {
if (req.query.page < 2){
req.query.page = 2;
} else {
req.query.page++;
}
}
if (!req.query.filterQuery) {
req.query.filterQuery = 'All';
}
get20results(req.query.filterQuery, req.query.page, function(data){
res.render('./index.jade', {
layout: false
, lastQuery: req.query.filterQuery
, typeList: typeList
, list_from_database: data
, nextPage: querystring.stringify(req.query, '&', '=')
});
});
});
app.listen(8005);