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Clean up some code and move document stores into subfolder

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This commit is contained in:
John Crepezzi 2012-01-21 15:19:55 -05:00
parent 483fce891d
commit f37d1ad401
10 changed files with 92 additions and 44 deletions
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73
lib/redis_document_store.js
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@ -1,73 +0,0 @@
var redis = require('redis');
var winston = require('winston');
// For storing in redis
// options[type] = redis
// options[host] - The host to connect to (default localhost)
// options[port] - The port to connect to (default 5379)
// options[db] - The db to use (default 0)
// options[expire] - The time to live for each key set (default never)
var RedisDocumentStore = function(options) {
this.expire = options.expire;
if (!RedisDocumentStore.client) {
RedisDocumentStore.connect(options);
}
};
// Create a connection according to config
RedisDocumentStore.connect = function(options) {
var host = options.host || '127.0.0.1';
var port = options.port || 6379;
var index = options.db || 0;
RedisDocumentStore.client = redis.createClient(port, host);
RedisDocumentStore.client.select(index, function(err, reply) {
if (err) {
winston.error('error connecting to redis index ' + index, { error: err.message });
process.exit(1);
}
else {
winston.info('connected to redis on ' + host + ':' + port + '/' + index);
}
});
};
// Save file in a key
RedisDocumentStore.prototype.set = function(key, data, callback, skipExpire) {
var _this = this;
RedisDocumentStore.client.set(key, data, function(err, reply) {
if (err) {
callback(false);
}
else {
if (!skipExpire) {
_this.setExpiration(key);
}
callback(true);
}
});
};
// Expire a key in expire time if set
RedisDocumentStore.prototype.setExpiration = function(key) {
if (this.expire) {
RedisDocumentStore.client.expire(key, this.expire, function(err, reply) {
if (err) {
winston.error('failed to set expiry on key: ' + key);
}
});
}
};
// Get a file from a key
RedisDocumentStore.prototype.get = function(key, callback, skipExpire) {
var _this = this;
RedisDocumentStore.client.get(key, function(err, reply) {
if (!err && !skipExpire) {
_this.setExpiration(key);
}
callback(err ? false : reply);
});
};
module.exports = RedisDocumentStore;