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101 lines
2.4 KiB
JavaScript

"use strict";
module.exports = function(redisClient, module) {
module.setObject = function(key, data, callback) {
callback = callback || function() {};
redisClient.hmset(key, data, callback);
};
module.setObjectField = function(key, field, value, callback) {
redisClient.hset(key, field, value, callback);
};
module.getObject = function(key, callback) {
redisClient.hgetall(key, callback);
};
module.getObjects = function(keys, callback) {
var multi = redisClient.multi();
for(var x=0; x<keys.length; ++x) {
multi.hgetall(keys[x]);
}
multi.exec(callback);
};
module.getObjectField = function(key, field, callback) {
module.getObjectFields(key, [field], function(err, data) {
if(err) {
return callback(err);
}
callback(null, data[field]);
});
};
module.getObjectFields = function(key, fields, callback) {
module.getObjectsFields([key], fields, function(err, results) {
callback(err, results ? results[0]: null);
});
};
module.getObjectsFields = function(keys, fields, callback) {
if (!Array.isArray(fields) || !fields.length) {
return callback(null, keys.map(function() { return {}; }));
}
var multi = redisClient.multi();
for(var x=0; x<keys.length; ++x) {
multi.hmget.apply(multi, [keys[x]].concat(fields));
}
function makeObject(array) {
var obj = {};
for (var i = 0, ii = fields.length; i < ii; ++i) {
obj[fields[i]] = array[i];
}
return obj;
}
multi.exec(function(err, results) {
if (err) {
return callback(err);
}
results = results.map(makeObject);
callback(null, results);
});
};
module.getObjectKeys = function(key, callback) {
redisClient.hkeys(key, callback);
};
module.getObjectValues = function(key, callback) {
redisClient.hvals(key, callback);
};
module.isObjectField = function(key, field, callback) {
redisClient.hexists(key, field, function(err, exists) {
callback(err, exists === 1);
});
};
module.deleteObjectField = function(key, field, callback) {
redisClient.hdel(key, field, callback);
};
module.incrObjectField = function(key, field, callback) {
redisClient.hincrby(key, field, 1, callback);
};
module.decrObjectField = function(key, field, callback) {
redisClient.hincrby(key, field, -1, callback);
};
module.incrObjectFieldBy = function(key, field, value, callback) {
redisClient.hincrby(key, field, value, callback);
};
};