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redis helpers

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This commit is contained in:
barisusakli
2015-01-22 16:21:32 -05:00
parent 0bf98b5494
commit 2c45dc6450
4 changed files with 68 additions and 123 deletions
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58
src/database/redis/sorted.js
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@@ -1,6 +1,9 @@
"use strict";
module.exports = function(redisClient, module) {
var helpers = module.helpers.redis;
module.sortedSetAdd = function(key, score, value, callback) {
callback = callback || function() {};
if (Array.isArray(score) && Array.isArray(value)) {
@@ -49,17 +52,14 @@ module.exports = function(redisClient, module) {
if (!Array.isArray(value)) {
value = [value];
}
var multi = redisClient.multi();
for(var i=0; i<value.length; ++i) {
multi.zrem(key, value[i]);
}
multi.exec(function(err) {
helpers.multiKeyValues(redisClient, 'zrem', key, value, function(err, result) {
callback(err);
});
};
module.sortedSetsRemove = function(keys, value, callback) {
multi('zrem', keys, value, function(err) {
helpers.multiKeysValue(redisClient, 'zrem', keys, value, function(err, result) {
callback(err);
});
};
@@ -70,7 +70,7 @@ module.exports = function(redisClient, module) {
for(var i=0; i<keys.length; ++i) {
multi.zremrangebyscore(keys[i], min, max);
}
multi.exec(function(err) {
multi.exec(function(err, result) {
callback(err);
});
};
@@ -181,15 +181,11 @@ module.exports = function(redisClient, module) {
};
module.sortedSetsScore = function(keys, value, callback) {
multi('zscore', keys, value, callback);
helpers.multiKeysValue(redisClient, 'zscore', keys, value, callback);
};
module.sortedSetScores = function(key, values, callback) {
var multi = redisClient.multi();
for(var i=0; i<values.length; ++i) {
multi.zscore(key, values[i]);
}
multi.exec(callback);
helpers.multiKeyValues(redisClient, 'zscore', key, values, callback);
};
module.isSortedSetMember = function(key, value, callback) {
@@ -199,34 +195,20 @@ module.exports = function(redisClient, module) {
};
module.isSortedSetMembers = function(key, values, callback) {
var multi = redisClient.multi();
for (var i=0; i<values.length; ++i) {
multi.zscore(key, values[i]);
}
multi.exec(function(err, results) {
helpers.multiKeyValues(redisClient, 'zscore', key, values, function(err, results) {
if (err) {
return callback(err);
}
results = results.map(function(score) {
return !!score;
});
callback(null, results);
callback(null, results.map(Boolean));
});
};
module.isMemberOfSortedSets = function(keys, value, callback) {
var multi = redisClient.multi();
for (var i=0; i<keys.length; ++i) {
multi.zscore(keys[i], value);
}
multi.exec(function(err, results) {
helpers.multiKeysValue(redisClient, 'zscore', keys, value, function(err, results) {
if (err) {
return callback(err);
}
results = results.map(function(score) {
return !!score;
});
callback(null, results);
callback(null, results.map(Boolean));
});
};
@@ -235,21 +217,9 @@ module.exports = function(redisClient, module) {
for (var i=0; i<keys.length; ++i) {
multi.zrange(keys[i], 0, -1);
}
multi.exec(function(err, results) {
callback(err, results);
});
multi.exec(callback);
};
function multi(command, keys, value, callback) {
var m = redisClient.multi();
for(var x=0; x<keys.length; ++x) {
m[command](keys[x], value);
}
m.exec(callback);
}
module.getSortedSetUnion = function(sets, start, stop, callback) {
sortedSetUnion(sets, false, start, stop, callback);
};