organize dbal sorted code

src/database/mongo/sorted/remove.js

@@ -0,0 +1,57 @@
+'use strict';
+
+module.exports = function (db, module) {
+
+	var helpers = module.helpers.mongo;
+
+	module.sortedSetRemove = function (key, value, callback) {
+		function done(err) {
+			callback(err);
+		}
+		callback = callback || helpers.noop;
+		if (!key) {
+			return callback();
+		}
+
+		if (Array.isArray(value)) {
+			value = value.map(helpers.valueToString);
+			db.collection('objects').remove({_key: key, value: {$in: value}}, done);
+		} else {
+			value = helpers.valueToString(value);
+			db.collection('objects').remove({_key: key, value: value}, done);
+		}
+	};
+
+	module.sortedSetsRemove = function (keys, value, callback) {
+		callback = callback || helpers.noop;
+		if (!Array.isArray(keys) || !keys.length) {
+			return callback();
+		}
+		value = helpers.valueToString(value);
+
+		db.collection('objects').remove({_key: {$in: keys}, value: value}, function (err) {
+			callback(err);
+		});
+	};
+
+	module.sortedSetsRemoveRangeByScore = function (keys, min, max, callback) {
+		callback = callback || helpers.noop;
+		if (!Array.isArray(keys) || !keys.length) {
+			return callback();
+		}
+		var query = {_key: {$in: keys}};
+
+		if (min !== '-inf') {
+			query.score = {$gte: min};
+		}
+		if (max !== '+inf') {
+			query.score = query.score || {};
+			query.score.$lte = max;
+		}
+
+		db.collection('objects').remove(query, function (err) {
+			callback(err);
+		});
+	};
+
+};