organize dbal sorted code

src/database/mongo/sorted/add.js

@@ -0,0 +1,65 @@
+'use strict';
+
+module.exports = function (db, module) {
+
+	var helpers = module.helpers.mongo;
+
+	module.sortedSetAdd = function (key, score, value, callback) {
+		callback = callback || helpers.noop;
+		if (!key) {
+			return callback();
+		}
+		if (Array.isArray(score) && Array.isArray(value)) {
+			return sortedSetAddBulk(key, score, value, callback);
+		}
+
+		value = helpers.valueToString(value);
+
+		db.collection('objects').update({_key: key, value: value}, {$set: {score: parseFloat(score)}}, {upsert:true, w: 1}, function (err) {
+			if (err && err.message.startsWith('E11000 duplicate key error')) {
+				return process.nextTick(module.sortedSetAdd, key, score, value, callback);
+			}
+			callback(err);
+		});
+	};
+
+	function sortedSetAddBulk(key, scores, values, callback) {
+		if (!scores.length || !values.length) {
+			return callback();
+		}
+		if (scores.length !== values.length) {
+			return callback(new Error('[[error:invalid-data]]'));
+		}
+
+		values = values.map(helpers.valueToString);
+
+		var bulk = db.collection('objects').initializeUnorderedBulkOp();
+
+		for(var i = 0; i < scores.length; ++i) {
+			bulk.find({_key: key, value: values[i]}).upsert().updateOne({$set: {score: parseFloat(scores[i])}});
+		}
+
+		bulk.execute(function (err) {
+			callback(err);
+		});
+	}
+
+	module.sortedSetsAdd = function (keys, score, value, callback) {
+		callback = callback || helpers.noop;
+		if (!Array.isArray(keys) || !keys.length) {
+			return callback();
+		}
+		value = helpers.valueToString(value);
+
+		var bulk = db.collection('objects').initializeUnorderedBulkOp();
+
+		for(var i = 0; i < keys.length; ++i) {
+			bulk.find({_key: keys[i], value: value}).upsert().updateOne({$set: {score: parseFloat(score)}});
+		}
+
+		bulk.execute(function (err) {
+			callback(err);
+		});
+	};
+
+};