Mars Lan 5f5c0937d1 Rename web, backend-service (#490)
* Rename web to wherehows-api and update README.

* Rename backend-service to wherehows-backend

* Rename metadata-etl to wherehows-etl

* Rename hadoop-dataset-extractor-standalone to wherehows-hadoop
2017-07-10 13:42:56 -07:00

56 lines
1.8 KiB
Java

/**
* Copyright 2015 LinkedIn Corp. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*/
package models.daos;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import com.fasterxml.jackson.databind.node.ObjectNode;
import org.apache.commons.lang3.StringUtils;
import play.libs.Json;
import utils.JdbcUtil;
/**
* Created by nvemuri on 6/29/16.
* Modified by nvemuri on 6/29/16.
*/
public class UserDao {
private final static String GET_USERS_WATCHED_DATASET =
"SELECT u.username AS username FROM users u JOIN watch w ON " +
"u.id = w.user_id JOIN dict_dataset d ON w.item_id = d.id " +
"WHERE d.name = :name AND w.item_type = 'dataset' ";
public static ObjectNode getWatchers(String datasetName) {
List<String> watchUsers = new ArrayList<String>();
if (StringUtils.isNotBlank(datasetName)) {
Map<String, Object> params = new HashMap<>();
params.put("name", datasetName);
List<Map<String, Object>> rows = null;
rows = JdbcUtil.wherehowsNamedJdbcTemplate.queryForList(GET_USERS_WATCHED_DATASET, params);
for (Map row : rows) {
String userName = (String) row.get("username");
watchUsers.add(userName);
}
}
ObjectNode result = Json.newObject();
result.put("count", watchUsers.size());
result.set("users", Json.toJson(watchUsers));
return result;
}
}