datahub/wherehows-frontend/app/controllers/api/v1/Metric.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 controllers.api.v1;

import com.fasterxml.jackson.databind.node.ObjectNode;
import dao.MetricsDAO;
import java.util.Map;
import org.apache.commons.lang3.StringUtils;
import play.Logger;
import play.libs.Json;
import play.mvc.Controller;
import play.mvc.Result;


public class Metric extends Controller {
  public static Result getPagedMetrics() {

    ObjectNode result = Json.newObject();
    String username = session("user");

    int page = 1;
    String pageStr = request().getQueryString("page");
    if (StringUtils.isBlank(pageStr)) {
      page = 1;
    } else {
      try {
        page = Integer.parseInt(pageStr);
      } catch (NumberFormatException e) {
        Logger.warn("Metric Controller getPagedMetrics wrong page parameter. Error message: " + e.getMessage());
        page = 1;
      }
    }

    int size = 10;
    String sizeStr = request().getQueryString("size");
    if (StringUtils.isBlank(sizeStr)) {
      size = 10;
    } else {
      try {
        size = Integer.parseInt(sizeStr);
      } catch (NumberFormatException e) {
        Logger.warn("Metric Controller getPagedMetrics wrong size parameter. Error message: " + e.getMessage());
        size = 10;
      }
    }

    result.put("status", "ok");
    result.set("data", MetricsDAO.getPagedMetrics("", "", page, size, username));
    return ok(result);
  }

  public static Result getPagedMetricsByDashboard(String dashboardName) {

    ObjectNode result = Json.newObject();
    String username = session("user");

    int page = 1;
    String pageStr = request().getQueryString("page");
    if (StringUtils.isBlank(pageStr)) {
      page = 1;
    } else {
      try {
        page = Integer.parseInt(pageStr);
      } catch (NumberFormatException e) {
        Logger.warn(
            "Metric Controller getPagedMetricsByDashboard wrong page parameter. Error message: " + e.getMessage());
        page = 1;
      }
    }

    int size = 10;
    String sizeStr = request().getQueryString("size");
    if (StringUtils.isBlank(sizeStr)) {
      size = 10;
    } else {
      try {
        size = Integer.parseInt(sizeStr);
      } catch (NumberFormatException e) {
        Logger.warn(
            "Metric Controller getPagedMetricsByDashboard wrong size parameter. Error message: " + e.getMessage());
        size = 10;
      }
    }

    result.put("status", "ok");
    result.set("data", MetricsDAO.getPagedMetrics(dashboardName, "", page, size, username));
    return ok(result);
  }

  public static Result getPagedMetricsByDashboardandGroup(String dashboardName, String group) {

    ObjectNode result = Json.newObject();
    String username = session("user");

    int page = 1;
    String pageStr = request().getQueryString("page");
    if (StringUtils.isBlank(pageStr)) {
      page = 1;
    } else {
      try {
        page = Integer.parseInt(pageStr);
      } catch (NumberFormatException e) {
        Logger.warn("Metric Controller getPagedMetricsByDashboardandGroup wrong page parameter. Error message: "
            + e.getMessage());
        page = 1;
      }
    }

    int size = 10;
    String sizeStr = request().getQueryString("size");
    if (StringUtils.isBlank(sizeStr)) {
      size = 10;
    } else {
      try {
        size = Integer.parseInt(sizeStr);
      } catch (NumberFormatException e) {
        Logger.warn("Metric Controller getPagedMetricsByDashboardandGroup wrong size parameter. Error message: "
            + e.getMessage());
        size = 10;
      }
    }

    result.put("status", "ok");
    result.set("data", MetricsDAO.getPagedMetrics(dashboardName, group, page, size, username));
    return ok(result);
  }

  public static Result getMetricByID(int id) {
    String user = session("user");
    wherehows.models.table.Metric metric = MetricsDAO.getMetricByID(id, user);

    ObjectNode result = Json.newObject();

    if (metric != null) {
      result.put("status", "ok");
      result.set("metric", Json.toJson(metric));
    } else {
      result.put("status", "error");
      result.put("message", "record not found");
    }

    return ok(result);
  }

  public static Result watchMetric(int id) {
    ObjectNode result = Json.newObject();
    String username = session("user");
    Map<String, String[]> params = request().body().asFormUrlEncoded();
    if (StringUtils.isNotBlank(username)) {
      String message = MetricsDAO.watchMetric(id, params, username);
      if (StringUtils.isBlank(message)) {
        result.put("status", "success");
      } else {
        result.put("status", "failed");
        result.put("message", message);
      }
    } else {
      result.put("status", "failed");
      result.put("message", "User is not authenticated");
    }

    return ok(result);
  }

  public static Result unwatchMetric(int id, int watchId) {
    ObjectNode result = Json.newObject();
    if (MetricsDAO.unwatch(watchId)) {
      result.put("status", "success");
    } else {
      result.put("status", "failed");
    }

    return ok(result);
  }

  public static Result updateMetric(int id) {
    ObjectNode result = Json.newObject();
    Map<String, String[]> params = request().body().asFormUrlEncoded();

    String message = MetricsDAO.updateMetricValues(id, params);
    if (StringUtils.isBlank(message)) {
      result.put("status", "success");
      return ok(result);
    } else {
      result.put("status", "failed");
      result.put("message", message);
      return badRequest(result);
    }
  }

  public static Result getMetricListViewByMetricId(Integer id) {
    ObjectNode result = Json.newObject();

    result.put("status", "ok");
    result.set("nodes", MetricsDAO.getMetricListViewMetricNodesByMetricId(id));
    return ok(result);
  }

  public static Result getMetricListViewDashboards() {
    ObjectNode result = Json.newObject();

    result.put("status", "ok");
    result.set("nodes", MetricsDAO.getMetricListViewDashboardNodes());
    return ok(result);
  }

  public static Result getMetricListViewGroups(String dashboard) {
    ObjectNode result = Json.newObject();

    result.put("status", "ok");
    result.set("nodes", MetricsDAO.getMetricListViewGroupsNodes(dashboard));
    return ok(result);
  }

  public static Result getMetricListViewNodes(String dashboard, String group) {
    ObjectNode result = Json.newObject();

    result.put("status", "ok");
    result.set("nodes", MetricsDAO.getMetricListViewMetricNodes(dashboard, group));
    return ok(result);
  }
}