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Java library to initiate VWo instance for server side a/b testing
There is a newer version: 1.66.0
package com.vwo.event;

import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.ObjectMapper;

import com.vwo.URIConstants;
import com.vwo.config.ProjectConfig;
import com.vwo.enums.LoggerMessagesEnum;
import com.vwo.logger.LoggerManager;
import com.vwo.models.Campaign;
import com.vwo.models.Goal;
import com.vwo.models.SettingFileConfig;
import com.vwo.models.Variation;

import java.time.Instant;
import java.util.Map;
import javafx.util.Pair;

public class EventFactory {

  public static final String VWO_HOST = URIConstants.BASE_URL.toString();
  public static final String IMPRESSION_PATH = URIConstants.TRACK_USER.toString();
  public static final String GOAL_PATH = URIConstants.TRACK_GOAL.toString();

  private static final ObjectMapper objectMapper = new ObjectMapper();
  private static final LoggerManager LOGGER = LoggerManager.getLogger(EventFactory.class);

  public static DispatchEvent createImpressionLogEvent(ProjectConfig projectConfig, Campaign campaignTestKey, String userId, Variation variation) {
    SettingFileConfig settingFileConfig = projectConfig.getSettingFileConfig();
    Event impressionEvent =
            Event.Builder.getInstance()
                    .withaccount_id(settingFileConfig.getAccountId())
                    .withexperiment_id(campaignTestKey.getId())
                    .withRandom(Math.random())
                    .withAp()
                    .withEd()
                    .withuId(userId)
                    .withUuid(settingFileConfig.getAccountId(), userId)
                    .withsId(Instant.now().getEpochSecond())
                    .withVariation(variation.getId())
                    .withsdk()
                    .withsdkVersion()
                    .build();

    LOGGER.debug(LoggerMessagesEnum.DEBUG_MESSAGES.TRACK_USER_IMPRESSION_CREATED.value(new Pair<>("userId", userId), new Pair<>("impressionEvent", impressionEvent.toString())));

    Map map = impressionEvent.convertToMap();
    objectMapper.setVisibility(PropertyAccessor.FIELD, JsonAutoDetect.Visibility.ANY);
    return new DispatchEvent(VWO_HOST, IMPRESSION_PATH, map, DispatchEvent.RequestMethod.GET, null);
  }

  public static DispatchEvent createGoalLogEvent(ProjectConfig projectConfig, Campaign campaignTestKey, String userId, Goal goal, Variation variation, Object revenueValue) {
    SettingFileConfig settingFileConfig = projectConfig.getSettingFileConfig();
    Event goalEvent =
            Event.Builder.getInstance()
                    .withaccount_id(settingFileConfig.getAccountId())
                    .withexperiment_id(campaignTestKey.getId())
                    .withRandom(Math.random())
                    .withuId(userId)
                    .withAp()
                    .withUuid(settingFileConfig.getAccountId(), userId)
                    .withGoalId(goal.getId())
                    .withsId(Instant.now().getEpochSecond())
                    .withRevenue(revenueValue)
                    .withVariation(variation.getId())
                    .withsdk()
                    .withsdkVersion()
                    .build();

    LOGGER.debug(LoggerMessagesEnum.DEBUG_MESSAGES.TRACK_GOAL_IMPRESSION_CREATED.value(new Pair<>("goalEvent", goalEvent.toString()), new Pair<>("userId", userId)));

    Map map = goalEvent.convertToMap();
    objectMapper.setVisibility(PropertyAccessor.FIELD, JsonAutoDetect.Visibility.ANY);
    return new DispatchEvent(VWO_HOST, GOAL_PATH, map, DispatchEvent.RequestMethod.GET, null);
  }
}