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Java SDK to interact with Einstein Bots Runtime. This SDK is a wrapper around the Einstein Bots Runtime API that provides a few added features out of the box like Auth support, Session management

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/*
 * Copyright (c) 2022, salesforce.com, inc.
 * All rights reserved.
 * SPDX-License-Identifier: BSD-3-Clause
 * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/BSD-3-Clause
 */

package com.salesforce.einsteinbot.sdk.util;

import static com.salesforce.einsteinbot.sdk.util.Constants.CONTEXT_VARIABLE_NAME_INTEGRATION_NAME;
import static com.salesforce.einsteinbot.sdk.util.Constants.CONTEXT_VARIABLE_NAME_INTEGRATION_TYPE;
import static com.salesforce.einsteinbot.sdk.util.Constants.CONTEXT_VARIABLE_VALUE_API;

import com.salesforce.einsteinbot.sdk.model.AnyVariable;
import com.salesforce.einsteinbot.sdk.model.TextVariable;
import java.util.ArrayList;
import java.util.List;
import java.util.Optional;

/**
 * UtilFunctions - Contains static utility functions used in Application
 *
 * @author relango
 */
public class UtilFunctions {

  public static TextVariable createTextVariable(String name, String value) {
    return new TextVariable()
        .name(name)
        .type(TextVariable.TypeEnum.TEXT)
        .value(value);
  }


  /**
   * Adds IntegrationType and IntegrationName context variables to given ContextVariables only if
   * integrationNameOptional is present and IntegrationName Context Variable doesn't already exist
   * in given currentContextVariables.
   *
   * @param currentContextVariables
   * @param integrationNameOptional
   * @return
   */
  public static List addIntegrationTypeAndNameToContextVariables(
      List currentContextVariables,
      Optional integrationNameOptional) {

    List contextVariables = currentContextVariables == null ? new ArrayList<>()
        : new ArrayList<>(currentContextVariables);

    if (integrationNameOptional.isPresent() && !isIntegrationNameFoundInContextVariables(
        contextVariables)) {
      contextVariables.add(
          createTextVariable(CONTEXT_VARIABLE_NAME_INTEGRATION_TYPE, CONTEXT_VARIABLE_VALUE_API));
      contextVariables.add(createTextVariable(CONTEXT_VARIABLE_NAME_INTEGRATION_NAME,
          integrationNameOptional.get()));
    }

    return contextVariables;
  }

  private static boolean isIntegrationNameFoundInContextVariables(
      List contextVariables) {
    return contextVariables
        .stream()
        .filter(UtilFunctions::isIntegrationNameVariable)
        .findFirst()
        .isPresent();
  }

  private static boolean isIntegrationNameVariable(AnyVariable contextVariable) {
    return contextVariable.getName()
        .equals(CONTEXT_VARIABLE_NAME_INTEGRATION_NAME);
  }
}