content: /*******************************************************************************
   * Copyright (C) 2022, 1C-Soft LLC and others.
   *
   * This program and the accompanying materials are made
   * available under the terms of the Eclipse Public License 2.0
   * which is available at https://www.eclipse.org/legal/epl-2.0/
   *
   * SPDX-License-Identifier: EPL-2.0
   *
   * Contributors:
   *     1C-Soft LLC - initial API and implementation
   *     Denis Maslennikov  - issue #86
   *******************************************************************************/
  package com.e1c.v8codestyle.ql.check;
  
  import static com._1c.g5.v8.dt.ql.model.QlPackage.Literals.COMMON_EXPRESSION__CONTENT;
  
  import java.util.HashSet;
  import java.util.List;
  import java.util.Set;
  
  import org.eclipse.core.runtime.IProgressMonitor;
  import org.eclipse.emf.ecore.EObject;
  import org.eclipse.xtext.EcoreUtil2;
  
  import com._1c.g5.v8.dt.ql.model.CommonExpression;
  import com._1c.g5.v8.dt.ql.model.LikeExpression;
  import com._1c.g5.v8.dt.ql.model.MultiPartCommonExpression;
  import com.e1c.g5.v8.dt.check.CheckComplexity;
  import com.e1c.g5.v8.dt.check.ICheckParameters;
  import com.e1c.g5.v8.dt.check.settings.IssueSeverity;
  import com.e1c.g5.v8.dt.check.settings.IssueType;
  import com.e1c.g5.v8.dt.ql.check.QlBasicDelegateCheck;
  import com.e1c.v8codestyle.check.StandardCheckExtension;
  import com.e1c.v8codestyle.internal.ql.CorePlugin;
  
  /**
   * This class checks if right operand of the LIKE comparison operation is a table field (a catalog attribute).
   *
   * @author Denis Maslennikov
   */
  public class LikeExpressionWithFieldCheck
      extends QlBasicDelegateCheck
  {
  
      private static final String CHECK_ID = "ql-like-expression-with-field"; //$NON-NLS-1$
  
      @Override
      public String getCheckId()
      {
          return CHECK_ID;
      }
  
      @Override
      protected void configureCheck(CheckConfigurer builder)
      {
          builder.title(Messages.IncorrectLikeRightOperandCheck_title)
              .description(Messages.IncorrectLikeRightOperandCheck_description)
              .complexity(CheckComplexity.NORMAL)
              .severity(IssueSeverity.MINOR)
              .issueType(IssueType.PORTABILITY)
              .extension(new StandardCheckExtension(467, getCheckId(), CorePlugin.PLUGIN_ID))
              .delegate(LikeExpression.class);
      }
  
      @Override
      protected void checkQlObject(EObject object, QueryOwner owner, IQlResultAcceptor resultAceptor,
          ICheckParameters parameters, IProgressMonitor monitor)
      {
  
          LikeExpression likeExpression = (LikeExpression)object;
          List<CommonExpression> commonExpressions =
              EcoreUtil2.getAllContentsOfType(likeExpression, CommonExpression.class);
  
          if (monitor.isCanceled() || commonExpressions.isEmpty())
          {
              return;
          }
  
          Set<CommonExpression> unique = new HashSet<>();
          unique.addAll(commonExpressions);
          for (CommonExpression common : commonExpressions)
          {
              if (common instanceof MultiPartCommonExpression)
              {
                  unique.remove(((MultiPartCommonExpression)common).getSourceTable());
              }
          }
  
          for (CommonExpression uniqueExpression : unique)
          {
              String message =
                  Messages.IncorrectLikeRightOperandCheck_The_right_operand_of_the_LIKE_operation_is_table_field;
              resultAceptor.addIssue(message, uniqueExpression, COMMON_EXPRESSION__CONTENT);
          }
      }
  }
  