dev.dsf.fhir.search.parameters.basic.AbstractStatusParameter Maven / Gradle / Ivy

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package dev.dsf.fhir.search.parameters.basic;

import java.sql.Array;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import java.util.List;
import java.util.Objects;

import org.hl7.fhir.exceptions.FHIRException;
import org.hl7.fhir.r4.model.Enumerations.PublicationStatus;
import org.hl7.fhir.r4.model.MetadataResource;

import dev.dsf.fhir.function.BiFunctionWithSqlException;
import dev.dsf.fhir.search.SearchQueryParameterError;
import dev.dsf.fhir.search.SearchQueryParameterError.SearchQueryParameterErrorType;

public class AbstractStatusParameter extends AbstractTokenParameter
{
	public static final String PARAMETER_NAME = "status";

	private final String resourceColumn;

	private PublicationStatus status;

	public AbstractStatusParameter(Class resourceType, String resourceColumn)
	{
		super(resourceType, PARAMETER_NAME);

		this.resourceColumn = resourceColumn;
	}

	@Override
	protected void doConfigure(List errors, String queryParameterName,
			String queryParameterValue)
	{
		super.doConfigure(errors, queryParameterName, queryParameterValue);

		if (valueAndType != null && valueAndType.type == TokenSearchType.CODE)
			status = toStatus(errors, valueAndType.codeValue, queryParameterValue);
	}

	private PublicationStatus toStatus(List errors, String status,
			String queryParameterValue)
	{
		if (status == null || status.isBlank())
			return null;

		try
		{
			return PublicationStatus.fromCode(status);
		}
		catch (FHIRException e)
		{
			errors.add(new SearchQueryParameterError(SearchQueryParameterErrorType.UNPARSABLE_VALUE, parameterName,
					queryParameterValue, e));
			return null;
		}
	}

	@Override
	public boolean isDefined()
	{
		return super.isDefined() && status != null;
	}

	@Override
	protected String getPositiveFilterQuery()
	{
		return resourceColumn + "->>'status' = ?";
	}

	@Override
	protected String getNegatedFilterQuery()
	{
		return resourceColumn + "->>'status' <> ?";
	}

	@Override
	public int getSqlParameterCount()
	{
		return 1;
	}

	@Override
	public void modifyStatement(int parameterIndex, int subqueryParameterIndex, PreparedStatement statement,
			BiFunctionWithSqlException arrayCreator) throws SQLException
	{
		statement.setString(parameterIndex, status.toCode());
	}

	@Override
	public String getBundleUriQueryParameterValue()
	{
		return status.toCode();
	}

	@Override
	protected boolean resourceMatches(R resource)
	{
		return valueAndType.negated ^ Objects.equals(resource.getStatus(), status);
	}

	@Override
	protected String getSortSql(String sortDirectionWithSpacePrefix)
	{
		return resourceColumn + "->>'status'" + sortDirectionWithSpacePrefix;
	}
}