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/*-
* ============LICENSE_START=======================================================
* ONAP
* ================================================================================
* Copyright (C) 2021 Wipro Limited.
* ================================================================================
* 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.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============LICENSE_END=========================================================
*/
package org.onap.cps.tbdmt.service;
import com.hubspot.jinjava.Jinjava;
import java.util.Map;
import java.util.Optional;
import org.onap.cps.tbdmt.client.CpsRestClient;
import org.onap.cps.tbdmt.db.TemplateRepository;
import org.onap.cps.tbdmt.exception.CpsClientException;
import org.onap.cps.tbdmt.exception.ExecuteException;
import org.onap.cps.tbdmt.exception.TemplateNotFoundException;
import org.onap.cps.tbdmt.model.AppConfiguration;
import org.onap.cps.tbdmt.model.ExecutionRequest;
import org.onap.cps.tbdmt.model.Template;
import org.onap.cps.tbdmt.model.TemplateKey;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
@Service
public class ExecutionBusinessLogic {
@Autowired
private TemplateRepository templateRepository;
@Autowired
private AppConfiguration appConfiguration;
@Autowired
private CpsRestClient cpsRestClient;
/**
* Execute a template stored in the database.
*
* @param schemaSet schema set
* @param id id
* @param executionRequest inputs to be applied to the templates
* @return result response from the execution of template
*/
public String executeTemplate(final String schemaSet, final String id, final ExecutionRequest executionRequest) {
final Optional<Template> templateOptional = templateRepository.findById(new TemplateKey(id, schemaSet));
if (templateOptional.isPresent()) {
return execute(templateOptional.get(), executionRequest.getInputParameters());
}
throw new TemplateNotFoundException("Template does not exist");
}
private String execute(final Template template, final Map<String, String> inputParameters) {
final String anchor = appConfiguration.getSchemaToAnchor().get(template.getModel());
if (anchor == null) {
throw new ExecuteException("Anchor not found for the schema");
}
final String xpath = generateXpath(template.getXpathTemplate(), inputParameters);
try {
return cpsRestClient.fetchNode(anchor, xpath, template.getRequestType(), template.getIncludeDescendants());
} catch (final CpsClientException e) {
throw new ExecuteException(e.getLocalizedMessage());
}
}
private String generateXpath(final String xpathTemplate, final Map<String, String> templateParameters) {
return new Jinjava().render(xpathTemplate, templateParameters);
}
}
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