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/*-
* #%L
* Coffee
* %%
* Copyright (C) 2020 i-Cell Mobilsoft Zrt.
* %%
* 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.
* #L%
*/
package hu.icellmobilsoft.coffee.module.document.action;
import java.nio.charset.StandardCharsets;
import java.util.Collection;
import java.util.Date;
import java.util.List;
import jakarta.enterprise.inject.Model;
import jakarta.inject.Inject;
import org.apache.commons.lang3.StringUtils;
import hu.icellmobilsoft.coffee.cdi.logger.AppLogger;
import hu.icellmobilsoft.coffee.cdi.logger.ThisLogger;
import hu.icellmobilsoft.coffee.dto.common.common.KeyValueBasicType;
import hu.icellmobilsoft.coffee.dto.document.document.TemplateFullType;
import hu.icellmobilsoft.coffee.dto.document.document.TemplateType;
import hu.icellmobilsoft.coffee.dto.exception.InvalidParameterException;
import hu.icellmobilsoft.coffee.dto.exception.enums.CoffeeFaultType;
import hu.icellmobilsoft.coffee.module.document.model.TemplateData;
import hu.icellmobilsoft.coffee.module.document.model.TemplateParameter;
import hu.icellmobilsoft.coffee.module.document.model.enums.TemplateDataType;
import hu.icellmobilsoft.coffee.module.document.service.TemplateDataService;
import hu.icellmobilsoft.coffee.module.document.service.TemplateParameterService;
import hu.icellmobilsoft.coffee.se.api.exception.BaseException;
import hu.icellmobilsoft.coffee.tool.utils.date.DateUtil;
/**
* Template business logic class
*
* @author imre.scheffer
* @since 1.0.0
*/
@Model
public class TemplateAction {
@Inject
@ThisLogger
private AppLogger log;
@Inject
private TemplateDataService templateDataService;
@Inject
private TemplateParameterService templateParameterService;
/**
* Default constructor, constructs a new object.
*/
public TemplateAction() {
super();
}
/**
* Returns {@link TemplateFullType} by given {@link TemplateType}.
*
* @param templateType
* dto
* @return {@code TemplateFullType} dto
* @throws BaseException
* if invalid parameter or processing error
*/
public TemplateFullType getTemplate(TemplateType templateType) throws BaseException {
if (templateType == null) {
throw new InvalidParameterException("templateType is null");
}
String templateKey = templateType.getTemplateKey();
String language = templateType.getLanguage();
TemplateDataType dataType = TemplateDataType.valueOf(templateType.getType());
Date date = null;
if (templateType.getDate() != null) {
date = DateUtil.toDate(templateType.getDate());
}
TemplateData templateData = templateDataService.find(templateKey, dataType, language, date);
List templateParameters = templateParameterService.findAll(templateKey, language);
byte[] data = null;
String subject = processText(templateData.getSubject(), templateParameters, templateType.getParameter());
switch (dataType) {
case TEXT:
data = processText(templateData, templateParameters, templateType.getParameter());
break;
case BINARY:
data = processBinary(templateData, templateParameters, templateType.getParameter());
break;
case HTML:
data = processText(templateData, templateParameters, templateType.getParameter());
break;
default:
throw new BaseException(CoffeeFaultType.OPERATION_FAILED, "Not implemeted yet!");
}
TemplateFullType response = new TemplateFullType();
response.setTemplateDataId(templateData.getId());
response.setData(data);
response.setDate(DateUtil.toOffsetDateTime(date));
response.setFileName(templateData.getDefaultFilename());
response.setLanguage(templateData.getLanguage());
response.setSubject(subject);
response.setTemplateKey(templateData.getTemplateKey());
response.setType(dataType.name());
return response;
}
/**
* Processes TEXT template. Replaces template parameters.
*
* @param templateData
* entity
* @param templateParameters
* entities
* @param requestParameters
* parameters from request
* @return replaced templateData.data value with defined values
* @throws BaseException
* if text cannot be processed
*/
private byte[] processText(TemplateData templateData, List templateParameters, List requestParameters)
throws BaseException {
String text = processText(templateData.getData(), templateParameters, requestParameters);
return text.getBytes(StandardCharsets.UTF_8);
}
private String processText(String templatText, List templateParameters, List requestParameters)
throws BaseException {
if (templatText == null) {
return null;
}
String text = templatText;
for (TemplateParameter tp : templateParameters) {
String value = getParameterValue(tp.getParameterKey(), requestParameters, tp.getDefaultValue());
text = StringUtils.replace(text, "{" + tp.getParameterKey() + "}", value);
}
return text;
}
private byte[] processBinary(TemplateData templateData, List templateParameters, List requestParameters)
throws BaseException {
if (templateData.getData() == null) {
return null;
}
return templateData.getData().getBytes(StandardCharsets.UTF_8);
}
/**
* Returns value for given key from given collection of {@link KeyValueBasicType}s.
*
* @param key
* key of the desired parameter
* @param requestParameters
* parameters to search in
* @param defaultValue
* default parameter value
* @return desired parameter or default parameter if desired parameter is null or cannot be found
*/
public static String getParameterValue(String key, Collection requestParameters, String defaultValue) {
if (requestParameters == null) {
return defaultValue;
}
for (KeyValueBasicType kv : requestParameters) {
if (StringUtils.equalsIgnoreCase(key, kv.getKey())) {
return kv.getValue();
}
}
return defaultValue;
}
}
