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/*
* This file is part of onkostar-plugin-dnpm
*
* Copyright (c) 2025 the original author or authors.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package dev.dnpm.oshelper.atc.services;
import dev.dnpm.oshelper.atc.AgentCode;
import dev.dnpm.oshelper.atc.AtcCode;
import dev.dnpm.oshelper.exceptions.FileParsingException;
import org.apache.commons.csv.CSVFormat;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Service;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;
import java.util.Objects;
import java.util.stream.Collectors;
/**
* Service to query for agent codes based on ATC codes file
*
* @author Paul-Christian Volkmer
* @since 2.0.0
*/
@Service
public class CsvAgentCodeService implements AgentCodeService {
protected final Logger logger = LoggerFactory.getLogger(this.getClass());
protected final List<AgentCode> codeList = new ArrayList<>();
private static final String ATC_CODE_COLUMN = "ATC-Codes";
private static final String ATC_NAME_COLUMN = "ATC-Bedeutung";
private static final String ATC_VERSION_COLUMN = "Version";
public CsvAgentCodeService() {
this.codeList.addAll(parseFile());
}
/**
* Queries source for agents code starting with or name containing query string.
* If size is zero, all available results will be returned.
*
* @param query The query string
* @param size Maximal amount of responses
* @return A list with agent codes
*/
@Override
public List<AgentCode> findAgentCodes(final String query, final int size) {
var resultStream = this.codeList.stream().filter(agentCode ->
agentCode.getCode().toLowerCase().startsWith(query.toLowerCase())
|| agentCode.getName().toLowerCase().contains(query.toLowerCase())
);
if (size > 0) {
return resultStream.limit(size).collect(Collectors.toList());
}
return resultStream.collect(Collectors.toList());
}
protected List<AgentCode> parseFile() {
var result = new ArrayList<AgentCode>();
try {
var inputStream = Objects.requireNonNull(this.getClass().getClassLoader().getResourceAsStream("atc.csv"));
var parser = CSVFormat.RFC4180
.withHeader()
.withDelimiter('\t')
.withIgnoreEmptyLines()
.withSkipHeaderRecord()
.parse(new InputStreamReader(inputStream));
for (var row : parser) {
if (!row.isMapped(ATC_CODE_COLUMN) || !row.isMapped(ATC_NAME_COLUMN)) {
throw new FileParsingException("No CSV column for ATC code or name found");
}
if (row.isMapped(ATC_VERSION_COLUMN)) {
result.add(new AtcCode(row.get(ATC_CODE_COLUMN).trim(), row.get(ATC_NAME_COLUMN), row.get(ATC_VERSION_COLUMN)));
} else {
result.add(new AtcCode(row.get(ATC_CODE_COLUMN).trim(), row.get(ATC_NAME_COLUMN)));
}
}
return result;
} catch (IOException | FileParsingException e) {
logger.warn("Error reading information from ATC codes");
}
return result;
}
}
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