/*
Copyright 2014 base2Services
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.
*/
package com.base2.kagura.services.camel.kagura;
import com.base2.kagura.core.ExportHandler;
import com.base2.kagura.core.report.configmodel.parts.ColumnDef;
import com.base2.kagura.core.report.parameterTypes.ParamConfig;
import com.base2.kagura.core.report.configmodel.ReportConfig;
import com.base2.kagura.core.report.configmodel.ReportsConfig;
import com.base2.kagura.core.report.connectors.ReportConnector;
import com.base2.kagura.core.storage.ReportsProvider;
import com.base2.kagura.rest.exceptions.AuthenticationException;
import com.base2.kagura.rest.helpers.ParameterUtils;
import org.apache.commons.beanutils.BeanUtils;
import org.apache.camel.Exchange;
import org.apache.camel.Header;
import org.apache.commons.beanutils.ConversionException;
import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import com.base2.kagura.rest.model.Parameters;
import java.io.*;
import java.lang.reflect.InvocationTargetException;
import java.util.*;
/**
* @author aubels
* Date: 28/08/13
*/
@Service
public class ReportBean {
private ServerBean serverBean;
private static final Logger LOG = LoggerFactory.getLogger(ReportBean.class);
@Autowired()
private ReportsProvider<?> reportsProvider;
private ReportConnector getConnector(String name)
{
ReportsConfig reportsConfig = getReportsConfig(Arrays.asList(name));
ReportConfig reportConfig = reportsConfig.getReports().get(name);
if (reportConfig == null)
return null;
return reportConfig.getReportConnector();
}
public ReportsConfig getReportsConfig(Collection<String> reports) {
final ReportsConfig reportsConfig = reportsProvider.getReportsConfig(reports);
if (reportsProvider.getErrors() != null)
for (String e : reportsProvider.getErrors())
LOG.info("Report error: {}", e);
return reportsConfig;
}
public Map<String, Object> getReportDetails(String reportName, boolean full, ReportConfig reportConfig) {
Map<String, Object> result = new HashMap<String, Object>();
if (reportConfig != null)
{
result.put("reportId", reportName);
result.put("extra", reportConfig.getExtraOptions());
if (full)
{
result.put("params", reportConfig.getParamConfig());
result.put("columns", reportConfig.getColumns());
}
}
else
{
result = noSuchReport(reportName);
}
return result;
}
public Map<String, Object> noSuchReport(String reportName) {
Map<String, Object> result = new HashMap<String, Object>();
result.put("reportId", reportName);
result.put("error", "No such report");
return result;
}
public void noSuchReport(@Header("reportId") String reportName, Exchange exchange) {
Map<String, Object> result = noSuchReport(reportName);
exchange.getOut().setBody(result);
}
private ReportConfig getReportConfig(String reportName, Map<String, Object> result, Collection<String> reports) {
ReportsConfig reportsConfig = getReportsConfig(reports);
ReportConfig reportConfig = reportsConfig.getReport(reportName);
if (reportConfig == null)
return null;
if (reportsConfig.getErrors() != null)
result.put("errors", reportsConfig.getErrors());
return reportConfig;
}
public Map<String, Object> getReportsDetailed(@Header("reportId") String reportId, Exchange exchange) throws AuthenticationException {
Map<String, Object> result = new HashMap<String, Object>();
final ReportConfig reportConfig = getReportConfig(reportId, result, Arrays.asList(reportId));
return getReportDetails(reportId, true, reportConfig);
}
public Map<String, Object> run(
@Header("reportId") String reportId
, @Header("page") int page
, @Header("allpages") boolean all
, @Header("pageLimit") Integer pageLimit
, @Header("parameters") Parameters parameters
, @Header("authDetails") AuthBean.AuthDetails authDetails
, @Header("groups") Collection<String> groups
, @Header("userExtra") Map<String, Object> userExtra
) throws AuthenticationException {
Map<String, Object> result = new HashMap<String, Object>();
ReportConnector reportConnector = getConnector(reportId);
reportConnector.setPage(page);
List<String> errors = new ArrayList<String>();
if (all)
reportConnector.setPageLimit(serverBean.getExportLimit());
else
if (pageLimit != null && pageLimit > 0)
reportConnector.setPageLimit(Math.min(serverBean.getExportLimit(), pageLimit));
ParameterUtils.insertParameters(parameters, reportConnector, errors);
reportConnector.run(generateExtraRunOptions(authDetails,groups, userExtra));
errors.addAll(reportConnector.getErrors());
List<ColumnDef> columns = reportConnector.getColumns();
List<Map<String, Object>> rows = reportConnector.getRows();
result.put("columns",columns);
result.put("rows",rows);
result.put("errors", errors);
return result;
}
public Map<String, Object> detailsAndRun(
@Header("reportId") String reportId
, @Header("page") int page
, @Header("allpages") boolean all
, @Header("pageLimit") Integer pageLimit
, @Header("parameters") Parameters parameters
, @Header("authDetails") AuthBean.AuthDetails authDetails
, @Header("groups") Collection<String> groups
, @Header("userExtra") Map<String, Object> userExtra
) throws AuthenticationException {
Map<String, Object> result = new HashMap<String, Object>();
final ReportConfig reportConfig = getReportConfig(reportId, result, Arrays.asList(reportId));
result.putAll(getReportDetails(reportId, true, reportConfig));
ReportConnector reportConnector = getConnector(reportId);
reportConnector.setPage(page);
List<String> errors = new ArrayList<String>();
if (all)
reportConnector.setPageLimit(serverBean.getExportLimit());
else
if (pageLimit != null && pageLimit > 0)
reportConnector.setPageLimit(Math.min(serverBean.getExportLimit(), pageLimit));
ParameterUtils.insertParameters(parameters, reportConnector, errors);
final Map<String, Object> extra = generateExtraRunOptions(authDetails, groups, userExtra);
reportConfig.prepareParameters(extra);
reportConnector.run(extra);
errors.addAll(reportConnector.getErrors());
List<ColumnDef> columns = reportConnector.getColumns();
List<Map<String, Object>> rows = reportConnector.getRows();
result.put("columns",columns);
result.put("rows",rows);
result.put("errors", errors);
return result;
}
public Map<String, Object> generateExtraRunOptions(final AuthBean.AuthDetails authDetails, final Collection<String> groups, final Map<String, Object> userExtra) {
return new HashMap<String, Object>()
{{
put("username", authDetails.getUsername());
put("groups",groups);
put("userExtra",userExtra);
}};
}
public ByteArrayInputStream export(@Header("reportId") String reportId
, Exchange exchange
, @Header("page") int page
, @Header("allpages") boolean all
, @Header("filetype") String filetype
, @Header("pageLimit") Integer pageLimit
, @Header("parameters") Parameters parameters
, @Header("authDetails") AuthBean.AuthDetails authDetails
, @Header("groups") Collection<String> groups
, @Header("userExtra") Map<String, Object> userExtra
) throws AuthenticationException {
ExportHandler exportHandler = new ExportHandler();
ByteArrayOutputStream out = new ByteArrayOutputStream();
ReportConnector reportConnector = getConnector(reportId);
try {
List<String> errors = new ArrayList<String>();
ParameterUtils.insertParameters(parameters, reportConnector, errors);
reportConnector.setPage(page);
if (all)
reportConnector.setPageLimit(serverBean.getExportLimit());
else
if (pageLimit != null && pageLimit > 0)
reportConnector.setPageLimit(Math.min(serverBean.getExportLimit(), pageLimit));
reportConnector.run(generateExtraRunOptions(authDetails,groups, userExtra));
List<ColumnDef> columns = reportConnector.getColumns();
List<Map<String, Object>> rows = reportConnector.getRows();
if (filetype.equalsIgnoreCase("pdf"))
{
exportHandler.generatePdf(out, rows, columns);
} else if (filetype.equalsIgnoreCase("csv"))
{
exportHandler.generateCsv(out, rows, columns);
} else if (filetype.equalsIgnoreCase("xls"))
{
exportHandler.generateXls(out, rows, columns);
}
} finally {
try {
if (out != null) {
out.close();
}
} catch (IOException err) {
err.printStackTrace();
}
}
return new ByteArrayInputStream(out.toByteArray());
}
@Autowired
public void setServerBean(ServerBean serverBean) {
this.serverBean = serverBean;
}
public ServerBean getServerBean() {
return serverBean;
}
}