Generate Pdf option for reports

mifosng-provider/src/main/java/org/mifosng/platform/infrastructure/api/ApiParameterHelper.java

@@ -63,6 +63,15 @@ public class ApiParameterHelper {
         return exportCsv;
     }
 
+    
+    public static boolean exportPdf(final MultivaluedMap<String, String> queryParams) {
+		boolean exportPDF = false;
+		if (queryParams.getFirst("exportPDF") != null) {
+			String exportPdfValue = queryParams.getFirst("exportPDF");
+			exportPDF = "true".equalsIgnoreCase(exportPdfValue);
+		}
+		return exportPDF;
+    }
     public static boolean parameterType(final MultivaluedMap<String, String> queryParams) {
         boolean parameterType = false;
         if (queryParams.getFirst("parameterType") != null) {

mifosng-provider/src/main/java/org/mifosplatform/infrastructure/dataqueries/api/ReportsApiResource.java

@@ -1,5 +1,6 @@
 package org.mifosplatform.infrastructure.dataqueries.api;
 
+import java.io.File;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.Set;
@@ -13,6 +14,7 @@ import javax.ws.rs.core.Context;
 import javax.ws.rs.core.MediaType;
 import javax.ws.rs.core.MultivaluedMap;
 import javax.ws.rs.core.Response;
+import javax.ws.rs.core.Response.ResponseBuilder;
 import javax.ws.rs.core.StreamingOutput;
 import javax.ws.rs.core.UriInfo;
 
@@ -51,6 +53,22 @@ public class ReportsApiResource {
         boolean prettyPrint = ApiParameterHelper.prettyPrint(uriInfo.getQueryParameters());
         boolean exportCsv = ApiParameterHelper.exportCsv(uriInfo.getQueryParameters());
         
+        boolean exportPdf = ApiParameterHelper.exportPdf(uriInfo.getQueryParameters());
+
+    			if(exportPdf)
+    		
+    			{	
+    				String result = this.readExtraDataAndReportingService
+    						.retrieveReportPDF(".", ".", extractedQueryParams);
+
+    				return Response
+    						.ok()
+    						.entity(result)
+    						.header("Content-Disposition",
+    								"attachment;filename=ReportList.pdf").build();
+    			
+    			}
+
         if (!exportCsv) {
             GenericResultsetData result = this.readExtraDataAndReportingService.retrieveGenericResultset(".", ".", extractedQueryParams);
 
@@ -75,6 +93,7 @@ public class ReportsApiResource {
         boolean prettyPrint = ApiParameterHelper.prettyPrint(uriInfo.getQueryParameters());
         boolean exportCsv = ApiParameterHelper.exportCsv(uriInfo.getQueryParameters());
         boolean parameterType = ApiParameterHelper.parameterType(uriInfo.getQueryParameters());
+        boolean exportPdf = ApiParameterHelper.exportPdf(uriInfo.getQueryParameters());
 
         checkUserPermissionForReport(reportName, parameterType);
 
@@ -90,6 +109,28 @@ public class ReportsApiResource {
             parameterTypeValue = "parameter";
         }
         
+        
+     // PDF format
+		
+     		if(exportPdf)
+     		{	
+     			
+     			Map<String, String> reportParams = getReportParams(queryParams, false);
+     			String pdfFileName = this.readExtraDataAndReportingService
+     					.retrieveReportPDF(reportName, parameterTypeValue, reportParams);
+     			
+     			File file=new File(pdfFileName);
+
+     			ResponseBuilder response=Response.ok(file);
+     					response.header("Content-Disposition",
+     							"attachment; filename=\""
+     					+pdfFileName+"\"");
+     					response.header("content-Type","application/pdf");
+     					
+     					return response.build();
+     		
+     		}
+
         if (!exportCsv) {
 
             Map<String, String> reportParams = getReportParams(queryParams, false);

mifosng-provider/src/main/java/org/mifosplatform/infrastructure/dataqueries/service/ReadReportingService.java

@@ -15,5 +15,8 @@ public interface ReadReportingService {
 
     Response processPentahoRequest(String reportName, String outputType, Map<String, String> queryParams);
 
+    String retrieveReportPDF(String name, String type,Map<String, String> extractedQueryParams);
+    
+    
     String getReportType(String reportName);
 }

mifosng-provider/src/main/java/org/mifosplatform/infrastructure/dataqueries/service/ReadReportingServiceImpl.java

@@ -2,6 +2,8 @@ package org.mifosplatform.infrastructure.dataqueries.service;
 
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
+import java.io.File;
+import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
@@ -18,6 +20,7 @@ import javax.ws.rs.core.StreamingOutput;
 import org.apache.commons.lang.StringUtils;
 import org.mifosng.platform.exceptions.PlatformDataIntegrityException;
 import org.mifosng.platform.exceptions.ReportNotFoundException;
+import org.mifosng.platform.infrastructure.FileUtils;
 import org.mifosplatform.infrastructure.dataqueries.data.GenericResultsetData;
 import org.mifosplatform.infrastructure.dataqueries.data.ResultsetColumnHeader;
 import org.mifosplatform.infrastructure.dataqueries.data.ResultsetDataRow;
@@ -41,6 +44,11 @@ import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
+import com.lowagie.text.Document;
+import com.lowagie.text.PageSize;
+import com.lowagie.text.pdf.PdfPTable;
+import com.lowagie.text.pdf.PdfWriter;
+
 @Service
 public class ReadReportingServiceImpl implements ReadReportingService {
 
@@ -135,6 +143,8 @@ public class ReadReportingServiceImpl implements ReadReportingService {
         return writer;
     }
     
+    
+
     @Override
     public GenericResultsetData retrieveGenericResultset(final String name, final String type, final Map<String, String> queryParams) {
 
@@ -332,4 +342,85 @@ public class ReadReportingServiceImpl implements ReadReportingService {
         }
     }
 
-}
+	@Override
+public String retrieveReportPDF(final String reportName,final String type, final Map<String, String> queryParams) {
+
+		    	String fileLocation=FileUtils.MIFOSX_BASE_DIR+File.separator+"";
+		    	if(!new File(fileLocation).isDirectory())
+		    	{
+		    	 new File(fileLocation).mkdirs();	
+		    	}
+
+		    	String genaratePdf=fileLocation+File.separator+reportName+".pdf";
+		    	
+		    	
+		    try
+		    {
+		    GenericResultsetData result = retrieveGenericResultset(
+		    		reportName, type, queryParams);
+		    	
+
+		    List<ResultsetColumnHeader> columnHeaders = result.getColumnHeaders();
+		    List<ResultsetDataRow> data = result.getData();
+		    List<String> row;
+
+		    logger.info("NO. of Columns: " + columnHeaders.size());
+		    Integer chSize = columnHeaders.size();
+
+		    Document document = new Document(PageSize.B0.rotate());
+
+		    PdfWriter.getInstance(document,
+		    	      new FileOutputStream(new File(fileLocation+reportName+".pdf")));
+		    	document.open();
+		     
+		    PdfPTable table = new PdfPTable(chSize);
+		    table.setWidthPercentage(100);
+
+		    for (int i = 0; i < chSize; i++) {
+		    	 
+		    	table.addCell(columnHeaders.get(i).getColumnName());
+		    	
+		    }
+		    table.completeRow();
+
+		    Integer rSize;
+		    String currColType;
+		    String currVal;
+		    logger.info("NO. of Rows: " + data.size());
+		    for (int i = 0; i < data.size(); i++) {
+		    	row = data.get(i).getRow();
+		    	rSize = row.size();
+		    	for (int j = 0; j < rSize; j++) {
+		    		currColType = columnHeaders.get(j).getColumnType();
+		    		currVal = row.get(j);
+		    		if (currVal != null) {
+		    			if (currColType.equals("DECIMAL")
+		    					|| currColType.equals("DOUBLE")
+		    					|| currColType.equals("BIGINT")
+		    					|| currColType.equals("SMALLINT")
+		    					|| currColType.equals("INT"))
+		    			{
+		    				
+		    			table.addCell(currVal.toString());
+		    		}
+		    			else
+		    			{
+		    				table.addCell(currVal.toString());
+		    			}
+		    		}
+		    	}
+		    }
+		      table.completeRow();
+		      document.add(table);
+		    document.close();
+		    return genaratePdf;
+		    }
+		    				
+		    				catch (Exception e) {
+		    					throw new PlatformDataIntegrityException(
+		    							"error.msg.exception.error", e.getMessage());
+		    				}
+
+		    			}
+	}
+