Download of blank template

UHaooooo · Feb 12, 2015 · 99d32cd · 99d32cd
1 parent d8f23da
commit 99d32cd
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Showing 2 changed files with 87 additions and 6 deletions.
diff --git a/tool/src/java/org/sakaiproject/gradebookng/tool/pages/ImportExportPage.html b/tool/src/java/org/sakaiproject/gradebookng/tool/pages/ImportExportPage.html
@@ -3,9 +3,30 @@
 
 <body>
 <wicket:extend>
+	<div><wicket:message key="importExport.page.description" /></div>
 
-    <div wicket:id="wizard">[wizard will be placed here]</div>
+    <div>
+        <div><wicket:message key="importExport.step1.heading" /></div>
+        <div><wicket:message key="importExport.step1.description" /></div>
+        <div>
+            <a wicket:id="downloadBlankTemplate" wicket:message="title:importExport.step1.button.blankTemplate">
+                <wicket:message key="importExport.step1.button.blankTemplate" />
+            </a>
+            <!--<a wicket:id="downloadFullGradebook" wicket:message="title:importExport.step1.button.fullGradebook">-->
+                <!--<wicket:message key="importExport.step1.button.fullGradebook" />-->
+            <!--</a>-->
+        </div>
+    </div>
 
+    <div>
+        <div><wicket:message key="importExport.step2.heading" /></div>
+        <div><wicket:message key="importExport.step2.description" /></div>
+    </div>
+    <div>
+        <div><wicket:message key="importExport.step3.heading" /></div>
+        <div><wicket:message key="importExport.step3.description" /></div>
+    </div>
+
 </wicket:extend>
 </body>
 </html>
diff --git a/tool/src/java/org/sakaiproject/gradebookng/tool/pages/ImportExportPage.java b/tool/src/java/org/sakaiproject/gradebookng/tool/pages/ImportExportPage.java
@@ -1,26 +1,86 @@
 package org.sakaiproject.gradebookng.tool.pages;
 
 
-import org.apache.log4j.Logger;
-import org.sakaiproject.gradebookng.tool.panels.GradeImportUploadStep;
+import org.apache.commons.lang3.StringUtils;
+import org.apache.wicket.markup.html.link.DownloadLink;
+import org.apache.wicket.markup.html.link.ResourceLink;
+import org.apache.wicket.model.LoadableDetachableModel;
+import org.apache.wicket.request.resource.ByteArrayResource;
+import org.apache.wicket.util.time.Duration;
+import org.sakaiproject.service.gradebook.shared.Assignment;
+import org.sakaiproject.user.api.User;
+
+import java.io.*;
+import java.util.ArrayList;
+import java.util.List;
 
 /**
  * Import Export page
- *
+ * 
  * @author Steve Swinsburg ([email protected])
  *
  */
 public class ImportExportPage extends BasePage {
-
+	
 	private static final long serialVersionUID = 1L;
 
 	private static final Logger log = Logger.getLogger(ImportExportPage.class);
 
 
 
 	public ImportExportPage() {
-		add(new GradeImportUploadStep("wizard"));
 
+		//get list of assignments. this allows us to build the columns and then fetch the grades for each student for each assignment from the map
+		final List<Assignment> assignments = this.businessService.getGradebookAssignments();
+		final List<User> users = this.businessService.getGradeableUsers();
+
+		add(new DownloadLink("downloadBlankTemplate", new LoadableDetachableModel<File>() {
+
+			@Override
+			protected File load() {
+				File tempFile;
+				try {
+					//TODO - add the site name to the file?
+					tempFile = File.createTempFile("gradebookTemplate", ".csv");
+//					FileOutputStream fos = new FileOutputStream();
+					FileWriter fw = new FileWriter(tempFile);
+					//Create csv header
+					List<String> header = new ArrayList<String>();
+					header.add("studentId");
+					header.add("studentName");
+
+					for (Assignment assignment : assignments) {
+						header.add(assignment.getName());
+					}
+					String headerStr = StringUtils.join(header, ",");
+					fw.append(headerStr + "\n");
+
+					List<String> line = new ArrayList<String>();
+
+					for (User user : users) {
+						line.add(wrapText(user.getEid()));
+						line.add(wrapText(user.getSortName()));
+						String lineStr = StringUtils.join(line, ",");
+						fw.append(lineStr + "\n");
+					}
+
+
+					fw.close();
+				} catch (IOException e) {
+					throw new RuntimeException(e);
+				}
+				return tempFile;
+//				return new File(new ByteArrayResource("", null));
+			}
+		}).setCacheDuration(Duration.NONE).setDeleteAfterDownload(true));
+
+
+
+
+	}
+
+	private String wrapText(String input) {
+		return "\"" + input + "\"";
 	}