Add generated summary text with file and size summary

Change-Id: Iedc49bdb6d8638b6e42e0df2c7f4ff0061deef37
Signed-off-by: Kevin Sawicki <kevin@github.com>
Signed-off-by: Chris Aniszczyk <caniszczyk@gmail.com>

3 files changed, 71 insertions, 1 deletions

diff --git a/org.eclipse.mylyn.github.core/src/org/eclipse/mylyn/internal/github/core/gist/GistTaskDataHandler.java b/org.eclipse.mylyn.github.core/src/org/eclipse/mylyn/internal/github/core/gist/GistTaskDataHandler.java
index da9e3a39..5ae7ef64 100644
--- a/org.eclipse.mylyn.github.core/src/org/eclipse/mylyn/internal/github/core/gist/GistTaskDataHandler.java
+++ b/org.eclipse.mylyn.github.core/src/org/eclipse/mylyn/internal/github/core/gist/GistTaskDataHandler.java
@@ -11,6 +11,8 @@
 package org.eclipse.mylyn.internal.github.core.gist;
 
 import java.io.IOException;
+import java.text.DecimalFormat;
+import java.text.MessageFormat;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
@@ -131,9 +133,13 @@ public class GistTaskDataHandler extends AbstractTaskDataHandler {
 		}
 
 		Map<String, GistFile> files = gist.getFiles();
+		int fileCount = 0;
+		long sizeCount = 0;
 		if (files != null && !files.isEmpty()) {
 			int count = 1;
 			for (GistFile file : files.values()) {
+				fileCount++;
+				sizeCount += file.getSize();
 				TaskAttachmentMapper attachmentMapper = new TaskAttachmentMapper();
 				attachmentMapper.setFileName(file.getFilename());
 				attachmentMapper.setReplaceExisting(true);
@@ -153,9 +159,41 @@ public class GistTaskDataHandler extends AbstractTaskDataHandler {
 
 		GistAttribute.COMMENT_NEW.create(data);
 
+		TaskAttribute summary = GistAttribute.SUMMARY.create(data);
+		mapper.setValue(summary, generateSummary(fileCount, sizeCount));
+
 		return data;
 	}
 
+	private String generateSummary(int files, long size) {
+		StringBuilder summaryText = new StringBuilder();
+		if (files != 1)
+			summaryText.append(MessageFormat.format(
+					Messages.GistTaskDataHandler_FilesMultiple, files));
+		else
+			summaryText.append(Messages.GistTaskDataHandler_FilesSingle);
+		summaryText.append(',').append(' ').append(formatSize(size));
+		return summaryText.toString();
+	}
+
+	private String formatSize(long size) {
+		if (size == 1) {
+			return Messages.GistTaskDataHandler_SizeByte;
+		} else if (size < 1024) {
+			return new DecimalFormat(Messages.GistTaskDataHandler_SizeBytes)
+					.format(size);
+		} else if (size >= 1024 && size <= 1048575) {
+			return new DecimalFormat(Messages.GistTaskDataHandler_SizeKilobytes)
+					.format(size / 1024.0);
+		} else if (size >= 1048576 && size <= 1073741823) {
+			return new DecimalFormat(Messages.GistTaskDataHandler_SizeMegabytes)
+					.format(size / 1048576.0);
+		} else {
+			return new DecimalFormat(Messages.GistTaskDataHandler_SizeGigabytes)
+					.format(size / 1073741824.0);
+		}
+	}
+
 	/**
 	 * @see org.eclipse.mylyn.tasks.core.data.AbstractTaskDataHandler#postTaskData(org.eclipse.mylyn.tasks.core.TaskRepository,
 	 *      org.eclipse.mylyn.tasks.core.data.TaskData, java.util.Set,
@@ -219,7 +257,7 @@ public class GistTaskDataHandler extends AbstractTaskDataHandler {
 		TaskAttributeMapper mapper = data.getAttributeMapper();
 
 		TaskAttribute summary = GistAttribute.SUMMARY.create(data);
-		mapper.setValue(summary, "New Gist");
+		mapper.setValue(summary, Messages.GistTaskDataHandler_SummaryNewGist);
 		GistAttribute.DESCRIPTION.create(data);
 
 		return true;
diff --git a/org.eclipse.mylyn.github.core/src/org/eclipse/mylyn/internal/github/core/gist/Messages.java b/org.eclipse.mylyn.github.core/src/org/eclipse/mylyn/internal/github/core/gist/Messages.java
index 4ba2416c..30dba4e6 100644
--- a/org.eclipse.mylyn.github.core/src/org/eclipse/mylyn/internal/github/core/gist/Messages.java
+++ b/org.eclipse.mylyn.github.core/src/org/eclipse/mylyn/internal/github/core/gist/Messages.java
@@ -49,6 +49,30 @@ public class Messages extends NLS {
 	/** */
 	public static String GistConnector_LabelConnector;
 
+	/** */
+	public static String GistTaskDataHandler_FilesMultiple;
+
+	/** */
+	public static String GistTaskDataHandler_FilesSingle;
+
+	/** */
+	public static String GistTaskDataHandler_SizeByte;
+
+	/** */
+	public static String GistTaskDataHandler_SizeBytes;
+
+	/** */
+	public static String GistTaskDataHandler_SizeGigabytes;
+
+	/** */
+	public static String GistTaskDataHandler_SizeKilobytes;
+
+	/** */
+	public static String GistTaskDataHandler_SizeMegabytes;
+
+	/** */
+	public static String GistTaskDataHandler_SummaryNewGist;
+
 	static {
 		// initialize resource bundle
 		NLS.initializeMessages(BUNDLE_NAME, Messages.class);
diff --git a/org.eclipse.mylyn.github.core/src/org/eclipse/mylyn/internal/github/core/gist/messages.properties b/org.eclipse.mylyn.github.core/src/org/eclipse/mylyn/internal/github/core/gist/messages.properties
index 3d788508..53b40d80 100644
--- a/org.eclipse.mylyn.github.core/src/org/eclipse/mylyn/internal/github/core/gist/messages.properties
+++ b/org.eclipse.mylyn.github.core/src/org/eclipse/mylyn/internal/github/core/gist/messages.properties
@@ -8,3 +8,11 @@ GistAttribute_LabelNewComment=New Comment
 GistAttribute_LabelSummary=Summary
 GistAttribute_LabelUrl=Url
 GistConnector_LabelConnector=Github Gists
+GistTaskDataHandler_FilesMultiple={0} files
+GistTaskDataHandler_FilesSingle=1 file
+GistTaskDataHandler_SizeByte=1 byte
+GistTaskDataHandler_SizeBytes=0 bytes
+GistTaskDataHandler_SizeGigabytes=0.00 GB
+GistTaskDataHandler_SizeKilobytes=0.00 KB
+GistTaskDataHandler_SizeMegabytes=0.00 MB
+GistTaskDataHandler_SummaryNewGist=New Gist