From a1ea877042b93949ef244b96e8affd65cc3f89c1 Mon Sep 17 00:00:00 2001
From: James Moger <james.moger@gitblit.com>
Date: Wed, 1 Jun 2011 20:19:51 -0400
Subject: [PATCH] Readme markdown on summary page per-repository.

---
 docs/00_setup.mkd                             |  1 +
 src/com/gitblit/GitBlit.java                  |  2 +
 src/com/gitblit/models/RepositoryModel.java   |  1 +
 .../gitblit/wicket/GitBlitWebApp.properties   |  4 +-
 .../wicket/pages/EditRepositoryPage.html      |  7 +--
 .../wicket/pages/EditRepositoryPage.java      |  1 +
 .../gitblit/wicket/pages/MarkdownPage.html    |  2 +-
 src/com/gitblit/wicket/pages/SummaryPage.html |  8 ++++
 src/com/gitblit/wicket/pages/SummaryPage.java | 43 ++++++++++++++++++-
 9 files changed, 63 insertions(+), 6 deletions(-)

diff --git a/docs/00_setup.mkd b/docs/00_setup.mkd
index 99fd05fc..2eddd44f 100644
--- a/docs/00_setup.mkd
+++ b/docs/00_setup.mkd
@@ -29,6 +29,7 @@ All repository settings are stored within the repository `.git/config` file unde
 	    showRemoteBranches = false
 	    accessRestriction = clone
 	    isFrozen = false
+	    showReadme = false
 	    
 #### Repository Names
 Repository names must be unique and are case-insensitive.  The name must be composed of letters, digits, or `/ _ - .`<br/>
diff --git a/src/com/gitblit/GitBlit.java b/src/com/gitblit/GitBlit.java
index 52dd9dbb..c6eb613d 100644
--- a/src/com/gitblit/GitBlit.java
+++ b/src/com/gitblit/GitBlit.java
@@ -203,6 +203,7 @@ public class GitBlit implements ServletContextListener {
 					"accessRestriction", null));
 			model.showRemoteBranches = getConfig(config, "showRemoteBranches", false);
 			model.isFrozen = getConfig(config, "isFrozen", false);
+			model.showReadme = getConfig(config, "showReadme", false);
 		}
 		r.close();
 		return model;
@@ -278,6 +279,7 @@ public class GitBlit implements ServletContextListener {
 					repository.accessRestriction.name());
 			config.setBoolean("gitblit", null, "showRemoteBranches", repository.showRemoteBranches);
 			config.setBoolean("gitblit", null, "isFrozen", repository.isFrozen);
+			config.setBoolean("gitblit", null, "showReadme", repository.showReadme);
 			try {
 				config.save();
 			} catch (IOException e) {
diff --git a/src/com/gitblit/models/RepositoryModel.java b/src/com/gitblit/models/RepositoryModel.java
index afe1b5a2..97ae5184 100644
--- a/src/com/gitblit/models/RepositoryModel.java
+++ b/src/com/gitblit/models/RepositoryModel.java
@@ -35,6 +35,7 @@ public class RepositoryModel implements Serializable {
 	public boolean useDocs;
 	public AccessRestrictionType accessRestriction;
 	public boolean isFrozen;
+	public boolean showReadme;
 
 	public RepositoryModel() {
 		this("", "", "", new Date(0));
diff --git a/src/com/gitblit/wicket/GitBlitWebApp.properties b/src/com/gitblit/wicket/GitBlitWebApp.properties
index ac45a257..16f2aa0a 100644
--- a/src/com/gitblit/wicket/GitBlitWebApp.properties
+++ b/src/com/gitblit/wicket/GitBlitWebApp.properties
@@ -89,4 +89,6 @@ gb.canAdminDescription = can administer Git:Blit server
 gb.permittedUsers = permitted users
 gb.isFrozen = is frozen
 gb.isFrozenDescription = deny push operations
-gb.zip = zip
\ No newline at end of file
+gb.zip = zip
+gb.showReadme = show readme
+gb.showReadmeDescription = show a \"readme\" markdown file on the summary page
\ No newline at end of file
diff --git a/src/com/gitblit/wicket/pages/EditRepositoryPage.html b/src/com/gitblit/wicket/pages/EditRepositoryPage.html
index 763d46fb..775a5d22 100644
--- a/src/com/gitblit/wicket/pages/EditRepositoryPage.html
+++ b/src/com/gitblit/wicket/pages/EditRepositoryPage.html
@@ -21,10 +21,11 @@
 				<tr><th><wicket:message key="gb.enableTickets"></wicket:message></th><td class="edit"><input type="checkbox" wicket:id="useTickets" tabindex="4" /> &nbsp;<i><wicket:message key="gb.useTicketsDescription"></wicket:message></i></td></tr>
 				<tr><th><wicket:message key="gb.enableDocs"></wicket:message></th><td class="edit"><input type="checkbox" wicket:id="useDocs" tabindex="5" /> &nbsp;<i><wicket:message key="gb.useDocsDescription"></wicket:message></i></td></tr>
 				<tr><th><wicket:message key="gb.showRemoteBranches"></wicket:message></th><td class="edit"><input type="checkbox" wicket:id="showRemoteBranches" tabindex="6" /> &nbsp;<i><wicket:message key="gb.showRemoteBranchesDescription"></wicket:message></i></td></tr>
-				<tr><th><wicket:message key="gb.accessRestriction"></wicket:message></th><td class="edit"><select wicket:id="accessRestriction" tabindex="7" /></td></tr>				
-				<tr><th><wicket:message key="gb.isFrozen"></wicket:message></th><td class="edit"><input type="checkbox" wicket:id="isFrozen" tabindex="8" /> &nbsp;<i><wicket:message key="gb.isFrozenDescription"></wicket:message></i></td></tr>
+				<tr><th><wicket:message key="gb.showReadme"></wicket:message></th><td class="edit"><input type="checkbox" wicket:id="showReadme" tabindex="7" /> &nbsp;<i><wicket:message key="gb.showReadmeDescription"></wicket:message></i></td></tr>
+				<tr><th><wicket:message key="gb.accessRestriction"></wicket:message></th><td class="edit"><select wicket:id="accessRestriction" tabindex="8" /></td></tr>				
+				<tr><th><wicket:message key="gb.isFrozen"></wicket:message></th><td class="edit"><input type="checkbox" wicket:id="isFrozen" tabindex="9" /> &nbsp;<i><wicket:message key="gb.isFrozenDescription"></wicket:message></i></td></tr>
 				<tr><th style="vertical-align: top;"><wicket:message key="gb.permittedUsers"></wicket:message></th><td style="padding:2px;"><span wicket:id="users"></span></td></tr>				
-				<tr><th></th><td class="editButton"><input type="submit" value="Save" wicket:message="value:gb.save" tabindex="9" /></td></tr>
+				<tr><th></th><td class="editButton"><input type="submit" value="Save" wicket:message="value:gb.save" tabindex="10" /></td></tr>
 			</tbody>
 		</table>
 	</form>	
diff --git a/src/com/gitblit/wicket/pages/EditRepositoryPage.java b/src/com/gitblit/wicket/pages/EditRepositoryPage.java
index a1a42d00..eb2a8e64 100644
--- a/src/com/gitblit/wicket/pages/EditRepositoryPage.java
+++ b/src/com/gitblit/wicket/pages/EditRepositoryPage.java
@@ -164,6 +164,7 @@ public class EditRepositoryPage extends BasePage {
 		form.add(new CheckBox("useTickets"));
 		form.add(new CheckBox("useDocs"));
 		form.add(new CheckBox("showRemoteBranches"));
+		form.add(new CheckBox("showReadme"));
 		form.add(usersPalette);
 
 		add(form);
diff --git a/src/com/gitblit/wicket/pages/MarkdownPage.html b/src/com/gitblit/wicket/pages/MarkdownPage.html
index b8c9cfba..a0f60904 100644
--- a/src/com/gitblit/wicket/pages/MarkdownPage.html
+++ b/src/com/gitblit/wicket/pages/MarkdownPage.html
@@ -19,7 +19,7 @@
 		</div>	
 	
 		<!--  markdown content -->
-		<div class="markdown" wicket:id="markdownText">[markdown content]</div>
+		<div class="markdown" style="padding-bottom:5px;" wicket:id="markdownText">[markdown content]</div>
 </wicket:extend>
 </body>
 </html>
\ No newline at end of file
diff --git a/src/com/gitblit/wicket/pages/SummaryPage.html b/src/com/gitblit/wicket/pages/SummaryPage.html
index ed94192a..7d5629b6 100644
--- a/src/com/gitblit/wicket/pages/SummaryPage.html
+++ b/src/com/gitblit/wicket/pages/SummaryPage.html
@@ -4,6 +4,12 @@
       xml:lang="en"  
       lang="en"> 
 
+<wicket:head>
+  <wicket:link>
+   	<link href="/com/gitblit/wicket/resources/markdown.css" type="text/css" rel="stylesheet" />
+  </wicket:link>
+</wicket:head>
+
 <body>
 <wicket:extend>
 	
@@ -38,6 +44,8 @@
 		<div wicket:id="tagsPanel">[tags panel]</div>
 	</div>
 	
+	<!-- markdown readme -->
+	<div wicket:id="readme" class="markdown" style="clear:both;padding-bottom:5px;"></div>
 </wicket:extend>	
 </body>
 </html>
\ No newline at end of file
diff --git a/src/com/gitblit/wicket/pages/SummaryPage.java b/src/com/gitblit/wicket/pages/SummaryPage.java
index f8206941..c054fcca 100644
--- a/src/com/gitblit/wicket/pages/SummaryPage.java
+++ b/src/com/gitblit/wicket/pages/SummaryPage.java
@@ -18,6 +18,7 @@ package com.gitblit.wicket.pages;
 import java.awt.Color;
 import java.awt.Dimension;
 import java.text.MessageFormat;
+import java.text.ParseException;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -27,6 +28,7 @@ import org.apache.wicket.PageParameters;
 import org.apache.wicket.markup.html.basic.Label;
 import org.apache.wicket.protocol.http.WebRequest;
 import org.eclipse.jgit.lib.Repository;
+import org.eclipse.jgit.revwalk.RevCommit;
 import org.wicketstuff.googlecharts.Chart;
 import org.wicketstuff.googlecharts.ChartAxis;
 import org.wicketstuff.googlecharts.ChartAxisType;
@@ -42,7 +44,9 @@ import com.gitblit.Constants.AccessRestrictionType;
 import com.gitblit.GitBlit;
 import com.gitblit.Keys;
 import com.gitblit.models.Metric;
+import com.gitblit.models.PathModel;
 import com.gitblit.utils.JGitUtils;
+import com.gitblit.utils.MarkdownUtils;
 import com.gitblit.utils.MetricUtils;
 import com.gitblit.utils.StringUtils;
 import com.gitblit.utils.TimeUtils;
@@ -140,6 +144,42 @@ public class SummaryPage extends RepositoryPage {
 		add(new TagsPanel("tagsPanel", repositoryName, r, numberRefs));
 		add(new BranchesPanel("branchesPanel", getRepositoryModel(), r, numberRefs));
 
+		if (getRepositoryModel().showReadme) {
+			String htmlText = null;
+			try {
+				RevCommit head = JGitUtils.getCommit(r, null);
+				List<String> markdownExtensions = GitBlit.getStrings(Keys.web.markdownExtensions);
+				List<PathModel> paths = JGitUtils.getFilesInPath(r, null, head);
+				String readme = null;
+				for (PathModel path : paths) {
+					if (!path.isTree()) {
+						String name = path.name.toLowerCase();
+
+						if (name.startsWith("readme")) {
+							if (name.indexOf('.') > -1) {
+								String ext = name.substring(name.lastIndexOf('.') + 1);
+								if (markdownExtensions.contains(ext)) {
+									readme = path.name;
+									break;
+								}
+							}
+						}
+					}
+				}
+				if (!StringUtils.isEmpty(readme)) {
+					String markdownText = JGitUtils.getRawContentAsString(r, head, readme);
+					htmlText = MarkdownUtils.transformMarkdown(markdownText);
+				}
+			} catch (ParseException p) {
+				error(p.getMessage());
+			}
+			// Add the html to the page
+			add(new Label("readme", htmlText).setEscapeModelStrings(false).setVisible(
+					!StringUtils.isEmpty(htmlText)));
+		} else {
+			add(new Label("readme").setVisible(false));
+		}
+
 		// Display an activity line graph
 		insertActivityGraph(metrics);
 	}
@@ -162,7 +202,8 @@ public class SummaryPage extends RepositoryPage {
 			provider.addAxis(dateAxis);
 
 			ChartAxis commitAxis = new ChartAxis(ChartAxisType.LEFT);
-			commitAxis.setLabels(new String[] { "", String.valueOf((int) WicketUtils.maxValue(metrics)) });
+			commitAxis.setLabels(new String[] { "",
+					String.valueOf((int) WicketUtils.maxValue(metrics)) });
 			provider.addAxis(commitAxis);
 
 			provider.setLineStyles(new LineStyle[] { new LineStyle(2, 4, 0), new LineStyle(0, 4, 1) });
-- 
2.39.5