From e4fa888c38a582326ba0bd47e8d868577a2493f6 Mon Sep 17 00:00:00 2001
From: Tom Preston-Werner <tom@mojombo.com>
Date: Mon, 2 Aug 2010 18:15:41 -0600
Subject: [PATCH] Implement simple history.

---
 lib/gollum.rb                                 |  3 +
 lib/gollum/frontend/app.rb                    |  7 ++
 lib/gollum/frontend/public/css/screen.css     | 78 ++++++++++++++++++-
 .../frontend/templates/history.mustache       | 30 +++++++
 lib/gollum/frontend/templates/page.mustache   |  7 +-
 lib/gollum/frontend/views/history.rb          | 30 +++++++
 lib/gollum/frontend/views/page.rb             | 12 ---
 7 files changed, 148 insertions(+), 19 deletions(-)
 create mode 100644 lib/gollum/frontend/templates/history.mustache
 create mode 100644 lib/gollum/frontend/views/history.rb

diff --git a/lib/gollum.rb b/lib/gollum.rb
index 390b778e..1d82b261 100644
--- a/lib/gollum.rb
+++ b/lib/gollum.rb
@@ -1,3 +1,6 @@
+# stdlib
+require 'digest/md5'
+
 # external
 require 'grit'
 require 'github/markup'
diff --git a/lib/gollum/frontend/app.rb b/lib/gollum/frontend/app.rb
index 65c3bbce..cd814c14 100644
--- a/lib/gollum/frontend/app.rb
+++ b/lib/gollum/frontend/app.rb
@@ -78,6 +78,13 @@ module Precious
       wiki.preview_page("Preview", data, format).formatted_data
     end
 
+    get '/history/:name' do
+      @name = params[:name]
+      wiki = Gollum::Wiki.new($path)
+      @page = wiki.page(@name)
+      mustache :history
+    end
+
     get %r{/(.+?)/([0-9a-f]{40})} do
       name = params[:captures][0]
       wiki = Gollum::Wiki.new($path)
diff --git a/lib/gollum/frontend/public/css/screen.css b/lib/gollum/frontend/public/css/screen.css
index 617f963d..7709b0ca 100644
--- a/lib/gollum/frontend/public/css/screen.css
+++ b/lib/gollum/frontend/public/css/screen.css
@@ -487,4 +487,80 @@ label.wiki-label {
 
 .comment-form .comment{
   margin:5px 0 0 0;
-}
\ No newline at end of file
+}
+
+/****************************************************************************/
+/* History
+/****************************************************************************/
+
+table.commits {
+  width: 100%;
+  border-left: 1px solid #ccc;
+  border-right: 1px solid #ccc;
+  border-top: 1px solid #ccc;
+  margin-bottom: 2em;
+}
+
+  table.commits tr td {
+    background-color: #eaf2f5;
+  }
+
+  table.commits th {
+    font-weight: normal;
+    border-bottom: 1px solid #ccc;
+    padding: .3em .6em;
+    background-color: #eee;
+    font-size: 95%;
+    text-align:left;
+  }
+
+  table.commits td {
+    border-bottom: 1px solid #ccc;
+    padding: .3em .6em;
+  }
+
+    table.commits td.sha,
+    table.commits td.message {
+      font-family: Monaco, "Courier New", "DejaVu Sans Mono", "Bitstream Vera Sans Mono", monospace;
+      font-size: 80%;
+    }
+
+    table.commits td.checkbox {
+      width: 3%;
+    }
+
+    table.commits td.sha {
+      width: 6%;
+    }
+
+    table.commits td.human {
+      font-family: Monaco, "Courier New", "DejaVu Sans Mono", "Bitstream Vera Sans Mono", monospace;
+      font-size: 80%;
+      width: 4%;
+      color: #888;
+    }
+
+    table.commits td.author {
+      width: 15%;
+      font-weight: bold;
+    }
+
+      table.commits td.author img {
+        vertical-align: middle;
+        border: 1px solid #ccc;
+        padding: 1px;
+        background-color: white;
+      }
+
+    table.commits td.message a {
+      color: black;
+    }
+
+      table.commits td.message a:hover {
+        text-decoration: underline;
+      }
+
+    table.commits td.date {
+      width: 12%;
+      text-align: right;
+    }
\ No newline at end of file
diff --git a/lib/gollum/frontend/templates/history.mustache b/lib/gollum/frontend/templates/history.mustache
new file mode 100644
index 00000000..3166ae09
--- /dev/null
+++ b/lib/gollum/frontend/templates/history.mustache
@@ -0,0 +1,30 @@
+<div class="guide">
+  <div class="main">
+    <div class="actions">
+      <a href="/{{name}}">&laquo; Back</a>
+    </div>
+    <h1>History of {{human_name}}</h1>
+    <table class="commits" cellpadding="0" cellspacing="0">
+      <tr>
+        <th colspan="7">
+          Select any two versions to <input type="button" value="Compare" />
+        </th>
+      {{#versions}}
+        <tr>
+          <td class="checkbox">
+            <input type="checkbox" />
+          </td>
+          <td class="sha">
+            <a href="/{{name}}/{{id}}">{{id7}}</a>
+          </td>
+          <td nowrap class="author">
+            <img src="http://www.gravatar.com/avatar/{{gravatar}}?s=16" alt="Gravatar" />
+            {{author}}
+          </td>
+          <td class="message">{{message}}</td>
+          <td class="date">{{date}}</td>
+        </tr>
+      {{/versions}}
+    </table>
+  </div>
+</div>
\ No newline at end of file
diff --git a/lib/gollum/frontend/templates/page.mustache b/lib/gollum/frontend/templates/page.mustache
index 321814dc..ce799d27 100644
--- a/lib/gollum/frontend/templates/page.mustache
+++ b/lib/gollum/frontend/templates/page.mustache
@@ -22,11 +22,6 @@
     </div>
   </div>
   <div style="float: right;">
-    <small>Versions:</small>
-    <select id="versions_select" name="versions_select">
-      {{#versions}}
-        <option {{#selected}}selected="true" {{/selected}}value="/{{name}}/{{id}}">Version {{num}} ({{id7}}) by {{author}}</option>
-      {{/versions}}
-    </select>
+    <a href="/history/{{name}}">View Revision History</a>
   </div>
 </div>
diff --git a/lib/gollum/frontend/views/history.rb b/lib/gollum/frontend/views/history.rb
new file mode 100644
index 00000000..648db01b
--- /dev/null
+++ b/lib/gollum/frontend/views/history.rb
@@ -0,0 +1,30 @@
+module Precious
+  module Views
+    class History < Layout
+      attr_reader :page
+
+      def human_name
+        @page.title
+      end
+
+      def title
+        "A Page"
+      end
+
+      def versions
+        i = @page.versions.size + 1
+        @page.versions.map do |v|
+          i -= 1
+          { :id => v.id,
+            :id7 => v.id[0..6],
+            :num => i,
+            :selected => @page.version.id == v.id,
+            :author => v.author.name,
+            :message => v.message,
+            :date => v.committed_date.strftime("%B %d, %Y"),
+            :gravatar => Digest::MD5.hexdigest(v.author.email) }
+        end
+      end
+    end
+  end
+end
diff --git a/lib/gollum/frontend/views/page.rb b/lib/gollum/frontend/views/page.rb
index d3681288..e2211da5 100644
--- a/lib/gollum/frontend/views/page.rb
+++ b/lib/gollum/frontend/views/page.rb
@@ -37,18 +37,6 @@ module Precious
         @footer ||= @page.footer
         @footer.format.to_s
       end
-
-      def versions
-        i = @page.versions.size + 1
-        @page.versions.map do |v|
-          i -= 1
-          { :id => v.id,
-            :id7 => v.id[0..6],
-            :num => i,
-            :selected => @page.version.id == v.id,
-            :author => v.author.name }
-        end
-      end
     end
   end
 end