add admin console function: delete commenters, delete comments

Author: robbin

TODO

@@ -1,17 +1,13 @@
 - Now
-  * upload logo
-  * comment box tips: markdown style
-  * upload attachment and delete immediately
+  * upload attachment and delete immediately bug
 
 - Backend
   * Editor Tab
-  * admin panel: 
-    + upload logo
-    + change name and password
-    + delete commenter
-    + delete blog comments
+  * admin panel style:
+    + user profile setting
+    + show accounts list
+    + show blog comments list
     + quick modifiy articles' tags
-  * file upload enhancement
 
 - Frontend
   * resume
@@ -25,5 +21,4 @@
   * default website favicon
 
 - Bug
-  * upload attachment and delete immediately
   * IE compatiablity

app/controllers/admin.rb

@@ -63,7 +63,13 @@
     content_type :js
     comment = BlogComment.find params[:id]
     comment.destroy
-    "$('div#comments>ul>li##{comment.id}').fadeOut('slow', function(){$(this).remove();});"
+    if params[:quick]
+      # delete comment from admin console
+      "$('tr#comment_#{comment.id}').fadeOut('slow', function(){ $(this).remove();});"
+    else
+      # delete comment from blog article
+      "$('div#comments>ul>li##{comment.id}').fadeOut('slow', function(){$(this).remove();});"
+    end
   end
 
   # attachment related routes: upload, show, delete attachment...
@@ -120,6 +126,15 @@
     render 'admin/accounts'
   end
 
+  delete :account, :map => '/admin/account/:id' do
+    content_type :js
+    account = Account.find params[:id]
+    if account.commenter?
+      account.destroy
+      "$('tr#account_#{account.id}').fadeOut('slow', function(){ $(this).remove();});"
+    end
+  end
+  
   get :blogs, :map => '/admin/blogs' do
     @blogs = Blog.order('id DESC').page(params[:page]).per_page(100)
     render 'admin/blogs'

app/controllers/home.rb

@@ -27,7 +27,6 @@
     content_type :rss
     @blogs = Blog.order('id DESC').limit(20)
     render 'home/rss'
-    # APP_CACHE.fetch("#{CACHE_PREFIX}/rss/all") { render 'home/rss' }
   end
 
   # native authentication

app/helpers.rb

@@ -71,6 +71,6 @@ def ping_search_engine(blog)
                 APP_CONFIG['site_url'] + '/rss',
                 blog.cached_tag_list.gsub(/,/, '|'))
   rescue Exception => e
-   logger.error e
+    logger.error e
   end
 end

app/views/admin/_attachment.erb

@@ -1,5 +1,5 @@
 <div id="attachment_<%= attachment.id %>">
-  <%= attachment.file.url %>
-  <%= link_to '删除', url(:admin, :attachment, :id => attachment.id), :method => :delete, :remote => true, :confirm => '是否删除附件' %>
-  <a href="#" onclick="window.parent.$('#blog_content').insertAtCaret('\n![](<%= attachment.file.url %>)\n');return false;">插入</a>
+  <%= link_to attachment.file.file.identifier, attachment.file.url, :target => '_blank' %>
+  <%= link_to image_tag('btn_delete.png', :title => '删除附件'), url(:admin, :attachment, :id => attachment.id), :method => :delete, :remote => true, :confirm => '是否删除附件' %>
+  <a href="#" onclick="window.parent.$('#blog_content').insertAtCaret('\n![](<%= attachment.file.url %>)\n');return false;"><%= image_tag 'btn_sticky.png', :title => '将图片插入编辑器' %></a>
 </div>

app/views/admin/_form.erb

@@ -51,8 +51,10 @@
     <th valign="top">附件</th>
     <td>
       <% unless @attachments.blank? %>
-        <%= partial 'admin/attachment', :collection => @attachments %>
+      已上传的文件：
+      <%= partial 'admin/attachment', :collection => @attachments %>
       <% end %>
+      上传新的文件：
       <div id="attachment_iframes">
         <iframe src="<%= url(:admin, :new_attachment) %>" style="border:0px;height:30px;width:100%;" frameborder="0" border="0" cellspacing="0" allowTransparency="true" scrolling="no" resizable="no"></iframe>
       </div>

app/views/admin/accounts.erb

@@ -1 +1,24 @@
-accounts.
+<table>
+  <caption>管理员列表: 共<%=  @admin_accounts.size %>人</caption>
+  <% @admin_accounts.each_with_index do |account, index| %>
+  <tr>
+    <td><%= index + 1 %></td>
+    <td><%= account.name %></td>
+    <td><%= account.blogs_count %></td>
+    <td><%= account.comments_count %></td>
+    <td><%= link_to '编辑', url(:admin, :edit_profile, :id => account.id) %></td>
+  </tr>
+  <% end %>
+</table>
+
+<table>
+  <caption>评论者列表: 共<%=  @commenters.size %>人</caption>
+  <% @commenters.each_with_index do |account, index| %>
+  <tr id='<%= "account_#{account.id}" %>'>
+    <td><%= index+1 %></td>
+    <td><%= commenter_link account %></td>
+    <td><%= account.comments_count %></td>
+    <td><%= link_to '删除', url(:admin, :account, :id => account.id), :method => :delete, :remote => true, :confirm => '要删除用户吗？' %></td>
+  </tr>
+  <% end %>
+</table>

app/views/admin/comments.erb

@@ -1 +1,13 @@
-comments
+<table>
+  <caption>评论列表: 共<%=  @comments.total_entries %>条</caption>
+  <% @comments.each_with_index do |comment, index| %>
+  <tr id='<%= "comment_#{comment.id}" %>'>
+    <td><%= index + 1 %></td>
+    <td><%= commenter_link comment.account %></td>
+    <td><%= link_to "删除", url(:admin, :comment, :id => comment.id, :quick => true), :method => :delete, :remote => true, :confirm => '要删除评论吗？' %></td>
+    <td><%= comment.brief_content %></td>
+  </tr>
+  <% end %>
+</table>
+
+<%= (will_paginate @comments, :previous_label => '前一页', :next_label => '后一页').to_s.html_safe %>

app/views/blog/_comment.erb

@@ -5,7 +5,7 @@
       <span class="user_name"><%= commenter_link(comment.account) %></span>
       <span class="time"><%= time_ago_in_words(comment.created_at) %></span>
       <% if account_admin? %>
-      <span><%= link_to "删除", url(:admin, :comment, :id => comment.id), :method => :delete, :remote => true %></span>
+      <span><%= link_to "删除", url(:admin, :comment, :id => comment.id), :method => :delete, :remote => true, :confirm => '要删除评论吗？' %></span>
       <% end %>
     </div>
     <p><%= comment.md_content.html_safe %></p>

app/views/blog/show.erb

@@ -41,17 +41,17 @@
 
     <div class="comment clearfix">
       <div id="comments">      
-        <h2><span><%= @blog.comments_count %></span>Comment</h2>
+        <h2><span><%= @blog.comments_count %></span>条评论</h2>
         <ul>
           <% if @blog.comments_count > 0 %>
           <%= partial 'blog/comment', :collection => @blog.comments.reverse %>
           <% end %>
         </ul>
       </div>
       <% if @blog.commentable? %>
-      <h4>Leave a Reply</h4>
       <a name="comments"></a>
       <div class="relative">
+        <div style="text-align:right;">[<a href="http://wowubuntu.com/markdown/" target="_blank">评论可以使用Markdown格式</a>]</div>
         <% form_for BlogComment.new, url(:blog, :create_comment, :id => @blog.id), :remote => true do |f| %>
         <%= f.text_area :content, :class => 'comment' %>
         <div id="comment-error-info"></div>

models/account.rb

@@ -36,7 +36,11 @@ def has_password?(password)
   end
 
   def admin?
-    self.role == "admin"
+    self.role == 'admin'
+  end
+  
+  def commenter?
+    self.role == 'commenter'
   end
 
   def encrypt_cookie_value

models/blog_comment.rb

@@ -18,7 +18,7 @@ def content_cache_key
   end
 
   def brief_content
-    Sanitize.clean(content)
+    Sanitize.clean(content).truncate(100)
   end
 
   def md_content