Add some administrator only actions to the user page.

app/controllers/user_controller.rb

@@ -11,6 +11,8 @@ class UserController < ApplicationController
   before_filter :require_allow_read_prefs, :only => [:api_details]
   before_filter :require_allow_read_gpx, :only => [:api_gpx_files]
   before_filter :require_cookies, :only => [:login, :confirm]
+  before_filter :require_administrator, :only => [:activate, :deactivate, :hide, :unhide, :delete]
+  before_filter :lookup_this_user, :only => [:activate, :deactivate, :hide, :unhide, :delete]
 
   filter_parameter_logging :password, :pass_crypt, :pass_crypt_confirmation
 
@@ -255,9 +257,10 @@ class UserController < ApplicationController
   end
 
   def view
-    @this_user = User.find_by_display_name(params[:display_name], :conditions => {:visible => true})
+    @this_user = User.find_by_display_name(params[:display_name])
 
-    if @this_user
+    if @this_user and
+       (@this_user.visible? or (@user and @user.administrator?))
       @title = @this_user.display_name
     else
       @title = t 'user.no_such_user.title'
@@ -302,4 +305,57 @@ class UserController < ApplicationController
       redirect_to :controller => 'user', :action => 'view'
     end
   end
+
+  ##
+  # activate a user, allowing them to log in
+  def activate
+    @this_user.update_attributes(:active => true)
+    redirect_to :controller => 'user', :action => 'view', :display_name => params[:display_name]
+  end
+
+  ##
+  # deactivate a user, preventing them from logging in
+  def deactivate
+    @this_user.update_attributes(:active => false)
+    redirect_to :controller => 'user', :action => 'view', :display_name => params[:display_name]
+  end
+
+  ##
+  # hide a user, marking them as logically deleted
+  def hide
+    @this_user.update_attributes(:visible => false)
+    redirect_to :controller => 'user', :action => 'view', :display_name => params[:display_name]
+  end
+
+  ##
+  # unhide a user, clearing the logically deleted flag
+  def unhide
+    @this_user.update_attributes(:visible => true)
+    redirect_to :controller => 'user', :action => 'view', :display_name => params[:display_name]
+  end
+
+  ##
+  # delete a user, marking them as deleted and removing personal data
+  def delete
+    @this_user.delete
+    redirect_to :controller => 'user', :action => 'view', :display_name => params[:display_name]
+  end
+private
+  ##
+  # require that the user is a administrator, or fill out a helpful error message
+  # and return them to the user page.
+  def require_administrator
+    unless @user.administrator?
+      flash[:notice] = t('user.filter.not_an_administrator')
+      redirect_to :controller => 'user', :action => 'view', :display_name => params[:display_name]
+    end
+  end
+
+  ##
+  # ensure that there is a "this_user" instance variable
+  def lookup_this_user
+    @this_user = User.find_by_display_name(params[:display_name])
+  rescue ActiveRecord::RecordNotFound
+    redirect_to :controller => 'user', :action => 'view', :display_name => params[:display_name] unless @this_user
+  end
 end

app/views/user/view.html.erb

@@ -41,6 +41,20 @@
 | <%= link_to t('user.view.create_block'), :controller => 'user_blocks', :action => 'new', :display_name => @this_user.display_name %>
 <% end %>
 <% end %>
+<% if @user and @user.administrator? %>
+<br/>
+<% if @this_user.active? %>
+<%= link_to t('user.view.deactivate_user'), {:controller => 'user', :action => 'deactivate', :display_name => @this_user.display_name}, {:confirm => t('user.view.confirm')} %>
+<% else %>
+<%= link_to t('user.view.activate_user'), {:controller => 'user', :action => 'activate', :display_name => @this_user.display_name}, {:confirm => t('user.view.confirm')} %>
+<% end %>
+<% if @this_user.visible? %>
+| <%= link_to t('user.view.hide_user'), {:controller => 'user', :action => 'hide', :display_name => @this_user.display_name}, {:confirm => t('user.view.confirm')} %>
+| <%= link_to t('user.view.delete_user'), {:controller => 'user', :action => 'delete', :display_name => @this_user.display_name}, {:confirm => t('user.view.confirm')} %>
+<% else %>
+| <%= link_to t('user.view.unhide_user'), {:controller => 'user', :action => 'unhide', :display_name => @this_user.display_name}, {:confirm => t('user.view.confirm')} %>
+<% end %>
+<% end %>
 </div>
 
 <p><b><%= t 'user.view.mapper since' %></b> <%= l @this_user.creation_time %> <%= t 'user.view.ago', :time_in_words_ago => time_ago_in_words(@this_user.creation_time) %></p>

config/locales/en.yml

@@ -970,6 +970,12 @@ en:
       block_history: "view blocks received"
       moderator_history: "view blocks given"
       create_block: "block this user"
+      activate_user: "activate this user"
+      deactivate_user: "deactivate this user"
+      hide_user: "hide this user"
+      unhide_user: "unhide this user"
+      delete_user: "delete this user"
+      confirm: "Confirm"
     friend_map:
       your location: Your location
       nearby mapper: "Nearby mapper: [[nearby_user]]"
@@ -1019,6 +1025,8 @@ en:
     remove_friend:
       success: "{{name}} was removed from your friends."
       not_a_friend: "{{name}} is not one of your friends."
+    filter:
+      not_an_administrator: "You need to be an administrator to perform that action."
   user_role:
     filter:
       not_an_administrator: "Only administrators can perform user role management, and you are not an administrator."

config/routes.rb

@@ -158,6 +158,11 @@ ActionController::Routing::Routes.draw do |map|
   map.connect '/user/:display_name/diary/:id/edit', :controller => 'diary_entry', :action => 'edit', :id => /\d+/
   map.connect '/user/:display_name/account', :controller => 'user', :action => 'account'
   map.connect '/user/:display_name/set_home', :controller => 'user', :action => 'set_home'
+  map.connect '/user/:display_name/activate', :controller => 'user', :action => 'activate'
+  map.connect '/user/:display_name/deactivate', :controller => 'user', :action => 'deactivate'
+  map.connect '/user/:display_name/hide', :controller => 'user', :action => 'hide'
+  map.connect '/user/:display_name/unhide', :controller => 'user', :action => 'unhide'
+  map.connect '/user/:display_name/delete', :controller => 'user', :action => 'delete'
   map.connect '/diary', :controller => 'diary_entry', :action => 'list'
   map.connect '/diary/rss', :controller => 'diary_entry', :action => 'rss'
   map.connect '/diary/:language', :controller => 'diary_entry', :action => 'list'