Add tag search on public page

app/controllers/posts_controller.rb

@@ -10,9 +10,21 @@ class PostsController < ApplicationController
   skip_before_filter :set_grammatical_gender
 
   def index
-    @posts = StatusMessage.joins(:author).where(Person.arel_table[:owner_id].not_eq(nil)).where(:public => true, :pending => false
-             ).includes(:comments, :photos
-             ).paginate(:page => params[:page], :per_page => 15, :order => 'created_at DESC')
+    if current_user
+      @posts = StatusMessage.joins(:aspects, :author).where(:pending => false
+               ).where(Aspect.arel_table[:user_id].eq(current_user.id).or(StatusMessage.arel_table[:public].eq(true))
+               ).select('DISTINCT `posts`.*')
+    else
+      @posts = StatusMessage.joins(:author).where(:public => true, :pending => false)
+    end
+
+    if params[:tag]
+      @posts = @posts.tagged_with(params[:tag])
+    else
+      @posts = @posts.where(Person.arel_table[:owner_id].not_eq(nil))
+    end
+
+    @posts = @posts.includes(:comments, :photos).paginate(:page => params[:page], :per_page => 15, :order => 'created_at DESC')
 
     @fakes = PostsFake.new(@posts)
     @commenting_disabled = true

app/views/posts/index.html.haml

@@ -10,6 +10,9 @@
   = include_javascripts :home
 
 %h1
+  - if params[:tag]
+    = t('.posts_tagged_with', :tag => params[:tag])
+  - else
     = t('.whatup', :pod => @pod_url)
 
 .span-15

config/locales/diaspora/en.yml

@@ -426,6 +426,7 @@ en:
   posts:
       index:
           whatup: "What's happening on %{pod}"
+          posts_tagged_with: "Posts tagged with #%{tag}"
   requests:
       manage_aspect_contacts:
           manage_within: "Manage contacts within"

spec/controllers/posts_controller_spec.rb

@@ -19,17 +19,50 @@ describe PostsController do
         get :index
         response.status.should == 200
       end
+      it "shows the signed in user's posts" do
+        posts = []
+        2.times do
+          posts << @user.post(:status_message, :message => "#what", :to => 'all')
+        end
+        eve.post(:status_message, :message => "#what", :to => 'all')
+
+        get :index
+        assigns[:posts].should =~ posts
+      end
+      it "shows any posts that the user can see" do
+        posts = []
+        2.times do
+          posts << bob.post(:status_message, :message => "#what", :to => 'all')
+        end
+        eve.post(:status_message, :message => "#what", :to => 'all')
+
+        get :index
+        assigns[:posts].should =~ posts
+      end
+    end
+    it 'restricts the posts by tag' do
+      posts = []
+      2.times do
+        posts << @user.post(:status_message, :message => "#what", :public => true, :to => 'all')
+      end
+      2.times do
+        @user.post(:status_message, :message => "#hello", :public => true, :to => 'all')
+      end
+
+      get :index, :tag => 'what'
+      assigns[:posts].should =~ posts
+
     end
     it 'shows the most recent public posts' do
       posts = []
-      10.times do
+      3.times do
         posts << @user.post(:status_message, :message => "hello", :public => true, :to => 'all')
       end
       get :index
       assigns[:posts].should =~ posts
     end
     it' shows only local posts' do
-      10.times do
+      3.times do
         @user.post(:status_message, :message => "hello", :public => true, :to => 'all')
       end
       @user.person.update_attributes(:owner_id => nil)