DG MS added basic album traversal

.gitignore

@@ -11,3 +11,4 @@ gpg/diaspora-development/*.gpg
 gpg/diaspora-production/*.gpg
 gpg/*/random_seed
 public/uploads/*
+public/public/*

app/controllers/photos_controller.rb

@@ -4,10 +4,10 @@ class PhotosController < ApplicationController
   def create
     @photo = Photo.new(params[:photo])
     @photo.person = current_user
-    @photo.album = Album.first(:id => params[:photo][:album_id])
+    #@photo.album = Album.first(:id => params[:photo][:album_id])
 
     if @photo.save
-      @photo.album.save
+      #@photo.album.save
       flash[:notice] = "Successfully uploaded photo."
       redirect_to @photo.album
     else

app/models/album.rb

@@ -9,4 +9,15 @@ class Album
   timestamps!
 
   validates_presence_of :name
+
+  def prev_photo(photo)
+    n_photo = self.photos.where(:created_at.lt => photo.created_at).sort(:created_at.desc).first
+    n_photo ? n_photo : self.photos.sort(:created_at.desc).first
+  end
+
+  def next_photo(photo)
+    p_photo = self.photos.where(:created_at.gt => photo.created_at).sort(:created_at.asc).first
+    p_photo ? p_photo : self.photos.sort(:created_at.desc).last
+  end
+
 end

app/models/photo.rb

@@ -4,5 +4,8 @@ class Photo < Post
   mount_uploader :image, ImageUploader
 
   key :album_id, ObjectId
-  one :album, :class_name => 'Album'
+  belongs_to :album, :class_name => 'Album'
+  timestamps!
+
+  validates_presence_of :album
 end

app/uploaders/image_uploader.rb

@@ -1,10 +1,10 @@
 class ImageUploader < CarrierWave::Uploader::Base
   include CarrierWave::MiniMagick
 
-  storage :grid_fs
+  storage :file
 
   def store_dir
-    "files/#{model.id}"
+    "public/uploads"
   end
 
   def extension_white_list

app/views/photos/_photo.haml

@@ -1,5 +1,4 @@
 %li.message{:id => post.id}
-
   = person_image_tag(post.person)
 
   %span.from

app/views/photos/show.html.haml

@@ -1,6 +1,12 @@
-- title "Photo"
+
+%h3= "viewing photos from album #{@album.name}"
+
 #show_photo
-  = image_tag @photo.image.url
+  = link_to (image_tag @photo.image.url), photo_path(@album.next_photo(@photo))
+
+#photo_pagination
+  = link_to "<< previous", photo_path(@album.prev_photo(@photo))
+  = link_to "next >>", photo_path(@album.next_photo(@photo))
 
 %h4= "comments (#{@photo.comments.count})"
 = render "comments/comments", :post => @photo
@@ -8,4 +14,4 @@
 %p
   = link_to "Destroy", @photo, :confirm => 'Are you sure?', :method => :delete
   |
-  = link_to "<< back to album", object_path(@album)
+  = link_to "<< back to album", album_path(@album)

config/initializers/carrierwave.rb

@@ -1,6 +1,7 @@
 CarrierWave.configure do |config|
-  config.grid_fs_database = "#diaspora-#{Rails.env}"
-  config.grid_fs_host = 'localhost'
-  config.grid_fs_access_url = "/images"
-  config.storage = :grid_fs
+  #config.grid_fs_database = "#diaspora-#{Rails.env}"
+  #config.grid_fs_host = 'localhost'
+  #config.grid_fs_access_url = "/images"
+  #config.storage = :grid_fs
+  config.storage = :file
 end

public/javascripts/view.js

@@ -24,9 +24,11 @@ $(document).ready(function(){
 	  });
 
 	$('a').hover(function(){
-	  $(this).fadeTo(60, 0.5);
+    if( $(this).children("img").length < 1 )
+      $(this).fadeTo(60, 0.5);
 	}, function(){
-	  $(this).fadeTo(80, 1);
+    if( $(this).children("img").length < 1 )
+      $(this).fadeTo(80, 1);
 	});
 
 	$('#debug_info').click(function() {

public/stylesheets/application.css

@@ -164,14 +164,17 @@ form {
   #user_name a {
     color: black; }
 
-div.comments {
+#stream div.comments {
   display: none; }
 
+#stream ul.comment_set {
+  padding: 0;
+    padding-left: 1em; }
+
 ul.comment_set {
   margin: 0;
     margin-top: 1em;
   padding: 0;
-    padding-left: 1em;
   list-style: none;
   width: 90%; }
   ul.comment_set li.comment {
@@ -328,7 +331,7 @@ ul#publisher_content_pickers li {
   margin-bottom: 2em; }
   .album .name {
     position: absolute;
-    z-index: 6;
+    z-index: 600;
     padding: 1em;
     background: rgba(0, 0, 0, 0.8);
     bottom: 20px;

public/stylesheets/sass/application.sass

@@ -192,14 +192,17 @@ form
   a
     :color #000
 
-div.comments
+#stream div.comments
   :display none
 
+#stream ul.comment_set
+  :padding 0
+    :left 1em
+
 ul.comment_set
   :margin 0
     :top 1em
   :padding 0
-    :left 1em
   :list-style none
   :width 90%
 
@@ -393,7 +396,7 @@ ul#publisher_content_pickers li
 
   .name
     :position absolute
-    :z-index 6
+    :z-index 600
     :padding 1em
     :background rgba(0,0,0,0.8)
     :bottom 20px

spec/models/album_spec.rb

@@ -24,14 +24,41 @@ describe Album do
 
   it 'should contain photos' do
     album = Album.create(:name => "test collection")
-
-    photo =Photo.new(:person => @user)
-
+    photo = Photo.new(:person => @user)
 
     album.photos << photo
     album.photos.count.should == 1
   end
 
+  describe 'traversing' do
+    before do
+      @album = Album.create(:name => "test collection")
+      @photo_one = Photo.create(:person => @user, :created_at => Time.now)
+      @photo_two = Photo.create(:person => @user, :created_at => Time.now-1)
+      @photo_three = Photo.create(:person => @user, :created_at => Time.now-2)
+
+      @album.photos += [@photo_one, @photo_two, @photo_three]
+    end
+
+    it 'should retrieve the next photo relative to a given photo' do
+      @album.next_photo(@photo_two).id.should == @photo_three.id
+    end
+
+    it 'should retrieve the previous photo relative to a given photo' do
+      @album.prev_photo(@photo_two).id.should == @photo_one.id
+    end
+
+    describe 'wrapping' do
+      it 'does next photo of last to first' do
+        @album.next_photo(@photo_three).id.should == @photo_one.id
+      end
+
+      it 'does previous photo of first to last' do
+        @album.prev_photo(@photo_one).id.should == @photo_three.id
+      end
+    end
+  end
+
 
 
 end

spec/models/photo_spec.rb

@@ -5,7 +5,7 @@ describe Photo do
     @user = Factory.create(:user)
     @fixture_name = File.dirname(__FILE__) + '/../fixtures/bp.jpeg'
     @fail_fixture_name = File.dirname(__FILE__) + '/../fixtures/msg.xml'
-    @photo = Photo.new(:person => @user)
+    @photo = Photo.new(:person => @user, :album => Album.create(:name => "foo"))
   end
   it 'should save a @photo to GridFS' do
     file = File.open(@fixture_name)
@@ -31,6 +31,13 @@ describe Photo do
       @photo.image = file
       @photo.save.should == false
     end
+
+
+    it  'must have an album' do
+      photo = Photo.create(:person => @user)
+      photo.valid?.should be false
+      Photo.first.album.name.should == 'foo'
+    end
   end
 
   describe 'with encryption' do