Implement consistent admin interface

* Consistent route/model/controller/view layout
* Get rid of unused photos, speakers, dietchoices, social_events controllers
* Drop unused :public from Rooms and :description from CallForPapers

app/views/admin/lodgings/_form.html.haml

@@ -1,8 +1,19 @@
-= semantic_form_for(@lodging, :url => (@lodging.new_record? ? admin_conference_lodgings_path : admin_conference_lodging_path(@conference.short_title, @lodging))) do |f|
-  = f.input :name
-  = f.input :website_link
-  = f.input :description, input_html: { rows: 5, cols: 20, data: { provide: 'markdown-editable' } }, hint: markdown_hint
-  - unless @lodging.photo.blank?
-    = image_tag @lodging.photo(:thumb)
-  = f.input :photo
-  = f.action :submit, as: :button, button_html: { class: 'btn btn-primary' }
+.row
+  .col-md-12
+    .page-header
+      %h1
+        - if @lodging.new_record?
+          New
+        Lodging
+        = @lodging.name
+.row
+  .col-md-8
+    = semantic_form_for(@lodging, :url => (@lodging.new_record? ? admin_conference_lodgings_path : admin_conference_lodging_path(@conference.short_title, @lodging))) do |f|
+      = f.input :name
+      = f.input :website_link
+      = f.input :description, input_html: { rows: 5, cols: 20, data: { provide: 'markdown-editable' } }, hint: markdown_hint
+      - unless @lodging.photo.blank?
+        = image_tag @lodging.photo(:thumb)
+      = f.input :photo
+      %p.text-right
+        = f.action :submit, as: :button, button_html: { class: 'btn btn-primary' }

app/views/admin/lodgings/index.html.haml

@@ -1,26 +1,35 @@
-%h1 Lodgings
-- if @conference.lodgings.any?
+.row
+  .col-md-12
+    .page-header
+      %h1 Lodgings
+      %p.text-muted
+        Recommended some Hotels, Motels, Hostels or Campsites around your venue
+
+- @conference.lodgings.each_slice(3) do |slice|
   .row
-    .col-md-12
-      %table.table
-        %thead
-          %th #
-          %th Name
-          %th Edit
-          %th Delete
-        %tbody
-          - @conference.lodgings.each_with_index do |lodging, index|
-            %tr
-              %td
-                = index + 1
-              %td
-                = link_to lodging.name, admin_conference_lodging_path(@conference.short_title, lodging.id)
-              %td
-                = link_to 'Edit', edit_admin_conference_lodging_path(@conference.short_title, lodging.id),
-                method: :get, class: 'btn btn-primary'
-              %td
-                = link_to 'Delete', admin_conference_lodging_path(@conference.short_title, lodging.id),
+    - slice.each do |lodging|
+      .col-md-4
+        .thumbnail
+          - if lodging.photo.blank?
+            %p.text-center
+              %i.fa.fa-home.fa-5x
+          - else
+            -if lodging.website_link.present?
+              = link_to(lodging.website_link, class: 'thumbnail') do
+                = image_tag lodging.photo(:thumb), class: 'img-responsive img-lodging'
+            - else
+              = image_tag lodging.photo(:thumb), class: 'img-responsive img-lodging'
+          .caption
+            %h3.text-center
+              = lodging.name
+            -if lodging.description.present?
+              = markdown(lodging.description)
+          .actions.text-right
+            = link_to 'Edit', edit_admin_conference_lodging_path(@conference.short_title, lodging), class: 'btn btn-primary'
+            = link_to 'Delete', admin_conference_lodging_path(@conference.short_title, lodging),
                 method: :delete, class: 'btn btn-danger', data: { confirm: "Do you really want to delete the lodging #{lodging.name}?" }
 
-= link_to 'Add Lodging', new_admin_conference_lodging_path(@conference.short_title), class: 'btn btn-success'
 
+.row
+  .col-md-12.text-right
+    = link_to 'Add Lodging', new_admin_conference_lodging_path(@conference.short_title), class: 'btn btn-primary'

app/views/admin/lodgings/show.html.haml

@@ -1,16 +0,0 @@
-%h1
-  = @lodging.name
-- unless @lodging.photo.blank? || @lodging.description.blank? || @lodging.website_link.blank?
-  .div.thumbnail
-    - unless @lodging.photo.blank?
-      = image_tag @lodging.photo(:large), class: 'img-responsive'
-    - unless @lodging.description.blank?
-      .lead.text-center #{ markdown(@lodging.description) }
-    - unless @lodging.website_link.blank?
-      .text-center
-        = link_to 'Go to Website', @lodging.website_link
-
-= link_to 'Edit', edit_admin_conference_lodging_path(@conference.short_title, @lodging.id),
-  method: :get, class: 'btn btn-primary'
-
-= link_to 'Back', admin_conference_lodgings_path(@conference.short_title)