refactor cropped images into explore/posts/intro

app/assets/stylesheets/specific/posts.scss

@@ -26,6 +26,13 @@ article.post-preview {
     margin: auto;
   }
 
+  &.large-cropped {
+    height: auto;
+    weidth: auto;
+    float: none;
+    display: block;
+  }
+
   &[data-tags~=animated]:before, &[data-file-ext=swf]:before, &[data-file-ext=webm]:before, &[data-file-ext=mp4]:before, &[data-file-ext=zip]:before {
     @include animated-icon;
   }

app/logical/image_cropper.rb

@@ -0,0 +1,12 @@
+class ImageCropper
+  def self.enabled?
+    Danbooru.config.aws_sqs_cropper_url.present?
+  end
+
+  def self.notify(post)
+    if post.is_image?
+      sqs = SqsService.new(Danbooru.config.aws_sqs_cropper_url)
+      sqs.send_message("#{post.id},https://#{Danbooru.config.hostname}/data/#{post.md5}.#{post.file_ext}")
+    end
+  end
+end

app/models/post.rb

@@ -142,6 +142,15 @@ class Post < ApplicationRecord
        end
     end
 
+    # this is for the 640x320 version
+    def cropped_file_url
+      if Danbooru.config.use_s3_proxy?(self)
+        "/cached/data/cropped/large/#{md5}.jpg"
+      else
+        "/data/cropped/large/#{md5}.jpg"
+      end
+    end
+
     def large_file_url
       if has_large?
         if Danbooru.config.use_s3_proxy?(self)

app/models/upload.rb

@@ -200,9 +200,8 @@ class Upload < ApplicationRecord
     end
 
     def notify_cropper(post)
-      if Danbooru.config.aws_sqs_cropper_url && is_image?
+      if ImageCropper.enabled?
-        sqs = SqsService.new(Danbooru.config.aws_sqs_cropper_url)
+        ImageCropper.notify(post)
-        sqs.send_message("#{post.id},https://#{Danbooru.config.hostname}/data/#{post.md5}.#{post.file_ext}")
       end
     end
   end

app/presenters/post_presenter.rb

@@ -32,7 +32,14 @@ class PostPresenter < Presenter
       tag_param = nil
     end
     html << %{<a href="#{path}/#{post.id}#{tag_param}">}
-    html << %{<img itemprop="thumbnailUrl" src="#{post.preview_file_url}" alt="#{h(post.tag_string)}">}
+
+    if options[:show_cropped] && post.has_cropped?
+      src = post.cropped_file_url
+    else
+      src = post.preview_file_url
+    end
+
+    html << %{<img itemprop="thumbnailUrl" src="#{src}" alt="#{h(post.tag_string)}">}
     html << %{</a>}
 
     if options[:pool]
@@ -56,6 +63,7 @@ class PostPresenter < Presenter
 
   def self.preview_class(post, description = nil)
     klass = "post-preview"
+    klass << " large-cropped" if post.has_cropped? && options[:show_cropped]
     klass << " pooled" if description
     klass << " post-status-pending" if post.is_pending?
     klass << " post-status-flagged" if post.is_flagged?

app/views/explore/posts/intro.html.erb

@@ -16,7 +16,7 @@
       <% @presenter.each do |tag, post_set| %>
         <div class="posts">
           <h2><%= link_to tag, posts_path(:tags => tag) %></h2>
-          <%= post_set.presenter.post_previews_html(self) %>
+          <%= post_set.presenter.post_previews_html(self, show_cropped: true) %>
           <div class="clearfix"></div>
         </div>
       <% end %>