posts: remove cropped thumbnails.

app/logical/media_file.rb

@@ -181,17 +181,6 @@ class MediaFile
     nil
   end
 
-  # Return a cropped preview version of the file, sized to fit exactly within
-  # the given width and height.
-  #
-  # @param width [Integer] the width of the cropped image
-  # @param height [Integer] the height of the cropped image
-  # @param options [Hash] extra options when generating the preview
-  # @return [MediaFile] a cropped preview file
-  def crop(width, height, **options)
-    nil
-  end
-
   def attributes
     {
       path: path,

app/logical/media_file/image.rb

@@ -92,10 +92,6 @@ class MediaFile::Image < MediaFile
     resize(w, h, size: :force, **options)
   end
 
-  def crop(max_width, max_height, **options)
-    resize(max_width, max_height, crop: :attention, **options)
-  end
-
   def preview_frame
     if is_animated?
       FFmpeg.new(file).smart_video_preview

app/logical/media_file/ugoira.rb

@@ -30,10 +30,6 @@ class MediaFile::Ugoira < MediaFile
     preview_frame.preview(width, height, **options)
   end
 
-  def crop(width, height)
-    preview_frame.crop(width, height)
-  end
-
   def duration
     (frame_delays.sum / 1000.0)
   end

app/logical/media_file/video.rb

@@ -15,10 +15,6 @@ class MediaFile::Video < MediaFile
     preview_frame.preview(max_width, max_height, **options)
   end
 
-  def crop(max_width, max_height)
-    preview_frame.crop(max_width, max_height)
-  end
-
   private
 
   def video

app/logical/upload_service.rb

@@ -84,7 +84,6 @@ class UploadService
 
   def convert_to_post(upload)
     Post.new.tap do |p|
-      p.has_cropped = true
       p.tag_string = upload.tag_string
       p.md5 = upload.md5
       p.file_ext = upload.file_ext

app/models/media_asset.rb

@@ -3,7 +3,7 @@
 class MediaAsset < ApplicationRecord
   class Error < StandardError; end
 
-  VARIANTS = %i[preview crop 180x180 360x360 720x720 sample original]
+  VARIANTS = %i[preview 180x180 360x360 720x720 sample original]
   ENABLE_SEO_POST_URLS = Danbooru.config.enable_seo_post_urls
   LARGE_IMAGE_WIDTH = Danbooru.config.large_image_width
   STORAGE_SERVICE = Danbooru.config.storage_manager
@@ -71,8 +71,6 @@ class MediaAsset < ApplicationRecord
         media_file.preview(width, height, format: :jpeg, quality: 85)
       in :"720x720"
         media_file.preview(width, height, format: :webp, quality: 75)
-      in :crop
-        media_file.crop(width, height)
       in :sample if media_asset.is_ugoira?
         media_file.convert
       in :sample if media_asset.is_static_image?
@@ -87,7 +85,7 @@ class MediaAsset < ApplicationRecord
     end
 
     def file_path(slug = "")
-      if variant.in?(%i[preview crop 180x180 360x360 720x720]) && media_asset.is_flash?
+      if variant.in?(%i[preview 180x180 360x360 720x720]) && media_asset.is_flash?
         "/images/download-preview.png"
       else
         slug = "__#{slug}__" if slug.present?
@@ -109,7 +107,7 @@ class MediaAsset < ApplicationRecord
     # The file extension of this variant.
     def file_ext
       case variant
-      when :preview, :crop, :"180x180", :"360x360"
+      when :preview, :"180x180", :"360x360"
         "jpg"
       when :"720x720"
         "webp"
@@ -124,8 +122,6 @@ class MediaAsset < ApplicationRecord
       case variant
       when :preview
         [150, 150]
-      when :crop
-        [150, 150]
       when :"180x180"
         [180, 180]
       when :"360x360"
@@ -140,12 +136,7 @@ class MediaAsset < ApplicationRecord
     end
 
     def dimensions
-      case variant
-      when :crop
-        max_dimensions
-      else
-        MediaFile.scale_dimensions(media_asset.image_width, media_asset.image_height, max_dimensions[0], max_dimensions[1])
-      end
+      MediaFile.scale_dimensions(media_asset.image_width, media_asset.image_height, max_dimensions[0], max_dimensions[1])
     end
 
     def width
@@ -160,8 +151,6 @@ class MediaAsset < ApplicationRecord
       case variant
       when :preview
         true
-      when :crop
-        true
       when :"180x180"
         true
       when :"360x360"

app/models/post.rb

@@ -117,10 +117,6 @@ class Post < ApplicationRecord
       media_asset.variant(:preview).file_url
     end
 
-    def crop_file_url
-      media_asset.variant(:crop).file_url
-    end
-
     def open_graph_image_url
       if is_image?
         if has_large?
@@ -1183,7 +1179,7 @@ class Post < ApplicationRecord
 
     def purge_cached_urls!
       urls = [
-        preview_file_url, crop_file_url, large_file_url, file_url,
+        preview_file_url, large_file_url, file_url,
         tagged_file_url(tagged_filenames: true), tagged_large_file_url(tagged_filenames: true),
       ]
 
@@ -1286,7 +1282,7 @@ class Post < ApplicationRecord
   include PixivMethods
   include ValidationMethods
 
-  has_bit_flags ["has_embedded_notes", "has_cropped"]
+  has_bit_flags ["has_embedded_notes"]
 
   def safeblocked?
     CurrentUser.safe_mode? && (rating != "s" || Danbooru.config.safe_mode_restricted_tags.any? { |tag| tag.in?(tag_array) })

app/policies/user_policy.rb

@@ -49,7 +49,7 @@ class UserPolicy < ApplicationPolicy
       new_post_navigation_layout enable_private_favorites
       hide_deleted_posts style_usernames show_deleted_children
       disable_categorized_saved_searches disable_tagged_filenames
-      disable_cropped_thumbnails disable_mobile_gestures enable_safe_mode
+      disable_mobile_gestures enable_safe_mode
       enable_desktop_mode disable_post_tooltips
     ].compact
   end

lib/tasks/danbooru.rake

@@ -98,7 +98,6 @@ namespace :danbooru do
 
       posts.parallel_each do |post|
         sm.store_file(post.file(:preview), post, :preview) if post.has_preview?
-        sm.store_file(post.file(:crop), post, :crop) if post.has_cropped?
         sm.store_file(post.file(:sample), post, :sample) if post.has_large?
         sm.store_file(post.file(:original), post, :original)
       end

test/unit/media_file_test.rb

@@ -140,20 +140,6 @@ class MediaFileTest < ActiveSupport::TestCase
     end
   end
 
-  context "#crop" do
-    should "generate a cropped preview image" do
-      assert_equal([150, 150], MediaFile.open("test/files/test.jpg").crop(150, 150).dimensions)
-      assert_equal([150, 150], MediaFile.open("test/files/test.png").crop(150, 150).dimensions)
-      assert_equal([150, 150], MediaFile.open("test/files/test.gif").crop(150, 150).dimensions)
-    end
-
-    should "generate a cropped preview image for a video" do
-      skip unless MediaFile.videos_enabled?
-      assert_equal([150, 150], MediaFile.open("test/files/test-512x512.webm").crop(150, 150).dimensions)
-      assert_equal([150, 150], MediaFile.open("test/files/test-300x300.mp4").crop(150, 150).dimensions)
-    end
-  end
-
   context "for a ugoira" do
     setup do
       skip unless MediaFile::Ugoira.videos_enabled?
@@ -163,7 +149,6 @@ class MediaFileTest < ActiveSupport::TestCase
 
     should "generate a preview" do
       assert_equal([60, 60], @ugoira.preview(150, 150).dimensions)
-      assert_equal([150, 150], @ugoira.crop(150, 150).dimensions)
     end
 
     should "get the duration" do