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Remove outfit image saving

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This has already been moved to Impress 2020 too, so we can delete all the image generation and saving!
This commit is contained in:
Matchu 2023-08-02 12:51:10 -07:00
parent 9de50deb3c
commit 225f784732
3 changed files with 0 additions and 172 deletions
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140
app/models/outfit.rb
View file

@ -13,13 +13,6 @@ class Outfit < ActiveRecord::Base
scope :wardrobe_order, -> { order('starred DESC', :name) }
# NOTE: We no longer save images, but we've left the code here for now.
# The `image` method below simulates the previous API for the rest
# of the app!
# mount_uploader :image, OutfitImageUploader
# before_save :update_enqueued_image
# after_commit :enqueue_image!
class OutfitImage
def initialize(image_versions)
@image_versions = image_versions
@ -126,49 +119,6 @@ class Outfit < ActiveRecord::Base
end
self.item_outfit_relationships = new_rels
end
# Returns the array of SwfAssets representing each layer of the output image,
# ordered from bottom to top. Careful: this method is memoized, so if the
# image layers change after its first call we'll get bad results.
def image_layers
@image_layers ||= visible_assets_with_images.sort { |a, b| a.depth <=> b.depth }
end
# Creates and writes the thumbnail images for this outfit iff the new image
# would be different than the current one. (Writes to file in development,
# S3 in production.) If the image is updated, updates the image layers hash
# and runs #save! on the record, so any other changes will also be saved.
def write_image!
if image_layers_dirty?
image = Tempfile.open(['outfit_image', '.png'])
begin
create_image! image
self.image_layers_hash = generate_image_layers_hash
self.image = image
self.image_enqueued = false
save!
ensure
image.close!
end
end
self.image
end
# Enqueue an image write iff the new image would be different than the
# current one.
def enqueue_image!
Resque.enqueue(OutfitImageUpdate, id)
end
def update_enqueued_image
self.image_enqueued = (image_layers_dirty?)
true
end
def s3_key(size)
URI.encode("#{id}/#{size.join 'x'}.png")
end
def self.build_for_user(user, params)
Outfit.new.tap do |outfit|
@ -183,94 +133,4 @@ class Outfit < ActiveRecord::Base
outfit.attributes = params
end
end
protected
# Creates a 600x600 PNG image of this outfit, writing to the given output
# file.
def create_image!(output)
unless image_layers.empty?
temp_image_files = Parallel.map(image_layers, :in_threads => 8) do |swf_asset|
image_file = Tempfile.open(['outfit_layer', '.png'])
begin
write_temp_swf_asset_image!(swf_asset, image_file)
rescue RightAws::AwsError
nil # skip broken images
else
image_file
ensure
image_file.close
end
end.compact # remove nils for broken images
# Here we do some awkwardness to get the exact ImageMagick command we
# want, though it's still less awkward than handling the command
# ourselves. Give all of the temporary images as input, flatten them and
# write them to the output path.
command = MiniMagick::CommandBuilder.new('convert')
temp_image_files.each { |image_file| command.push image_file.path }
command.layers 'flatten'
command.push output.path
# Though the above command really is sufficient, we still need a dummy
# image to handle execution.
output_image = MiniMagick::Image.new(output.path)
output_image.run(command)
temp_image_files.each(&:unlink)
else
output.close
end
end
def visible_assets
biology_assets = pet_state.swf_assets.includes(:zone)
object_assets = SwfAsset.object_assets.
fitting_body_id(pet_state.pet_type.body_id).for_item_ids(worn_item_ids).
includes(:zone)
# Now for fun with bitmasks! Rather than building a bunch of integer arrays
# here, we instead go low-level and use bit-level operations. Build the
# bitmask by parsing the binary string (reversing it to get the lower zone
# numbers on the right), then OR them all together to get the mask
# representing all the restricted zones. (Note to self: why not just store
# in this format in the first place?)
restrictors = biology_assets + worn_items
restricted_zones_mask = restrictors.inject(0) do |mask, restrictor|
mask | restrictor.zones_restrict.reverse.to_i(2)
end
# Now, check each asset's zone is not restricted in the bitmask using
# bitwise operations: shift 1 to the zone_id position, then AND it with
# the restricted zones mask. If we get 0, then the bit for that zone ID was
# not turned on, so the zone is not restricted and this asset is visible.
all_assets = biology_assets + object_assets
all_assets.select { |a| (1 << (a.zone_id - 1)) & restricted_zones_mask == 0 }
end
def visible_assets_with_images
visible_assets.select(&:has_image?)
end
# Generate 8-char hex digest representing visible image layers for this outfit.
# Hash function should be decently collision-resistant.
def generate_image_layers_hash
@generated_image_layers_hash ||=
Digest::MD5.hexdigest(image_layers.map(&:id).join(',')).first(8)
end
def image_layers_dirty?
generate_image_layers_hash != self.image_layers_hash
end
IMAGE_BASE_SIZE = [600, 600]
def write_temp_swf_asset_image!(swf_asset, file)
key = swf_asset.s3_key(IMAGE_BASE_SIZE)
bucket = SwfAsset::IMAGE_BUCKET
data = bucket.get(key)
file.binmode # write in binary mode
file.truncate(0) # clear the file
file.write data # write the new data
end
end

21
app/models/outfit_image_update.rb
View file

@ -1,21 +0,0 @@
require 'timeout'
class OutfitImageUpdate
TIMEOUT_IN_SECONDS = 30
@queue = :outfit_image_updates
def self.perform(id)
Timeout::timeout(TIMEOUT_IN_SECONDS) do
Outfit.find(id).write_image!
end
end
# Represents an outfit image update for an outfit that existed before this
# feature was built. Its queue has a lower priority, so new outfits will
# be updated before retroactively converted outfits.
class Retroactive < OutfitImageUpdate
@queue = :retroactive_outfit_image_updates
end
end

11
lib/tasks/outfits.rake
View file

@ -1,11 +0,0 @@
namespace :outfits do
desc 'Retroactively enqueue image updates for outfits saved to user accounts'
task :retroactively_enqueue => :environment do
outfits = Outfit.select([:id]).where('image IS NULL AND user_id IS NOT NULL')
puts "Enqueuing #{outfits.count} outfits"
outfits.find_each do |outfit|
Resque.enqueue(OutfitImageUpdate::Retroactive, outfit.id)
end
puts "Successfully enqueued."
end
end