Remove outfit image saving
This has already been moved to Impress 2020 too, so we can delete all the image generation and saving!
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Matchu
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3 changed files with 0 additions and 172 deletions
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@ -13,13 +13,6 @@ class Outfit < ActiveRecord::Base
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scope :wardrobe_order, -> { order('starred DESC', :name) }
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# NOTE: We no longer save images, but we've left the code here for now.
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# The `image` method below simulates the previous API for the rest
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# of the app!
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# mount_uploader :image, OutfitImageUploader
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# before_save :update_enqueued_image
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# after_commit :enqueue_image!
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class OutfitImage
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def initialize(image_versions)
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@image_versions = image_versions
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@ -126,49 +119,6 @@ class Outfit < ActiveRecord::Base
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end
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self.item_outfit_relationships = new_rels
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end
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# Returns the array of SwfAssets representing each layer of the output image,
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# ordered from bottom to top. Careful: this method is memoized, so if the
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# image layers change after its first call we'll get bad results.
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def image_layers
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@image_layers ||= visible_assets_with_images.sort { |a, b| a.depth <=> b.depth }
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end
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# Creates and writes the thumbnail images for this outfit iff the new image
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# would be different than the current one. (Writes to file in development,
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# S3 in production.) If the image is updated, updates the image layers hash
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# and runs #save! on the record, so any other changes will also be saved.
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def write_image!
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if image_layers_dirty?
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image = Tempfile.open(['outfit_image', '.png'])
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begin
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create_image! image
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self.image_layers_hash = generate_image_layers_hash
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self.image = image
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self.image_enqueued = false
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save!
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ensure
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image.close!
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end
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end
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self.image
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end
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# Enqueue an image write iff the new image would be different than the
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# current one.
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def enqueue_image!
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Resque.enqueue(OutfitImageUpdate, id)
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end
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def update_enqueued_image
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self.image_enqueued = (image_layers_dirty?)
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true
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end
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def s3_key(size)
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URI.encode("#{id}/#{size.join 'x'}.png")
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end
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def self.build_for_user(user, params)
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Outfit.new.tap do |outfit|
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@ -183,94 +133,4 @@ class Outfit < ActiveRecord::Base
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outfit.attributes = params
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end
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end
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protected
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# Creates a 600x600 PNG image of this outfit, writing to the given output
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# file.
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def create_image!(output)
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unless image_layers.empty?
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temp_image_files = Parallel.map(image_layers, :in_threads => 8) do |swf_asset|
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image_file = Tempfile.open(['outfit_layer', '.png'])
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begin
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write_temp_swf_asset_image!(swf_asset, image_file)
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rescue RightAws::AwsError
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nil # skip broken images
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else
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image_file
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ensure
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image_file.close
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end
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end.compact # remove nils for broken images
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# Here we do some awkwardness to get the exact ImageMagick command we
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# want, though it's still less awkward than handling the command
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# ourselves. Give all of the temporary images as input, flatten them and
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# write them to the output path.
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command = MiniMagick::CommandBuilder.new('convert')
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temp_image_files.each { |image_file| command.push image_file.path }
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command.layers 'flatten'
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command.push output.path
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# Though the above command really is sufficient, we still need a dummy
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# image to handle execution.
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output_image = MiniMagick::Image.new(output.path)
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output_image.run(command)
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temp_image_files.each(&:unlink)
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else
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output.close
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end
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end
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def visible_assets
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biology_assets = pet_state.swf_assets.includes(:zone)
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object_assets = SwfAsset.object_assets.
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fitting_body_id(pet_state.pet_type.body_id).for_item_ids(worn_item_ids).
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includes(:zone)
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# Now for fun with bitmasks! Rather than building a bunch of integer arrays
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# here, we instead go low-level and use bit-level operations. Build the
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# bitmask by parsing the binary string (reversing it to get the lower zone
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# numbers on the right), then OR them all together to get the mask
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# representing all the restricted zones. (Note to self: why not just store
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# in this format in the first place?)
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restrictors = biology_assets + worn_items
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restricted_zones_mask = restrictors.inject(0) do |mask, restrictor|
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mask | restrictor.zones_restrict.reverse.to_i(2)
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end
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# Now, check each asset's zone is not restricted in the bitmask using
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# bitwise operations: shift 1 to the zone_id position, then AND it with
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# the restricted zones mask. If we get 0, then the bit for that zone ID was
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# not turned on, so the zone is not restricted and this asset is visible.
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all_assets = biology_assets + object_assets
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all_assets.select { |a| (1 << (a.zone_id - 1)) & restricted_zones_mask == 0 }
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end
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def visible_assets_with_images
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visible_assets.select(&:has_image?)
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end
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# Generate 8-char hex digest representing visible image layers for this outfit.
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# Hash function should be decently collision-resistant.
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def generate_image_layers_hash
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@generated_image_layers_hash ||=
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Digest::MD5.hexdigest(image_layers.map(&:id).join(',')).first(8)
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end
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def image_layers_dirty?
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generate_image_layers_hash != self.image_layers_hash
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end
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IMAGE_BASE_SIZE = [600, 600]
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def write_temp_swf_asset_image!(swf_asset, file)
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key = swf_asset.s3_key(IMAGE_BASE_SIZE)
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bucket = SwfAsset::IMAGE_BUCKET
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data = bucket.get(key)
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file.binmode # write in binary mode
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file.truncate(0) # clear the file
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file.write data # write the new data
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end
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end
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@ -1,21 +0,0 @@
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require 'timeout'
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class OutfitImageUpdate
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TIMEOUT_IN_SECONDS = 30
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@queue = :outfit_image_updates
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def self.perform(id)
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Timeout::timeout(TIMEOUT_IN_SECONDS) do
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Outfit.find(id).write_image!
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end
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end
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# Represents an outfit image update for an outfit that existed before this
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# feature was built. Its queue has a lower priority, so new outfits will
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# be updated before retroactively converted outfits.
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class Retroactive < OutfitImageUpdate
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@queue = :retroactive_outfit_image_updates
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end
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end
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@ -1,11 +0,0 @@
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namespace :outfits do
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desc 'Retroactively enqueue image updates for outfits saved to user accounts'
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task :retroactively_enqueue => :environment do
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outfits = Outfit.select([:id]).where('image IS NULL AND user_id IS NOT NULL')
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puts "Enqueuing #{outfits.count} outfits"
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outfits.find_each do |outfit|
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Resque.enqueue(OutfitImageUpdate::Retroactive, outfit.id)
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end
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puts "Successfully enqueued."
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end
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end
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