80 lines
2.1 KiB
Ruby
80 lines
2.1 KiB
Ruby
# frozen_string_literal: true
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# Service wrapper for downloading summon images from Granblue servers to S3.
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# Uses the existing SummonDownloader but provides a cleaner interface for controllers.
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#
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# @example Download images for a summon
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# service = SummonImageDownloadService.new(summon)
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# result = service.download
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# if result.success?
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# puts result.images
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# else
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# puts result.error
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# end
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class SummonImageDownloadService
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Result = Struct.new(:success?, :images, :error, :total, keyword_init: true)
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def initialize(summon, options = {})
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@summon = summon
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@force = options[:force] || false
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@size = options[:size] || 'all'
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@storage = options[:storage] || :s3
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end
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# Downloads images for the summon
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#
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# @return [Result] Struct with success status, images manifest, and any errors
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def download
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downloader = Granblue::Downloaders::SummonDownloader.new(
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@summon.granblue_id,
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storage: @storage,
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verbose: Rails.env.development?
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)
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selected_size = @size == 'all' ? nil : @size
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downloader.download(selected_size)
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manifest = build_image_manifest
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Result.new(
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success?: true,
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images: manifest,
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total: count_total_images(manifest)
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)
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rescue StandardError => e
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Rails.logger.error "[SummonImageDownload] Failed for #{@summon.granblue_id}: #{e.message}"
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Result.new(
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success?: false,
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error: e.message
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)
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end
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private
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def build_image_manifest
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sizes = Granblue::Downloaders::SummonDownloader::SIZES
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variants = build_variants
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sizes.each_with_object({}) do |size, manifest|
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manifest[size] = variants.map do |variant|
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extension = size == 'detail' ? 'png' : 'jpg'
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"#{variant}.#{extension}"
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end
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end
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end
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def build_variants
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# Summons use the raw granblue_id for base variant (no _01 suffix)
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variants = [@summon.granblue_id]
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variants << "#{@summon.granblue_id}_02" if @summon.ulb
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if @summon.transcendence
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variants << "#{@summon.granblue_id}_03"
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variants << "#{@summon.granblue_id}_04"
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end
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variants
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end
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def count_total_images(manifest)
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manifest.values.sum(&:size)
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end
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end
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