mirror of
https://github.com/System-End/cdn.git
synced 2026-04-19 19:45:07 +00:00
114 lines
3.2 KiB
Ruby
114 lines
3.2 KiB
Ruby
# frozen_string_literal: true
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require "open-uri"
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class Upload < ApplicationRecord
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include PgSearch::Model
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# UUID v7 primary key (automatic via migration)
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belongs_to :user
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belongs_to :blob, class_name: "ActiveStorage::Blob"
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after_destroy :purge_blob
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# Delegate file metadata to blob (no duplication!)
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delegate :filename, :byte_size, :content_type, :checksum, to: :blob
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# Search configuration
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pg_search_scope :search_by_filename,
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associated_against: {
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blob: :filename
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},
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using: {
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tsearch: { prefix: true }
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}
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pg_search_scope :search,
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against: [ :original_url ],
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associated_against: {
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blob: :filename,
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user: [ :email, :name ]
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},
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using: { tsearch: { prefix: true } }
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# Aliases for consistency
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alias_method :file_size, :byte_size
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alias_method :mime_type, :content_type
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# Provenance enum
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enum :provenance, {
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slack: "slack",
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web: "web",
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api: "api",
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rescued: "rescued"
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}, validate: true
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validates :provenance, presence: true
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scope :recent, -> { order(created_at: :desc) }
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scope :by_user, ->(user) { where(user: user) }
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scope :today, -> { where("created_at >= ?", Time.zone.now.beginning_of_day) }
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scope :this_week, -> { where("created_at >= ?", Time.zone.now.beginning_of_week) }
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scope :this_month, -> { where("created_at >= ?", Time.zone.now.beginning_of_month) }
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def human_file_size
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ActiveSupport::NumberHelper.number_to_human_size(byte_size)
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end
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# Get CDN URL (uses external uploads controller)
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def cdn_url
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Rails.application.routes.url_helpers.external_upload_url(
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id:,
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filename:,
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host: ENV["CDN_HOST"] || "cdn.hackclub.com"
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)
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end
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# Create upload from URL (for API/rescue operations)
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def self.create_from_url(url, user:, provenance:, original_url: nil, authorization: nil, filename: nil)
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conn = Faraday.new(ssl: { verify: true, verify_mode: OpenSSL::SSL::VERIFY_PEER }) do |f|
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# f.response :follow_redirects, limit: 5
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f.adapter Faraday.default_adapter
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end
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# Disable CRL checking which fails on some servers
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conn.options.open_timeout = 30
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conn.options.timeout = 120
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headers = {}
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headers["Authorization"] = authorization if authorization.present?
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response = conn.get(url, nil, headers)
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if response.status.between?(300, 399)
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location = response.headers["location"]
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raise "Failed to download: #{response.status} redirect to #{location}"
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end
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raise "Failed to download: #{response.status}" unless response.success?
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filename ||= File.basename(URI.parse(url).path)
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body = response.body
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content_type = Marcel::MimeType.for(StringIO.new(body), name: filename) || response.headers["content-type"] || "application/octet-stream"
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blob = ActiveStorage::Blob.create_and_upload!(
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io: StringIO.new(body),
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filename: filename,
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content_type: content_type,
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identify: false
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)
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create!(
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user: user,
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blob: blob,
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provenance: provenance,
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original_url: original_url
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)
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end
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private
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def purge_blob
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blob.purge
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rescue Aws::S3::Errors::NoSuchKey
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Rails.logger.info("Blob #{blob.key} already deleted from S3, skipping purge")
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end
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end
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