Aggiunge copertina sponsor custom solo Premium Full, con override in wizard e slate sui nodi di streaming.

Permette upload da portale e app con ereditarietà partita→squadra→società, generazione MP4 via ffmpeg e distribuzione su home lab e nodi CPX per pause e assenza segnale.

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/app/services/streams/cover_resolver.rb

@@ -0,0 +1,66 @@
+module Streams
+  # Catena effective cover: partita → squadra → società → default Match Live TV.
+  class CoverResolver
+    Result = Struct.new(:record, :source, :cover_url, :slate_local_path, keyword_init: true)
+
+    DEFAULT_COVER_URL = "/images/copertina-canale.png".freeze
+
+    def initialize(match)
+      @match = match
+      @team = match.team
+      @club = @team.club
+      @entitlements = @team.entitlements
+    end
+
+    def effective_cover_url
+      resolve&.cover_url || default_cover_url
+    end
+
+    def cover_source
+      resolve&.source || "default"
+    end
+
+    def resolve
+      return nil unless @entitlements.can_use_custom_cover?
+
+      candidates.each do |record, source|
+        next unless record.cover_image.attached?
+        next unless record.cover_slate.attached?
+
+        path = CoverSlatePaths.local_path_for(record)
+        next if path.blank?
+
+        return Result.new(
+          record: record,
+          source: source,
+          cover_url: blob_path(record.cover_image),
+          slate_local_path: path
+        )
+      end
+
+      nil
+    end
+
+    def default_cover_url
+      DEFAULT_COVER_URL
+    end
+
+    def default_slate_path
+      ENV.fetch("MEDIAMTX_SLATE_FILE", "/slates/offline.mp4")
+    end
+
+    private
+
+    def candidates
+      [
+        [@match, "match"],
+        [@team, "team"],
+        [@club, "club"]
+      ]
+    end
+
+    def blob_path(attachment)
+      Rails.application.routes.url_helpers.rails_blob_path(attachment, only_path: true)
+    end
+  end
+end

backend/app/services/streams/cover_slate_ensurer.rb

@@ -0,0 +1,35 @@
+module Streams
+  # Garantisce che la slate MP4 esista per il record effettivo della partita (sync al go-live).
+  class CoverSlateEnsurer
+    def self.ensure_for!(match)
+      new(match).ensure!
+    end
+
+    def initialize(match)
+      @match = match
+      @resolver = CoverResolver.new(match)
+    end
+
+    def ensure!
+      result = @resolver.resolve
+      return unless result
+
+      record = result.record
+      return if slate_ready?(record)
+
+      GenerateCoverSlate.call(record)
+    rescue GenerateCoverSlate::Error => e
+      Rails.logger.warn("[CoverSlateEnsurer] match=#{@match.id} #{e.message}")
+      nil
+    end
+
+    private
+
+    def slate_ready?(record)
+      return false unless record.cover_slate.attached?
+
+      path = CoverSlatePaths.local_path_for(record)
+      path.present? && File.exist?(path)
+    end
+  end
+end

backend/app/services/streams/cover_slate_paths.rb

@@ -0,0 +1,30 @@
+module Streams
+  class CoverSlatePaths
+    def self.slates_custom_root
+      ENV.fetch("MEDIAMTX_SLATES_CUSTOM_DIR", "/slates/custom")
+    end
+
+    def self.filename_for(record)
+      return nil unless record.cover_slate.attached?
+
+      digest = record.cover_slate.blob.checksum
+      prefix = record.class.name.underscore
+      "#{prefix}-#{record.id}-#{digest}.mp4"
+    end
+
+    def self.expected_path(record)
+      name = filename_for(record)
+      return nil if name.blank?
+
+      File.join(slates_custom_root, name)
+    end
+
+    def self.local_path_for(record)
+      path = expected_path(record)
+      return nil if path.blank?
+      return path if File.exist?(path)
+
+      nil
+    end
+  end
+end

backend/app/services/streams/generate_cover_slate.rb

@@ -0,0 +1,121 @@
+require "open3"
+
+module Streams
+  # Converte cover_image in MP4 slate (H.264 720p + AAC mono), allineato a infra/scripts/generate_slate.sh.
+  class GenerateCoverSlate
+    class Error < StandardError; end
+
+    SLATE_DURATION_SECS = 30
+    VIDEO_FILTER = "scale=1280:720:force_original_aspect_ratio=decrease,pad=1280:720:(ow-iw)/2:(oh-ih)/2:color=0x0a0a0e".freeze
+
+    def self.call(record)
+      new(record).call
+    end
+
+    def initialize(record)
+      @record = record
+    end
+
+    def call
+      return @record unless @record.cover_image.attached?
+
+      @image_temp = download_cover_image
+      @mp4_temp = encode_slate(@image_temp)
+      attach_slate(@mp4_temp)
+      write_to_slates_dir(@mp4_temp)
+      @record
+    rescue Error
+      raise
+    rescue StandardError => e
+      raise Error, e.message
+    ensure
+      cleanup_tempfiles
+    end
+
+    private
+
+    def download_cover_image
+      ext = extension_for(@record.cover_image.content_type)
+      path = temp_path("cover-in", ext)
+      @record.cover_image.blob.open(tmpdir: Dir.tmpdir) do |file|
+        FileUtils.cp(file.path, path)
+      end
+      path
+    end
+
+    def encode_slate(image_path)
+      out = temp_path("cover-slate", ".mp4")
+      cmd = ffmpeg_args(image_path, out)
+      stdout, stderr, status = Open3.capture3(*cmd)
+      unless status.success? && File.exist?(out) && File.size(out).positive?
+        detail = stderr.to_s.strip.presence || stdout.to_s.strip
+        raise Error, "ffmpeg slate failed: #{detail}"
+      end
+
+      out
+    end
+
+    def ffmpeg_args(input, output)
+      [
+        "ffmpeg", "-nostdin", "-hide_banner", "-loglevel", "error",
+        "-loop", "1", "-framerate", "30", "-i", input,
+        "-f", "lavfi", "-i", "anullsrc=r=48000:cl=mono",
+        "-filter:v", VIDEO_FILTER,
+        "-map", "0:v", "-map", "1:a",
+        "-t", SLATE_DURATION_SECS.to_s,
+        "-c:v", "libx264", "-pix_fmt", "yuv420p", "-profile:v", "baseline", "-level", "3.1",
+        "-x264-params", "keyint=30:min-keyint=30:scenecut=0:bframes=0",
+        "-g", "30", "-keyint_min", "30", "-force_key_frames", "expr:gte(t,n_forced*1)",
+        "-preset", "fast",
+        "-c:a", "aac", "-b:a", "128k", "-ac", "1", "-shortest", "-y", output
+      ]
+    end
+
+    def attach_slate(mp4_path)
+      @record.cover_slate.purge if @record.cover_slate.attached?
+      File.open(mp4_path, "rb") do |io|
+        @record.cover_slate.attach(
+          io: io,
+          filename: slate_filename,
+          content_type: "video/mp4"
+        )
+      end
+      @record.reload
+    end
+
+    def write_to_slates_dir(mp4_path)
+      dest = CoverSlatePaths.expected_path(@record)
+      return unless dest
+
+      FileUtils.mkdir_p(File.dirname(dest))
+      FileUtils.cp(mp4_path, dest)
+    rescue Errno::EACCES, Errno::EROFS => e
+      Rails.logger.info("[GenerateCoverSlate] skip disk copy #{dest}: #{e.class}")
+    end
+
+    def slate_filename
+      "#{@record.class.name.underscore}-#{@record.id}.mp4"
+    end
+
+    def extension_for(content_type)
+      case content_type
+      when "image/png" then ".png"
+      when "image/webp" then ".webp"
+      else ".jpg"
+      end
+    end
+
+    def temp_path(prefix, ext)
+      path = File.join(Dir.tmpdir, "#{prefix}-#{@record.class.name}-#{@record.id}-#{SecureRandom.hex(4)}#{ext}")
+      @tempfiles ||= []
+      @tempfiles << path
+      path
+    end
+
+    def cleanup_tempfiles
+      Array(@tempfiles).each do |path|
+        FileUtils.rm_f(path)
+      end
+    end
+  end
+end

backend/app/services/streams/slate_distributor.rb

@@ -0,0 +1,101 @@
+module Streams
+  # Assicura che la slate MP4 custom sia sul nodo assegnato (home/lab locale, CPX via agent).
+  class SlateDistributor
+    class Error < StandardError; end
+
+    def self.slate_path_for_session(session)
+      new(session).mediamtx_slate_path
+    end
+
+    def self.ensure_for!(session)
+      new(session).ensure!
+    end
+
+    def initialize(session)
+      @session = session
+      @match = session.match
+      @node = session.stream_node
+      @resolver = CoverResolver.new(@match)
+    end
+
+    def mediamtx_slate_path
+      ensure! unless defined?(@mediamtx_path)
+      @mediamtx_path
+    end
+
+    def ensure!
+      result = @resolver.resolve
+      unless result
+        @mediamtx_path = default_slate_path
+        return @mediamtx_path
+      end
+
+      host_path = result.slate_local_path
+      filename = File.basename(host_path)
+      mediamtx_path = "#{CoverSlatePaths.slates_custom_root}/#{filename}"
+
+      if cloud_node?
+        push_to_agent!(filename, result.record, host_path)
+      else
+        verify_local_slate!(host_path)
+      end
+
+      @mediamtx_path = mediamtx_path
+    rescue Error => e
+      Rails.logger.warn("[SlateDistributor] session=#{@session.id} #{e.message}")
+      @mediamtx_path = default_slate_path
+    end
+
+    private
+
+    def cloud_node?
+      @node&.role == "cloud" && agent_url.present?
+    end
+
+    def agent_url
+      ENV["STREAM_NODE_RELAY_AGENT_URL"].presence || @node&.relay_agent_url
+    end
+
+    def agent_secret
+      ENV["STREAM_NODE_AGENT_SECRET"].presence || "mediamtx_webhook_dev_secret"
+    end
+
+    def push_to_agent!(filename, record, host_path)
+      bytes = read_slate_bytes(record, host_path)
+      raise Error, "slate bytes missing for #{filename}" if bytes.blank?
+
+      uri = URI.parse("#{agent_url.chomp('/')}/slates/#{CGI.escape(filename)}")
+      http = Net::HTTP.new(uri.host, uri.port)
+      http.open_timeout = 5
+      http.read_timeout = 120
+      req = Net::HTTP::Put.new(uri)
+      req["Authorization"] = "Bearer #{agent_secret}" if agent_secret.present?
+      req["Content-Type"] = "video/mp4"
+      req.body = bytes
+      res = http.request(req)
+      return if res.is_a?(Net::HTTPSuccess)
+
+      raise Error, "agent PUT /slates/#{filename} HTTP #{res.code} #{res.body.to_s.truncate(200)}"
+    end
+
+    def read_slate_bytes(record, host_path)
+      return File.binread(host_path) if host_path.present? && File.exist?(host_path)
+
+      return unless record.cover_slate.attached?
+
+      record.cover_slate.blob.open(tmpdir: Dir.tmpdir) do |file|
+        return File.binread(file.path)
+      end
+    end
+
+    def verify_local_slate!(host_path)
+      return if host_path.present? && File.exist?(host_path)
+
+      raise Error, "slate missing on disk: #{host_path}"
+    end
+
+    def default_slate_path
+      ENV.fetch("MEDIAMTX_SLATE_FILE", "/slates/offline.mp4")
+    end
+  end
+end