Class: CmisServer::ContentStreamService

Inherits:
Object
  • Object
show all
Defined in:
app/services/cmis_server/content_stream_service.rb

Defined Under Namespace

Classes: CapabilityError, NotSupportedError, ObjectNotFoundError

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(context = {}) ⇒ ContentStreamService

Returns a new instance of ContentStreamService.



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# File 'app/services/cmis_server/content_stream_service.rb', line 5

def initialize(context = {})
  @context = context
end

Instance Attribute Details

#context ⇒ Object (readonly)

Returns the value of attribute context.



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# File 'app/services/cmis_server/content_stream_service.rb', line 3

def context
  @context
end

Instance Method Details

#append_content_stream(object_id, content_stream, is_last_chunk = true) ⇒ Boolean

Ajoute du contenu à un stream existant

Parameters:

  • object_id (String) —

    l’identifiant de l’objet

  • content_stream (ContentStream) —

    le contenu à ajouter

  • is_last_chunk (Boolean) (defaults to: true) —

    indique si c’est le dernier morceau

Returns:

  • (Boolean) —

    true si l’ajout a réussi



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# File 'app/services/cmis_server/content_stream_service.rb', line 18

def append_content_stream(object_id, content_stream, is_last_chunk = true)
  # Vérifier que le repository supporte l'ajout de contenu
  unless repository.capabilities[:append_content_stream]
    raise CapabilityError.new("Repository does not support appending content stream")
  end
  
  # Récupérer l'objet
  object = repository.object(object_id)
  if object.nil?
    raise ObjectNotFoundError.new("Object '#{object_id}' not found")
  end
  
  # Vérifier que l'objet est un document
  unless object.is_a?(DocumentObject)
    raise NotSupportedError.new("Object '#{object_id}' is not a document")
  end
  
  # Si l'objet n'a pas encore de contenu, c'est un ajout initial
  if object.content_stream.nil?
    object.content_stream = content_stream
  else
    # Combiner le contenu existant avec le nouveau contenu
    existing_content = object.content_stream.stream.read
    object.content_stream.stream.rewind  # Important pour réinitialiser le curseur
    
    new_content = content_stream.stream.read
    
    combined_content = StringIO.new(existing_content + new_content)
    
    # Créer un nouveau content stream avec le contenu combiné
    combined_stream = ContentStream.new(
      id: object.content_stream.id,
      media_type: object.content_stream.media_type,  # Conserver le type MIME original
      stream: combined_content,
      filename: object.content_stream.filename
    )
    
    object.content_stream = combined_stream
  end
  
  # Mettre à jour les propriétés du document si nécessaire
  if is_last_chunk
    object.cmis_content_stream_length = object.content_stream.length if object.respond_to?(:cmis_content_stream_length=)
    object.cmis_content_stream_mime_type = object.content_stream.media_type if object.respond_to?(:cmis_content_stream_mime_type=)
    object.cmis_content_stream_file_name = object.content_stream.filename if object.respond_to?(:cmis_content_stream_file_name=)
  end
  
  # Enregistrer l'objet
  repository.update_object(object)
  
  true
end

#repository ⇒ Object 



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# File 'app/services/cmis_server/content_stream_service.rb', line 9

def repository
  context[:repository]
end