Module: ActiveMetadata::Persistence::Attachment::InstanceMethods

Defined in:
lib/active_metadata/persistence/attachment.rb

Instance Method Summary collapse

Instance Method Details

#attachments_for(field, order_by = "updated_at DESC") ⇒ Object 



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# File 'lib/active_metadata/persistence/attachment.rb', line 24

def attachments_for(field, order_by="updated_at DESC")
  Rails.cache.fetch(attachments_cache_key(field), :expires_in => ActiveMetadata::CONFIG['cache_expires_in'].try(:minutes)) do
    fetch_attachments_for field, nil, order_by
  end
end

#count_attachments_for(field) ⇒ Object 



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# File 'lib/active_metadata/persistence/attachment.rb', line 68

def count_attachments_for field
  attachments_for(field).size
end

#delete_attachment(id) ⇒ Object 



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# File 'lib/active_metadata/persistence/attachment.rb', line 30

def delete_attachment(id)
  a = ActiveMetadata::Attachment.find(id)
  filename, created_by = a.attach.original_filename, a.created_by
  a.destroy
  reload_attachments_cache_for a.label
  self.send(:send_notification, a.label, filename, "", :delete_attachment_message, created_by)
end

#find_attachment_by_id(id) ⇒ Object 



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# File 'lib/active_metadata/persistence/attachment.rb', line 72

def find_attachment_by_id(id)
  ActiveMetadata::Attachment.find(id)
end

#has_attachments_for(field) ⇒ Object 



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# File 'lib/active_metadata/persistence/attachment.rb', line 64

def has_attachments_for field
  attachments_for(field).size == 0 ? false : true
end

#save_attachment_for(field, file, starred = false, group = nil) ⇒ Object 



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# File 'lib/active_metadata/persistence/attachment.rb', line 9

def save_attachment_for(field, file, starred=false, group=nil)
  file.content_type = MIME::Types.type_for(file.original_filename)[0]
  attachment = ActiveMetadata::Attachment.create!(
          :model_class => metadata_class,
          :model_id => metadata_id,
          :label => field,
          :attach => file,
          :starred => !!starred,
          :created_by => current_user_id,
          :group => group)

  reload_attachments_cache_for field
  self.send(:send_notification, field, "", attachment.attach.original_filename, :new_attachment_message, current_user_id)
end

#star_attachment(id) ⇒ Object 



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# File 'lib/active_metadata/persistence/attachment.rb', line 86

def star_attachment(id)
  n = ActiveMetadata::Attachment.find(id)
  update_attachment id, n.attach, starred: true
end

#starred_attachments ⇒ Object

return all the starred notes for the current model and for any field datas does not come from cache



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# File 'lib/active_metadata/persistence/attachment.rb', line 78

def starred_attachments
  fetch_attachments_for nil, true
end

#starred_attachments_for(field) ⇒ Object 



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# File 'lib/active_metadata/persistence/attachment.rb', line 82

def starred_attachments_for(field)
  fetch_attachments_for field, true
end

#unstar_attachment(id) ⇒ Object 



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# File 'lib/active_metadata/persistence/attachment.rb', line 91

def unstar_attachment(id)
  n = ActiveMetadata::Attachment.find(id)
  update_attachment id, n.attach, starred: false
end

#update_attachment(id, newfile, *args) ⇒ Object

Update an attachment replacing the old file Fires a notification. When is used to star or unstar fires a notification of the correct type The cache is reloaded any time an operation is completed



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# File 'lib/active_metadata/persistence/attachment.rb', line 42

def update_attachment(id, newfile, *args)
  options = args.last.is_a?(Hash) ? args.last : {}
  options[:message_type] ||= :update_attachment_message

  a = ActiveMetadata::Attachment.find(id)
  old_filename = a.attach.original_filename
  a.attach = newfile
  a.updated_by = current_user_id

  #mass assign starred inly if provided
  unless options[:starred].nil?
    a[:starred] = options[:starred]
    options[:message_type] = options[:starred] ? :star_attachment_message : :unstar_attachment_message
  end

  a.save!
  new_filename = a.attach.original_filename
  reload_attachments_cache_for a.label

  self.send(:send_notification, a.label, old_filename, new_filename, options[:message_type], current_user_id)
end