module AlbumsRepository

# File lib/repositories/albums_repository.rb, line 43
def create_album(new_album)
  atom = get_album_atom(new_album)
  post_new_album(atom)
end

# File lib/repositories/albums_repository.rb, line 48
def delete_album_by_id(album_id)
  album = get_album_by_id(album_id)
  url = URI.parse(album.edit_url)
  http = Net::HTTP.new(url.host, url.port)
  http.use_ssl = (url.scheme == 'https')
  http.verify_mode = OpenSSL::SSL::VERIFY_NONE
  req = Net::HTTP::Delete.new(url.request_uri)
  req['Authorization'] = @authentication_token
  res = http.request(req)
  res.code
end

# File lib/repositories/albums_repository.rb, line 28
def get_album_by_id(id)
  albums = get_all_albums
  albums[albums.find_index{|album| album.id == id.to_s}]
end

# File lib/repositories/albums_repository.rb, line 38
def get_album_by_slug(slug)
  albums = get_all_albums
  albums[albums.find_index{|album| album.slug == slug.to_s}]
end

# File lib/repositories/albums_repository.rb, line 33
def get_album_by_title(title)
  albums = get_all_albums
  albums[albums.find_index{|album| album.title == title.to_s}]
end

# File lib/repositories/albums_repository.rb, line 5
def get_all_albums
  xml = get_xml("http://picasaweb.google.com/data/feed/api/user/#{@email}?kind=album&access=all")
  albums = []
  xml.root.elements.each("//entry") do |entry|
    gallery = PicasaWebAlbums::Album.new
    gallery.id = entry.elements["gphoto:id"].text
    gallery.title = entry.elements["title"].text
    gallery.date_created = DateTime.parse(entry.elements["published"].text)
    gallery.date_updated = DateTime.parse(entry.elements["updated"].text)
    gallery.slug = entry.elements["gphoto:name"].text
    gallery.access = entry.elements["gphoto:access"].text
    gallery.number_of_photos = entry.elements["gphoto:numphotos"].text.to_i
    gallery.number_of_comments = entry.elements["gphoto:commentCount"].text.to_i
    gallery.number_of_photos_remaining = entry.elements["gphoto:numphotosremaining"].text.to_i
    gallery.total_bytes = entry.elements["gphoto:bytesUsed"].text.to_i
    gallery.cover_photo_url = entry.elements["media:group/media:content"].attributes["url"]
    gallery.description = entry.elements["media:group/media:description"].text
    gallery.edit_url = get_edit_url_from_entry(entry)
    albums << gallery
  end
  albums
end

# File lib/repositories/albums_repository.rb, line 77
def get_album_atom(album)
  return "<entry xmlns='http://www.w3.org/2005/Atom' xmlns:media='http://search.yahoo.com/mrss/' xmlns:gphoto='http://schemas.google.com/photos/2007'><title type='text'>#{album.title}</title><summary type='text'>#{album.description}</summary><gphoto:location></gphoto:location><gphoto:access>#{album.access}</gphoto:access><gphoto:timestamp></gphoto:timestamp><media:group><media:keywords></media:keywords></media:group><category scheme='http://schemas.google.com/g/2005#kind' term='http://schemas.google.com/photos/2007#album'></category></entry>"
end

# File lib/repositories/albums_repository.rb, line 81
def get_edit_url_from_entry(entry)
  href = ""
  entry.elements.each("link") do |link|
    if (link.attributes["rel"] == "edit")
      href = link.attributes["href"]
    end
  end
  href
end

# File lib/repositories/albums_repository.rb, line 91
def post_new_album(data)
  uri = URI("https://picasaweb.google.com/data/feed/api/user/#{@email}")
  status = ""
  Net::HTTP.start(uri.host, uri.port, :use_ssl => uri.scheme == 'https') do |http|
    request = Net::HTTP::Post.new uri.request_uri
    request['Authorization'] = @authentication_token
    request['Content-Type'] = "application/atom+xml; charset=UTF-8; type=entry"
    request.body = data
    response = http.request(request)
    status = response.code
  end
  status
end