Class: BibSonomy::API

Inherits:
Object
  • Object
show all
Defined in:
lib/bibsonomy/api.rb

Instance Method Summary collapse

Constructor Details

#initialize(user_name, api_key, format = 'ruby') ⇒ API

Initializes the client with the given credentials.

‘xml’, ‘json’, ‘ruby’, ‘csl’, ‘bibtex’. The default is ‘ruby’ which returns Ruby objects defined by this library. Currently, ‘csl’ and ‘bibtex’ are only available for publications.

Parameters:

  • user_name (String) —

    the name of the user account used for accessing the API

  • api_key (String) —

    the API key corresponding to the user account - can be obtained from www.bibsonomy.org/settings?selTab=1

  • format (String) (defaults to: 'ruby') —

    The requested return format. One of:



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# File 'lib/bibsonomy/api.rb', line 37

def initialize(user_name, api_key, format = 'ruby')

  # configure output format
  if format == 'ruby'
    @format = 'json'
    @parse = true
  else
    @format = format
    @parse = false
  end

  @conn = Faraday.new(:url => $API_URL) do |faraday|
    faraday.request  :url_encoded             # form-encode POST params
    #faraday.response :logger
    faraday.adapter  Faraday.default_adapter  # make requests with
                                              # Net::HTTP
  end

  @conn.basic_auth(user_name, api_key)

end

Instance Method Details

#get_document(user_name, intra_hash, file_name) ⇒ Object

Get a document belonging to a post.

Parameters:

  • user_name
  • intra_hash
  • file_name

Returns:

  • the document and the content type



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# File 'lib/bibsonomy/api.rb', line 116

def get_document(user_name, intra_hash, file_name)
  response = @conn.get get_document_href(user_name, intra_hash, file_name)
  if response.status == 200
    return [response.body, response.headers['content-type']]
  end
  return nil, nil
end

#get_document_href(user_name, intra_hash, file_name) ⇒ Object 



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# File 'lib/bibsonomy/api.rb', line 105

def get_document_href(user_name, intra_hash, file_name)
  return "/api/users/" + CGI.escape(user_name) + "/posts/" + CGI.escape(intra_hash) + "/documents/" + CGI.escape(file_name)
end

#get_document_preview(user_name, intra_hash, file_name, size) ⇒ Object

Get the preview for a document belonging to a post.

Parameters:

  • user_name
  • intra_hash
  • file_name
  • size

Returns:

  • the preview image and the content type ‘image/jpeg`



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# File 'lib/bibsonomy/api.rb', line 132

def get_document_preview(user_name, intra_hash, file_name, size)
  response = get_document_href(user_name, intra_hash, file_name), { :preview => size }
  if response.status = 200
    return [response.body, 'image/jpeg']
  end
  return nil, nil
end

#get_post(user_name, intra_hash) ⇒ BibSonomy::Post, String

Get a single post

Parameters:

  • user_name (String) —

    the name of the post’s owner

  • intra_hash (String) —

    the intrag hash of the post

Returns:



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# File 'lib/bibsonomy/api.rb', line 66

def get_post(user_name, intra_hash)
  response = @conn.get "/api/users/" + CGI.escape(user_name) + "/posts/" + CGI.escape(intra_hash), { :format => @format }

  if @parse
    attributes = JSON.parse(response.body)
    return Post.new(attributes["post"])
  end
  return response.body
end

#get_posts_for_user(user_name, resource_type, tags = nil, start = 0, endc = $MAX_POSTS_PER_REQUEST) ⇒ Array<BibSonomy::Post>, String

Get posts owned by a user, optionally filtered by tags.

Parameters:

  • user_name (String) —

    the name of the posts’ owner

  • resource_type (String) —

    the type of the post. Currently supported are ‘bookmark’ and ‘publication’.

  • tags (Array<String>) (defaults to: nil) —

    the tags that all posts must contain (can be empty)

  • start (Integer) (defaults to: 0) —

    number of first post to download

  • endc (Integer) (defaults to: $MAX_POSTS_PER_REQUEST) —

    number of last post to download

Returns:



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# File 'lib/bibsonomy/api.rb', line 85

def get_posts_for_user(user_name, resource_type, tags = nil, start = 0, endc = $MAX_POSTS_PER_REQUEST)
  params = {
    :format => @format,
    :resourcetype => get_resource_type(resource_type),
    :start => start,
    :end => endc
  }
  # add tags, if requested
  if tags != nil
    params[:tags] = tags.join(" ")
  end
  response = @conn.get "/api/users/" + CGI.escape(user_name) + "/posts", params

  if @parse
    posts = JSON.parse(response.body)["posts"]["post"]
    return posts.map { |attributes| Post.new(attributes) }
  end
  return response.body
end