Class: XeroRuby::ApiClient

Inherits:
Object
  • Object
show all
Includes:
StringSerialization
Defined in:
lib/xero-ruby/api_client.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from StringSerialization

#camelize, #camelize_key, #capitalize_first, #gsubbed, #to_camel_keys

Constructor Details

#initialize(config: {}, credentials: {}) ⇒ ApiClient

Initializes the ApiClient

Parameters:

  • config (Hash) (defaults to: {})

    a customizable set of options

Options Hash (config:):

  • Configuration (Configuration)

    for initializing the object, default to Configuration.default


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# File 'lib/xero-ruby/api_client.rb', line 35

def initialize(config: {}, credentials: {})
  @client_id = credentials[:client_id]
  @client_secret = credentials[:client_secret]
  @redirect_uri = credentials[:redirect_uri]
  @scopes = credentials[:scopes]
  @state = credentials[:state]
  @config = append_to_default_config(config)

  @user_agent = "xero-ruby-#{VERSION}"
  @default_headers = {
    'Content-Type' => 'application/json',
    'User-Agent' => @user_agent
  }
end

Instance Attribute Details

#configObject

The Configuration object holding settings to be used in the API client.


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# File 'lib/xero-ruby/api_client.rb', line 26

def config
  @config
end

#default_headersHash

Defines the headers to be used in HTTP requests of all API calls by default.

Returns:

  • (Hash)

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# File 'lib/xero-ruby/api_client.rb', line 31

def default_headers
  @default_headers
end

Instance Method Details

#access_tokenObject


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# File 'lib/xero-ruby/api_client.rb', line 102

def access_token
  XeroRuby.configure.access_token
end

#accounting_apiObject


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# File 'lib/xero-ruby/api_client.rb', line 62

def accounting_api
  @config.base_url = @config.accounting_url
  XeroRuby::AccountingApi.new(self)
end

#append_to_default_config(user_config) ⇒ Object


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# File 'lib/xero-ruby/api_client.rb', line 50

def append_to_default_config(user_config)
  config = Configuration.default
  user_config.each{|k,v| config.send("#{k}=", v) } if user_config
  config
end

#asset_apiObject


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# File 'lib/xero-ruby/api_client.rb', line 67

def asset_api
  @config.base_url = @config.asset_url
  XeroRuby::AssetApi.new(self)
end

#authorization_urlObject


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# File 'lib/xero-ruby/api_client.rb', line 56

def authorization_url
  url = "#{@config.}?response_type=code&client_id=#{@client_id}&redirect_uri=#{@redirect_uri}&scope=#{CGI.escape(@scopes)}"
  url << "&state=#{@state}" if @state
  return url
end

#build_collection_param(param, collection_format) ⇒ Object

Build parameter value according to the given collection format.

Parameters:

  • collection_format (String)

    one of :csv, :ssv, :tsv, :pipes and :multi


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# File 'lib/xero-ruby/api_client.rb', line 527

def build_collection_param(param, collection_format)
  case collection_format
  when :csv
    param.join(',')
  when :ssv
    param.join(' ')
  when :tsv
    param.join("\t")
  when :pipes
    param.join('|')
  when :multi
    # return the array directly as http client will handle it as expected
    param
  else
    fail "unknown collection format: #{collection_format.inspect}"
  end
end

#build_request(http_method, path, request, opts = {}) ⇒ Object

Builds the HTTP request

Parameters:

  • http_method (String)

    HTTP method/verb (e.g. POST)

  • path (String)

    URL path (e.g. /account/new)

  • opts (Hash) (defaults to: {})

    a customizable set of options

Options Hash (opts):

  • :header_params (Hash)

    Header parameters

  • :query_params (Hash)

    Query parameters

  • :form_params (Hash)

    Query parameters

  • :body (Object)

    HTTP body (JSON/XML)

Returns:

  • A Faraday Request


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# File 'lib/xero-ruby/api_client.rb', line 241

def build_request(http_method, path, request, opts = {})
  url = build_request_url(path)
  http_method = http_method.to_sym.downcase

  header_params = @default_headers.merge(opts[:header_params] || {})
  query_params = opts[:query_params] || {}
  form_params = opts[:form_params] || {}

  update_params_for_auth! header_params, query_params, opts[:auth_names]

  req_opts = {
    :method => http_method,
    :headers => header_params,
    :params => query_params,
    :params_encoding => @config.params_encoding,
    :timeout => @config.timeout,
    :verbose => @config.debugging
  }

  if [:post, :patch, :put, :delete].include?(http_method)
    req_body = build_request_body(header_params, form_params, opts[:body])
    req_opts.update :body => req_body
    if @config.debugging
      @config.logger.debug "HTTP request body param ~BEGIN~\n#{req_body}\n~END~\n"
    end
  end
  request.headers = header_params
  request.options.timeout = @config.timeout
  request.body = req_body
  request.url url
  request.params = query_params
  request
end

#build_request_body(header_params, form_params, body) ⇒ String

Builds the HTTP request body

Parameters:

  • header_params (Hash)

    Header parameters

  • form_params (Hash)

    Query parameters

  • body (Object)

    HTTP body (JSON/XML)

Returns:

  • (String)

    HTTP body data in the form of string


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# File 'lib/xero-ruby/api_client.rb', line 281

def build_request_body(header_params, form_params, body)
  # http form
  if header_params['Content-Type'] == 'application/x-www-form-urlencoded'
    data = URI.encode_www_form(form_params)
  elsif header_params['Content-Type'] == 'multipart/form-data'
    data = {}
    form_params.each do |key, value|
      case value
      when ::File, ::Tempfile
        data[form_params["name"]] = Faraday::UploadIO.new(value.path, form_params["mimeType"], value.path)
      when ::Array, nil
        # let Faraday handle Array and nil parameters
        data[key] = value
      else
        data[key] = value.to_s
      end
    end
  elsif body
    data = body.is_a?(String) ? body : body.to_json
  else
    data = nil
  end
  data
end

#build_request_url(path) ⇒ Object


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# File 'lib/xero-ruby/api_client.rb', line 444

def build_request_url(path)
  if @config.base_url
    # Add leading and trailing slashes to path
    path = "/#{path}".gsub(/\/+/, '/')
    @config.base_url + path
  else
    path
  end
end

#call_api(http_method, path, api_client, opts = {}) ⇒ Array<(Object, Integer, Hash)>

Call an API with given options.

Returns:

  • (Array<(Object, Integer, Hash)>)

    an array of 3 elements: the data deserialized from response body (could be nil), response status code and response headers.


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# File 'lib/xero-ruby/api_client.rb', line 176

def call_api(http_method, path, api_client, opts = {})
  ssl_options = {
    :ca_file => @config.ssl_ca_file,
    :verify => @config.ssl_verify,
    :verify_mode => @config.ssl_verify_mode,
    :client_cert => @config.ssl_client_cert,
    :client_key => @config.ssl_client_key
  }

  connection = Faraday.new(:url => config.base_url, :ssl => ssl_options) do |conn|
    conn.basic_auth(config.username, config.password)
    if opts[:header_params]["Content-Type"] == "multipart/form-data"
      conn.request :multipart
      conn.request :url_encoded
    end
    conn.adapter(Faraday.default_adapter)
  end

  begin
    response = connection.public_send(http_method.to_sym.downcase) do |req|
      build_request(http_method, path, req, opts)
    end

    if @config.debugging
      @config.logger.debug "HTTP response body ~BEGIN~\n#{response.body}\n~END~\n"
    end

    return_error(response) unless response.success?
  rescue Faraday::TimeoutError
    fail ApiError.new('Connection timed out')
  end

  if opts[:return_type]
    prepare_file(response) if opts[:return_type] == 'File'
    data = deserialize(response, opts[:return_type], api_client)
  elsif !response.body.empty?
    data = JSON.parse(response.body)
  else
    data = nil
  end
  return data, response.status, response.headers
end

#connectionsObject

Connection heplers


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# File 'lib/xero-ruby/api_client.rb', line 158

def connections
  @config.base_url = 'https://api.xero.com'
  opts = { :header_params => {'Content-Type': 'application/json'}, :auth_names => ['OAuth2'] }
  response = call_api(:GET, "/connections/", nil, opts)
  response[0]
end

#convert_to_type(data, return_type, api_client) ⇒ Mixed

Convert data to the given return type.

Parameters:

  • data (Object)

    Data to be converted

  • return_type (String)

    Return type

Returns:

  • (Mixed)

    Data in a particular type


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# File 'lib/xero-ruby/api_client.rb', line 356

def convert_to_type(data, return_type, api_client)
  return nil if data.nil?
  case return_type
  when 'String'
    data.to_s
  when 'Integer'
    data.to_i
  when 'Float'
    data.to_f
  when 'Boolean'
    data == true
  when 'DateTime'
    # parse date time (expecting ISO 8601 format)
    DateTime.parse data
  when 'Date'
    # parse date time (expecting ISO 8601 format)
    Date.parse data
  when 'Object'
    # generic object (usually a Hash), return directly
    data
  when /\AArray<(.+)>\z/
    # e.g. Array<Pet>
    sub_type = $1
    data.map { |item| convert_to_type(item, sub_type, api_client) }
  when /\AHash\<String, (.+)\>\z/
    # e.g. Hash<String, Integer>
    sub_type = $1
    {}.tap do |hash|
      data.each { |k, v| hash[k] = convert_to_type(v, sub_type, api_client) }
    end
  else
    case api_client
    when 'AccountingApi'
      XeroRuby::Accounting.const_get(return_type).build_from_hash(data)
    when 'AssetApi'
      XeroRuby::Assets.const_get(return_type).build_from_hash(data)
    when 'ProjectApi'
      XeroRuby::Projects.const_get(return_type).build_from_hash(data)
    when 'FilesApi'
      XeroRuby::Files.const_get(return_type).build_from_hash(data)
    when 'PayrollAuApi'
      XeroRuby::PayrollAu.const_get(return_type).build_from_hash(data)
    when 'PayrollNzApi'
      XeroRuby::PayrollNz.const_get(return_type).build_from_hash(data)
    when 'PayrollUkApi'
      XeroRuby::PayrollUk.const_get(return_type).build_from_hash(data)
    else
      XeroRuby::Accounting.const_get(return_type).build_from_hash(data)
    end
  end
end

#deserialize(response, return_type, api_client) ⇒ Object

Deserialize the response to the given return type.

Parameters:

  • response (Response)

    HTTP response

  • return_type (String)

    some examples: “User”, “Array<User>”, “Hash<String, Integer>”


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# File 'lib/xero-ruby/api_client.rb', line 322

def deserialize(response, return_type, api_client)
  body = response.body

  # handle file downloading - return the File instance processed in request callbacks
  # note that response body is empty when the file is written in chunks in request on_body callback
  return @tempfile if return_type == 'File'

  return nil if body.nil? || body.empty?

  # return response body directly for String return type
  return body if return_type == 'String'

  # ensuring a default content type
  content_type = response.headers['Content-Type'] || 'application/json'

  fail "Content-Type is not supported: #{content_type}" unless json_mime?(content_type)

  begin
    data = JSON.parse("[#{body}]", :symbolize_names => true)[0]
  rescue JSON::ParserError => e
    if %w(String Date DateTime).include?(return_type)
      data = body
    else
      raise e
    end
  end 

  convert_to_type(data, return_type, api_client)
end

#disconnect(connection_id) ⇒ Object


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# File 'lib/xero-ruby/api_client.rb', line 165

def disconnect(connection_id)
  @config.base_url = 'https://api.xero.com'
  opts = { :header_params => {'Content-Type': 'application/json'}, :auth_names => ['OAuth2'] }
  call_api(:DELETE, "/connections/#{connection_id}", nil, opts)
  connections
end

#files_apiObject


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# File 'lib/xero-ruby/api_client.rb', line 77

def files_api
  @config.base_url = @config.files_url
  XeroRuby::FilesApi.new(self)
end

#get_token_set_from_callback(params) ⇒ Object


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# File 'lib/xero-ruby/api_client.rb', line 117

def get_token_set_from_callback(params)
  data = {
    grant_type: 'authorization_code',
    code: params['code'],
    redirect_uri: @redirect_uri
  }
  return token_request(data, '/token')
end

#json_mime?(mime) ⇒ Boolean

Check if the given MIME is a JSON MIME. JSON MIME examples:

application/json
application/json; charset=UTF8
APPLICATION/JSON
*/*

Parameters:

  • mime (String)

    MIME

Returns:

  • (Boolean)

    True if the MIME is application/json


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# File 'lib/xero-ruby/api_client.rb', line 314

def json_mime?(mime)
  (mime == '*/*') || !(mime =~ /Application\/.*json(?!p)(;.*)?/i).nil?
end

#object_to_hash(obj) ⇒ String

Convert object(non-array) to hash.

Parameters:

  • obj (Object)

    object to be converted into JSON string

Returns:

  • (String)

    JSON string representation of the object


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# File 'lib/xero-ruby/api_client.rb', line 517

def object_to_hash(obj)
  if obj.respond_to?(:to_hash)
    to_camel_keys(obj).to_hash
  else
    to_camel_keys(obj)
  end
end

#object_to_http_body(model) ⇒ String

Convert object (array, hash, object, etc) to JSON string.

Parameters:

  • model (Object)

    object to be converted into JSON string

Returns:

  • (String)

    JSON string representation of the object


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# File 'lib/xero-ruby/api_client.rb', line 503

def object_to_http_body(model)
  return model if model.nil? || model.is_a?(String)
  local_body = nil
  if model.is_a?(Array)
    local_body = model.map { |m| object_to_hash(m) }
  else
    local_body = object_to_hash(model)
  end
  local_body.to_json
end

#parameterize_where(where_opts) ⇒ Object


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# File 'lib/xero-ruby/api_client.rb', line 545

def parameterize_where(where_opts)
  Where.new(where_opts).to_param
end

#payroll_au_apiObject


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# File 'lib/xero-ruby/api_client.rb', line 82

def payroll_au_api
  @config.base_url = @config.payroll_au_url
  XeroRuby::PayrollAuApi.new(self)
end

#payroll_nz_apiObject


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# File 'lib/xero-ruby/api_client.rb', line 87

def payroll_nz_api
  @config.base_url = @config.payroll_nz_url
  XeroRuby::PayrollNzApi.new(self)
end

#payroll_uk_apiObject


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# File 'lib/xero-ruby/api_client.rb', line 92

def payroll_uk_api
  @config.base_url = @config.payroll_uk_url
  XeroRuby::PayrollUkApi.new(self)
end

#prepare_file(response) ⇒ Object

Save response body into a file in (the defined) temporary folder, using the filename from the “Content-Disposition” header if provided, otherwise a random filename. The response body is written to the file in chunks in order to handle files which size is larger than maximum Ruby String or even larger than the maximum memory a Ruby process can use.


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# File 'lib/xero-ruby/api_client.rb', line 415

def prepare_file(response)
  content_disposition = response.headers['Content-Disposition']
  if content_disposition && content_disposition =~ /filename=/i
    filename = content_disposition[/filename=['"]?([^'"\s]+)['"]?/, 1]
    prefix = sanitize_filename(filename)
  else
    prefix = 'download-'
  end
  prefix = prefix + '-' unless prefix.end_with?('-')
  encoding = response.body.encoding
  tempfile = Tempfile.open(prefix, @config.temp_folder_path, encoding: encoding)
  @tempfile = tempfile
  tempfile.write(response.body)
  tempfile.close if tempfile
  @config.logger.info "Temp file written to #{tempfile.path}, please copy the file to a proper folder "\
                      "with e.g. `FileUtils.cp(tempfile.path, '/new/file/path')` otherwise the temp file "\
                      "will be deleted automatically with GC. It's also recommended to delete the temp file "\
                      "explicitly with `tempfile.delete`"
end

#project_apiObject


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# File 'lib/xero-ruby/api_client.rb', line 72

def project_api
  @config.base_url = @config.project_url
  XeroRuby::ProjectApi.new(self)
end

#refresh_token_set(token_set) ⇒ Object


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# File 'lib/xero-ruby/api_client.rb', line 126

def refresh_token_set(token_set)
  data = {
    grant_type: 'refresh_token',
    refresh_token: token_set['refresh_token']
  }
  return token_request(data, '/token')
end

#return_error(response) ⇒ Object


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# File 'lib/xero-ruby/api_client.rb', line 219

def return_error(response)
  if response.status == 0
    # Errors from libcurl will be made visible here
    fail ApiError.new(:code => 0,
                      :message => response.return_message)
  else
    fail ApiError.new(:code => response.status,
                      :response_headers => response.headers,
                      :response_body => response.body),
          response.reason_phrase
  end
end

#revoke_token(token_set) ⇒ Object


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# File 'lib/xero-ruby/api_client.rb', line 134

def revoke_token(token_set)
  data = {
    token: token_set['refresh_token']
  }
  return token_request(data, '/revocation')
end

#sanitize_filename(filename) ⇒ String

Sanitize filename by removing path. e.g. ../../sun.gif becomes sun.gif

Parameters:

  • filename (String)

    the filename to be sanitized

Returns:

  • (String)

    the sanitized filename


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# File 'lib/xero-ruby/api_client.rb', line 440

def sanitize_filename(filename)
  filename.gsub(/.*[\/\\]/, '')
end

#select_header_accept(accepts) ⇒ String

Return Accept header based on an array of accepts provided.

Parameters:

  • accepts (Array)

    array for Accept

Returns:

  • (String)

    the Accept header (e.g. application/json)


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# File 'lib/xero-ruby/api_client.rb', line 482

def select_header_accept(accepts)
  return nil if accepts.nil? || accepts.empty?
  # use JSON when present, otherwise use all of the provided
  json_accept = accepts.find { |s| json_mime?(s) }
  json_accept || accepts.join(',')
end

#select_header_content_type(content_types) ⇒ String

Return Content-Type header based on an array of content types provided.

Parameters:

  • content_types (Array)

    array for Content-Type

Returns:

  • (String)

    the Content-Type header (e.g. application/json)


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# File 'lib/xero-ruby/api_client.rb', line 492

def select_header_content_type(content_types)
  # use application/json by default
  return 'application/json' if content_types.nil? || content_types.empty?
  # use JSON when present, otherwise use the first one
  json_content_type = content_types.find { |s| json_mime?(s) }
  json_content_type || content_types.first
end

#set_access_token(access_token) ⇒ Object


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# File 'lib/xero-ruby/api_client.rb', line 113

def set_access_token(access_token)
  XeroRuby.configure.access_token = access_token
end

#set_token_set(token_set) ⇒ Object


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# File 'lib/xero-ruby/api_client.rb', line 106

def set_token_set(token_set)
  # helper to set the token_set on a client once the user
  # has a valid token set ( access_token & refresh_token )
  XeroRuby.configure.token_set = token_set
  set_access_token(token_set['access_token'])
end

#token_request(data, path) ⇒ Object


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# File 'lib/xero-ruby/api_client.rb', line 141

def token_request(data, path)
  response = Faraday.post("#{@config.token_url}#{path}") do |req|
    req.headers['Authorization'] = "Basic " + Base64.strict_encode64("#{@client_id}:#{@client_secret}")
    req.headers['Content-Type'] = 'application/x-www-form-urlencoded'
    req.body = URI.encode_www_form(data)
  end
  return_error(response) unless response.success?
  if !response.body.nil? && !response.body.empty?
    body = JSON.parse(response.body)
    set_token_set(body)
  else
    body = {}
  end
  return body
end

#token_setObject

Token Helpers


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# File 'lib/xero-ruby/api_client.rb', line 98

def token_set
  XeroRuby.configure.token_set
end

#update_params_for_auth!(header_params, query_params, auth_names) ⇒ Object

Update hearder and query params based on authentication settings.

Parameters:

  • header_params (Hash)

    Header parameters

  • query_params (Hash)

    Query parameters

  • auth_names (String)

    Authentication scheme name


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# File 'lib/xero-ruby/api_client.rb', line 459

def update_params_for_auth!(header_params, query_params, auth_names)
  Array(auth_names).each do |auth_name|
    auth_setting = @config.auth_settings[auth_name]
    next unless auth_setting
    case auth_setting[:in]
    when 'header' then header_params[auth_setting[:key]] = auth_setting[:value]
    when 'query'  then query_params[auth_setting[:key]] = auth_setting[:value]
    else fail ArgumentError, 'Authentication token must be in `query` of `header`'
    end
  end
end

#user_agent=(user_agent) ⇒ Object

Sets user agent in HTTP header

Parameters:

  • user_agent (String)

    User agent (e.g. openapi-generator/ruby/1.0.0)


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# File 'lib/xero-ruby/api_client.rb', line 474

def user_agent=(user_agent)
  @user_agent = user_agent
  @default_headers['User-Agent'] = @user_agent
end