Class: AgridClient::ApiClient

Inherits:
Object
  • Object
show all
Defined in:
lib/agrid_client/api_client.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(config = Configuration.default) ⇒ ApiClient

Initializes the ApiClient

Parameters:

  • config (Hash) (defaults to: Configuration.default)

    a customizable set of options

Options Hash (config):

  • Configuraiton (Configuration)

    for initializing the object, default to Configuration.default



19
20
21
22
23
24
25
26
27
28
29
30
31
# File 'lib/agrid_client/api_client.rb', line 19

def initialize(config = Configuration.default)
  @config = config
  @user_agent = "agrid_client/#{VERSION}/ruby"
  @default_headers = {
    'Content-Type' => "application/json",
    'User-Agent' => @user_agent
  }

  if config.app_credentials
    @default_headers['AGRID-APP-ID'] = config.app_credentials[:id]
    @default_headers['AGRID-APP-KEY'] = config.app_credentials[:key]
  end
end

Instance Attribute Details

#configObject

Returns the value of attribute config.



10
11
12
# File 'lib/agrid_client/api_client.rb', line 10

def config
  @config
end

#default_headersHash

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

Returns:

  • (Hash)


15
16
17
# File 'lib/agrid_client/api_client.rb', line 15

def default_headers
  @default_headers
end

Class Method Details

.defaultObject



33
34
35
# File 'lib/agrid_client/api_client.rb', line 33

def self.default
  @@default ||= ApiClient.new
end

Instance Method Details

#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



334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
# File 'lib/agrid_client/api_client.rb', line 334

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 typhoeus will handle it as expected
    param
  else
    fail "unknown collection format: #{collection_format.inspect}"
  end
end

#build_request(http_method, path, opts = {}) ⇒ Typhoeus::Request

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:

  • (Typhoeus::Request)

    A Typhoeus Request



73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
# File 'lib/agrid_client/api_client.rb', line 73

def build_request(http_method, path, 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] || {}


  req_opts = {
    :method => http_method,
    :headers => header_params,
    :params => query_params,
    :timeout => @config.timeout,
    :ssl_verifypeer => @config.verify_ssl,
    :sslcert => @config.cert_file,
    :sslkey => @config.key_file,
    :verbose => @config.debugging
  }

  req_opts[:cainfo] = @config.ssl_ca_cert if @config.ssl_ca_cert

  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

  Typhoeus::Request.new(url, req_opts)
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



239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
# File 'lib/agrid_client/api_client.rb', line 239

def build_request_body(header_params, form_params, body)
  # http form
  if header_params['Content-Type'] == 'application/x-www-form-urlencoded' ||
      header_params['Content-Type'] == 'multipart/form-data'
    data = {}
    form_params.each do |key, value|
      case value
      when File, Array, nil
        # let typhoeus handle File, 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



227
228
229
230
231
# File 'lib/agrid_client/api_client.rb', line 227

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

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

Call an API with given options.

Returns:

  • (Array<(Object, Fixnum, Hash)>)

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



41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
# File 'lib/agrid_client/api_client.rb', line 41

def call_api(http_method, path, opts = {})
  request = build_request(http_method, path, opts)
  response = request.run

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

  unless response.success?
    fail ApiError.new(:code => response.code,
                      :response_headers => response.headers,
                      :response_body => response.body),
         response.status_message
  end

  if opts[:return_type]
    data = deserialize(response, opts[:return_type])
  else
    data = nil
  end
  return data, response.code, response.headers
end

#convert_to_type(data, return_type) ⇒ 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



153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
# File 'lib/agrid_client/api_client.rb', line 153

def convert_to_type(data, return_type)
  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) }
  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) }
    end
  else
    AgridClient.const_get(return_type).new.tap do |model|
      model.build_from_hash data
    end
  end
end

#deserialize(response, return_type) ⇒ Object

Deserialize the response to the given return type.

Parameters:

  • response (Response)

    HTTP response

  • return_type (String)

    some examples: “User”, “Array”, “Hash



121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
# File 'lib/agrid_client/api_client.rb', line 121

def deserialize(response, return_type)
  body = response.body
  return nil if body.nil? || body.empty?

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

  # handle file downloading - save response body into a tmp file and return the File instance
  return download_file(response) if return_type == 'File'

  # 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
end

#download_file(response) ⇒ Tempfile

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.

Returns:

  • (Tempfile)

    the file downloaded

See Also:



195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
# File 'lib/agrid_client/api_client.rb', line 195

def download_file(response)
  content_disposition = response.headers['Content-Disposition']
  if content_disposition
    filename = content_disposition[/filename=['"]?([^'"\s]+)['"]?/, 1]
    prefix = sanitize_filename(filename)
  else
    prefix = 'download-'
  end
  prefix = prefix + '-' unless prefix.end_with?('-')

  tempfile = nil
  encoding = response.body.encoding
  Tempfile.open(prefix, @config.temp_folder_path, encoding: encoding) do |file|
    file.write(response.body)
    tempfile = file
  end
  @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`"
  tempfile
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 applicaton/json



113
114
115
# File 'lib/agrid_client/api_client.rb', line 113

def json_mime?(mime)
   !(mime =~ /\Aapplication\/json(;.*)?\z/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



324
325
326
327
328
329
330
# File 'lib/agrid_client/api_client.rb', line 324

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



310
311
312
313
314
315
316
317
318
319
# File 'lib/agrid_client/api_client.rb', line 310

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

#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



223
224
225
# File 'lib/agrid_client/api_client.rb', line 223

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)



289
290
291
292
293
294
# File 'lib/agrid_client/api_client.rb', line 289

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) }
  return 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)



299
300
301
302
303
304
305
# File 'lib/agrid_client/api_client.rb', line 299

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) }
  return json_content_type || content_types.first
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

  • form_params (Hash)

    Query parameters

  • auth_names (String)

    Authentication scheme name



266
267
268
269
270
271
272
273
274
275
276
# File 'lib/agrid_client/api_client.rb', line 266

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. swagger-codegen/ruby/1.0.0)



281
282
283
284
# File 'lib/agrid_client/api_client.rb', line 281

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