Exception: Koala::Facebook::APIError

Inherits:
KoalaError
  • Object
show all
Defined in:
lib/koala/errors.rb

Overview

Facebook responded with an error to an API request. If the exception contains a nil http_status, then the error was detected before making a call to Facebook. (e.g. missing access token)

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(http_status, response_body, error_info = nil) ⇒ Object

Create a new API Error

Parameters:

  • http_status (Integer)

    The HTTP status code of the response

  • response_body (String)

    The response body

  • error_info (defaults to: nil)

    One of the following:

    Hash

    The error information extracted from the request (“type”, “code”, “error_subcode”, “message”)

    String

    The error description

    If error_info is nil or not provided, the method will attempt to extract the error info from the response_body


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# File 'lib/koala/errors.rb', line 43

def initialize(http_status, response_body, error_info = nil)
  if response_body
    self.response_body = response_body.strip
  else
    self.response_body = ''
  end
  self.http_status = http_status

  if error_info && error_info.is_a?(String)
    message = error_info
  else
    unless error_info
      begin
        error_info = JSON.parse(response_body)['error'] if response_body
      rescue
      end
      error_info ||= {}
    end

    self.fb_error_type = error_info["type"]
    self.fb_error_code = error_info["code"]
    self.fb_error_subcode = error_info["error_subcode"]
    self.fb_error_message = error_info["message"]
    self.fb_error_user_msg = error_info["error_user_msg"]
    self.fb_error_user_title = error_info["error_user_title"]

    self.fb_error_trace_id = error_info["x-fb-trace-id"]
    self.fb_error_debug = error_info["x-fb-debug"]
    self.fb_error_rev = error_info["x-fb-rev"]
    self.fb_buc_usage = json_parse_for(error_info, "x-business-use-case-usage")
    self.fb_ada_usage = json_parse_for(error_info, "x-ad-account-usage")
    self.fb_app_usage = json_parse_for(error_info, "x-app-usage")

    error_array = []
    %w(type code error_subcode message error_user_title error_user_msg x-fb-trace-id).each do |key|
      error_array << "#{key}: #{error_info[key]}" if error_info[key]
    end

    if error_array.empty?
      message = self.response_body
    else
      message = error_array.join(', ')
    end
  end
  message += " [HTTP #{http_status}]" if http_status

  super(message)
end

Instance Attribute Details

#fb_ada_usageObject

Returns the value of attribute fb_ada_usage.


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# File 'lib/koala/errors.rb', line 16

def fb_ada_usage
  @fb_ada_usage
end

#fb_app_usageObject

Returns the value of attribute fb_app_usage.


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# File 'lib/koala/errors.rb', line 16

def fb_app_usage
  @fb_app_usage
end

#fb_buc_usageObject

Returns the value of attribute fb_buc_usage.


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# File 'lib/koala/errors.rb', line 16

def fb_buc_usage
  @fb_buc_usage
end

#fb_error_codeObject

Returns the value of attribute fb_error_code.


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# File 'lib/koala/errors.rb', line 16

def fb_error_code
  @fb_error_code
end

#fb_error_debugObject

Returns the value of attribute fb_error_debug.


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# File 'lib/koala/errors.rb', line 16

def fb_error_debug
  @fb_error_debug
end

#fb_error_messageObject

Returns the value of attribute fb_error_message.


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# File 'lib/koala/errors.rb', line 16

def fb_error_message
  @fb_error_message
end

#fb_error_revObject

Returns the value of attribute fb_error_rev.


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# File 'lib/koala/errors.rb', line 16

def fb_error_rev
  @fb_error_rev
end

#fb_error_subcodeObject

Returns the value of attribute fb_error_subcode.


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# File 'lib/koala/errors.rb', line 16

def fb_error_subcode
  @fb_error_subcode
end

#fb_error_trace_idObject

Returns the value of attribute fb_error_trace_id.


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# File 'lib/koala/errors.rb', line 16

def fb_error_trace_id
  @fb_error_trace_id
end

#fb_error_typeObject

Returns the value of attribute fb_error_type.


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# File 'lib/koala/errors.rb', line 16

def fb_error_type
  @fb_error_type
end

#fb_error_user_msgObject

Returns the value of attribute fb_error_user_msg.


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# File 'lib/koala/errors.rb', line 16

def fb_error_user_msg
  @fb_error_user_msg
end

#fb_error_user_titleObject

Returns the value of attribute fb_error_user_title.


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# File 'lib/koala/errors.rb', line 16

def fb_error_user_title
  @fb_error_user_title
end

#http_statusObject

Returns the value of attribute http_status.


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# File 'lib/koala/errors.rb', line 16

def http_status
  @http_status
end

#response_bodyObject

Returns the value of attribute response_body.


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# File 'lib/koala/errors.rb', line 16

def response_body
  @response_body
end