Class: DiscourseSubscriptionClient::Request

Inherits:
Object
  • Object
show all
Defined in:
lib/discourse_subscription_client/request.rb

Constant Summary collapse

SUPPLIER_ERROR_LIMIT = 
3
RESOURCE_ERROR_LIMIT = 
5
VALID_TYPES = 
%w[resource supplier].freeze

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(type, id) ⇒ Request

Returns a new instance of Request.



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# File 'lib/discourse_subscription_client/request.rb', line 12

def initialize(type, id)
  @type = type.to_s
  @id = id
end

Instance Attribute Details

#id ⇒ Object (readonly)

Returns the value of attribute id.



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# File 'lib/discourse_subscription_client/request.rb', line 9

def id
  @id
end

#type ⇒ Object (readonly)

Returns the value of attribute type.



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# File 'lib/discourse_subscription_client/request.rb', line 9

def type
  @type
end

Class Method Details

.current_error(type, id) ⇒ Object 



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# File 'lib/discourse_subscription_client/request.rb', line 64

def self.current_error(type, id)
  new(type, id).current_error
end

Instance Method Details

#create_error(url, response) ⇒ Object 



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# File 'lib/discourse_subscription_client/request.rb', line 72

def create_error(url, response)
  if (error = current_error)
    error.count = error.count.to_i + 1
  else
    error = SubscriptionClientRequest.new(
      request_id: id,
      request_type: type,
      message: I18n.t("subscription_client.notices.connection_error", url: url),
      count: 1
    )
  end

  if response.present?
    begin
      body = JSON.parse(response.body)
    rescue JSON::ParserError
      body = nil
    end

    error.response = {
      status: response.status,
      body: body
    }

    error.message = body["error"] if body && body["error"]
  end

  error.save

  @current_error = nil

  return unless reached_limit?

  SubscriptionClientNotice.notify_connection_error(type, id)

  return unless type === "supplier" && (supplier = SubscriptionClientSupplier.find_by_id(id))

  supplier.deactivate_all_subscriptions!
end

#current_error(query_only: false) ⇒ Object 



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# File 'lib/discourse_subscription_client/request.rb', line 52

def current_error(query_only: false)
  @current_error ||= begin
    query = SubscriptionClientRequest
            .where("request_id = :request_id AND request_type = :request_type AND expired_at IS NULL", request_id: id, request_type: type)

    return nil unless query.exists?
    return query if query_only

    query.first
  end
end

#expire_error ⇒ Object 



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# File 'lib/discourse_subscription_client/request.rb', line 112

def expire_error
  if (query = current_error(query_only: true))
    record = query.first
    record.expired_at = Time.now
    record.save
  end

  SubscriptionClientNotice.expire_connection_error(type, id)
end

#limit ⇒ Object 



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# File 'lib/discourse_subscription_client/request.rb', line 68

def limit
  send("#{@type}_limit")
end

#perform(url, headers: {}, body: nil, opts: { method: "GET" }) ⇒ Object 



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# File 'lib/discourse_subscription_client/request.rb', line 17

def perform(url, headers: {}, body: nil, opts: { method: "GET" })
  return nil unless VALID_TYPES.include?(type)

  if body
    uri = URI.parse(url)
    uri.query = CGI.unescape(body.to_query)
    url = uri.to_s
  end

  headers.merge!({ "Origin" => Discourse.base_url_no_prefix })

  connection = Excon.new(url, headers: headers)

  begin
    response = connection.request(opts)
  rescue Excon::Error::Socket, Excon::Error::Timeout
    response = nil
  end

  if response && response.status == 200
    expire_error

    begin
      data = JSON.parse(response.body).deep_symbolize_keys
    rescue JSON::ParserError
      return nil
    end

    data
  else
    create_error(url, response)
    nil
  end
end

#reached_limit? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/discourse_subscription_client/request.rb', line 130

def reached_limit?
  return false unless current_error.present?

  current_error.count.to_i >= limit
end

#resource_limit ⇒ Object 



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# File 'lib/discourse_subscription_client/request.rb', line 126

def resource_limit
  RESOURCE_ERROR_LIMIT
end

#supplier_limit ⇒ Object 



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# File 'lib/discourse_subscription_client/request.rb', line 122

def supplier_limit
  SUPPLIER_ERROR_LIMIT
end