Class: Salesforce::Client

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(login, pass, options = {}) ⇒ Client 



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# File 'lib/salesforce.rb', line 13

def initialize(, pass, options = {})
  server = options[:server] || "www.salesforce.com"
  url = options[:url] || "https://#{server}/services/Soap/u/26.0"
  @rforce_binding = RForce::Binding.new url
  @rforce_binding. , pass
end

Instance Attribute Details

#rforce_binding ⇒ Object

Returns the value of attribute rforce_binding.



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# File 'lib/salesforce.rb', line 11

def rforce_binding
  @rforce_binding
end

Instance Method Details

#describe(mod) ⇒ Object 



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# File 'lib/salesforce.rb', line 20

def describe(mod)
  response = @rforce_binding.describeSObject(:sObject => mod)
  fail(response.to_s) if response.keys.first == :Fault
  response
end

#download_deleted(options = {}) ⇒ Object 



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# File 'lib/salesforce.rb', line 105

def download_deleted(options={})
  output_file = options[:output_file]
  fail "Output file not specified" if output_file.nil?

  answer = get_deleted(options)
  if answer[:getDeletedResponse].nil?
    fail answer[:Fault][:faultstring] if answer[:Fault] && answer[:Fault][:faultstring]
    fail "An unknown error occured during deleted records extraction."
  end

  result = answer[:getDeletedResponse][:result]
  FasterCSV.open(output_file,"w") do |csv|
    csv << ["Timestamp", "Id", "IsDeleted"]
    unless result[:deletedRecords].nil? then
      result[:deletedRecords].each do |record|
        timestamp = Time.parse(record[:deletedDate]).to_i
        csv << [timestamp, record[:id], "true"]
      end
    end
  end

  return result[:earliestDateAvailable], result[:latestDateCovered]
end

#download_updated(options = {}) ⇒ Object 



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# File 'lib/salesforce.rb', line 129

def download_updated(options={})
  module_name = options[:module]
  end_time   = options[:end_time] || Time.now
  start_time = options[:start_time] || end_time.advance(:days => -1)
  fields_list = options[:fields] || []
  puts "Downloading #{module_name} from #{start_time} to #{end_time}"
  update_answer = rforce_binding.getUpdated([:sObjectType, module_name, :startDate, start_time.utc.iso8601, :endDate, end_time.utc.iso8601])
  results = update_answer[:getUpdatedResponse][:result][:ids]
  if results.nil?
    puts "#{module_name} is empty"
    FasterCSV.open(options[:output_file], 'w') do |csv|
      csv << fields_list
    end
    return update_answer[:getUpdatedResponse][:result][:latestDateCovered]
  end
  puts "Found and downloaded #{results.size} records"
  fields_list = fields_list.map {|x| x.strip.to_sym}

  converters = {
    "datetime"  => lambda {|f| Time.parse(f).utc.to_i rescue f},
    "string"    => lambda {|f| f[0..128] rescue f},
    "textarea"  => lambda {|f| f[0..128] rescue f},
    "date"      => lambda {|f| Time.parse(f).utc.to_i + (12 * 3600) rescue f},
  }

  answer = describe(module_name)
  fields_description = answer[:describeSObjectResponse][:result][:fields]
  my_fields_description = fields_list.map {|f| fields_description.detect {|fl| fl[:name].to_sym == f}}

  my_converters = my_fields_description.map {|fd| converters[fd[:type]]}
  FasterCSV.open(options[:output_file], 'w') do |csv|
    csv << ['Timestamp'] + fields_list
    results.each_slice(2000) do |slice|
      ids = slice.reduce([]) do |memo, item|
        memo.concat [:ID, item]
      end
      result = rforce_binding.retrieve([:fieldList, fields_list.join(', '), :sObjectType, module_name].concat(ids) )
      result[:retrieveResponse][:result].each do |line|

        values = line.values_at(*fields_list).zip(my_converters).map do |value, converter|
         converter.nil? ? value : converter.call(value)
       end
       csv << [Time.parse(update_answer[:getUpdatedResponse][:result][:latestDateCovered]).utc.to_i] + values
      end
    end
  end
  update_answer[:getUpdatedResponse][:result][:latestDateCovered]
end

#fields(mod) ⇒ Object 



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# File 'lib/salesforce.rb', line 31

def fields(mod)
  result = @rforce_binding.describeSObject(:sObject => mod)
  if result.has_key?(:Fault)
    fail result
  end
  fields = result[:describeSObjectResponse][:result][:fields]
  fields.map {|f| f[:name]}
end

#get_deleted(options = {}) ⇒ Object 



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# File 'lib/salesforce.rb', line 95

def get_deleted(options={})
  rforce_binding = @rforce_binding
  sf_module = options[:module]
  end_time   = options[:end_time] || Time.now
  start_time = options[:start_time] || end_time.advance(:days => -15)
  fail "The specified start_time cannot be the same value as, or later than, the specified end_time value" unless end_time > start_time
  puts "Downloading from #{start_time} to #{end_time}"
  answer = rforce_binding.getDeleted([:sObjectType, sf_module, :startDate, start_time.utc.iso8601, :endDate, end_time.utc.iso8601])
end

#grab(options = {}) ⇒ Object 



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# File 'lib/salesforce.rb', line 40

def grab(options={})
  sf_module = options[:module] || fail("Specify SFDC module")
  fields = options[:fields]
  rforce_binding = @rforce_binding
  output = options[:output]

  if fields == :all
    fields = fields(sf_module)
  elsif fields.kind_of? String
    fields = fields.split(',')
    fields = fields.map {|f| f.strip}
  end

  values = fields.map {|v| v.to_sym}

  query = "SELECT #{values.join(', ')} from #{sf_module}"
  query(query, options.merge(:values => values))
end

#modules ⇒ Object 



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# File 'lib/salesforce.rb', line 26

def modules
  g = @rforce_binding.describeGlobal
  modules = g[:describeGlobalResponse][:result][:sobjects]
end

#query(query, options = {}) ⇒ Object 



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# File 'lib/salesforce.rb', line 59

def query(query, options={})
  values = options[:values]
  as_hash = options[:as_hash]
  counter = 1
  as_hash = true if !as_hash && values.nil?

  rforce_binding = @rforce_binding

  output = options[:output] || []

  begin
    answer = rforce_binding.query({:queryString => query, :batchSize => 2000})
  rescue Timeout::Error => e
    puts "Timeout occured retrying"
    retry
  end

  if answer[:queryResponse].nil? || answer[:queryResponse][:result].nil?
    fail answer[:Fault][:faultstring] if answer[:Fault] && answer[:Fault][:faultstring]
    fail "An unknown error occured while querying salesforce."
  end

  answer[:queryResponse][:result][:records].each {|row| output << (as_hash ? row : row.values_at(*values))} if answer[:queryResponse][:result][:size].to_i > 0

  more_locator = answer[:queryResponse][:result][:queryLocator]

  while more_locator do
    answer_more = rforce_binding.queryMore({:queryLocator => more_locator, :batchSize => 2000})
    answer_more[:queryMoreResponse][:result][:records].each do |row|
      output << (as_hash ? row : row.values_at(*values))
    end
    more_locator = answer_more[:queryMoreResponse][:result][:queryLocator]
  end
  output
end