Class: AEMO::NEM12

Inherits:
Object
  • Object
show all
Defined in:
lib/aemo/nem12.rb,
lib/aemo/nem12/reason_codes.rb,
lib/aemo/nem12/quality_method.rb,
lib/aemo/nem12/record_indicators.rb,
lib/aemo/nem12/data_stream_suffix.rb,
lib/aemo/nem12/unit_of_measurement.rb,
lib/aemo/nem12/transaction_code_flags.rb

Overview

Namespace for classes and modules that handle AEMO Gem NEM12 interactions

Since:

  • 0.1.4

Constant Summary collapse

CRLF =

Since:

  • 0.1.4

"\r\n"
CSV_SEPARATOR =

Since:

  • 0.1.4

','
REASON_CODES =

Since:

  • 0.1.4

{
  0 => 'Free Text Description',
  1 => 'Meter/Equipment Changed',
  2 => 'Extreme Weather/Wet',
  3 => 'Quarantine',
  4 => 'Savage Dog',
  5 => 'Meter/Equipment Changed',
  6 => 'Extreme Weather/Wet',
  7 => 'Unable To Locate Meter',
  8 => 'Vacant Premise',
  9 => 'Meter/Equipment Changed',
  10 => 'Lock Damaged/Seized',
  11 => 'In Wrong Walk',
  12 => 'Locked Premises',
  13 => 'Locked Gate',
  14 => 'Locked Meter Box',
  15 => 'Access - Overgrown',
  16 => 'Noxious Weeds',
  17 => 'Unsafe Equipment/Location',
  18 => 'Read Below Previous',
  19 => 'Consumer Wanted',
  20 => 'Damaged Equipment/Panel',
  21 => 'Switched Off',
  22 => 'Meter/Equipment Seals Missing',
  23 => 'Meter/Equipment Seals Missing',
  24 => 'Meter/Equipment Seals Missing',
  25 => 'Meter/Equipment Seals Missing',
  26 => 'Meter/Equipment Seals Missing',
  27 => 'Meter/Equipment Seals Missing',
  28 => 'Damaged Equipment/Panel',
  29 => 'Relay Faulty/Damaged',
  30 => 'Meter Stop Switch On',
  31 => 'Meter/Equipment Seals Missing',
  32 => 'Damaged Equipment/Panel',
  33 => 'Relay Faulty/Damaged',
  34 => 'Meter Not In Handheld',
  35 => 'Timeswitch Faulty/Reset Required',
  36 => 'Meter High/Ladder Required',
  37 => 'Meter High/Ladder Required',
  38 => 'Unsafe Equipment/Location',
  39 => 'Reverse Energy Observed',
  40 => 'Timeswitch Faulty/Reset Required',
  41 => 'Faulty Equipment Display/Dials',
  42 => 'Faulty Equipment Display/Dials',
  43 => 'Power Outage',
  44 => 'Unsafe Equipment/Location',
  45 => 'Readings Failed To Validate',
  46 => 'Extreme Weather/Hot',
  47 => 'Refused Access',
  48 => 'Timeswitch Faulty/Reset Required',
  49 => 'Wet Paint',
  50 => 'Wrong Tariff',
  51 => 'Installation Demolished',
  52 => 'Access - Blocked',
  53 => 'Bees/Wasp In Meter Box',
  54 => 'Meter Box Damaged/Faulty',
  55 => 'Faulty Equipment Display/Dials',
  56 => 'Meter Box Damaged/Faulty',
  57 => 'Timeswitch Faulty/Reset Required',
  58 => 'Meter Ok - Supply Failure',
  59 => 'Faulty Equipment Display/Dials',
  60 => 'Illegal Connection/Equipment Tampered',
  61 => 'Meter Box Damaged/Faulty',
  62 => 'Damaged Equipment/Panel',
  63 => 'Illegal Connection/Equipment Tampered',
  64 => 'Key Required',
  65 => 'Wrong Key Provided',
  66 => 'Lock Damaged/Seized',
  67 => 'Extreme Weather/Wet',
  68 => 'Zero Consumption',
  69 => 'Reading Exceeds Estimate',
  70 => 'Probe Reports Tampering',
  71 => 'Probe Read Error',
  72 => 'Meter/Equipment Changed',
  73 => 'Low Consumption',
  74 => 'High Consumption',
  75 => 'Customer Read',
  76 => 'Communications Fault',
  77 => 'Estimation Forecast',
  78 => 'Null Data',
  79 => 'Power Outage Alarm',
  80 => 'Short Interval Alarm',
  81 => 'Long Interval Alarm',
  82 => 'CRC Error',
  83 => 'RAM Checksum Error',
  84 => 'ROM Checksum Error',
  85 => 'Data Missing Alarm',
  86 => 'Clock Error Alarm',
  87 => 'Reset Occurred',
  88 => 'Watchdog Timeout Alarm',
  89 => 'Time Reset Occurred',
  90 => 'Test Mode',
  91 => 'Load Control',
  92 => 'Added Interval (Data Correction)',
  93 => 'Replaced Interval (Data Correction)',
  94 => 'Estimated Interval (Data Correction)',
  95 => 'Pulse Overflow Alarm',
  96 => 'Data Out Of Limits',
  97 => 'Excluded Data',
  98 => 'Parity Error',
  99 => 'Energy Type (Register Changed)'
}.freeze
QUALITY_FLAGS =

Since:

  • 0.1.4

{
  'A' => 'Actual Data',
  'E' => 'Forward Estimated Data',
  'F' => 'Final Substituted Data',
  'N' => 'Null Data',
  'S' => 'Substituted Data',
  'V' => 'Variable Data'
}.freeze
METHOD_FLAGS =

Since:

  • 0.1.4

{
  11 => { type: %w[SUB], installation_type: [1, 2, 3, 4], short_descriptor: 'Check', description: '' },
  12 => { type: %w[SUB], installation_type: [1, 2, 3, 4], short_descriptor: 'Calculated', description: '' },
  13 => { type: %w[SUB], installation_type: [1, 2, 3, 4], short_descriptor: 'SCADA', description: '' },
  14 => { type: %w[SUB], installation_type: [1, 2, 3, 4], short_descriptor: 'Like Day', description: '' },
  15 => { type: %w[SUB], installation_type: [1, 2, 3, 4], short_descriptor: 'Average Like Day', description: '' },
  16 => { type: %w[SUB], installation_type: [1, 2, 3, 4], short_descriptor: 'Agreed', description: '' },
  17 => { type: %w[SUB], installation_type: [1, 2, 3, 4], short_descriptor: 'Linear', description: '' },
  18 => { type: %w[SUB], installation_type: [1, 2, 3, 4], short_descriptor: 'Alternate', description: '' },
  19 => { type: %w[SUB], installation_type: [1, 2, 3, 4], short_descriptor: 'Zero', description: '' },
  20 => { type: %w[SUB], installation_type: [1, 2, 3, 4], short_descriptor: 'Churn Correction (Like Day)',
          description: '' },
  21 => { type: %w[SUB], installation_type: [1, 2, 3, 4], short_descriptor: 'Five-minute No Historical Data',
          description: '' },
  51 => { type: %w[EST SUB], installation_type: 5, short_descriptor: 'Previous Year', description: '' },
  52 => { type: %w[EST SUB], installation_type: 5, short_descriptor: 'Previous Read', description: '' },
  53 => { type: %w[SUB], installation_type: 5, short_descriptor: 'Revision', description: '' },
  54 => { type: %w[SUB], installation_type: 5, short_descriptor: 'Linear', description: '' },
  55 => { type: %w[SUB], installation_type: 5, short_descriptor: 'Agreed', description: '' },
  56 => { type: %w[EST SUB], installation_type: 5, short_descriptor: 'Prior to First Read - Agreed',
          description: '' },
  57 => { type: %w[EST SUB], installation_type: 5, short_descriptor: 'Customer Class', description: '' },
  58 => { type: %w[EST SUB], installation_type: 5, short_descriptor: 'Zero', description: '' },
  59 => { type: %w[EST SUB], installation_type: 5, short_descriptor: 'Five-minute No Historical Data',
          description: '' },
  61 => { type: %w[EST SUB], installation_type: 6, short_descriptor: 'Previous Year', description: '' },
  62 => { type: %w[EST SUB], installation_type: 6, short_descriptor: 'Previous Read', description: '' },
  63 => { type: %w[EST SUB], installation_type: 6, short_descriptor: 'Customer Class', description: '' },
  64 => { type: %w[SUB], installation_type: 6, short_descriptor: 'Agreed', description: '' },
  65 => { type: %w[EST], installation_type: 6, short_descriptor: 'ADL', description: '' },
  66 => { type: %w[SUB], installation_type: 6, short_descriptor: 'Revision', description: '' },
  67 => { type: %w[SUB], installation_type: 6, short_descriptor: 'Customer Read', description: '' },
  68 => { type: %w[EST SUB], installation_type: 6, short_descriptor: 'Zero', description: '' },
  69 => { type: %w[SUB], installation_type: 6, short_descriptor: 'Linear extrapolation', description: '' },
  71 => { type: %w[SUB], installation_type: 7, short_descriptor: 'Recalculation', description: '' },
  72 => { type: %w[SUB], installation_type: 7, short_descriptor: 'Revised Table', description: '' },
  73 => { type: %w[SUB], installation_type: 7, short_descriptor: 'Revised Algorithm', description: '' },
  74 => { type: %w[SUB], installation_type: 7, short_descriptor: 'Agreed', description: '' },
  75 => { type: %w[EST], installation_type: 7, short_descriptor: 'Existing Table', description: '' }
}.freeze
RECORD_INDICATORS =

As per AEMO NEM12 Specification www.aemo.com.au/Consultations/National-Electricity-Market/Open/~/media/ Files/Other/consultations/nem/Meter% 20Data% 20File% 20Format% 20Specification% 20 NEM12_NEM13/MDFF_Specification_NEM12_NEM13_Final_v102_clean.ashx

Since:

  • 0.1.4

{
  100 => 'Header',
  200 => 'NMI Data Details',
  300 => 'Interval Data',
  400 => 'Interval Event',
  500 => 'B2B Details',
  900 => 'End'
}.freeze
DATA_STREAM_SUFFIX =

Since:

  • 0.1.4

{
  # Averaged Data Streams
  'A' => { stream: 'Average', description: 'Import', units: 'kWh' },
  'D' => { stream: 'Average', description: 'Export', units: 'kWh' },
  'J' => { stream: 'Average', description: 'Import', units: 'kVArh' },
  'P' => { stream: 'Average', description: 'Export', units: 'kVArh' },
  'S' => { stream: 'Average', description: '',       units: 'kVAh' },
  # Master Data Streams
  'B' => { stream: 'Master',  description: 'Import', units: 'kWh' },
  'E' => { stream: 'Master',  description: 'Export', units: 'kWh' },
  'K' => { stream: 'Master',  description: 'Import', units: 'kVArh' },
  'Q' => { stream: 'Master',  description: 'Export', units: 'kVArh' },
  'T' => { stream: 'Master',  description: '',       units: 'kVAh' },
  'G' => { stream: 'Master',  description: 'Power Factor', units: 'PF' },
  'H' => { stream: 'Master',  description: 'Q Metering', units: 'Qh' },
  'M' => { stream: 'Master',  description: 'Par Metering', units: 'parh' },
  'V' => { stream: 'Master',  description: 'Volts or V2h or Amps or A2h', units: '' },
  # Check Meter Streams
  'C' => { stream: 'Check',  description: 'Import', units: 'kWh' },
  'F' => { stream: 'Check',  description: 'Export', units: 'kWh' },
  'L' => { stream: 'Check',  description: 'Import', units: 'kVArh' },
  'R' => { stream: 'Check',  description: 'Export', units: 'kVArh' },
  'U' => { stream: 'Check',  description: '',       units: 'kVAh' },
  'Y' => { stream: 'Check',  description: 'Q Metering',         units: 'Qh' },
  'W' => { stream: 'Check',  description: 'Par Metering Path',  units: '' },
  'Z' => { stream: 'Check',  description: 'Volts or V2h or Amps or A2h',  units: '' }
  # Net Meter Streams
  # AEMO: NOTE THAT D AND J ARE PREVIOUSLY DEFINED
  # 'D' => { stream: 'Net',    description: 'Net', units: 'kWh' },
  # 'J' => { stream: 'Net',    description: 'Net', units: 'kVArh' }
}.freeze
UOM =

Since:

  • 0.1.4

{
  'MWh' => { name: 'Megawatt Hour', multiplier: 1e6 },
  'kWh' => { name: 'Kilowatt Hour', multiplier: 1e3 },
  'Wh' => { name: 'Watt Hour', multiplier: 1 },
  'MW' => { name: 'Megawatt', multiplier: 1e6 },
  'kW' => { name: 'Kilowatt', multiplier: 1e3 },
  'W' => { name: 'Watt', multiplier: 1 },
  'MVArh' => { name: 'Megavolt Ampere Reactive Hour', multiplier: 1e6 },
  'kVArh' => { name: 'Kilovolt Ampere Reactive Hour', multiplier: 1e3 },
  'VArh' => { name: 'Volt Ampere Reactive Hour', multiplier: 1 },
  'MVAr' => { name: 'Megavolt Ampere Reactive', multiplier: 1e6 },
  'kVAr' => { name: 'Kilovolt Ampere Reactive', multiplier: 1e3 },
  'VAr' => { name: 'Volt Ampere Reactive', multiplier: 1 },
  'MVAh' => { name: 'Megavolt Ampere Hour', multiplier: 1e6 },
  'kVAh' => { name: 'Kilovolt Ampere Hour', multiplier: 1e3 },
  'VAh' => { name: 'Volt Ampere Hour', multiplier: 1 },
  'MVA' => { name: 'Megavolt Ampere', multiplier: 1e6 },
  'kVA' => { name: 'Kilovolt Ampere', multiplier: 1e3 },
  'VA' => { name: 'Volt Ampere', multiplier: 1 },
  'kV' => { name: 'Kilovolt', multiplier: 1e3 },
  'V' => { name: 'Volt', multiplier: 1 },
  'kA' => { name: 'Kiloampere', multiplier: 1e3 },
  'A' => { name: 'Ampere', multiplier: 1 },
  'pf' => { name: 'Power Factor', multiplier: 1 }
}.freeze
UOM_NON_SPEC_MAPPING =

Since:

  • 0.1.4

{
  'MWH' => 'MWh',
  'KWH' => 'kWh',
  'WH' => 'Wh',
  'MW' => 'MW',
  'KW' => 'kW',
  'W' => 'W',
  'MVARH' => 'MVArh',
  'KVARH' => 'kVArh',
  'VARH' => 'VArh',
  'MVAR' => 'MVAr',
  'KVAR' => 'kVAr',
  'VAR' => 'VAr',
  'MVAH' => 'MVAh',
  'KVAH' => 'kVAh',
  'VAH' => 'VAh',
  'MVA' => 'MVA',
  'KVA' => 'kVA',
  'VA' => 'VA',
  'KV' => 'kV',
  'V' => 'V',
  'KA' => 'kA',
  'A' => 'A',
  'PF' => 'pf'
}.freeze
TRANSACTION_CODE_FLAGS =

Since:

  • 0.1.4

{
  'A' => 'Alteration',
  'C' => 'Meter Reconfiguration',
  'G' => 'Re-energisation',
  'D' => 'De-energisation',
  'E' => 'Forward Estimate',
  'N' => 'Normal Read',
  'O' => 'Other',
  'S' => 'Special Read',
  'R' => 'Removal of Meter'
}.freeze

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(nmi, options: {}) ⇒ NEM12

Initialize a NEM12 file

Parameters:

  • nmi (string)
  • options (Hash) (defaults to: {})

Since:

  • 0.1.4



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# File 'lib/aemo/nem12.rb', line 133

def initialize(nmi, options: {})
  @nmi              = AEMO::NMI.new(nmi) unless nmi.empty?
  @data_details     = []
  @interval_data    = []
  @interval_events  = []
  options.each_key do |key|
    send 'key=', options[key]
  end
end

Instance Attribute Details

#data_details ⇒ Object (readonly)

Since:

  • 0.1.4



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# File 'lib/aemo/nem12.rb', line 29

def data_details
  @data_details
end

#file_contents ⇒ Object

Since:

  • 0.1.4



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# File 'lib/aemo/nem12.rb', line 30

def file_contents
  @file_contents
end

#header ⇒ Object

Since:

  • 0.1.4



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# File 'lib/aemo/nem12.rb', line 30

def header
  @header
end

#interval_data ⇒ Object (readonly)

Since:

  • 0.1.4



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# File 'lib/aemo/nem12.rb', line 29

def interval_data
  @interval_data
end

#interval_events ⇒ Object (readonly)

Since:

  • 0.1.4



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# File 'lib/aemo/nem12.rb', line 29

def interval_events
  @interval_events
end

#nmi ⇒ Object

Since:

  • 0.1.4



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# File 'lib/aemo/nem12.rb', line 30

def nmi
  @nmi
end

#nmi_data_details ⇒ Object

Since:

  • 0.1.4



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# File 'lib/aemo/nem12.rb', line 30

def nmi_data_details
  @nmi_data_details
end

Class Method Details

.default_nem12_100 ⇒ String

Default NEM12 100 row record.

Returns:

  • (String)

Since:

  • 0.1.4



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# File 'lib/aemo/nem12.rb', line 104

def default_nem12_100 # rubocop:disable Naming/VariableNumber
  timestamp = AEMO::Time.format_timestamp12(::Time.now)

  "100,NEM12,#{timestamp},ENOSI,ENOSI#{CRLF}"
end

.default_nem12_900 ⇒ String

Default NEM12 100 row record.

Returns:

  • (String)

Since:

  • 0.1.4



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# File 'lib/aemo/nem12.rb', line 113

def default_nem12_900 # rubocop:disable Naming/VariableNumber
  "900#{CRLF}"
end

.parse_nem12(contents, strict: true) ⇒ Array<AEMO::NEM12>

Returns An array of NEM12 objects.

Parameters:

  • contents (String) —

    the path to a file

  • strict (Boolean) (defaults to: true)

Returns:

Since:

  • 0.1.4



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# File 'lib/aemo/nem12.rb', line 43

def parse_nem12(contents, strict: true)
  file_contents = contents.tr("\r", "\n").tr("\n\n", "\n").split("\n").delete_if(&:empty?)
  # nothing to further process
  return [] if file_contents.empty?

  unless file_contents.first.parse_csv[0] == '100'
    raise ArgumentError,
          'First row should be have a RecordIndicator of 100 and be of type Header Record'
  end

  nem12s = []
  header = AEMO::NEM12.parse_nem12_100(file_contents.first, strict:)
  file_contents.each do |line|
    case line[0..2].to_i
    when 200
      nem12s << AEMO::NEM12.new('')
      nem12s.last.header = header
      nem12s.last.parse_nem12_200(line, strict:)
    when 300
      nem12s.last.parse_nem12_300(line, strict:)
    when 400
      nem12s.last.parse_nem12_400(line, strict:)
      # when 500
      #   nem12s.last.parse_nem12_500(line, strict: strict)
      # when 900
      #   nem12s.last.parse_nem12_900(line, strict: strict)
    end
  end
  # Return the array of NEM12 groups
  nem12s
end

.parse_nem12_100(line, strict: true) ⇒ Hash

Parses the header record

Parameters:

  • line (String) —

    A single line in string format

  • strict (Boolean) (defaults to: true)

Returns:

  • (Hash) —

    the line parsed into a hash of information

Raises:

  • (ArgumentError)

Since:

  • 0.1.4



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# File 'lib/aemo/nem12.rb', line 79

def parse_nem12_100(line, strict: true) # rubocop:disable Naming/VariableNumber
  csv = line.parse_csv

  raise ArgumentError, 'RecordIndicator is not 100'     if csv[0] != '100'
  raise ArgumentError, 'VersionHeader is not NEM12'     if csv[1] != 'NEM12'

  raise ArgumentError, 'Time is not valid' if strict && !AEMO::Time.valid_timestamp12?(csv[2])

  raise ArgumentError, 'FromParticipant is not valid'  if csv[3].match(/.{1,10}/).nil?
  raise ArgumentError, 'ToParticipant is not valid'    if csv[4].match(/.{1,10}/).nil?

  datetime = strict && AEMO::Time.valid_timestamp12?(csv[2]) ? AEMO::Time.parse_timestamp12(csv[2]) : nil

  {
    record_indicator: csv[0].to_i,
    version_header: csv[1],
    datetime:,
    from_participant: csv[3],
    to_participant: csv[4]
  }
end

.parse_nem12_file(path_to_file, strict: true) ⇒ Array<AEMO::NEM12>

Returns NEM12 object.

Parameters:

  • path_to_file (String) —

    the path to a file

Returns:

Since:

  • 0.1.4



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# File 'lib/aemo/nem12.rb', line 36

def parse_nem12_file(path_to_file, strict: true)
  parse_nem12(File.read(path_to_file), strict:)
end

.to_nem12_csv(nem12s:) ⇒ String

For a list of nem12s, turn into a single NEM12 CSV string with default header row.

Parameters:

Returns:

  • (String)

Since:

  • 0.1.4



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# File 'lib/aemo/nem12.rb', line 121

def to_nem12_csv(nem12s:)
  [
    default_nem12_100,
    nem12s.map(&:to_nem12_200_csv),
    default_nem12_900
  ].flatten.join
end

Instance Method Details

#flag_to_s(flag) ⇒ nil, String

Turns the flag to a string

Parameters:

  • flag (Hash) —

    the object of a flag

Returns:

  • (nil, String) —

    a hyphenated string for the flag or nil

Since:

  • 0.1.4



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# File 'lib/aemo/nem12.rb', line 368

def flag_to_s(flag)
  flag_to_s = []
  unless flag.nil?
    flag_to_s << QUALITY_FLAGS[flag[:quality_flag]]                   unless QUALITY_FLAGS[flag[:quality_flag]].nil?
    flag_to_s << METHOD_FLAGS[flag[:method_flag]][:short_descriptor]  unless METHOD_FLAGS[flag[:method_flag]].nil?
    flag_to_s << REASON_CODES[flag[:reason_code]]                     unless REASON_CODES[flag[:reason_code]].nil?
  end
  flag_to_s.empty? ? nil : flag_to_s.join(' - ')
end

#nmi_identifier ⇒ Object

Returns the NMI Identifier or nil

Since:

  • 0.1.4



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# File 'lib/aemo/nem12.rb', line 144

def nmi_identifier
  @nmi&.nmi
end

#parse_nem12_200(line, strict: true) ⇒ Hash

Parses the NMI Data Details

Parameters:

  • line (String) —

    A single line in string format

  • strict (Boolean) (defaults to: true)

Returns:

  • (Hash) —

    the line parsed into a hash of information

Raises:

  • (ArgumentError)

Since:

  • 0.1.4



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# File 'lib/aemo/nem12.rb', line 152

def parse_nem12_200(line, strict: true) # rubocop:disable Naming/VariableNumber
  csv = line.parse_csv

  raise ArgumentError, 'RecordIndicator is not 200'     if csv[0] != '200'
  raise ArgumentError, 'NMI is not valid'               unless AEMO::NMI.valid_nmi?(csv[1])

  if strict && (csv[2].nil? || csv[2].match(/.{1,240}/).nil?)
    raise ArgumentError,
          'NMIConfiguration is not valid'
  end

  raise ArgumentError, 'RegisterID is not valid' if !csv[3].nil? && csv[3].match(/.{1,10}/).nil?
  raise ArgumentError, 'NMISuffix is not valid' if csv[4].nil? || csv[4].match(/[A-HJ-NP-Z][1-9A-HJ-NP-Z]/).nil?

  if !csv[5].nil? && !csv[5].empty? && !csv[5].match(/^\s*$/) && csv[5].match(/[A-Z0-9]{2}/).nil?
    raise ArgumentError,
          'MDMDataStreamIdentifier is not valid'
  end

  if !csv[6].nil? && !csv[6].empty? && !csv[6].match(/^\s*$/) && csv[6].match(/[A-Z0-9]{2}/).nil?
    raise ArgumentError,
          'MeterSerialNumber is not valid'
  end

  raise ArgumentError, 'UOM is not valid' if csv[7].nil? || csv[7].upcase.match(/[A-Z0-9]{2}/).nil?
  raise ArgumentError, 'UOM is not valid'               unless UOM.keys.map(&:upcase).include?(csv[7].upcase)
  raise ArgumentError, 'IntervalLength is not valid'    unless %w[1 5 10 15 30].include?(csv[8])

  # raise ArgumentError, 'NextScheduledReadDate is not valid' if !AEMO::Time.valid_timestamp8?(csv[9])

  @nmi = AEMO::NMI.new(csv[1])

  # Push onto the stack
  @data_details << {
    record_indicator: csv[0].to_i,
    nmi: csv[1],
    nmi_configuration: csv[2],
    register_id: csv[3],
    nmi_suffix: csv[4],
    mdm_data_streaming_identifier: csv[5],
    meter_serial_number: csv[6],
    uom: csv[7].upcase,
    interval_length: csv[8].to_i,
    next_scheduled_read_date: csv[9]
  }
end

#parse_nem12_300(line, strict: true) ⇒ Array of hashes

Returns the line parsed into a hash of information.

Parameters:

  • line (String) —

    A single line in string format

  • strict (Boolean) (defaults to: true)

Returns:

  • (Array of hashes) —

    the line parsed into a hash of information

Raises:

  • (TypeError)

Since:

  • 0.1.4



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# File 'lib/aemo/nem12.rb', line 202

def parse_nem12_300(line, strict: true) # rubocop:disable Naming/VariableNumber
  csv = line.parse_csv

  if @data_details.last.nil? || @data_details.last[:interval_length].nil?
    raise TypeError,
          'Expected NMI Data Details to exist with IntervalLength specified'
  end

  # ref: AEMO's MDFF Spec NEM12 and NEM13 v1.01 (2014-05-14)
  record_fixed_fields = %w[RecordIndicator IntervalDate QualityMethod ReasonCode ReasonDescription UpdateDatetime MSATSLoadDateTime]
  number_of_intervals = 1440 / @data_details.last[:interval_length]

  raise TypeError, 'Invalid record length' if csv.length != record_fixed_fields.length + number_of_intervals

  intervals_offset = number_of_intervals + 2

  raise ArgumentError, 'RecordIndicator is not 300' if csv[0] != '300'
  raise ArgumentError, 'IntervalDate is not valid' unless AEMO::Time.valid_timestamp8?(csv[1])

  (2..(number_of_intervals + 1)).each do |i|
    raise ArgumentError, "Interval number #{i - 1} is not valid" if csv[i].nil? || csv[i].match(/\d+(\.\d+)?/).nil?
  end

  raise ArgumentError, 'QualityMethod is not valid' unless csv[intervals_offset + 0].instance_of?(String)
  raise ArgumentError, 'QualityMethod does not have valid length' unless [1, 3].include?(csv[intervals_offset + 0].length)

  unless QUALITY_FLAGS.keys.include?(csv[intervals_offset + 0][0])
    raise ArgumentError,
          'QualityMethod does not have valid QualityFlag'
  end

  unless %w[A N V].include?(csv[intervals_offset + 0][0])
    raise ArgumentError, 'QualityMethod does not have valid length' unless csv[intervals_offset + 0].length == 3

    unless METHOD_FLAGS.keys.include?(csv[intervals_offset + 0][1..2].to_i)
      raise ArgumentError,
            'QualityMethod does not have valid MethodFlag'
    end
  end

  raise ArgumentError, 'ReasonCode is not valid' if !%w[A N E].include?(csv[intervals_offset + 0][0]) && !REASON_CODES.keys.include?(csv[intervals_offset + 1].to_i)

  if !csv[intervals_offset + 1].nil? && csv[intervals_offset + 1].to_i.zero? && !(csv[intervals_offset + 2].instance_of?(String) && !csv[intervals_offset + 2].empty?)
    raise ArgumentError,
          'ReasonDescription is not valid'
  end

  if strict
    unless AEMO::Time.valid_timestamp14?(csv[intervals_offset + 3])
      raise ArgumentError,
            'UpdateDateTime is not valid'
    end

    if !csv[intervals_offset + 4].blank? && !AEMO::Time.valid_timestamp14?(csv[intervals_offset + 4])
      raise ArgumentError,
            'MSATSLoadDateTime is not valid'
    end
  end

  # Deal with flags if necessary
  flag = nil
  # Based on QualityMethod and ReasonCode
  if csv[intervals_offset + 0].length == 3 || !csv[intervals_offset + 1].nil?
    flag ||= { quality_flag: nil, method_flag: nil, reason_code: nil }
    if csv[intervals_offset + 0].length == 3
      flag[:quality_flag] = csv[intervals_offset + 0][0]
      flag[:method_flag] = csv[intervals_offset + 0][1, 2].to_i
    end
    flag[:reason_code] = csv[intervals_offset + 1].to_i unless csv[intervals_offset + 1].nil?
  end

  # Deal with updated_at & msats_load_at
  updated_at = nil
  msats_load_at = nil

  if strict
    updated_at = AEMO::Time.parse_timestamp14(csv[intervals_offset + 3]) unless csv[intervals_offset + 3].blank?
    msats_load_at = AEMO::Time.parse_timestamp14(csv[intervals_offset + 4]) unless csv[intervals_offset + 4].blank?
  end

  base_interval = {
    data_details: @data_details.last,
    datetime: AEMO::Time.parse_timestamp8(csv[1]),
    value: nil,
    flag:,
    updated_at:,
    msats_load_at:
  }

  intervals = []
  (2..(number_of_intervals + 1)).each do |i|
    interval = base_interval.dup
    interval[:datetime] += (i - 1) * interval[:data_details][:interval_length] * 60
    interval[:value] = csv[i].to_f
    intervals << interval
  end
  @interval_data += intervals
  intervals
end

#parse_nem12_400(line, strict: true) ⇒ Hash

Returns the line parsed into a hash of information.

Parameters:

  • line (String) —

    A single line in string format

  • strict (Boolean) (defaults to: true)

Returns:

  • (Hash) —

    the line parsed into a hash of information

Raises:

  • (ArgumentError)

Since:

  • 0.1.4



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# File 'lib/aemo/nem12.rb', line 305

def parse_nem12_400(line, strict: true) # rubocop:disable Lint/UnusedMethodArgument,Naming/VariableNumber
  csv = line.parse_csv
  raise ArgumentError, 'RecordIndicator is not 400'     if csv[0] != '400'
  raise ArgumentError, 'StartInterval is not valid'     if csv[1].nil? || csv[1].match(/^\d+$/).nil?
  raise ArgumentError, 'EndInterval is not valid'       if csv[2].nil? || csv[2].match(/^\d+$/).nil?

  if csv[3].nil? || csv[3].match(/^([AN]|([AEFNSV]\d{2}))$/).nil?
    raise ArgumentError,
          'QualityMethod is not valid'
  end

  # raise ArgumentError, 'ReasonCode is not valid'        if (csv[4].nil? && csv[3].match(/^ANE/)) || csv[4].match(/^\d{3}?$/) || csv[3].match(/^ANE/)
  # raise ArgumentError, 'ReasonDescription is not valid' if (csv[4].nil? && csv[3].match(/^ANE/)) || ( csv[5].match(/^$/) && csv[4].match(/^0$/) )

  interval_events = []

  # Only need to update flags for EFSV
  unless %w[A N].include? csv[3]
    number_of_intervals = 1440 / @data_details.last[:interval_length]
    interval_start_point = @interval_data.length - number_of_intervals

    # For each of these
    base_interval_event = { datetime: nil, quality_method: csv[3], reason_code: csv[4]&.to_i,
                            reason_description: csv[5] }

    # Interval Numbers are 1-indexed
    ((csv[1].to_i)..(csv[2].to_i)).each do |i|
      interval_event = base_interval_event.dup
      interval_event[:datetime] = @interval_data[interval_start_point + (i - 1)][:datetime]
      interval_events << interval_event
      # Create flag details
      flag ||= { quality_flag: nil, method_flag: nil, reason_code: nil }
      unless interval_event[:quality_method].nil?
        flag[:quality_flag] = interval_event[:quality_method][0]
        flag[:method_flag] = interval_event[:quality_method][1, 2].to_i
      end
      flag[:reason_code] = interval_event[:reason_code] unless interval_event[:reason_code].nil?
      # Update with flag details
      @interval_data[interval_start_point + (i - 1)][:flag] = flag
    end
    @interval_events += interval_events
  end
  interval_events
end

#parse_nem12_500(_line, strict: true) ⇒ Hash

What even is a 500 row?

Parameters:

  • line (String) —

    A single line in string format

  • strict (Boolean) (defaults to: true)

Returns:

  • (Hash) —

    the line parsed into a hash of information

Since:

  • 0.1.4



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# File 'lib/aemo/nem12.rb', line 355

def parse_nem12_500(_line, strict: true); end

#parse_nem12_900(_line, strict: true) ⇒ Hash

900 is the last row a NEM12 should see…

Parameters:

  • line (String) —

    A single line in string format

  • strict (Boolean) (defaults to: true)

Returns:

  • (Hash) —

    the line parsed into a hash of information

Since:

  • 0.1.4



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# File 'lib/aemo/nem12.rb', line 362

def parse_nem12_900(_line, strict: true); end

#to_a ⇒ Array

Returns array of a NEM12 file a given Meter + Data Stream for easy reading.

Returns:

  • (Array) —

    array of a NEM12 file a given Meter + Data Stream for easy reading

Since:

  • 0.1.4



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# File 'lib/aemo/nem12.rb', line 379

def to_a
  @interval_data.map do |d|
    [
      d[:data_details][:nmi],
      d[:data_details][:nmi_suffix].upcase,
      d[:data_details][:uom],
      d[:datetime],
      d[:value],
      flag_to_s(d[:flag])
    ]
  end
end

#to_csv ⇒ Array

Returns CSV of a NEM12 file a given Meter + Data Stream for easy reading.

Returns:

  • (Array) —

    CSV of a NEM12 file a given Meter + Data Stream for easy reading

Since:

  • 0.1.4



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# File 'lib/aemo/nem12.rb', line 393

def to_csv
  headers = %w[nmi suffix units datetime value flags]
  ([headers] + to_a.map do |row|
    row[3] = row[3].strftime('%Y%m%d%TH%M%S%z')
    row
  end).map do |row|
    row.join(', ')
  end.join("\n")
end

#to_nem12_100_csv ⇒ String

Output the AEMO::NEM12 to a valid NEM12 100 row CSV string.

Returns:

  • (String)

Since:

  • 0.1.4



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# File 'lib/aemo/nem12.rb', line 417

def to_nem12_100_csv
  return self.class.default_nem12_100 if header.nil?

  [
    header[:record_indicator],
    header[:version_header],
    AEMO::Time.format_timestamp12(header[:datetime]),
    header[:from_participant],
    header[:to_participant]
  ].join(CSV_SEPARATOR) + CRLF
end

#to_nem12_200_csv ⇒ String

Output the AEMO::NEM12 to a valid NEM12 200 row CSV string.

Returns:

  • (String)

Since:

  • 0.1.4



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# File 'lib/aemo/nem12.rb', line 432

def to_nem12_200_csv
  return nil if data_details.length != 1

  data_detail = data_details.first

  [
    [
      data_detail[:record_indicator],
      data_detail[:nmi],
      data_detail[:nmi_configuration],
      data_detail[:register_id],
      data_detail[:nmi_suffix],
      data_detail[:mdm_data_streaming_identifier],
      data_detail[:meter_serial_number],
      data_detail[:uom],
      data_detail[:interval_length],
      data_detail[:next_scheduled_read_date] # NOTE: this is not turned into a timestamp.
    ].join(CSV_SEPARATOR),
    to_nem12_300_csv
  ].flatten.join(CRLF)
end

#to_nem12_300_csv ⇒ String

Output the AEMO::NEM12 to a valid NEM12 300 row CSV string.

Returns:

  • (String)

Since:

  • 0.1.4



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# File 'lib/aemo/nem12.rb', line 457

def to_nem12_300_csv
  lines = []

  daily_datas = interval_data.group_by do |x|
    AEMO::Time.format_timestamp8(x[:datetime] - 1.second)
  end
  daily_datas.keys.sort.each do |key|
    daily_data = daily_datas[key].sort_by { |x| x[:datetime] }
    has_flags = daily_data.map { |x| x[:flag]&.any? }.uniq.include?(true)

    lines << [
      '300',
      key,
      daily_data.map { |x| x[:value] },
      has_flags ? 'V' : 'A',
      '',
      '',
      daily_data.first[:updated_at] ? AEMO::Time.format_timestamp14(daily_data.first[:updated_at]) : nil,
      daily_data.first[:msats_load_at] ? AEMO::Time.format_timestamp14(daily_data.first[:msats_load_at]) : nil
    ].flatten.join(CSV_SEPARATOR)

    next unless has_flags

    lines << to_nem12_400_csv(daily_data:)
  end

  lines.join(CRLF) + CRLF
end

#to_nem12_400_csv(daily_data:) ⇒ String

Output the AEMO::NEM12 to a valid NEM12 400 row CSV string.

Parameters:

  • daily_data (Array<Hash>)

Returns:

  • (String)

Since:

  • 0.1.4



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# File 'lib/aemo/nem12.rb', line 490

def to_nem12_400_csv(daily_data:)
  daily_data.sort_by! { |x| x[:datetime] }

  nem12_400_rows = []

  daily_data.each_with_index do |x, i|
    nem12_400_rows << { flag: x[:flag], start_index: i + 1, finish_index: i + 1 } if nem12_400_rows.empty?

    if nem12_400_rows.last[:flag] == x[:flag]
      nem12_400_rows.last[:finish_index] = i + 1
      next
    end

    nem12_400_rows << { flag: x[:flag], start_index: i + 1, finish_index: i + 1 }
  end

  nem12_400_rows.map do |row|
    [
      '400',
      row[:start_index],
      row[:finish_index],
      row[:flag].nil? ? 'A' : "#{row[:flag][:quality_flag]}#{row[:flag][:method_flag]}",
      row[:flag].nil? ? '' : row[:flag][:reason_code],
      ''
    ].join(CSV_SEPARATOR)
  end.join(CRLF)
end

#to_nem12_900_csv ⇒ String

Output the AEMO::NEM12 to a valid NEM12 900 row CSV string.

Returns:

  • (String)

Since:

  • 0.1.4



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# File 'lib/aemo/nem12.rb', line 521

def to_nem12_900_csv
  self.class.default_nem12_900
end

#to_nem12_csv ⇒ String

Output the AEMO::NEM12 to a valid NEM12 CSV string.

Returns:

  • (String)

Since:

  • 0.1.4



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# File 'lib/aemo/nem12.rb', line 406

def to_nem12_csv
  [
    to_nem12_100_csv,
    to_nem12_200_csv,
    to_nem12_900_csv
  ].flatten.join
end