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https://github.com/gwenhael-le-moine/ledgerrb.git
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implement memoization
Signed-off-by: Gwenhael Le Moine <gwenhael.le.moine@gmail.com>
This commit is contained in:
Gwenhael Le Moine
parent
657d4dd05e
commit
1f3c0d9e14
1 changed files with 146 additions and 135 deletions
281
lib/ledger.rb
281
lib/ledger.rb
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@ -4,152 +4,163 @@ require 'csv'
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# Ruby wrapper module for calling ledger
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module Ledger
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module_function
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module_function
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@binary = 'ledger'
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@file = ENV[ 'LEDGER_FILE' ]
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@binary = 'ledger'
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@file = ENV[ 'LEDGER_FILE' ]
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@last_mtime = Pathname.new(@file).mtime
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def run( options, command = '', command_parameters = '' )
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STDERR.puts "#{@binary} -f #{@file} #{options} #{command} #{command_parameters}"
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`#{@binary} -f #{@file} #{options} #{command} #{command_parameters}`
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end
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@cache = Hash.new
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def version
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run '--version'
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end
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def run( options, command = '', command_parameters = '' )
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command = "#{@binary} -f #{@file} #{options} #{command} #{command_parameters}"
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def accounts( depth = 9999 )
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accounts = run( '', 'accounts' )
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.split( "\n" )
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.map do |a|
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a.split( ':' )
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.each_slice( depth )
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.to_a.first
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end.uniq
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mtime = Pathname.new(@file).mtime
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if @last_mtime < mtime || !@cache.has_key?( command )
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@last_mtime = mtime
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accounts.map(&:length).max.times do |i|
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accounts += accounts.map { |acc| acc.first( i ) }
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@cache[ command ] = `#{command}`
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end
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@cache[ command ]
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end
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accounts
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.uniq
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.sort
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.reject { |a| a.empty? }
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.sort_by { |a| a.length }
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end
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def dates_salaries( category = 'salaire' )
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CSV.parse( run( '', 'csv', category ) )
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.map do |row|
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Date.parse row[ 0 ]
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end
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.uniq
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end
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def register( period = nil, categories = '' )
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period = period.nil? ? '' : "-p '#{period}'"
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CSV.parse( run( "--no-revalued --exchange '#{CURRENCY}' #{period}", 'csv', categories ) )
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.map do |row|
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{ date: row[ 0 ],
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payee: row[ 2 ],
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account: row[ 3 ],
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amount: row[ 5 ],
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currency: row[ 4 ] }
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end
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end
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def balance( cleared = false, depth = nil, period = nil, categories = '' )
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period = period.nil? ? '' : "-p '#{period}'"
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depth = depth.nil? ? '' : "--depth #{depth}"
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operation = cleared ? 'cleared' : 'balance'
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run( "--flat --no-total --exchange '#{CURRENCY}' #{period} #{depth}", operation, categories )
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.split( "\n" )
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.map do |line|
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line_array = line.split( "#{CURRENCY}" )
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{ account: line_array[ 1 ].strip,
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amount: line_array[ 0 ].tr( SEPARATOR, '.' ).to_f }
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end
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end
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# def int_treefied_balance( node )
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# return { name: node[:account], size: node[:amount] } unless node[:account].include( ':' )
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# { name: node[:account].split(':').first,
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# children: int_treefied_balance( ... ) }
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# end
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# def treefeid_balance( cleared = false, depth = nil, period = nil, categories = '' )
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# bal = balance( cleared, depth, period, categories )
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# end
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def cleared
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run( "--flat --no-total --exchange '#{CURRENCY}'", 'cleared', 'Assets Equity' )
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.split( "\n" )
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.map do |row|
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fields = row.match( /\s*(\S+ €)\s*(\S+ €)\s*(\S+)\s*(\S+)/ )
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{ account: fields[ 4 ],
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amount: { cleared: fields[ 2 ],
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all: fields[ 1 ] } } unless fields.nil?
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end
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end
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def budget( period = nil, categories = '' )
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period = period.nil? ? '' : "-p '#{period}'"
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budgeted = run( "--flat --no-total --budget --exchange '#{CURRENCY}' #{period}", 'budget', categories )
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.lines
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.map do |line|
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ary = line.split
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{ currency: ary[1],
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amount: ary[0].tr( SEPARATOR, '.' ).to_f,
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budget: ary[2].tr( SEPARATOR, '.' ).to_f,
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percentage: ary.last( 2 ).first.gsub( /%/, '' ).tr( SEPARATOR, '.' ).to_f,
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account: ary.last }
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def version
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run '--version'
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end
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unbudgeted_amount = run( "--flat --no-total --unbudgeted -Mn --exchange '#{CURRENCY}' #{period}", 'register', categories )
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.lines
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.map do |line|
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line.split[4].tr( SEPARATOR, '.' ).to_f
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end
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.reduce( :+ )
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def accounts( depth = 9999 )
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accounts = run( '', 'accounts' )
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.split( "\n" )
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.map do |a|
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a.split( ':' )
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.each_slice( depth )
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.to_a.first
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end.uniq
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budget = budgeted.map { |account| account[:budget] }.reduce( :+ )
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income = run( "--flat --no-total --unbudgeted -Mn --exchange '#{CURRENCY}' #{period}", 'register', 'Income' )
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.lines
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.last
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.split[4]
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.tr( SEPARATOR, '.' )
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.to_f * -1
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disposable_income = income - budget
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accounts.map(&:length).max.times do |i|
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accounts += accounts.map { |acc| acc.first( i ) }
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end
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budgeted << { currency: CURRENCY,
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amount: unbudgeted_amount,
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budget: disposable_income,
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percentage: (unbudgeted_amount / disposable_income) * 100,
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account: '(unbudgeted)' }
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end
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def graph_values( period = nil, categories = [ 'Expenses' ] )
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period = period.nil? ? '' : "-p '#{period}'"
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result = {}
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categories.each do |category|
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result[ category ] = CSV
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.parse( run( "-MAn --exchange '#{CURRENCY}' #{period}", 'csv --no-revalued', category ) )
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.map do |row|
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{ date: row[ 0 ],
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amount: row[ 5 ],
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currency: row[ 4 ] }
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end
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accounts
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.uniq
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.sort
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.reject { |a| a.empty? }
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.sort_by { |a| a.length }
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end
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result
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end
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def dates_salaries( category = 'salaire' )
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CSV.parse( run( '', 'csv', category ) )
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.map do |row|
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Date.parse row[ 0 ]
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end
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.uniq
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end
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def register( period = nil, categories = '' )
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period = period.nil? ? '' : "-p '#{period}'"
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CSV.parse( run( "--no-revalued --exchange '#{CURRENCY}' #{period}", 'csv', categories ) )
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.map do |row|
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{ date: row[ 0 ],
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payee: row[ 2 ],
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account: row[ 3 ],
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amount: row[ 5 ],
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currency: row[ 4 ] }
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end
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end
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def balance( cleared = false, depth = nil, period = nil, categories = '' )
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period = period.nil? ? '' : "-p '#{period}'"
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depth = depth.nil? ? '' : "--depth #{depth}"
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operation = cleared ? 'cleared' : 'balance'
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run( "--flat --no-total --exchange '#{CURRENCY}' #{period} #{depth}", operation, categories )
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.split( "\n" )
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.map do |line|
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line_array = line.split( "#{CURRENCY}" )
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{ account: line_array[ 1 ].strip,
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amount: line_array[ 0 ].tr( SEPARATOR, '.' ).to_f }
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end
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end
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# def int_treefied_balance( node )
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# return { name: node[:account], size: node[:amount] } unless node[:account].include( ':' )
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# { name: node[:account].split(':').first,
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# children: int_treefied_balance( ... ) }
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# end
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# def treefeid_balance( cleared = false, depth = nil, period = nil, categories = '' )
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# bal = balance( cleared, depth, period, categories )
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# end
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def cleared
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run( "--flat --no-total --exchange '#{CURRENCY}'", 'cleared', 'Assets Equity' )
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.split( "\n" )
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.map do |row|
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fields = row.match( /\s*(\S+ €)\s*(\S+ €)\s*(\S+)\s*(\S+)/ )
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{ account: fields[ 4 ],
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amount: { cleared: fields[ 2 ],
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all: fields[ 1 ] } } unless fields.nil?
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end
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end
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def budget( period = nil, categories = '' )
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period = period.nil? ? '' : "-p '#{period}'"
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budgeted = run( "--flat --no-total --budget --exchange '#{CURRENCY}' #{period}", 'budget', categories )
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.lines
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.map do |line|
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ary = line.split
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{ currency: ary[1],
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amount: ary[0].tr( SEPARATOR, '.' ).to_f,
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budget: ary[2].tr( SEPARATOR, '.' ).to_f,
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percentage: ary.last( 2 ).first.gsub( /%/, '' ).tr( SEPARATOR, '.' ).to_f,
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account: ary.last }
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end
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unbudgeted_amount = run( "--flat --no-total --unbudgeted -Mn --exchange '#{CURRENCY}' #{period}", 'register', categories )
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.lines
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.map do |line|
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line.split[4].tr( SEPARATOR, '.' ).to_f
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end
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.reduce( :+ )
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budget = budgeted.map { |account| account[:budget] }.reduce( :+ )
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income = run( "--flat --no-total --unbudgeted -Mn --exchange '#{CURRENCY}' #{period}", 'register', 'Income' )
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.lines
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.last
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.split[4]
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.tr( SEPARATOR, '.' )
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.to_f * -1
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disposable_income = income - budget
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budgeted << { currency: CURRENCY,
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amount: unbudgeted_amount,
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budget: disposable_income,
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percentage: (unbudgeted_amount / disposable_income) * 100,
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account: '(unbudgeted)' }
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end
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def graph_values( period = nil, categories = [ 'Expenses' ] )
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period = period.nil? ? '' : "-p '#{period}'"
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result = {}
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categories.each do |category|
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result[ category ] = CSV
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.parse( run( "-MAn --exchange '#{CURRENCY}' #{period}", 'csv --no-revalued', category ) )
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.map do |row|
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{ date: row[ 0 ],
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amount: row[ 5 ],
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currency: row[ 4 ] }
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end
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end
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result
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end
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end
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