Class: Twb::Util::CSVRecordsAtomizer

Inherits:
Object
  • Object
show all
Includes:
TabTool
Defined in:
lib/twb/util/csvrecordsatomizer.rb

Constant Summary collapse

@@ttlogfile = 
'AtomizeCSVRecords.ttlog'
@@csvFileName = 
'AtomizedCSVRecords.csv'
@@atomFields = 
['Record #', 'Field Name', 'Field Value']

Instance Attribute Summary collapse

Attributes included from TabTool

#alerts, #docDir, #docfiles, #funcdoc, #id, #licensed, #logfilename, #logger, #loglevel, #properties, #type, #uuid

Instance Method Summary collapse

Methods included from TabTool

#addDocFile, #alert, #closeDocFiles, #config, #docFile, #docFileMaxNameLen, #docfilesdoc, #docfilesdocto_s, #emit, #emitCSV, #finis, #hasConfig, #init, #initCSV, #initDocDir, #initLogger, #license=, #licensed?, #loadConfig

Constructor Details

#initialize(**args) ⇒ CSVRecordsAtomizer

Returns a new instance of CSVRecordsAtomizer.



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# File 'lib/twb/util/csvrecordsatomizer.rb', line 32

def initialize(**args)
    @args      = args
    @ttdocdir  = @args[:ttdocdir]
    @csvAdd    = @args[:csvMode] == :add
    @csvMode   = @csvAdd ? 'a' : 'w'
    init
    @funcdoc   = {:class=>self.class, :blurb=>'Analyze Calculated Fields', :description=>'Calculated fields can be complex, this tool provides robust coverage.'}
    # --
    @executed  = false
end

Instance Attribute Details

#ttdocdir ⇒ Object

Returns the value of attribute ttdocdir.



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# File 'lib/twb/util/csvrecordsatomizer.rb', line 26

def ttdocdir
  @ttdocdir
end

Instance Method Details

#processFile(fileName) ⇒ Object 



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# File 'lib/twb/util/csvrecordsatomizer.rb', line 43

def processFile fileName
    emit true, "#{self.class} - processFile: #{fileName} :: #{fileName.class}"
      # --
    srcFields = Set.new CSV.open(fileName, 'r:bom|utf-8', &:readline)
    emit true, "\t Inspecting these #{srcFields.length} #{srcFields.class} fields: "
    keyFields     = loadFields(fileName, :keyfields)
    excludeFields = loadFields(fileName, :excludefields)
    recordFields  = (srcFields - keyFields - excludeFields).to_a
    emit true, "\t       Using these key fields: #{keyFields.inspect}"
    emit true, "\t       Excluding these fields: #{excludeFields.inspect}"
    emit true, "\t       Recording these fields: #{recordFields.inspect}"
    # --
    atomizedFields  = keyFields.to_a + @@atomFields
    dataBaseName    = File.basename(fileName, ".*")
    atomizedCSVFile = "#{dataBaseName}.Atomized.csv" 
    atomizedCSVFile = CSV.open(atomizedCSVFile,'w') 
    atomizedCSVFile << keyFields.to_a + @@atomFields
    # --
    @recNum = 0
    CSV.open(fileName, 'r:bom|utf-8', headers: true) do |csv|
      csv.each do |row|
        @recNum += 1
        atomRec = []
        keyFields.each do |kf|
          atomRec << row.fetch(kf)
        end
        atomRec << @recNum
        recordFields.each do |rf|
          atomizedCSVFile << atomRec + [rf, row.fetch(rf)] 
        end
      end
    end
end