Class: Shiftzilla::Source

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(qid, qinfo) ⇒ Source

Returns a new instance of Source.



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# File 'lib/shiftzilla/source.rb', line 6

def initialize(qid,qinfo)
  @id           = qid.to_sym
  @search       = qinfo['search']
  @sharer       = qinfo['sharer']
  @table        = qinfo['table']
  @external_sub = qinfo['external_sub']
  @fields       = qinfo['fields'].map{ |f| f.to_sym }
  @external_bugs_idx = @fields.index(:external_bugs)
end

Instance Attribute Details

#id ⇒ Object (readonly)

Returns the value of attribute id.



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# File 'lib/shiftzilla/source.rb', line 5

def id
  @id
end

#table ⇒ Object (readonly)

Returns the value of attribute table.



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# File 'lib/shiftzilla/source.rb', line 5

def table
  @table
end

Instance Method Details

#has_records_for_today? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/shiftzilla/source.rb', line 16

def has_records_for_today?
  count = 0
  dbh.execute("SELECT count(*) FROM #{@table} WHERE Snapshot = date('now','localtime')") do |row|
    count = row[0].to_i
  end
  return count > 0
end

#load_records(options) ⇒ Object 



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# File 'lib/shiftzilla/source.rb', line 24

def load_records(options)
  output_format = @fields.map{ |fld| "%{#{fld.to_s}}" }.join("\x1F")
  table_fields  = @fields.map{ |fld| "\"#{field_map[fld]}\"" }.join(',')
  insert_frame  = @fields.map{ |fld| '?' }.join(', ')
  # Also grabs the flags to check for the blocker flag, this is dropped before inserting into the db
  bz_command    = "bugzilla query --savedsearch #{@search} --savedsearch-sharer-id=#{@sharer} --outputformat='#{output_format}\x1F%{flags}flags||EOR'"

  bz_csv        = `#{bz_command}`
  retrieved     = []
  bz_csv.split("||EOR\n").each do |row|
    values = row.split("\x1F").map{ |v| v.strip }

    # Validate input
    next unless values.length > 0
    begin
      next unless Integer(values[0]) > 0
    rescue
      puts "Error: `#{values[0]}` is not a valid Bug ID."
      next
    end

    if not @external_bugs_idx.nil?
      if not @external_sub.nil? and not values[@external_bugs_idx].nil? and values[@external_bugs_idx].include?(@external_sub)
        values[@external_bugs_idx] = 1
      else
        values[@external_bugs_idx] = 0
      end
    end

    # Check for blocker+ flag and stub it as a keyword
    if not values[-1].nil? and values[-1].include?("blocker+")
      keyword_idx = @fields.index(:keywords)
      if not values[keyword_idx]
        values[keyword_idx] = "blocker+"
      else
        values[keyword_idx] = values[keyword_idx] + ",blocker+"
      end
    end
    # Check for blocker? flag and stub it as a keyword
    if not values[-1].nil? and values[-1].include?("blocker?")
      keyword_idx = @fields.index(:keywords)
      if not values[keyword_idx]
        values[keyword_idx] = "blocker?"
      else
        values[keyword_idx] = values[keyword_idx] + ",blocker?"
      end
    end

    # Remove flags, which is always the final value
    values = values[0...-2]
    retrieved << values
  end
  puts "Retrieved #{retrieved.length} rows"
  if retrieved.length > 0
    if options[:purge]
      # We know we have new data, so it is okay to nuke the old data
      puts "Purging old records"
      purge_records
    end
    puts "Loading new records"
    dbh.transaction
    retrieved.each do |values|
      dbh.execute("INSERT INTO #{@table} (#{table_fields}) VALUES (#{insert_frame})", values)
    end
    dbh.execute("UPDATE #{@table} SET Snapshot = date('now','localtime') WHERE Snapshot ISNULL")
    dbh.commit
  end
  return retrieved.length
end

#purge_records ⇒ Object 



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# File 'lib/shiftzilla/source.rb', line 94

def purge_records
  dbh.execute("DELETE FROM #{@table} WHERE Snapshot == date('now','localtime') OR Snapshot ISNULL")
end