Contents

require 'yinx'
require 'yinx_sql/json_batch'

module YinxSt
  class Batches
    attr_reader :all_notes, :smallest_batch_size

    def initialize n
      batches = Yinx::SQL::JsonBatch.last(n)
      @smallest_batch_size = Float::INFINITY
      @all_notes = batches.each_with_object([]) do |b, rs|
        @smallest_batch_size = b.batch.size if b.batch.size < @smallest_batch_size
        b.batch.each_with_object(rs) do |h, rs|
          n = Yinx::NoteMeta.from_h h
          n.dump_id = b.id
          n.dump_at = (b.fixed_dump_date or b.created_at)
          n.batches = self
          rs << n
        end
      end
    end

    def of_guid guid
      batches_of_each_note[guid]
    end

    def batches_of_each_note
      @batches_of_each_note ||= Hash[
        all_notes.
          group_by(&:guid).
          map{|guid, versions| [guid, versions.sort{|v1, v2| v2.dump_id <=> v1.dump_id}]}
      ]
    end

    def latest_id
      @latest_id ||= @all_notes.max{|n1, n2| n1.dump_id <=> n2.dump_id}.dump_id
    end

    def unwind_tags
      @unwind_tags ||= all_notes.map{|note| note.unwind_tags}.flatten
    end

    def time_line
      @time_line ||= all_notes.map(&:dump_day).uniq.sort
    end

  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
yinx_st-0.1.5	lib/yinx_st/batches.rb