Class: YinxSt::Batches

Inherits:
Object
  • Object
show all
Defined in:
lib/yinx_st/batches.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(n) ⇒ Batches

Returns a new instance of Batches.



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# File 'lib/yinx_st/batches.rb', line 8

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

Instance Attribute Details

#all_notes ⇒ Object (readonly)

Returns the value of attribute all_notes.



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# File 'lib/yinx_st/batches.rb', line 6

def all_notes
  @all_notes
end

#smallest_batch_size ⇒ Object (readonly)

Returns the value of attribute smallest_batch_size.



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# File 'lib/yinx_st/batches.rb', line 6

def smallest_batch_size
  @smallest_batch_size
end

Instance Method Details

#batches_of_each_note ⇒ Object 



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# File 'lib/yinx_st/batches.rb', line 27

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

#latest_id ⇒ Object 



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# File 'lib/yinx_st/batches.rb', line 35

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

#of_guid(guid) ⇒ Object 



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# File 'lib/yinx_st/batches.rb', line 23

def of_guid guid
  batches_of_each_note[guid]
end

#time_line ⇒ Object 



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# File 'lib/yinx_st/batches.rb', line 43

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

#unwind_tags ⇒ Object 



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# File 'lib/yinx_st/batches.rb', line 39

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