Class: DNote::NotesCollection

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/dnote/notes_collection.rb

Overview

Notes Collection

This class contains a collection of Note objects and can group them in several ways.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(notes) ⇒ NotesCollection

Returns a new instance of NotesCollection.



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# File 'lib/dnote/notes_collection.rb', line 12

def initialize(notes)
  @notes = notes
end

Instance Attribute Details

#notes ⇒ Object (readonly)

Array of notes.



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# File 'lib/dnote/notes_collection.rb', line 17

def notes
  @notes
end

Instance Method Details

#by_file ⇒ Object

Organize notes into a hash with filename for keys.



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# File 'lib/dnote/notes_collection.rb', line 47

def by_file
  @by_file ||= notes.group_by(&:file)
end

#by_file_label ⇒ Object

Organize notes into a hash with filenames for keys, followed by a hash with labels for keys.



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# File 'lib/dnote/notes_collection.rb', line 59

def by_file_label
  @by_file_label ||= by_file.transform_values { |notes| notes.group_by(&:label) }
end

#by_label ⇒ Object

Organize notes into a hash with labels for keys.



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# File 'lib/dnote/notes_collection.rb', line 42

def by_label
  @by_label ||= notes.group_by(&:label)
end

#by_label_file ⇒ Object

Organize notes into a hash with labels for keys, followed by a hash with filename for keys.



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# File 'lib/dnote/notes_collection.rb', line 53

def by_label_file
  @by_label_file ||= by_label.transform_values { |notes| notes.group_by(&:file) }
end

#counts ⇒ Object

Notes counts by label.



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# File 'lib/dnote/notes_collection.rb', line 20

def counts
  @counts ||=
    begin
      h = {}
      by_label.each do |label, notes|
        h[label] = notes.size
      end
      h
    end
end

#each(&block) ⇒ Object

Iterate through notes.



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# File 'lib/dnote/notes_collection.rb', line 32

def each(&block)
  notes.each(&block)
end

#empty? ⇒ Boolean

No notes?

Returns:

  • (Boolean) 


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# File 'lib/dnote/notes_collection.rb', line 37

def empty?
  notes.empty?
end

#to_a ⇒ Object

Convert to an array of hashes.



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# File 'lib/dnote/notes_collection.rb', line 64

def to_a
  notes.map(&:to_h)
end

#to_h ⇒ Object

Same as #by_label.



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# File 'lib/dnote/notes_collection.rb', line 69

def to_h
  by_label
end