Class: Kashiwamochi::Sort

Inherits:
Object
  • Object
show all
Defined in:
lib/kashiwamochi/sort.rb

Constant Summary collapse

DIRS = 
{:asc => 'asc', :desc => 'desc'}.freeze

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(key, dir = nil) ⇒ Sort

Returns a new instance of Sort.



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# File 'lib/kashiwamochi/sort.rb', line 5

def initialize(key, dir = nil)
  self.key = key
  self.dir = dir
end

Class Method Details

.parse(value) ⇒ Object 



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# File 'lib/kashiwamochi/sort.rb', line 64

def self.parse(value)
  key, dir = sanitize(value).split(/\s+/, 2)
  new(key, dir)
end

.sanitize(value) ⇒ Object 



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# File 'lib/kashiwamochi/sort.rb', line 55

def self.sanitize(value)
  value = value.first if value.is_a?(Array)
  value.to_s.strip
end

.sanitize_dir(dir) ⇒ Object 



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# File 'lib/kashiwamochi/sort.rb', line 60

def self.sanitize_dir(dir)
  sanitize(dir).downcase != DIRS[:desc] ? DIRS[:asc] : DIRS[:desc]
end

Instance Method Details

#asc? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/kashiwamochi/sort.rb', line 35

def asc?
  @dir == DIRS[:asc]
end

#desc? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/kashiwamochi/sort.rb', line 39

def desc?
  @dir == DIRS[:desc]
end

#dir ⇒ Object 



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# File 'lib/kashiwamochi/sort.rb', line 18

def dir
  @dir
end

#dir=(value) ⇒ Object 



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# File 'lib/kashiwamochi/sort.rb', line 22

def dir=(value)
  @dir = Sort.sanitize_dir(value)
end

#inspect ⇒ Object 



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# File 'lib/kashiwamochi/sort.rb', line 51

def inspect
  "#<Sort #{key}: #{dir}>"
end

#key ⇒ Object 



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# File 'lib/kashiwamochi/sort.rb', line 10

def key
  @key
end

#key=(value) ⇒ Object 



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# File 'lib/kashiwamochi/sort.rb', line 14

def key=(value)
  @key = Sort.sanitize(value)
end

#to_query ⇒ Object 



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# File 'lib/kashiwamochi/sort.rb', line 47

def to_query
  "#{key} #{dir}"
end

#toggle ⇒ Object 



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# File 'lib/kashiwamochi/sort.rb', line 31

def toggle
  self.dup.toggle!
end

#toggle! ⇒ Object 



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# File 'lib/kashiwamochi/sort.rb', line 26

def toggle!
  @dir = asc? ? DIRS[:desc] : DIRS[:asc]
  self
end

#valid? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/kashiwamochi/sort.rb', line 43

def valid?
  !@key.empty?
end